Niiza Weather Year-Round — Best Time to Visit
Niiza, Japan has mild weather year-round. The best time to visit is August (score: 74/100). Annual average high: 19.1°C, total rainfall: 1523mm.
When is the best time to visit Niiza?
74
August is the best month to visit Niiza with a travel score of 74/100 (Good).
Expect highs of 30.5°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
69
Oct
66
Nov
64
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Niiza each month?
19.1°C
Avg High
10.8°C
Avg Low
1523mm
Annual Rain
How much rain does Niiza get?
Niiza receives 1523mm of rain annually. The wettest month is typically September with 197mm, while December is the driest.
What is the weather like each month in Niiza?
January
62
8°C
Low: -1°C
6 rain days
Good
February
62
9°C
Low: 0°C
8 rain days
Good
March
60
13°C
Low: 3°C
12 rain days
Good
April
67
18°C
Low: 8°C
12 rain days
Good
May
72
22°C
Low: 14°C
13 rain days
Good
June
70
25°C
Low: 18°C
15 rain days
Good
July
70
29°C
Low: 22°C
16 rain days
Good
August
Best time to visit74
31°C
Low: 24°C
15 rain days
Good
September
71
27°C
Low: 20°C
14 rain days
Good
October
69
21°C
Low: 14°C
12 rain days
Good
November
66
16°C
Low: 7°C
9 rain days
Good
December
64
11°C
Low: 2°C
7 rain days
Good
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What cities are near Niiza?
Data based on 1994–2024 averages · Last updated: 2024-12-31