Climate averages 1991–2020
Tomakomai weather
in March.
A cold, moderately wet month: the 9th warmest and the joint 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a cold month in Tomakomai: daytime highs average 2.2°C and nights cool to about -4.0°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 63 mm of rain on roughly 10 days, which makes March a moderately wet month (the joint 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 54 min on an average March day.
The nearest other city in this atlas is Chitose (21 km away). In March its highs average 2.6°C, about as warm as Tomakomai, with 54 mm of rain.
Among the 303 cities listed in Japan, Tomakomai ranks joint 293rd of 303 for the warmest March highs and 7th of 303 for the driest March (rainfall, lowest first). The mean March high of those 303 cities is 11.5°C; Tomakomai is 9.3°C cooler than that mean.
From March to April, average highs rise by 5.3°C to 7.5°C, and monthly rainfall rises from 63 mm to 78 mm.
The annual picture
March in context
Monthly precipitation
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
Tomakomai climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -2.0°C-7.5°C | -7.5°C | 44 | 7.1 | 9.49 h |
| February | -1.3°C-7.4°C | -7.4°C | 44 | 7.4 | 10.511 h |
| March, selected | 2.2°C-4.0°C | -4.0°C | 63 | 10.3 | 11.912 h |
| April | 7.5°C1.0°C | 1.0°C | 78 | 11.5 | 13.413 h |
| May | 12.7°C6.7°C | 6.7°C | 109 | 11.8 | 14.615 h |
| June | 16.7°C11.6°C | 11.6°C | 100 | 11.3 | 15.315 h |
| July | 20.6°C16.1°C | 16.1°C | 138 | 13.7 | 15.015 h |
| August | 22.5°C18.2°C | 18.2°C | 197 | 14.5 | 13.914 h |
| September | 20.1°C15.1°C | 15.1°C | 177 | 15.0 | 12.513 h |
| October | 14.3°C8.8°C | 8.8°C | 110 | 11.8 | 11.111 h |
| November | 7.3°C2.0°C | 2.0°C | 78 | 10.8 | 9.810 h |
| December | 0.7°C-4.2°C | -4.2°C | 63 | 8.7 | 9.19 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet 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
- Chitose in MarchJapan · 21 kmHigh 2.6°C · Low -5.1°C · 54 mm rain
- Eniwa in MarchJapan · 29 kmHigh 2.1°C · Low -5.8°C · 55 mm rain
- Sapporo in MarchJapan · 52 kmHigh 1.9°C · Low -5.5°C · 64 mm precipitation
- Ebetsu in MarchJapan · 53 kmHigh 1.5°C · Low -6.3°C · 55 mm precipitation
- Muroran in MarchJapan · 62 kmHigh 2.0°C · Low -3.4°C · 57 mm precipitation
- Iwamizawa in MarchJapan · 64 kmHigh 1.9°C · Low -5.9°C · 57 mm precipitation
- Otaru in MarchJapan · 79 kmHigh 1.8°C · Low -3.0°C · 76 mm precipitation
- Hakodate in MarchJapan · 119 kmHigh 3.5°C · Low -2.2°C · 66 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 Tomakomai) is explained once on the Tomakomai year overview and on the Sources, method and limits page.