Iwaki Weather Year-Round — Best Time to Visit
Iwaki, Japan has mild weather year-round. The best time to visit is August (score: 72/100). Annual average high: 17.2°C, total rainfall: 1485mm.
When is the best time to visit Iwaki?
72
August is the best month to visit Iwaki with a travel score of 72/100 (Good).
Expect highs of 27.8°C, 15 rain days, and 9.6 hours of daily sunshine.
View August weather details →Travel Score by Month
62
Jan
62
Feb
61
Mar
67
Apr
71
May
71
Jun
68
Jul
72
Aug
70
Sep
69
Oct
68
Nov
63
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Iwaki each month?
17.2°C
Avg High
10.7°C
Avg Low
1485mm
Annual Rain
How much rain does Iwaki get?
Iwaki receives 1485mm of rain annually. The wettest month is typically July with 183mm, while February is the driest.
What is the weather like each month in Iwaki?
January
62
7°C
Low: 1°C
6 rain days
Good
February
62
8°C
Low: 1°C
7 rain days
Good
March
61
11°C
Low: 3°C
11 rain days
Good
April
67
16°C
Low: 8°C
12 rain days
Good
May
71
20°C
Low: 13°C
12 rain days
Good
June
71
23°C
Low: 17°C
14 rain days
Good
July
68
27°C
Low: 21°C
17 rain days
Good
August
Best time to visit72
28°C
Low: 22°C
15 rain days
Good
September
70
25°C
Low: 19°C
14 rain days
Good
October
69
20°C
Low: 14°C
12 rain days
Good
November
68
15°C
Low: 8°C
8 rain days
Good
December
63
9°C
Low: 3°C
7 rain days
Good
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Data based on 1994–2024 averages · Last updated: 2024-12-31