One of the warmer months.
August in context
How it compares to the rest of the year in Glasgow.
Typical rainfall for the year.
Around the yearly average.
Usually calmer than most months.
Near the middle of the yearly UV range.
Humidity stays close to the yearly norm.
Monthly climate breakdown
A detailed look at the typical climate conditions for August.
Thermal profile
Temperature
Typical daytime high
- Nighttime low
-
- Feels like (avg)
-
Light window
Sunshine
15 h
Average daylight
- UV index (max)
- 6
- Typical sun hours
- 04:50 - 19:50
Wet-day pattern
Rain & Snow
Typical rainfall
- Rainy days
- 20 days
- Cloud cover (avg)
- 74%
Air feel
Humidity & Wind
82%
Average humidity
- Wind (avg)
-
- Wind (max gusts)
-
Historical daily baseline
Daily climate explorer
Pick a day to inspect the usual conditions through August in Glasgow. 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 August. Temperature 17.2°C.
Historical disruption baseline
Typical disruptions in August
Based on 30 years of historical data, these are the disruption patterns most likely to affect plans in August.
Rain disruption Measures: Likely rain disruption days. Observed about 25% of days (7.6 days/month) in August. Historical risk signal only, not a day-by-day forecast.
Likely frequency
7.6 days / month
- Share of days
- ~25% of days
- Upper edge
- Up to ~22mm (P95)
Why this matters
Rain disruption risk appears on ~8 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Washout risk Measures: Washout day risk. Observed about 24% of days (7.5 days/month) in August. Historical risk signal only, not a day-by-day forecast.
Likely frequency
7.5 days / month
- Share of days
- ~24% of days
- Upper edge
- Up to ~22mm (P95)
Why this matters
Washout conditions are possible on ~7 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 10% of days (3.1 days/month) in August. 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 ~31mm (P95)
Why this matters
Heavy rain is possible on ~3 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Strong gusts Measures: Strong gust days (>=60 km/h). Observed about 5% of days (1.5 days/month) in August. Historical risk signal only, not a day-by-day forecast.
Likely frequency
1.5 days / month
- Share of days
- ~5% of days
- Upper edge
- Up to ~76km/h (P95)
Why this matters
Strong gusts are possible on ~2 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Stormy conditions Measures: Storm-impact proxy days. Observed about 4% of days (1.2 days/month) in August. Historical risk signal only, not a day-by-day forecast.
Likely frequency
1.2 days / month
- Share of days
- ~4% of days
- Upper edge
- Up to ~71km/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 6% of days (2.0 days/month) in August. Historical risk signal only, not a day-by-day forecast.
Likely frequency
2.0 days / month
- Share of days
- ~6% of days
- Upper edge
- Up to ~97% (P95)
Why this matters
Fog-likely conditions are possible on ~2 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Show all disruptions (13 more)
Washout run Measures: Multi-day washout runs. Observed about 1.8 days/month in August. Historical risk signal only, not a day-by-day forecast.
Likely frequency
1.8 days / month
- Share of days
- —
- Upper edge
- Up to ~24mm (P95)
Why this matters
Multi-day washout runs are possible on ~2 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Very heavy rain Measures: Very heavy rain days (>=25mm). Observed about 1% of days (0.2 days/month) in August. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.2 days / month
- Share of days
- ~1% of days
- Upper edge
- Up to ~54mm (P95)
Why this matters
Very heavy rain is possible on ~0 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Cold feels-like nights Measures: Cold feels-like nights (min <=5C). Observed about 5% of days (1.5 days/month) in August. Historical risk signal only, not a day-by-day forecast.
Likely frequency
1.5 days / month
- Share of days
- ~5% of days
- Upper edge
- Up to ~5°C (P95)
Why this matters
Cold feels-like nights are possible on ~1 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
Cloudy days Measures: Cloudy days (cloud cover >=60%). Observed about 78% of days (24.1 days/month) in August. Historical risk signal only, not a day-by-day forecast.
