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Tomakomai

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Tomakomai Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Tomakomai year round climate

  • Spring (March–May): Average 1–12°C, with fluctuating temperatures, increasing rainfall, and occasional snowfall. Common activities: flower viewing, picnicking, outdoor walks. Recommended clothing: warm jacket, long-sleeved clothing, comfortable shoes.
  • Summer (June–August): Average 16–23°C, warm and humid with abundant rainfall, especially in August. Common activities: beach activities, camping, fishing. Recommended clothing: light and breathable clothing, rain gear.
  • Autumn (September–November): Average 6–20°C, gradually decreasing temperatures and abundant rainfall, with occasional typhoons. Common activities: autumn foliage viewing, hiking, fruit picking. Recommended clothing: light jacket, long-sleeved shirts, comfortable shoes.
  • Winter (December–February): Average -4–1°C, cold and dry with moderate snowfall. Common activities: skiing, ice skating, onsen. Recommended clothing: heavy coat, warm clothing, waterproof and windproof shoes.

Tomakomai climatological average

Annual average temperature: approx. 9°C / Annual rainfall: approx. 1309 mm / Summer humidity: 70%–80% / Rainiest month: August

Tomakomai monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
-4°C
56
February
-2.8°C
23.5
March
1.4°C
69.5
April
7.4°C
69
May
11.6°C
99
June
15.7°C
124.2
July
21.3°C
145.5
August
23.1°C
248.6
September
19.7°C
233.3
October
12.7°C
132.3
November
6°C
76.6
December
-1.7°C
32.4

Tomakomai weather for the next seven days

3/20
Friday
Moderate rain
3.8°C/-2°C
3/21
Saturday
Moderate or heavy snow showers
3°C/-0.8°C
3/22
Sunday
Partly Cloudy
7.5°C/-0.6°C
3/23
Monday
Moderate rain
5.3°C/2.1°C
3/24
Tuesday
Sunny
5.1°C/0.8°C
3/25
Wednesday
Sunny
6°C/0.1°C
3/26
Thursday
Partly Cloudy
5.8°C/1.8°C