Climate averages 1991–2020
Saku weather
in March.
A cool, wet month: the 9th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a cool month in Saku: daytime highs average 9.0°C and nights cool to about -0.9°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 99 mm of rain on roughly 12 days, which makes March a wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 56 min on an average March day.
The nearest other city in this atlas is Ueda (27 km away). In March its highs average 8.8°C, about as warm as Saku, with 118 mm of rain.
Among the 303 cities listed in Japan, Saku ranks joint 251st of 303 for the warmest March highs and joint 39th of 303 for the driest March (rainfall, lowest first). The mean March high of those 303 cities is 11.5°C; Saku is 2.5°C cooler than that mean.
From March to April, average highs rise by 6.7°C to 15.6°C, and monthly rainfall rises from 99 mm to 102 mm.
The annual picture
March 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
Saku climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 3.9°C-4.4°C | -4.4°C | 55 | 7.6 | 10.010 h |
| February | 4.8°C-4.4°C | -4.4°C | 58 | 8.1 | 10.811 h |
| March, selected | 9.0°C-0.9°C | -0.9°C | 99 | 11.7 | 11.912 h |
| April | 15.6°C4.8°C | 4.8°C | 102 | 12.3 | 13.113 h |
| May | 20.6°C10.6°C | 10.6°C | 131 | 14.9 | 14.114 h |
| June | 23.4°C15.3°C | 15.3°C | 197 | 19.8 | 14.615 h |
| July | 27.0°C19.3°C | 19.3°C | 220 | 21.6 | 14.414 h |
| August | 27.8°C20.2°C | 20.2°C | 174 | 21.5 | 13.514 h |
| September | 23.7°C16.4°C | 16.4°C | 187 | 17.6 | 12.412 h |
| October | 18.1°C10.1°C | 10.1°C | 161 | 12.9 | 11.311 h |
| November | 12.7°C3.9°C | 3.9°C | 64 | 7.8 | 10.310 h |
| December | 6.9°C-1.1°C | -1.1°C | 48 | 7.9 | 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
March in nearby cities
- Ueda in MarchJapan · 27 kmHigh 8.8°C · Low -1.0°C · 118 mm rain
- Matsumoto in MarchJapan · 46 kmHigh 7.7°C · Low -1.6°C · 155 mm rain
- Takasaki in MarchJapan · 50 kmHigh 11.4°C · Low 0.6°C · 131 mm rain
- Azumino in MarchJapan · 54 kmHigh 7.1°C · Low -1.7°C · 155 mm rain
- Shibukawa in MarchJapan · 55 kmHigh 10.2°C · Low 0.5°C · 118 mm rain
- Nagano in MarchJapan · 55 kmHigh 7.1°C · Low -1.5°C · 138 mm rain
- Maebashi in MarchJapan · 57 kmHigh 11.3°C · Low 0.9°C · 118 mm rain
- Kai in MarchJapan · 59 kmHigh 11.0°C · Low 1.4°C · 125 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 Saku) is explained once on the Saku year overview and on the Sources, method and limits page.