Jōetsu Weather Year-Round — Best Time to Visit
Jōetsu, Japan has mild weather year-round. The best time to visit is June (score: 74/100). Annual average high: 16.9°C, total rainfall: 2228mm.
When is the best time to visit Jōetsu?
74
June is the best month to visit Jōetsu with a travel score of 74/100 (Good).
Expect highs of 24.4°C, 15 rain days, and 9.4 hours of daily sunshine.
View June weather details →Travel Score by Month
36
Jan
38
Feb
47
Mar
63
Apr
72
May
74
Jun
67
Jul
70
Aug
69
Sep
64
Oct
51
Nov
39
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Jōetsu each month?
16.9°C
Avg High
9.7°C
Avg Low
2228mm
Annual Rain
How much rain does Jōetsu get?
Jōetsu receives 2228mm of rain annually. The wettest month is typically December with 261mm, while April is the driest.
What is the weather like each month in Jōetsu?
January
36
4°C
Low: -1°C
25 rain days
Poor
February
38
5°C
Low: -1°C
20 rain days
Poor
March
47
9°C
Low: 1°C
19 rain days
Mixed
April
63
15°C
Low: 6°C
14 rain days
Good
May
72
21°C
Low: 12°C
13 rain days
Good
June
Best time to visit74
24°C
Low: 17°C
15 rain days
Good
July
67
28°C
Low: 21°C
19 rain days
Good
August
70
30°C
Low: 23°C
18 rain days
Good
September
69
26°C
Low: 19°C
16 rain days
Good
October
64
20°C
Low: 13°C
16 rain days
Good
November
51
14°C
Low: 7°C
18 rain days
Mixed
December
39
8°C
Low: 2°C
23 rain days
Poor
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Data based on 1994–2024 averages · Last updated: 2024-12-31