Climate averages 1991–2020
Kasama, Japan weather
in June.
A warm, wet month: the 4th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a warm month in Kasama, Japan: daytime highs average 23.3°C and nights cool to about 16.1°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 152 mm of rain on roughly 15 days, which makes June a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 36 min on an average June day.
The nearest other city in this atlas is Mito (17 km away). In June its highs average 23.4°C, about as warm as Kasama, Japan, with 159 mm of rain.
Among the 303 cities listed in Japan, Kasama, Japan ranks joint 247th of 303 for the warmest June highs and joint 55th of 303 for the driest June (rainfall, lowest first). The mean June high of those 303 cities is 24.4°C; Kasama, Japan is 1.1°C cooler than that mean.
From June to July, average highs rise by 3.6°C to 26.9°C, and monthly rainfall rises from 152 mm to 184 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
Kasama, Japan climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 6.6°C-1.6°C | -1.6°C | 56 | 6.7 | 10.010 h |
| February | 7.6°C-1.1°C | -1.1°C | 58 | 7.4 | 10.811 h |
| March | 11.1°C1.8°C | 1.8°C | 107 | 12.1 | 11.912 h |
| April | 16.2°C6.6°C | 6.6°C | 117 | 12.1 | 13.113 h |
| May | 20.6°C11.8°C | 11.8°C | 142 | 12.6 | 14.114 h |
| June, selected | 23.3°C16.1°C | 16.1°C | 152 | 15.3 | 14.615 h |
| July | 26.9°C20.3°C | 20.3°C | 184 | 17.2 | 14.414 h |
| August | 28.2°C21.7°C | 21.7°C | 136 | 15.0 | 13.514 h |
| September | 24.6°C18.5°C | 18.5°C | 174 | 14.8 | 12.412 h |
| October | 19.4°C12.8°C | 12.8°C | 179 | 12.4 | 11.311 h |
| November | 14.2°C6.6°C | 6.6°C | 88 | 8.5 | 10.310 h |
| December | 9.0°C1.0°C | 1.0°C | 56 | 7.3 | 9.710 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
- Mito in JuneJapan · 17 kmHigh 23.4°C · Low 17.0°C · 159 mm rain
- Ishioka in JuneJapan · 22 kmHigh 24.4°C · Low 17.6°C · 152 mm rain
- Mooka in JuneJapan · 23 kmHigh 24.9°C · Low 16.6°C · 144 mm rain
- Hitachi-Naka in JuneJapan · 24 kmHigh 22.4°C · Low 17.1°C · 151 mm rain
- Chikusei in JuneJapan · 27 kmHigh 25.1°C · Low 17.2°C · 147 mm rain
- Tsuchiura in JuneJapan · 33 kmHigh 24.9°C · Low 17.7°C · 150 mm rain
- Tsukuba in JuneJapan · 36 kmHigh 24.9°C · Low 17.5°C · 154 mm rain
- Utsunomiya in JuneJapan · 40 kmHigh 23.7°C · Low 15.6°C · 144 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 Kasama) is explained once on the Kasama, Japan year overview and on the Sources, method and limits page.