Climate averages 1991–2020
Hitachi-Naka weather
in October.
A mild, very wet month: the joint 5th 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-Naka: daytime highs average 19.8°C and nights cool to about 14.8°C. By daytime temperature it is the joint 5th warmest of the 12 months.
Expect about 196 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 18 min on an average October day.
The nearest other city in this atlas is Mito (9 km away). In October its highs average 20.1°C, about as warm as Hitachi-Naka, with 212 mm of rain.
Among the 303 cities listed in Japan, Hitachi-Naka ranks joint 221st of 303 for the warmest October highs and joint 205th of 303 for the driest October (rainfall, lowest first). The mean October high of those 303 cities is 20.4°C; Hitachi-Naka is 0.5°C cooler than that mean.
From October to November, average highs fall by 4.7°C to 15.1°C, and monthly rainfall falls from 196 mm to 98 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-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 | 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, selected | 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
October in nearby cities
- Mito in OctoberJapan · 9 kmHigh 20.1°C · Low 14.1°C · 212 mm rain
- Kasama, Japan in OctoberJapan · 24 kmHigh 19.4°C · Low 12.8°C · 179 mm rain
- Hitachi in OctoberJapan · 25 kmHigh 19.8°C · Low 14.8°C · 211 mm rain
- Ishioka in OctoberJapan · 34 kmHigh 20.5°C · Low 14.4°C · 191 mm rain
- Tsuchiura in OctoberJapan · 45 kmHigh 20.8°C · Low 14.2°C · 191 mm rain
- Mooka in OctoberJapan · 47 kmHigh 20.3°C · Low 12.3°C · 164 mm rain
- Chikusei in OctoberJapan · 50 kmHigh 20.6°C · Low 13.0°C · 176 mm rain
- Tsukuba in OctoberJapan · 51 kmHigh 20.7°C · Low 13.8°C · 186 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.