Climate averages 1991–2020
Hitachi-Naka weather
in January.
A cold, moderately wet month: the coolest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a cold month in Hitachi-Naka: daytime highs average 7.8°C and nights cool to about 1.3°C. By daytime temperature it is the coolest month of the year.
Expect about 63 mm of rain on roughly 7 days, which makes January a moderately wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 9 h 59 min on an average January day.
The nearest other city in this atlas is Mito (9 km away). In January its highs average 7.7°C, about as warm as Hitachi-Naka, with 72 mm of rain.
Among the 303 cities listed in Japan, Hitachi-Naka ranks joint 151st of 303 for the warmest January highs and joint 116th of 303 for the driest January (rainfall, lowest first). The mean January high of those 303 cities is 7.0°C; Hitachi-Naka is 0.9°C warmer than that mean.
From January to February, average highs rise by 0.6°C to 8.5°C, and monthly rainfall rises from 63 mm to 64 mm.
The annual picture
January 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, selected | 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 | 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
January in nearby cities
- Mito in JanuaryJapan · 9 kmHigh 7.7°C · Low 0.0°C · 72 mm rain
- Kasama, Japan in JanuaryJapan · 24 kmHigh 6.6°C · Low -1.6°C · 56 mm rain
- Hitachi in JanuaryJapan · 25 kmHigh 7.3°C · Low 1.3°C · 73 mm rain
- Ishioka in JanuaryJapan · 34 kmHigh 7.9°C · Low -0.1°C · 61 mm rain
- Tsuchiura in JanuaryJapan · 45 kmHigh 8.1°C · Low -0.7°C · 66 mm rain
- Mooka in JanuaryJapan · 47 kmHigh 7.4°C · Low -2.4°C · 52 mm rain
- Chikusei in JanuaryJapan · 50 kmHigh 7.7°C · Low -1.7°C · 55 mm rain
- Tsukuba in JanuaryJapan · 51 kmHigh 7.9°C · Low -1.1°C · 60 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.