Climate averages 1991–2020
Ishioka weather
in July.
A hot, wet month: the 2nd warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a hot month in Ishioka: daytime highs average 28.1°C and nights cool to about 21.6°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 171 mm of rain on roughly 16 days, which makes July a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 22 min on an average July day.
The nearest other city in this atlas is Tsuchiura (11 km away). In July its highs average 28.6°C, about as warm as Ishioka, with 158 mm of rain.
Among the 303 cities listed in Japan, Ishioka ranks joint 168th of 303 for the warmest July highs and joint 76th of 303 for the driest July (rainfall, lowest first). The mean July high of those 303 cities is 27.9°C; Ishioka is 0.3°C warmer than that mean.
From July to August, average highs rise by 1.3°C to 29.5°C, and monthly rainfall falls from 171 mm to 127 mm.
The annual picture
July 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
Ishioka climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.9°C-0.1°C | -0.1°C | 61 | 6.7 | 10.010 h |
| February | 8.9°C0.4°C | 0.4°C | 62 | 7.4 | 10.811 h |
| March | 12.3°C3.4°C | 3.4°C | 110 | 12.4 | 11.912 h |
| April | 17.4°C8.4°C | 8.4°C | 114 | 11.9 | 13.113 h |
| May | 21.8°C13.5°C | 13.5°C | 140 | 12.5 | 14.114 h |
| June | 24.4°C17.6°C | 17.6°C | 152 | 14.9 | 14.615 h |
| July, selected | 28.1°C21.6°C | 21.6°C | 171 | 16.1 | 14.414 h |
| August | 29.5°C23.1°C | 23.1°C | 127 | 13.6 | 13.514 h |
| September | 25.8°C20.0°C | 20.0°C | 174 | 14.5 | 12.412 h |
| October | 20.5°C14.4°C | 14.4°C | 191 | 12.4 | 11.311 h |
| November | 15.5°C8.2°C | 8.2°C | 91 | 9.5 | 10.310 h |
| December | 10.3°C2.5°C | 2.5°C | 60 | 7.4 | 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
July in nearby cities
- Tsuchiura in JulyJapan · 11 kmHigh 28.6°C · Low 21.8°C · 158 mm rain
- Tsukuba in JulyJapan · 17 kmHigh 28.6°C · Low 21.6°C · 163 mm rain
- Kasama, Japan in JulyJapan · 22 kmHigh 26.9°C · Low 20.3°C · 184 mm rain
- Mito in JulyJapan · 25 kmHigh 26.9°C · Low 21.0°C · 162 mm rain
- Ushiku in JulyJapan · 27 kmHigh 28.6°C · Low 21.7°C · 158 mm rain
- Chikusei in JulyJapan · 29 kmHigh 28.7°C · Low 21.3°C · 165 mm rain
- Ryūgasaki in JulyJapan · 32 kmHigh 28.6°C · Low 21.8°C · 158 mm rain
- Hitachi-Naka in JulyJapan · 34 kmHigh 25.9°C · Low 21.0°C · 178 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 Ishioka) is explained once on the Ishioka year overview and on the Sources, method and limits page.