Annual mean 16°C · wettest around June · prevailing wind NE
Warmest
31.7 °C
Coldest
7.9 °C
Wettest
35%
Windiest
4.0 m/s
Prevailing
NE
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 Sayama 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 1°C. The rainy (wet) season in Sayama runs from March to October, peaking in June with a 30% chance of rain on a given day. The dry season is November to February; December is the driest month, at 13%. Winds in Sayama are highest in April, averaging 3.1 m/s (11 km/h), and lightest in November, at 2.4 m/s (9 km/h). The prevailing wind is from the NE. The clearest skies in Sayama come in January, when the sky is typically 39% covered; September is the cloudiest month, at 68%.
Month by month Sayama 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
1°C
3°C
13%
39%
2.6 m/s
0
0
27
February
9°C
2°C
4°C
15%
45%
3.0 m/s
2
0
32
March
13°C
6°C
9°C
24%
52%
3.0 m/s
16
0
60
April
18°C
11°C
15°C
25%
57%
3.1 m/s
51
3
76
May
22°C
16°C
21°C
25%
61%
2.9 m/s
78
19
60
June
25°C
20°C
26°C
30%
67%
2.6 m/s
59
46
26
July
29°C
24°C
32°C
26%
65%
2.5 m/s
17
40
5
August
31°C
25°C
34°C
26%
64%
2.7 m/s
9
31
2
September
26°C
21°C
28°C
27%
68%
2.5 m/s
42
48
17
October
21°C
15°C
19°C
25%
62%
2.5 m/s
69
17
63
November
16°C
9°C
13°C
16%
50%
2.4 m/s
41
0
81
December
11°C
4°C
7°C
13%
41%
2.4 m/s
4
0
50
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 Sayama weather by season
Year round, Sayama 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 1°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 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.
Sayama weather in winterDecember to February
High 9°CLow 2°CRain 14%
Winter in Sayama has typical daily highs of about 9°C and lows of about 2°C, with a 14% chance of rain on a given day.
Sayama weather in springMarch to May
High 18°CLow 11°CRain 25%
Spring in Sayama has typical daily highs of about 18°C and lows of about 11°C, with a 25% chance of rain on a given day.
Sayama weather in summerJune to August
High 28°CLow 23°CRain 27%
Summer in Sayama has typical daily highs of about 28°C and lows of about 23°C, with a 27% chance of rain on a given day.
Sayama weather in autumnSeptember to November
High 21°CLow 15°CRain 23%
Autumn in Sayama has typical daily highs of about 21°C and lows of about 15°C, with a 23% chance of rain on a given day.
When is the rainy season in Sayama?
The rainy (wet) season in Sayama runs from March to October, peaking in June with a 30% chance of rain on a given day. The dry season is November to February; December is the driest month, at 13%.
What time of year is Sayama windiest?
Winds in Sayama are highest in April, averaging 3.1 m/s (11 km/h), and lightest in November, at 2.4 m/s (9 km/h). The prevailing wind is from the NE.
What is the average temperature in Sayama year round?
The average temperature in Sayama 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 1°C.