Annual mean 15°C · wettest around June · prevailing wind E
Warmest
30.3 °C
Coldest
6.7 °C
Wettest
38%
Windiest
4.1 m/s
Prevailing
E
3.3 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
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 Aizawa over the whole year is 15°C. August is the hottest month, with highs of about 29°C; January is the coldest, with lows of about 1°C. Aizawa has no sharply defined rainy season: the chance of rain on a given day runs from 18% in January, the driest month, to 32% in June, the wettest. Winds in Aizawa are highest in April, averaging 3.2 m/s (12 km/h), and lightest in December, at 2.5 m/s (9 km/h). The prevailing wind is from the E. The clearest skies in Aizawa come in January, when the sky is typically 36% covered; September is the cloudiest month, at 62%.
Month by month Aizawa 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
7°C
1°C
2°C
18%
36%
2.7 m/s
0
0
26
February
8°C
2°C
3°C
22%
42%
3.1 m/s
2
0
30
March
12°C
6°C
8°C
29%
49%
3.1 m/s
15
0
56
April
17°C
10°C
13°C
32%
52%
3.2 m/s
46
2
72
May
21°C
15°C
19°C
31%
56%
3.1 m/s
75
14
61
June
24°C
19°C
24°C
32%
62%
2.7 m/s
61
41
29
July
28°C
23°C
30°C
27%
59%
2.7 m/s
20
44
7
August
29°C
24°C
32°C
29%
57%
2.9 m/s
10
36
5
September
25°C
21°C
26°C
29%
62%
2.8 m/s
42
46
19
October
20°C
15°C
18°C
30%
57%
2.8 m/s
63
16
60
November
15°C
9°C
12°C
22%
46%
2.6 m/s
39
0
75
December
10°C
3°C
6°C
20%
39%
2.5 m/s
4
0
48
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 Aizawa weather by season
Year round, Aizawa has days of about 7°C at their warmest in January, its coolest month, and 29°C in August, its warmest; the coolest hours of the day run from 1°C to 24°C through the year, and the average temperature over the year is 15°C around the clock. Rain is most likely around June and least likely around January. 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.
Aizawa weather in winterDecember to February
High 8°CLow 2°CRain 20%
Winter in Aizawa has typical daily highs of about 8°C and lows of about 2°C, with a 20% chance of rain on a given day.
Aizawa weather in springMarch to May
High 16°CLow 10°CRain 30%
Spring in Aizawa has typical daily highs of about 16°C and lows of about 10°C, with a 30% chance of rain on a given day.
Aizawa weather in summerJune to August
High 27°CLow 22°CRain 29%
Summer in Aizawa has typical daily highs of about 27°C and lows of about 22°C, with a 29% chance of rain on a given day.
Aizawa weather in autumnSeptember to November
High 20°CLow 15°CRain 27%
Autumn in Aizawa has typical daily highs of about 20°C and lows of about 15°C, with a 27% chance of rain on a given day.
When is the rainy season in Aizawa?
Aizawa has no sharply defined rainy season: the chance of rain on a given day runs from 18% in January, the driest month, to 32% in June, the wettest.
What time of year is Aizawa windiest?
Winds in Aizawa are highest in April, averaging 3.2 m/s (12 km/h), and lightest in December, at 2.5 m/s (9 km/h). The prevailing wind is from the E.
What is the average temperature in Aizawa year round?
The average temperature in Aizawa over the whole year is 15°C. August is the hottest month, with highs of about 29°C; January is the coldest, with lows of about 1°C.