Climate averages 1991–2020
Yokosuka weather
in October.
A mild, very wet month: the 5th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a mild month in Yokosuka: daytime highs average 20.6°C and nights cool to about 16.8°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 222 mm of rain on roughly 13 days, which makes October a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 19 min on an average October day.
The nearest other city in this atlas is Yokohama (17 km away). In October its highs average 20.2°C, about as warm as Yokosuka, with 210 mm of rain.
Among the 303 cities listed in Japan, Yokosuka ranks joint 168th of 303 for the warmest October highs and 268th of 303 for the driest October (rainfall, lowest first). The mean October high of those 303 cities is 20.4°C; Yokosuka is 0.2°C warmer than that mean.
From October to November, average highs fall by 4.4°C to 16.2°C, and monthly rainfall falls from 222 mm to 115 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Yokosuka climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.2°C4.3°C | 4.3°C | 81 | 7.4 | 10.110 h |
| February | 9.6°C4.3°C | 4.3°C | 84 | 8.6 | 10.911 h |
| March | 12.3°C6.9°C | 6.9°C | 144 | 13.0 | 11.912 h |
| April | 16.1°C11.3°C | 11.3°C | 126 | 11.6 | 13.113 h |
| May | 19.8°C15.7°C | 15.7°C | 138 | 10.9 | 14.014 h |
| June | 22.6°C19.2°C | 19.2°C | 182 | 12.9 | 14.514 h |
| July | 25.8°C22.8°C | 22.8°C | 147 | 11.5 | 14.314 h |
| August | 27.4°C24.3°C | 24.3°C | 107 | 9.8 | 13.513 h |
| September | 25.1°C21.7°C | 21.7°C | 185 | 13.2 | 12.412 h |
| October, selected | 20.6°C16.8°C | 16.8°C | 222 | 12.7 | 11.311 h |
| November | 16.2°C11.8°C | 11.8°C | 115 | 10.7 | 10.310 h |
| December | 11.7°C7.0°C | 7.0°C | 73 | 8.5 | 9.810 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Yokohama in OctoberJapan · 17 kmHigh 20.2°C · Low 15.7°C · 210 mm rain
- Fujisawa in OctoberJapan · 19 kmHigh 20.3°C · Low 16.1°C · 244 mm rain
- Chigasaki in OctoberJapan · 25 kmHigh 20.3°C · Low 16.0°C · 244 mm rain
- Kisarazu in OctoberJapan · 26 kmHigh 21.1°C · Low 16.2°C · 251 mm rain
- Kawasaki in OctoberJapan · 27 kmHigh 20.8°C · Low 15.3°C · 210 mm rain
- Hiratsuka in OctoberJapan · 30 kmHigh 20.1°C · Low 15.6°C · 267 mm rain
- Minamirinkan in OctoberJapan · 31 kmHigh 19.7°C · Low 13.9°C · 211 mm rain
- Ōta in OctoberJapan · 31 kmHigh 20.7°C · Low 14.9°C · 210 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Yokosuka) is explained once on the Yokosuka year overview and on the Sources, method and limits page.