Annual mean 15°C · wettest around September · prevailing wind E
Warmest
30.7 °C
Coldest
6.8 °C
Wettest
30%
Windiest
3.9 m/s
Prevailing
E
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 Oyama over the whole year is 15°C. August is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 0°C. The rainy (wet) season in Oyama runs from March to October, peaking in September with a 23% chance of rain on a given day. The dry season is November to February; December is the driest month, at 6%. Winds in Oyama are highest in April, averaging 3.2 m/s (12 km/h), and lightest in November, at 2.4 m/s (9 km/h). The prevailing wind is from the E. The clearest skies in Oyama come in January, when the sky is typically 44% covered; September is the cloudiest month, at 77%.
Month by month Oyama 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
7°C
0°C
2°C
6%
44%
2.8 m/s
0
0
21
February
8°C
1°C
3°C
8%
51%
3.0 m/s
1
0
26
March
12°C
5°C
8°C
16%
59%
3.1 m/s
14
0
55
April
17°C
10°C
14°C
18%
66%
3.2 m/s
45
2
75
May
21°C
15°C
20°C
19%
70%
3.0 m/s
75
15
65
June
25°C
19°C
25°C
23%
74%
2.7 m/s
62
41
31
July
28°C
23°C
31°C
23%
76%
2.6 m/s
23
40
9
August
30°C
25°C
33°C
21%
74%
2.8 m/s
16
35
5
September
26°C
21°C
27°C
23%
77%
2.6 m/s
47
45
22
October
20°C
14°C
19°C
20%
70%
2.5 m/s
68
15
67
November
15°C
8°C
12°C
10%
56%
2.4 m/s
37
0
78
December
10°C
3°C
5°C
6%
46%
2.5 m/s
3
0
42
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 Oyama weather by season
Year round, Oyama has days of about 7°C at their warmest in January, its coolest month, and 30°C in August, its warmest; the coolest hours of the day run from 0°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 September and least likely around December. 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.
Oyama weather in winterDecember to February
High 8°CLow 1°CRain 7%
Winter in Oyama has typical daily highs of about 8°C and lows of about 1°C, with a 7% chance of rain on a given day.
Oyama weather in springMarch to May
High 17°CLow 10°CRain 18%
Spring in Oyama has typical daily highs of about 17°C and lows of about 10°C, with a 18% chance of rain on a given day.
Oyama weather in summerJune to August
High 28°CLow 22°CRain 22%
Summer in Oyama has typical daily highs of about 28°C and lows of about 22°C, with a 22% chance of rain on a given day.
Oyama weather in autumnSeptember to November
High 20°CLow 14°CRain 18%
Autumn in Oyama has typical daily highs of about 20°C and lows of about 14°C, with a 18% chance of rain on a given day.
When is the rainy season in Oyama?
The rainy (wet) season in Oyama runs from March to October, peaking in September with a 23% chance of rain on a given day. The dry season is November to February; December is the driest month, at 6%.
What time of year is Oyama windiest?
Winds in Oyama are highest in April, averaging 3.2 m/s (12 km/h), and lightest in November, at 2.4 m/s (9 km/h). The prevailing wind is from the E.
What is the average temperature in Oyama year round?
The average temperature in Oyama over the whole year is 15°C. August is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 0°C.