Annual mean 13°C · wettest around July · prevailing wind NW
Warmest
29.0 °C
Coldest
3.6 °C
Wettest
29%
Windiest
5.1 m/s
Prevailing
NW
4.2 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 Sendai over the whole year is 13°C. August is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -1°C. Sendai has no sharply defined rainy season: the chance of rain on a given day runs from 11% in November, the driest month, to 22% in July, the wettest. Winds in Sendai are highest in February, averaging 3.7 m/s (13 km/h), and lightest in July, at 2.8 m/s (10 km/h). The prevailing wind is from the NW. The clearest skies in Sendai come in November, when the sky is typically 64% covered; July is the cloudiest month, at 79%.
Month by month Sendai 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
4°C
-1°C
-1°C
15%
68%
3.4 m/s
0
0
5
February
5°C
-0°C
-1°C
13%
67%
3.7 m/s
0
0
8
March
9°C
3°C
4°C
13%
65%
3.7 m/s
3
0
30
April
15°C
8°C
10°C
14%
66%
3.7 m/s
21
0
65
May
20°C
14°C
17°C
16%
70%
3.3 m/s
64
5
76
June
23°C
18°C
22°C
17%
76%
3.1 m/s
74
26
52
July
27°C
23°C
28°C
22%
79%
2.8 m/s
40
49
15
August
28°C
24°C
30°C
21%
75%
3.0 m/s
25
50
7
September
24°C
20°C
25°C
19%
77%
2.8 m/s
64
39
34
October
19°C
13°C
17°C
16%
70%
2.9 m/s
62
5
77
November
13°C
7°C
9°C
11%
64%
3.0 m/s
17
0
62
December
6°C
2°C
1°C
16%
69%
3.3 m/s
0
0
17
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 Sendai weather by season
Year round, Sendai has days of about 4°C at their warmest in January, its coolest month, and 28°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 13°C around the clock. Rain is most likely around July and least likely around November. 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.
Sendai weather in winterDecember to February
High 5°CLow 0°CRain 14%
Winter in Sendai has typical daily highs of about 5°C and lows of about 0°C, with a 14% chance of rain on a given day.
Sendai weather in springMarch to May
High 14°CLow 8°CRain 15%
Spring in Sendai has typical daily highs of about 14°C and lows of about 8°C, with a 15% chance of rain on a given day.
Sendai weather in summerJune to August
High 26°CLow 22°CRain 20%
Summer in Sendai has typical daily highs of about 26°C and lows of about 22°C, with a 20% chance of rain on a given day.
Sendai weather in autumnSeptember to November
High 19°CLow 13°CRain 15%
Autumn in Sendai has typical daily highs of about 19°C and lows of about 13°C, with a 15% chance of rain on a given day.
When is the rainy season in Sendai?
Sendai has no sharply defined rainy season: the chance of rain on a given day runs from 11% in November, the driest month, to 22% in July, the wettest.
What time of year is Sendai windiest?
Winds in Sendai are highest in February, averaging 3.7 m/s (13 km/h), and lightest in July, at 2.8 m/s (10 km/h). The prevailing wind is from the NW.
What is the average temperature in Sendai year round?
The average temperature in Sendai over the whole year is 13°C. August is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -1°C.