Sits around the middle of the year.
May in context
How it compares to the rest of the year in Guilin.
Among the wetter months.
Long daylight hours.
Close to the yearly wind average.
UV runs high compared with most months.
Humidity sits on the higher side.
Monthly climate breakdown
A detailed look at the typical climate conditions for May.
Thermal profile
Temperature
Typical daytime high
- Nighttime low
-
- Feels like (avg)
-
Light window
Sunshine
13.4 h
Average daylight
- UV index (max)
- 9
- Typical sun hours
- 05:53 - 19:16
Wet-day pattern
Rain & Snow
Typical rainfall
- Rainy days
- 23 days
- Cloud cover (avg)
- 76%
Air feel
Humidity & Wind
83%
Average humidity
- Wind (avg)
-
- Wind (max gusts)
-
Historical daily baseline
Daily climate explorer
Pick a day to inspect the usual conditions through May in Guilin. Based on a 30-year historical climate baseline, not a forecast.
Primary control
Select a day
Scroll to compare daily conditions. The summary updates with your selection.
Secondary context
Monthly trend
Median daytime highs across the month, with a softer low line.
Day 15 selected for May. Temperature 27.1°C.
Historical disruption baseline
Typical disruptions in May
Based on 30 years of historical data, these are the disruption patterns most likely to affect plans in May.
Muggy days Measures: Muggy days (dew point >=20C). Observed about 55% of days (17.0 days/month) in May. Historical risk signal only, not a day-by-day forecast.
Likely frequency
17.0 days / month
- Share of days
- ~55% of days
- Upper edge
- Up to ~24°C (P95)
Why this matters
Muggy conditions are possible on ~17 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Rain disruption Measures: Likely rain disruption days. Observed about 53% of days (16.4 days/month) in May. Historical risk signal only, not a day-by-day forecast.
Likely frequency
16.4 days / month
- Share of days
- ~53% of days
- Upper edge
- Up to ~51mm (P95)
Why this matters
Rain disruption risk appears on ~16 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Washout risk Measures: Washout day risk. Observed about 52% of days (16.3 days/month) in May. Historical risk signal only, not a day-by-day forecast.
Likely frequency
16.3 days / month
- Share of days
- ~52% of days
- Upper edge
- Up to ~51mm (P95)
Why this matters
Washout conditions are possible on ~16 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Heavy rain days Measures: Heavy rain days (>=10mm). Observed about 38% of days (11.7 days/month) in May. Historical risk signal only, not a day-by-day forecast.
Likely frequency
11.7 days / month
- Share of days
- ~38% of days
- Upper edge
- Up to ~61mm (P95)
Why this matters
Heavy rain is possible on ~12 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Hot feels-like days Measures: Hot feels-like days (>=32C). Observed about 37% of days (11.4 days/month) in May. Historical risk signal only, not a day-by-day forecast.
Likely frequency
11.4 days / month
- Share of days
- ~37% of days
- Upper edge
- Up to ~37°C (P95)
Why this matters
Feels-like heat >=32C is possible on ~11 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Very hot feels-like Measures: Very hot feels-like days (>=35C). Observed about 10% of days (3.2 days/month) in May. Historical risk signal only, not a day-by-day forecast.
Likely frequency
3.2 days / month
- Share of days
- ~10% of days
- Upper edge
- Up to ~38°C (P95)
Why this matters
Very hot feels-like conditions are possible on ~3 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Show all disruptions (22 more)
Very heavy rain Measures: Very heavy rain days (>=25mm). Observed about 15% of days (4.7 days/month) in May. Historical risk signal only, not a day-by-day forecast.
Likely frequency
4.7 days / month
- Share of days
- ~15% of days
- Upper edge
- Up to ~77mm (P95)
Why this matters
Very heavy rain is possible on ~5 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Washout run Measures: Multi-day washout runs. Observed about 3.8 days/month in May. Historical risk signal only, not a day-by-day forecast.
