Climate averages 1991–2020
Hitachi weather
in October.
A mild, very wet month: the 6th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a mild month in Hitachi: daytime highs average 19.8°C and nights cool to about 14.8°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 211 mm of rain on roughly 13 days, which makes October a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 17 min on an average October day.
The nearest other city in this atlas is Hitachi-Naka (25 km away). In October its highs average 19.8°C, about as warm as Hitachi, with 196 mm of rain.
Among the 303 cities listed in Japan, Hitachi ranks joint 221st of 303 for the warmest October highs and joint 246th of 303 for the driest October (rainfall, lowest first). The mean October high of those 303 cities is 20.4°C; Hitachi is 0.6°C cooler than that mean.
From October to November, average highs fall by 5.0°C to 14.8°C, and monthly rainfall falls from 211 mm to 108 mm.
The annual picture
October 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 climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.3°C1.3°C | 1.3°C | 73 | 8.1 | 10.010 h |
| February | 7.9°C1.2°C | 1.2°C | 72 | 8.3 | 10.811 h |
| March | 11.1°C3.5°C | 3.5°C | 127 | 12.7 | 11.912 h |
| April | 15.8°C7.8°C | 7.8°C | 125 | 12.0 | 13.113 h |
| May | 20.0°C12.9°C | 12.9°C | 144 | 12.5 | 14.114 h |
| June | 22.9°C17.3°C | 17.3°C | 148 | 14.3 | 14.615 h |
| July | 26.4°C21.3°C | 21.3°C | 162 | 14.1 | 14.414 h |
| August | 27.8°C22.9°C | 22.9°C | 111 | 11.4 | 13.614 h |
| September | 24.7°C20.1°C | 20.1°C | 174 | 14.1 | 12.412 h |
| October, selected | 19.8°C14.8°C | 14.8°C | 211 | 13.2 | 11.311 h |
| November | 14.8°C9.0°C | 9.0°C | 108 | 10.1 | 10.310 h |
| December | 9.7°C3.9°C | 3.9°C | 72 | 8.7 | 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
October in nearby cities
- Hitachi-Naka in OctoberJapan · 25 kmHigh 19.8°C · Low 14.8°C · 196 mm rain
- Mito in OctoberJapan · 33 kmHigh 20.1°C · Low 14.1°C · 212 mm rain
- Kasama, Japan in OctoberJapan · 42 kmHigh 19.4°C · Low 12.8°C · 179 mm rain
- Iwaki in OctoberJapan · 54 kmHigh 19.6°C · Low 14.1°C · 223 mm rain
- Ishioka in OctoberJapan · 58 kmHigh 20.5°C · Low 14.4°C · 191 mm rain
- Mooka in OctoberJapan · 60 kmHigh 20.3°C · Low 12.3°C · 164 mm rain
- Ōtawara in OctoberJapan · 62 kmHigh 18.6°C · Low 10.8°C · 169 mm rain
- Nasushiobara in OctoberJapan · 67 kmHigh 18.3°C · Low 10.8°C · 185 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) is explained once on the Hitachi year overview and on the Sources, method and limits page.