Climate averages 1991–2020
Kamisu weather
in May.
A mild, wet month: the 6th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Kamisu: daytime highs average 20.4°C and nights cool to about 14.8°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 145 mm of rain on roughly 12 days, which makes May a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 03 min on an average May day.
The nearest other city in this atlas is Katori-shi (15 km away). In May its highs average 21.3°C, 0.9°C warmer than Kamisu, with 136 mm of rain.
Among the 303 cities listed in Japan, Kamisu ranks joint 242nd of 303 for the warmest May highs and joint 163rd of 303 for the driest May (rainfall, lowest first). The mean May high of those 303 cities is 21.3°C; Kamisu is 0.9°C cooler than that mean.
From May to June, average highs rise by 2.7°C to 23.1°C, and monthly rainfall rises from 145 mm to 164 mm.
The annual picture
May 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
Kamisu climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.8°C3.2°C | 3.2°C | 89 | 9.3 | 10.010 h |
| February | 9.2°C3.2°C | 3.2°C | 85 | 9.3 | 10.911 h |
| March | 12.1°C5.9°C | 5.9°C | 142 | 13.0 | 11.912 h |
| April | 16.4°C10.2°C | 10.2°C | 126 | 12.5 | 13.113 h |
| May, selected | 20.4°C14.8°C | 14.8°C | 145 | 12.2 | 14.014 h |
| June | 23.1°C18.4°C | 18.4°C | 164 | 13.1 | 14.515 h |
| July | 26.7°C22.1°C | 22.1°C | 140 | 12.0 | 14.314 h |
| August | 28.3°C23.7°C | 23.7°C | 90 | 9.2 | 13.514 h |
| September | 25.3°C21.3°C | 21.3°C | 174 | 13.6 | 12.412 h |
| October | 20.6°C16.5°C | 16.5°C | 232 | 13.9 | 11.311 h |
| November | 16.1°C11.2°C | 11.2°C | 121 | 11.5 | 10.310 h |
| December | 11.3°C6.0°C | 6.0°C | 86 | 10.2 | 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
May in nearby cities
- Katori-shi in MayJapan · 15 kmHigh 21.3°C · Low 14.4°C · 136 mm rain
- Narita in MayJapan · 34 kmHigh 22.1°C · Low 14.0°C · 128 mm rain
- Ryūgasaki in MayJapan · 44 kmHigh 22.3°C · Low 13.7°C · 129 mm rain
- Sakura in MayJapan · 44 kmHigh 21.8°C · Low 14.4°C · 128 mm rain
- Inzai in MayJapan · 46 kmHigh 22.0°C · Low 14.0°C · 128 mm rain
- Tsuchiura in MayJapan · 46 kmHigh 22.2°C · Low 13.6°C · 129 mm rain
- Ishioka in MayJapan · 48 kmHigh 21.8°C · Low 13.5°C · 140 mm rain
- Ushiku in MayJapan · 49 kmHigh 22.2°C · Low 13.5°C · 129 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 Kamisu) is explained once on the Kamisu year overview and on the Sources, method and limits page.