Climate averages 1991–2020
Hitachi-Naka weather
in August.
A warm, wet month: the warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Hitachi-Naka: daytime highs average 27.4°C and nights cool to about 22.6°C. By daytime temperature it is the warmest month of the year.
Expect about 131 mm of rain on roughly 14 days, which makes August a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 33 min on an average August day.
The nearest other city in this atlas is Mito (9 km away). In August its highs average 28.3°C, 0.9°C warmer than Hitachi-Naka, with 111 mm of rain.
Among the 303 cities listed in Japan, Hitachi-Naka ranks joint 266th of 303 for the warmest August highs and joint 99th of 303 for the driest August (rainfall, lowest first). The mean August high of those 303 cities is 29.2°C; Hitachi-Naka is 1.8°C cooler than that mean.
From August to September, average highs fall by 2.8°C to 24.6°C, and monthly rainfall rises from 131 mm to 179 mm.
The annual picture
August 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
Hitachi-Naka climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.8°C1.3°C | 1.3°C | 63 | 7.3 | 10.010 h |
| February | 8.5°C1.4°C | 1.4°C | 64 | 7.4 | 10.811 h |
| March | 11.5°C3.9°C | 3.9°C | 115 | 12.5 | 11.912 h |
| April | 15.9°C8.2°C | 8.2°C | 121 | 11.9 | 13.113 h |
| May | 19.8°C13.0°C | 13.0°C | 144 | 12.5 | 14.114 h |
| June | 22.4°C17.1°C | 17.1°C | 151 | 14.7 | 14.615 h |
| July | 25.9°C21.0°C | 21.0°C | 178 | 16.0 | 14.414 h |
| August, selected | 27.4°C22.6°C | 22.6°C | 131 | 14.0 | 13.514 h |
| September | 24.6°C19.9°C | 19.9°C | 179 | 14.7 | 12.412 h |
| October | 19.8°C14.8°C | 14.8°C | 196 | 12.7 | 11.311 h |
| November | 15.1°C9.1°C | 9.1°C | 98 | 9.5 | 10.310 h |
| December | 10.1°C3.8°C | 3.8°C | 64 | 7.6 | 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
August in nearby cities
- Mito in AugustJapan · 9 kmHigh 28.3°C · Low 22.5°C · 111 mm rain
- Kasama, Japan in AugustJapan · 24 kmHigh 28.2°C · Low 21.7°C · 136 mm rain
- Hitachi in AugustJapan · 25 kmHigh 27.8°C · Low 22.9°C · 111 mm rain
- Ishioka in AugustJapan · 34 kmHigh 29.5°C · Low 23.1°C · 127 mm rain
- Tsuchiura in AugustJapan · 45 kmHigh 29.9°C · Low 23.2°C · 119 mm rain
- Mooka in AugustJapan · 47 kmHigh 29.6°C · Low 22.1°C · 128 mm rain
- Chikusei in AugustJapan · 50 kmHigh 29.9°C · Low 22.6°C · 123 mm rain
- Tsukuba in AugustJapan · 51 kmHigh 30.0°C · Low 23.0°C · 123 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 Hitachi-Naka) is explained once on the Hitachi-Naka year overview and on the Sources, method and limits page.