Climate averages 1991–2020
Yokosuka weather
in June.
A warm, very wet month: the 4th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a warm month in Yokosuka: daytime highs average 22.6°C and nights cool to about 19.2°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 182 mm of rain on roughly 13 days, which makes June a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 30 min on an average June day.
The nearest other city in this atlas is Yokohama (17 km away). In June its highs average 22.8°C, about as warm as Yokosuka, with 164 mm of rain.
Among the 303 cities listed in Japan, Yokosuka ranks joint 268th of 303 for the warmest June highs and joint 142nd of 303 for the driest June (rainfall, lowest first). The mean June high of those 303 cities is 24.4°C; Yokosuka is 1.8°C cooler than that mean.
From June to July, average highs rise by 3.2°C to 25.8°C, and monthly rainfall falls from 182 mm to 147 mm.
The annual picture
June 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, selected | 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 | 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
June in nearby cities
- Yokohama in JuneJapan · 17 kmHigh 22.8°C · Low 18.6°C · 164 mm rain
- Fujisawa in JuneJapan · 19 kmHigh 22.5°C · Low 18.7°C · 204 mm rain
- Chigasaki in JuneJapan · 25 kmHigh 22.5°C · Low 18.5°C · 204 mm rain
- Kisarazu in JuneJapan · 26 kmHigh 24.0°C · Low 18.8°C · 189 mm rain
- Kawasaki in JuneJapan · 27 kmHigh 24.0°C · Low 18.8°C · 164 mm rain
- Hiratsuka in JuneJapan · 30 kmHigh 22.7°C · Low 18.2°C · 231 mm rain
- Minamirinkan in JuneJapan · 31 kmHigh 23.1°C · Low 17.5°C · 175 mm rain
- Ōta in JuneJapan · 31 kmHigh 24.2°C · Low 18.5°C · 164 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.