Tehran Weather Year-Round — Best Time to Visit
Tehran, Iran has mild weather year-round. The best time to visit is September (score: 98/100). Annual average high: 21.7°C, total rainfall: 316mm.
When is the best time to visit Tehran?
98
September is the best month to visit Tehran with a travel score of 98/100 (Excellent).
Expect highs of 30.6°C, 1 rain days, and 11.4 hours of daily sunshine.
View September weather details →Travel Score by Month
63
Jan
66
Feb
74
Mar
83
Apr
95
May
97
Jun
90
Jul
93
Aug
98
Sep
93
Oct
74
Nov
65
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Tehran each month?
21.7°C
Avg High
10.5°C
Avg Low
316mm
Annual Rain
How much rain does Tehran get?
Tehran receives 316mm of rain annually. The wettest month is typically March with 56mm, while August is the driest.
What is the weather like each month in Tehran?
January
63
7°C
Low: -4°C
7 rain days
Good
February
66
9°C
Low: -2°C
8 rain days
Good
March
74
15°C
Low: 3°C
8 rain days
Good
April
83
21°C
Low: 9°C
8 rain days
Excellent
May
95
28°C
Low: 15°C
4 rain days
Excellent
June
97
34°C
Low: 21°C
1 rain days
Excellent
July
90
36°C
Low: 25°C
1 rain days
Excellent
August
93
35°C
Low: 24°C
1 rain days
Excellent
September
Best time to visit98
31°C
Low: 19°C
1 rain days
Excellent
October
93
23°C
Low: 13°C
3 rain days
Excellent
November
74
14°C
Low: 5°C
7 rain days
Good
December
65
8°C
Low: -1°C
6 rain days
Good
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What cities are near Tehran?
Data based on 1994–2024 averages · Last updated: 2024-12-31