Koga Weather Year-Round — Best Time to Visit
Koga, Japan has mild weather year-round. The best time to visit is August (score: 73/100). Annual average high: 19.1°C, total rainfall: 1518mm.
When is the best time to visit Koga?
73
August is the best month to visit Koga with a travel score of 73/100 (Good).
Expect highs of 30.4°C, 15 rain days, and 9.4 hours of daily sunshine.
View August weather details →Travel Score by Month
64
Jan
64
Feb
63
Mar
69
Apr
73
May
70
Jun
68
Jul
73
Aug
70
Sep
69
Oct
66
Nov
65
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Koga each month?
19.1°C
Avg High
10.2°C
Avg Low
1518mm
Annual Rain
How much rain does Koga get?
Koga receives 1518mm of rain annually. The wettest month is typically July with 201mm, while January is the driest.
What is the weather like each month in Koga?
January
64
8°C
Low: -2°C
5 rain days
Good
February
64
9°C
Low: -1°C
6 rain days
Good
March
63
13°C
Low: 2°C
11 rain days
Good
April
69
18°C
Low: 8°C
12 rain days
Good
May
73
23°C
Low: 13°C
13 rain days
Good
June
70
26°C
Low: 17°C
15 rain days
Good
July
68
29°C
Low: 22°C
17 rain days
Good
August
Best time to visit73
30°C
Low: 23°C
15 rain days
Good
September
70
26°C
Low: 20°C
15 rain days
Good
October
69
21°C
Low: 13°C
13 rain days
Good
November
66
16°C
Low: 7°C
9 rain days
Good
December
65
10°C
Low: 1°C
6 rain days
Good
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Data based on 1994–2024 averages · Last updated: 2024-12-31