Likely frequency
24.1 days / month
- Share of days
- ~78% 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.
Wet days Measures: Wet days (>=0.1mm). Observed about 75% of days (23.1 days/month) in August. Historical risk signal only, not a day-by-day forecast.
Likely frequency
23.1 days / month
- Share of days
- ~75% of days
- Upper edge
- Up to ~16mm (P95)
Why this matters
Measurable rain is possible on ~23 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
High humidity Measures: High humidity days (RH >=80%). Observed about 71% of days (21.9 days/month) in August. Historical risk signal only, not a day-by-day forecast.
Likely frequency
21.9 days / month
- Share of days
- ~71% of days
- Upper edge
- Up to ~92% (P95)
Why this matters
High humidity is possible on ~22 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 63% of days (19.7 days/month) in August. Historical risk signal only, not a day-by-day forecast.
Likely frequency
19.7 days / month
- Share of days
- ~63% of days
- Upper edge
- Up to ~20h (P95)
Why this matters
Several rainy hours are possible on ~20 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Wet most of day Measures: Wet-most-of-day signal (>=6h rain). Observed about 48% of days (14.9 days/month) in August. Historical risk signal only, not a day-by-day forecast.
Likely frequency
14.9 days / month
- Share of days
- ~48% of days
- Upper edge
- Up to ~21h (P95)
Why this matters
Wet-most-of-day conditions are possible on ~15 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 46% of days (14.3 days/month) in August. Historical risk signal only, not a day-by-day forecast.
Likely frequency
14.3 days / month
- Share of days
- ~46% of days
- Upper edge
- Up to ~100% (P95)
Why this matters
Mostly cloudy skies are possible on ~14 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Gusty days Measures: Gusty days (>=40 km/h). Observed about 40% of days (12.5 days/month) in August. Historical risk signal only, not a day-by-day forecast.
Likely frequency
12.5 days / month
- Share of days
- ~40% of days
- Upper edge
- Up to ~66km/h (P95)
Why this matters
Gusty conditions are possible on ~13 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Overcast days Measures: Overcast days (cloud cover >=95%). Observed about 15% of days (4.8 days/month) in August. Historical risk signal only, not a day-by-day forecast.
Likely frequency
4.8 days / month
- Share of days
- ~15% of days
- Upper edge
- Up to ~100% (P95)
Why this matters
Overcast skies are possible on ~5 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
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 6% of days (2.0 days/month) in August. Historical risk signal only, not a day-by-day forecast.
Likely frequency
2.0 days / month
- Share of days
- ~6% of days
- Upper edge
- Up to ~97 (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 ~2 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Breezy days Measures: Breezy days (mean wind >=25 km/h). Observed about 1% of days (0.3 days/month) in August. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.3 days / month
- Share of days
- ~1% of days
- Upper edge
- Up to ~31km/h (P95)
Why this matters
Breezy conditions are possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Travel planning FAQ
Frequently asked questions
Quick answers to the weather questions you ask the most.
Is August a good time to visit Glasgow?
Typical August days in Glasgow reach highs of 17°C (63°F) with nights around 11°C (52°F). It usually feels mild by day and cool after dark. Overall, August sits in the middle of the Glasgow climate range.
What are temperatures like in August?
In August, you can usually expect highs of 17°C (63°F) and lows near 11°C (52°F). That means mild days and cool nights, so pack layers you can add or remove.
How much does it rain in August?
Rainfall in August averages 108 mm (4.3 in) across roughly 20 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 August?
You can expect about 15 hours of daylight in August. Sunrise is typically around 04:50 and sunset near 19:50. Very long days give you plenty of daylight for exploring.
How strong is the sun in August?
UV levels are moderate (around 6); sunscreen and sunglasses are still a good idea.
Is it windy in August?
In August, average wind speeds are around 12 km/h (7 mph), with gusts on the windiest days reaching about 55 km/h (34 mph). On the ground, it is it can feel quite windy at times, particularly when weather systems move through.