Annual mean 16°C · wettest around June · prevailing wind N
Warmest
32.1 °C
Coldest
7.0 °C
Wettest
24%
Windiest
3.7 m/s
Prevailing
N
3.1 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 Okayama over the whole year is 16°C. August is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 2°C. Okayama has no sharply defined rainy season: the chance of rain on a given day runs from 8% in January, the driest month, to 20% in June, the wettest. Winds in Okayama are highest in January, averaging 2.8 m/s (10 km/h), and lightest in July, at 2.2 m/s (8 km/h). The prevailing wind is from the N. The clearest skies in Okayama come in November, when the sky is typically 62% covered; September is the cloudiest month, at 77%.
Month by month Okayama 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
8°C
2°C
3°C
8%
66%
2.8 m/s
0
0
27
February
8°C
2°C
4°C
11%
67%
2.8 m/s
1
0
29
March
13°C
6°C
9°C
16%
66%
2.6 m/s
15
0
65
April
18°C
10°C
15°C
15%
67%
2.6 m/s
58
2
83
May
22°C
15°C
21°C
16%
71%
2.5 m/s
85
20
64
June
25°C
20°C
26°C
20%
77%
2.3 m/s
60
55
22
July
30°C
24°C
33°C
19%
75%
2.2 m/s
9
44
1
August
31°C
25°C
34°C
13%
68%
2.4 m/s
5
28
0
September
27°C
22°C
29°C
18%
77%
2.3 m/s
37
58
11
October
22°C
15°C
21°C
13%
69%
2.2 m/s
79
22
64
November
16°C
9°C
13°C
8%
62%
2.2 m/s
45
1
85
December
10°C
4°C
6°C
8%
66%
2.7 m/s
3
0
46
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 Okayama weather by season
Year round, Okayama has days of about 8°C at their warmest in January, its coolest month, and 31°C in August, its warmest; the coolest hours of the day run from 2°C to 25°C through the year, and the average temperature over the year is 16°C around the clock. Rain is most likely around June 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.
Okayama weather in winterDecember to February
High 8°CLow 3°CRain 9%
Winter in Okayama has typical daily highs of about 8°C and lows of about 3°C, with a 9% chance of rain on a given day.
Okayama weather in springMarch to May
High 18°CLow 10°CRain 16%
Spring in Okayama has typical daily highs of about 18°C and lows of about 10°C, with a 16% chance of rain on a given day.
Okayama weather in summerJune to August
High 29°CLow 23°CRain 17%
Summer in Okayama has typical daily highs of about 29°C and lows of about 23°C, with a 17% chance of rain on a given day.
Okayama weather in autumnSeptember to November
High 21°CLow 15°CRain 13%
Autumn in Okayama has typical daily highs of about 21°C and lows of about 15°C, with a 13% chance of rain on a given day.
When is the rainy season in Okayama?
Okayama has no sharply defined rainy season: the chance of rain on a given day runs from 8% in January, the driest month, to 20% in June, the wettest.
What time of year is Okayama windiest?
Winds in Okayama are highest in January, averaging 2.8 m/s (10 km/h), and lightest in July, at 2.2 m/s (8 km/h). The prevailing wind is from the N.
What is the average temperature in Okayama year round?
The average temperature in Okayama over the whole year is 16°C. August is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 2°C.