Annual mean 18°C · wettest around September · prevailing wind W
Warmest
30.8 °C
Coldest
9.0 °C
Wettest
37%
Windiest
5.2 m/s
Prevailing
W
4.5 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 Shirahama over the whole year is 18°C. August is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 6°C. The rainy (wet) season in Shirahama runs from March to October, peaking in September with a 28% chance of rain on a given day. The dry season is November to February; January is the driest month, at 10%. Winds in Shirahama are highest in January, averaging 4.2 m/s (15 km/h), and lightest in June, at 3.4 m/s (12 km/h). The prevailing wind is from the W. The clearest skies in Shirahama come in November, when the sky is typically 58% covered; September is the cloudiest month, at 72%.
Month by month Shirahama 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
10°C
6°C
4°C
10%
60%
4.2 m/s
1
0
32
February
10°C
6°C
5°C
13%
61%
4.2 m/s
3
0
35
March
14°C
9°C
10°C
19%
60%
4.0 m/s
18
0
64
April
18°C
14°C
15°C
23%
60%
3.9 m/s
54
1
79
May
22°C
18°C
20°C
24%
66%
3.6 m/s
83
11
67
June
25°C
22°C
25°C
26%
71%
3.4 m/s
67
47
28
July
29°C
26°C
32°C
24%
67%
3.4 m/s
12
55
2
August
30°C
27°C
33°C
20%
63%
3.5 m/s
6
39
1
September
27°C
24°C
29°C
28%
72%
3.5 m/s
33
58
8
October
23°C
18°C
22°C
22%
65%
3.5 m/s
74
26
55
November
18°C
13°C
15°C
14%
58%
3.5 m/s
52
2
80
December
12°C
8°C
7°C
10%
61%
4.2 m/s
9
0
51
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 Shirahama weather by season
Year round, Shirahama has days of about 10°C at their warmest in January, its coolest month, and 30°C in August, its warmest; the coolest hours of the day run from 6°C to 27°C through the year, and the average temperature over the year is 18°C around the clock. Rain is most likely around September 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.
Shirahama weather in winterDecember to February
High 10°CLow 6°CRain 11%
Winter in Shirahama has typical daily highs of about 10°C and lows of about 6°C, with a 11% chance of rain on a given day.
Shirahama weather in springMarch to May
High 18°CLow 14°CRain 22%
Spring in Shirahama has typical daily highs of about 18°C and lows of about 14°C, with a 22% chance of rain on a given day.
Shirahama weather in summerJune to August
High 28°CLow 25°CRain 23%
Summer in Shirahama has typical daily highs of about 28°C and lows of about 25°C, with a 23% chance of rain on a given day.
Shirahama weather in autumnSeptember to November
High 22°CLow 18°CRain 21%
Autumn in Shirahama has typical daily highs of about 22°C and lows of about 18°C, with a 21% chance of rain on a given day.
When is the rainy season in Shirahama?
The rainy (wet) season in Shirahama runs from March to October, peaking in September with a 28% chance of rain on a given day. The dry season is November to February; January is the driest month, at 10%.
What time of year is Shirahama windiest?
Winds in Shirahama are highest in January, averaging 4.2 m/s (15 km/h), and lightest in June, at 3.4 m/s (12 km/h). The prevailing wind is from the W.
What is the average temperature in Shirahama year round?
The average temperature in Shirahama over the whole year is 18°C. August is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 6°C.