Likely frequency
3.8 days / month
- Share of days
- —
- Upper edge
- Up to ~53mm (P95)
Why this matters
Multi-day washout runs are possible on ~4 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Extreme rain Measures: Extreme rain days (>=50mm). Observed about 3% of days (0.9 days/month) in May. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.9 days / month
- Share of days
- ~3% of days
- Upper edge
- Up to ~103mm (P95)
Why this matters
Extreme rain is possible on ~1 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Stormy conditions Measures: Storm-impact proxy days. Observed about 3% of days (0.9 days/month) in May. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.9 days / month
- Share of days
- ~3% of days
- Upper edge
- Up to ~61km/h (P95)
Why this matters
Stormy conditions are possible on ~1 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Fog-likely signal Measures: Fog-likely visibility proxy. Observed about 14% of days (4.4 days/month) in May. Historical risk signal only, not a day-by-day forecast.
Likely frequency
4.4 days / month
- Share of days
- ~14% of days
- Upper edge
- Up to ~96% (P95)
Why this matters
Fog-likely conditions are possible on ~4 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Heat stress risk Measures: High heat stress days. Observed about 10% of days (3.1 days/month) in May. Historical risk signal only, not a day-by-day forecast.
Likely frequency
3.1 days / month
- Share of days
- ~10% of days
- Upper edge
- Up to ~38°C (P95)
Why this matters
Heat stress is possible on ~3 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Hot days Measures: Hot days (>=30C). Observed about 10% of days (3.1 days/month) in May. Historical risk signal only, not a day-by-day forecast.
Likely frequency
3.1 days / month
- Share of days
- ~10% of days
- Upper edge
- Up to ~32°C (P95)
Why this matters
Hot days are possible on ~3 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Feels-like heatwave Measures: Feels-like heatwave runs (>=3 days). Observed about 1.7 days/month in May. Historical risk signal only, not a day-by-day forecast.
Likely frequency
1.7 days / month
- Share of days
- —
- Upper edge
- Up to ~36°C (P95)
Why this matters
Feels-like heatwave runs are possible on ~2 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Wet days Measures: Wet days (>=0.1mm). Observed about 79% of days (24.4 days/month) in May. Historical risk signal only, not a day-by-day forecast.
Likely frequency
24.4 days / month
- Share of days
- ~79% of days
- Upper edge
- Up to ~47mm (P95)
Why this matters
Measurable rain is possible on ~24 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Cloudy days Measures: Cloudy days (cloud cover >=60%). Observed about 77% of days (23.8 days/month) in May. Historical risk signal only, not a day-by-day forecast.
Likely frequency
23.8 days / month
- Share of days
- ~77% of days
- Upper edge
- Up to ~100% (P95)
Why this matters
Cloudy skies are possible on ~24 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Humid days Measures: Humid days (dew point >=18C). Observed about 73% of days (22.7 days/month) in May. Historical risk signal only, not a day-by-day forecast.
Likely frequency
22.7 days / month
- Share of days
- ~73% of days
- Upper edge
- Up to ~24°C (P95)
Why this matters
Humid conditions are possible on ~23 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.
Rainy hours Measures: Rain-hours signal (>=3h rain). Observed about 72% of days (22.4 days/month) in May. Historical risk signal only, not a day-by-day forecast.
Likely frequency
22.4 days / month
- Share of days
- ~72% of days
- Upper edge
- Up to ~24h (P95)
Why this matters
Several rainy hours are possible on ~22 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
High humidity Measures: High humidity days (RH >=80%). Observed about 67% of days (20.8 days/month) in May. Historical risk signal only, not a day-by-day forecast.
Likely frequency
20.8 days / month
- Share of days
- ~67% of days
- Upper edge
- Up to ~94% (P95)
Why this matters
High humidity is possible on ~21 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.
Wet most of day Measures: Wet-most-of-day signal (>=6h rain). Observed about 65% of days (20.1 days/month) in May. Historical risk signal only, not a day-by-day forecast.
