Annual mean 15°C · wettest around December · prevailing wind NW
Warmest
31.4 °C
Coldest
5.2 °C
Wettest
58%
Windiest
5.4 m/s
Prevailing
NW
4.6 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 Shirayamamachi over the whole year is 15°C. August is the hottest month, with highs of about 31°C; February is the coldest, with lows of about 3°C. The rainy (wet) season in Shirayamamachi runs from December to February, peaking in December with a 50% chance of rain on a given day. The dry season is March to November; May is the driest month, at 18%. Winds in Shirayamamachi are highest in January, averaging 4.0 m/s (14 km/h), and lightest in July, at 3.0 m/s (11 km/h). The prevailing wind is from the NW. The clearest skies in Shirayamamachi come in May, when the sky is typically 67% covered; January is the cloudiest month, at 83%.
Month by month Shirayamamachi 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
6°C
3°C
1°C
47%
83%
4.0 m/s
0
0
12
February
6°C
3°C
1°C
36%
79%
3.9 m/s
1
0
15
March
11°C
5°C
6°C
26%
68%
3.8 m/s
6
0
43
April
16°C
10°C
12°C
23%
68%
3.7 m/s
31
1
71
May
21°C
15°C
18°C
18%
67%
3.4 m/s
71
8
72
June
25°C
20°C
24°C
20%
76%
3.1 m/s
71
38
37
July
29°C
24°C
31°C
24%
74%
3.0 m/s
18
53
3
August
31°C
25°C
33°C
19%
68%
3.1 m/s
9
42
1
September
27°C
22°C
27°C
23%
75%
3.0 m/s
49
50
18
October
21°C
15°C
19°C
21%
72%
3.2 m/s
68
12
68
November
15°C
10°C
12°C
30%
69%
3.4 m/s
30
1
68
December
9°C
5°C
4°C
50%
81%
4.0 m/s
2
0
28
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 Shirayamamachi weather by season
Year round, Shirayamamachi has days of about 6°C at their warmest in January, its coolest month, and 31°C in August, its warmest; the coolest hours of the day run from 3°C to 25°C through the year, and the average temperature over the year is 15°C around the clock. Rain is most likely around December and least likely around May. 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.
Shirayamamachi weather in winterDecember to February
High 7°CLow 3°CRain 44%
Winter in Shirayamamachi has typical daily highs of about 7°C and lows of about 3°C, with a 44% chance of rain on a given day.
Shirayamamachi weather in springMarch to May
High 16°CLow 10°CRain 22%
Spring in Shirayamamachi has typical daily highs of about 16°C and lows of about 10°C, with a 22% chance of rain on a given day.
Shirayamamachi weather in summerJune to August
High 28°CLow 23°CRain 21%
Summer in Shirayamamachi has typical daily highs of about 28°C and lows of about 23°C, with a 21% chance of rain on a given day.
Shirayamamachi weather in autumnSeptember to November
High 21°CLow 15°CRain 24%
Autumn in Shirayamamachi has typical daily highs of about 21°C and lows of about 15°C, with a 24% chance of rain on a given day.
When is the rainy season in Shirayamamachi?
The rainy (wet) season in Shirayamamachi runs from December to February, peaking in December with a 50% chance of rain on a given day. The dry season is March to November; May is the driest month, at 18%.
What time of year is Shirayamamachi windiest?
Winds in Shirayamamachi are highest in January, averaging 4.0 m/s (14 km/h), and lightest in July, at 3.0 m/s (11 km/h). The prevailing wind is from the NW.
What is the average temperature in Shirayamamachi year round?
The average temperature in Shirayamamachi over the whole year is 15°C. August is the hottest month, with highs of about 31°C; February is the coldest, with lows of about 3°C.