Sayama Weather Year-Round — Best Time to Visit
Sayama, Japan has mild weather year-round. The best time to visit is August (score: 74/100). Annual average high: 18.7°C, total rainfall: 1545mm.
When is the best time to visit Sayama?
74
August is the best month to visit Sayama with a travel score of 74/100 (Good).
Expect highs of 29.8°C, 15 rain days, and 9.7 hours of daily sunshine.
View August weather details →Travel Score by Month
62
Jan
62
Feb
60
Mar
67
Apr
72
May
70
Jun
70
Jul
74
Aug
71
Sep
68
Oct
65
Nov
63
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Sayama each month?
18.7°C
Avg High
10°C
Avg Low
1545mm
Annual Rain
How much rain does Sayama get?
Sayama receives 1545mm of rain annually. The wettest month is typically September with 202mm, while December is the driest.
What is the weather like each month in Sayama?
January
62
8°C
Low: -2°C
7 rain days
Good
February
62
9°C
Low: -1°C
8 rain days
Good
March
60
13°C
Low: 2°C
12 rain days
Mixed
April
67
18°C
Low: 7°C
12 rain days
Good
May
72
22°C
Low: 13°C
13 rain days
Good
June
70
25°C
Low: 17°C
15 rain days
Good
July
70
29°C
Low: 22°C
16 rain days
Good
August
Best time to visit74
30°C
Low: 23°C
15 rain days
Good
September
71
26°C
Low: 19°C
14 rain days
Good
October
68
20°C
Low: 13°C
12 rain days
Good
November
65
15°C
Low: 7°C
9 rain days
Good
December
63
10°C
Low: 1°C
7 rain days
Good
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Data based on 1994–2024 averages · Last updated: 2024-12-31