Likely frequency
20.1 days / month
- Share of days
- ~65% of days
- Upper edge
- Up to ~24h (P95)
Why this matters
Wet-most-of-day conditions are possible on ~20 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Mostly cloudy days Measures: Mostly cloudy days (cloud cover >=80%). Observed about 59% of days (18.2 days/month) in May. Historical risk signal only, not a day-by-day forecast.
Likely frequency
18.2 days / month
- Share of days
- ~59% of days
- Upper edge
- Up to ~100% (P95)
Why this matters
Mostly cloudy skies are possible on ~18 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Convective risk Measures: Convective storm risk proxy. Observed about 46% of days (14.2 days/month) in May. Historical risk signal only, not a day-by-day forecast.
Likely frequency
14.2 days / month
- Share of days
- ~46% of days
- Upper edge
- Up to ~24°C (P95)
Why this matters
Convective risk signal appears on ~14 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Overcast days Measures: Overcast days (cloud cover >=95%). Observed about 29% of days (9.1 days/month) in May. Historical risk signal only, not a day-by-day forecast.
Likely frequency
9.1 days / month
- Share of days
- ~29% of days
- Upper edge
- Up to ~100% (P95)
Why this matters
Overcast skies are possible on ~9 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Warm nights Measures: Warm nights (min >=22C). Observed about 25% of days (7.9 days/month) in May. Historical risk signal only, not a day-by-day forecast.
Likely frequency
7.9 days / month
- Share of days
- ~25% of days
- Upper edge
- Up to ~24°C (P95)
Why this matters
Warm nights are possible on ~8 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Gusty days Measures: Gusty days (>=40 km/h). Observed about 21% of days (6.4 days/month) in May. Historical risk signal only, not a day-by-day forecast.
Likely frequency
6.4 days / month
- Share of days
- ~21% of days
- Upper edge
- Up to ~56km/h (P95)
Why this matters
Gusty conditions are possible on ~6 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data Measures: Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data. Observed about 14% of days (4.4 days/month) in May. Historical risk signal only, not a day-by-day forecast.
Likely frequency
4.4 days / month
- Share of days
- ~14% of days
- Upper edge
- Up to ~96 (P95)
Why this matters
Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data is possible on ~4 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Oppressive humidity Measures: Oppressive humidity days (dew point >=24C). Observed about 2% of days (0.7 days/month) in May. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.7 days / month
- Share of days
- ~2% of days
- Upper edge
- Up to ~25°C (P95)
Why this matters
Oppressive humidity is possible on ~1 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Heatwave run Measures: Heatwave runs (>=3 hot days). Observed about 0.3 days/month in May. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.3 days / month
- Share of days
- —
- Upper edge
- Up to ~33°C (P95)
Why this matters
Heatwave runs are possible on ~0 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Travel planning FAQ
Frequently asked questions
Quick answers to the weather questions you ask the most.
Is May a good time to visit Guilin?
Typical May days in Guilin reach highs of 27°C (81°F) with nights around 20°C (68°F). It usually feels warm by day and mild after dark. It is among the wetter months, so it is wise to have some indoor backup plans or flexible activities.
What are temperatures like in May?
In May, you can usually expect highs of 27°C (81°F) and lows near 20°C (68°F). That means warm days and mild nights, so pack layers you can add or remove.
How much does it rain in May?
Rainfall in May averages 364 mm (14.3 in) across roughly 23 days. Overall it is a very wet time of year, so a light rain jacket and waterproof shoes are very handy.
How many hours of daylight are there in May?
You can expect about 13 hours of daylight in May. Sunrise is typically around 05:53 and sunset near 19:16. You get long days with comfortable amounts of daylight.
How strong is the sun in May?
UV levels frequently reach very high levels (around 9), so strong sun protection is essential, especially around midday.
Is it windy in May?
In May, average wind speeds are around 7 km/h (4 mph), with gusts on the windiest days reaching about 45 km/h (28 mph). On the ground, it is it often feels breezy, especially in more exposed spots or along the coast.