Sits around the middle of the year.
October in context
How it compares to the rest of the year in Tokyo.
The wettest month of the year.
Around the yearly average.
Close to the yearly wind average.
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 October.
Thermal profile
Temperature
Typical daytime high
- Nighttime low
-
- Feels like (avg)
-
Light window
Sunshine
11.3 h
Average daylight
- UV index (max)
- 6
- Typical sun hours
- 05:48 - 17:05
Wet-day pattern
Rain & Snow
Typical rainfall
- Rainy days
- 15 days
- Cloud cover (avg)
- 62%
Air feel
Humidity & Wind
79%
Average humidity
- Wind (avg)
-
- Wind (max gusts)
-
Historical daily baseline
Daily climate explorer
Pick a day to inspect the usual conditions through October in Tokyo. 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 October. Temperature 21.0°C.
Historical disruption baseline
Typical disruptions in October
Based on 30 years of historical data, these are the disruption patterns most likely to affect plans in October.
Rain disruption Measures: Likely rain disruption days. Observed about 24% of days (7.3 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
7.3 days / month
- Share of days
- ~24% of days
- Upper edge
- Up to ~82mm (P95)
Why this matters
Rain disruption risk appears on ~7 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Washout risk Measures: Washout day risk. Observed about 22% of days (6.9 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
6.9 days / month
- Share of days
- ~22% of days
- Upper edge
- Up to ~83mm (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 16% of days (4.9 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
4.9 days / month
- Share of days
- ~16% of days
- Upper edge
- Up to ~100mm (P95)
Why this matters
Heavy rain is possible on ~5 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 4% of days (1.4 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
1.4 days / month
- Share of days
- ~4% of days
- Upper edge
- Up to ~120km/h (P95)
Why this matters
Strong gusts are possible on ~1 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 October. 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 ~125km/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.
Severe gusts Measures: Severe gust days (>=80 km/h). Observed about 2% of days (0.5 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.5 days / month
- Share of days
- ~2% of days
- Upper edge
- Up to ~156km/h (P95)
Why this matters
Severe gusts are possible on ~1 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Show all disruptions (21 more)
Very heavy rain Measures: Very heavy rain days (>=25mm). Observed about 7% of days (2.1 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
2.1 days / month
- Share of days
- ~7% of days
- Upper edge
- Up to ~117mm (P95)
Why this matters
Very heavy rain is possible on ~2 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 1.6 days/month in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
1.6 days / month
- Share of days
- —
- Upper edge
- Up to ~127mm (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.
Extreme rain Measures: Extreme rain days (>=50mm). Observed about 3% of days (0.8 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.8 days / month
- Share of days
- ~3% of days
- Upper edge
- Up to ~134mm (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.
Wind disruption Measures: Disruptive wind days. Observed about 1% of days (0.2 days/month) in October. 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 ~158km/h (P95)
Why this matters
Disruptive wind is possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Muggy days Measures: Muggy days (dew point >=20C). Observed about 3% of days (1.0 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
1.0 days / month
- Share of days
- ~3% of days
- Upper edge
- Up to ~22°C (P95)
Why this matters
Muggy conditions are possible on ~1 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Cold feels-like nights Measures: Cold feels-like nights (min <=5C). Observed about 3% of days (0.8 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.8 days / month
- Share of days
- ~3% 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.
Hot feels-like days Measures: Hot feels-like days (>=32C). Observed about 1% of days (0.2 days/month) in October. 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 ~34°C (P95)
Why this matters
Feels-like heat >=32C is possible on ~0 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Wet days Measures: Wet days (>=0.1mm). Observed about 57% of days (17.7 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
17.7 days / month
- Share of days
- ~57% of days
- Upper edge
- Up to ~46mm (P95)
Why this matters
Measurable rain is possible on ~18 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Cloudy days Measures: Cloudy days (cloud cover >=60%). Observed about 56% of days (17.3 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
17.3 days / month
- Share of days
- ~56% of days
- Upper edge
- Up to ~100% (P95)
Why this matters
Cloudy skies are possible on ~17 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
High humidity Measures: High humidity days (RH >=80%). Observed about 51% of days (15.9 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
15.9 days / month
- Share of days
- ~51% of days
- Upper edge
- Up to ~90% (P95)
Why this matters
High humidity is possible on ~16 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 46% of days (14.4 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
14.4 days / month
- Share of days
- ~46% of days
- Upper edge
- Up to ~23h (P95)
Why this matters
Several rainy hours are possible on ~14 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 37% of days (11.5 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
11.5 days / month
- Share of days
- ~37% of days
- Upper edge
- Up to ~100% (P95)
Why this matters
Mostly cloudy skies are possible on ~11 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Wet most of day Measures: Wet-most-of-day signal (>=6h rain). Observed about 32% of days (9.9 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
9.9 days / month
- Share of days
- ~32% of days
- Upper edge
- Up to ~24h (P95)
Why this matters
Wet-most-of-day conditions are possible on ~10 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Overcast days Measures: Overcast days (cloud cover >=95%). Observed about 19% of days (5.9 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
5.9 days / month
- Share of days
- ~19% of days
- Upper edge
- Up to ~100% (P95)
Why this matters
Overcast skies are possible on ~6 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Gusty days Measures: Gusty days (>=40 km/h). Observed about 19% of days (5.9 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
5.9 days / month
- Share of days
- ~19% of days
- Upper edge
- Up to ~93km/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.
Humid days Measures: Humid days (dew point >=18C). Observed about 10% of days (3.2 days/month) in October. 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 ~21°C (P95)
Why this matters
Humid conditions are possible on ~3 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.
Breezy days Measures: Breezy days (mean wind >=25 km/h). Observed about 3% of days (1.0 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
1.0 days / month
- Share of days
- ~3% of days
- Upper edge
- Up to ~38km/h (P95)
Why this matters
Breezy conditions are possible on ~1 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Convective risk Measures: Convective storm risk proxy. Observed about 3% of days (0.8 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.8 days / month
- Share of days
- ~3% of days
- Upper edge
- Up to ~21°C (P95)
Why this matters
Convective risk signal appears on ~1 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Fog-likely signal Measures: Fog-likely visibility proxy. Observed about 2% of days (0.8 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.8 days / month
- Share of days
- ~2% of days
- Upper edge
- Up to ~94% (P95)
Why this matters
Fog-likely conditions are possible on ~1 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 2% of days (0.8 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.8 days / month
- Share of days
- ~2% of days
- Upper edge
- Up to ~94 (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 ~1 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Windy days Measures: Windy days (mean wind >=35 km/h). Observed about 1% of days (0.2 days/month) in October. 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 ~43km/h (P95)
Why this matters
Strong mean winds 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 October a good time to visit Tokyo?
Typical October days in Tokyo reach highs of 21°C (70°F) with nights around 14°C (57°F). It usually feels mild by day and cool 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 October?
Daytime temperatures in October typically peak near 21°C (70°F), while nights drop to around 14°C (57°F). Expect mild afternoons and cool evenings.
How much does it rain in October?
Rainfall in October averages 189 mm (7.4 in) across roughly 15 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 October?
You can expect about 11 hours of daylight in October. Sunrise is typically around 05:48 and sunset near 17:05. Daylight is fairly typical, with enough time for sightseeing.
How strong is the sun in October?
UV levels are often high (around 6). Regular sunscreen and a hat are recommended.
Is it windy in October?
In October, average wind speeds are around 12 km/h (7 mph), with gusts on the windiest days reaching about 49 km/h (30 mph). On the ground, it is it often feels breezy, especially in more exposed spots or along the coast.