Annual mean 13°C · wettest around July · prevailing wind NW
Warmest
29.7 °C
Coldest
3.5 °C
Wettest
30%
Windiest
4.6 m/s
Prevailing
NW
3.7 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 Shiroishi over the whole year is 13°C. August is the hottest month, with highs of about 29°C; January is the coldest, with lows of about -1°C. Shiroishi has no sharply defined rainy season: the chance of rain on a given day runs from 10% in November, the driest month, to 22% in July, the wettest. Winds in Shiroishi are highest in February, averaging 3.2 m/s (12 km/h), and lightest in July, at 2.4 m/s (9 km/h). The prevailing wind is from the NW. The clearest skies in Shiroishi come in November, when the sky is typically 64% covered; July is the cloudiest month, at 78%.
Month by month Shiroishi 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%
70%
2.9 m/s
0
0
6
February
5°C
-0°C
-0°C
14%
66%
3.2 m/s
0
0
9
March
10°C
3°C
5°C
13%
65%
3.2 m/s
5
0
34
April
15°C
8°C
11°C
14%
66%
3.2 m/s
26
1
69
May
20°C
14°C
18°C
15%
68%
2.9 m/s
69
9
73
June
24°C
18°C
23°C
17%
76%
2.8 m/s
70
34
44
July
27°C
23°C
29°C
22%
78%
2.4 m/s
33
47
11
August
29°C
24°C
31°C
21%
74%
2.6 m/s
20
45
6
September
25°C
19°C
25°C
20%
77%
2.4 m/s
61
41
31
October
19°C
13°C
17°C
15%
71%
2.4 m/s
63
6
77
November
13°C
7°C
9°C
10%
64%
2.6 m/s
18
0
65
December
6°C
2°C
2°C
16%
70%
2.8 m/s
0
0
18
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 Shiroishi weather by season
Year round, Shiroishi has days of about 4°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 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.
Shiroishi weather in winterDecember to February
High 5°CLow 0°CRain 15%
Winter in Shiroishi has typical daily highs of about 5°C and lows of about 0°C, with a 15% chance of rain on a given day.
Shiroishi weather in springMarch to May
High 15°CLow 8°CRain 14%
Spring in Shiroishi has typical daily highs of about 15°C and lows of about 8°C, with a 14% chance of rain on a given day.
Shiroishi weather in summerJune to August
High 27°CLow 22°CRain 20%
Summer in Shiroishi has typical daily highs of about 27°C and lows of about 22°C, with a 20% chance of rain on a given day.
Shiroishi weather in autumnSeptember to November
High 19°CLow 13°CRain 15%
Autumn in Shiroishi 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 Shiroishi?
Shiroishi has no sharply defined rainy season: the chance of rain on a given day runs from 10% in November, the driest month, to 22% in July, the wettest.
What time of year is Shiroishi windiest?
Winds in Shiroishi are highest in February, averaging 3.2 m/s (12 km/h), and lightest in July, at 2.4 m/s (9 km/h). The prevailing wind is from the NW.
What is the average temperature in Shiroishi year round?
The average temperature in Shiroishi over the whole year is 13°C. August is the hottest month, with highs of about 29°C; January is the coldest, with lows of about -1°C.