Annual mean 9°C · wettest around August · prevailing wind SW
Warmest
25.0 °C
Coldest
-2.0 °C
Wettest
29%
Windiest
5.4 m/s
Prevailing
SW
4.5 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Tomakomai over the whole year is 9°C. August is the hottest month, with highs of about 24°C; January is the coldest, with lows of about -6°C. Tomakomai has no sharply defined rainy season: the chance of rain on a given day runs from 14% in March, the driest month, to 23% in August, the wettest. Winds in Tomakomai are highest in April, averaging 3.9 m/s (14 km/h), and lightest in January, at 3.3 m/s (12 km/h). The prevailing wind is from the SW. The clearest skies in Tomakomai come in October, when the sky is typically 66% covered; July is the cloudiest month, at 76%.
Month by month Tomakomai climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
-1°C
-6°C
-7°C
17%
71%
3.3 m/s
0
0
0
February
-1°C
-6°C
-6°C
16%
72%
3.4 m/s
0
0
0
March
4°C
-1°C
-2°C
14%
67%
3.7 m/s
0
0
5
April
10°C
4°C
5°C
15%
68%
3.9 m/s
2
0
34
May
15°C
10°C
11°C
15%
69%
3.7 m/s
25
1
72
June
18°C
14°C
16°C
19%
75%
3.6 m/s
59
6
76
July
23°C
19°C
23°C
17%
76%
3.4 m/s
70
33
44
August
24°C
20°C
25°C
23%
76%
3.4 m/s
64
42
33
September
22°C
16°C
20°C
16%
69%
3.4 m/s
81
15
66
October
15°C
9°C
12°C
19%
66%
3.4 m/s
29
0
74
November
8°C
3°C
3°C
19%
72%
3.5 m/s
2
0
28
December
1°C
-4°C
-5°C
18%
72%
3.3 m/s
0
0
2
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Tomakomai weather by season
Year round, Tomakomai has days of about -1°C at their warmest in January, its coolest month, and 24°C in August, its warmest; the coolest hours of the day run from -6°C to 20°C through the year, and the average temperature over the year is 9°C around the clock. Rain is most likely around August and least likely around March. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Tomakomai weather in winterDecember to February
High -0°CLow -5°CRain 17%
Winter in Tomakomai has typical daily highs of about -0°C and lows of about -5°C, with a 17% chance of rain on a given day.
Tomakomai weather in springMarch to May
High 10°CLow 4°CRain 15%
Spring in Tomakomai has typical daily highs of about 10°C and lows of about 4°C, with a 15% chance of rain on a given day.
Tomakomai weather in summerJune to August
High 22°CLow 18°CRain 20%
Summer in Tomakomai has typical daily highs of about 22°C and lows of about 18°C, with a 20% chance of rain on a given day.
Tomakomai weather in autumnSeptember to November
High 15°CLow 9°CRain 18%
Autumn in Tomakomai has typical daily highs of about 15°C and lows of about 9°C, with a 18% chance of rain on a given day.
When is the rainy season in Tomakomai?
Tomakomai has no sharply defined rainy season: the chance of rain on a given day runs from 14% in March, the driest month, to 23% in August, the wettest.
What time of year is Tomakomai windiest?
Winds in Tomakomai are highest in April, averaging 3.9 m/s (14 km/h), and lightest in January, at 3.3 m/s (12 km/h). The prevailing wind is from the SW.
What is the average temperature in Tomakomai year round?
The average temperature in Tomakomai over the whole year is 9°C. August is the hottest month, with highs of about 24°C; January is the coldest, with lows of about -6°C.