Annual mean 17°C · wettest around March · prevailing wind NW
Warmest
30.4 °C
Coldest
9.3 °C
Wettest
37%
Windiest
5.2 m/s
Prevailing
NW
4.4 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 Minami-Bōsō over the whole year is 17°C. August is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 5°C. Minami-Bōsō has no sharply defined rainy season: the chance of rain on a given day runs from 12% in February, the driest month, to 26% in March, the wettest. Winds in Minami-Bōsō are highest in February, averaging 4.1 m/s (15 km/h), and lightest in June, at 3.5 m/s (13 km/h). The prevailing wind is from the NW. The clearest skies in Minami-Bōsō come in January, when the sky is typically 49% covered; June is the cloudiest month, at 76%.
Month by month Minami-Bōsō 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
5°C
5°C
12%
49%
3.8 m/s
1
0
37
February
10°C
6°C
5°C
12%
55%
4.1 m/s
2
0
38
March
14°C
9°C
9°C
26%
62%
4.0 m/s
17
0
62
April
18°C
13°C
14°C
24%
65%
4.1 m/s
49
1
78
May
22°C
17°C
20°C
22%
70%
3.8 m/s
82
10
68
June
25°C
21°C
25°C
24%
76%
3.5 m/s
71
45
30
July
28°C
25°C
31°C
20%
67%
3.6 m/s
18
55
4
August
30°C
26°C
33°C
18%
65%
3.7 m/s
9
44
2
September
27°C
23°C
28°C
24%
71%
3.5 m/s
39
53
15
October
22°C
18°C
20°C
24%
69%
3.6 m/s
69
21
59
November
17°C
13°C
15°C
20%
60%
3.5 m/s
49
1
79
December
12°C
7°C
8°C
12%
52%
3.7 m/s
7
0
59
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 Minami-Bōsō weather by season
Year round, Minami-Bōsō 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 5°C to 26°C through the year, and the average temperature over the year is 17°C around the clock. Rain is most likely around March and least likely around February. 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.
Minami-Bōsō weather in winterDecember to February
High 11°CLow 6°CRain 12%
Winter in Minami-Bōsō has typical daily highs of about 11°C and lows of about 6°C, with a 12% chance of rain on a given day.
Minami-Bōsō weather in springMarch to May
High 18°CLow 13°CRain 24%
Spring in Minami-Bōsō has typical daily highs of about 18°C and lows of about 13°C, with a 24% chance of rain on a given day.
Minami-Bōsō weather in summerJune to August
High 28°CLow 24°CRain 21%
Summer in Minami-Bōsō has typical daily highs of about 28°C and lows of about 24°C, with a 21% chance of rain on a given day.
Minami-Bōsō weather in autumnSeptember to November
High 22°CLow 18°CRain 23%
Autumn in Minami-Bōsō has typical daily highs of about 22°C and lows of about 18°C, with a 23% chance of rain on a given day.
When is the rainy season in Minami-Bōsō?
Minami-Bōsō has no sharply defined rainy season: the chance of rain on a given day runs from 12% in February, the driest month, to 26% in March, the wettest.
What time of year is Minami-Bōsō windiest?
Winds in Minami-Bōsō are highest in February, averaging 4.1 m/s (15 km/h), and lightest in June, at 3.5 m/s (13 km/h). The prevailing wind is from the NW.
What is the average temperature in Minami-Bōsō year round?
The average temperature in Minami-Bōsō over the whole year is 17°C. August is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 5°C.