Semnan Weather Year-Round — Best Time to Visit
Semnan, Iran has warm weather year-round. The best time to visit is September (score: 98/100). Annual average high: 22°C, total rainfall: 91mm.
When is the best time to visit Semnan?
98
September is the best month to visit Semnan with a travel score of 98/100 (Excellent).
Expect highs of 30.2°C, 0 rain days, and 11.5 hours of daily sunshine.
View September weather details →Travel Score by Month
70
Jan
75
Feb
81
Mar
90
Apr
96
May
97
Jun
93
Jul
97
Aug
98
Sep
95
Oct
81
Nov
72
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Semnan each month?
22°C
Avg High
11.4°C
Avg Low
91mm
Annual Rain
How much rain does Semnan get?
Semnan receives 91mm of rain annually. The wettest month is typically March with 19mm, while August is the driest.
What is the weather like each month in Semnan?
January
70
7°C
Low: -1°C
3 rain days
Good
February
75
10°C
Low: 1°C
3 rain days
Good
March
81
16°C
Low: 5°C
3 rain days
Excellent
April
90
23°C
Low: 11°C
3 rain days
Excellent
May
96
28°C
Low: 16°C
1 rain days
Excellent
June
97
33°C
Low: 20°C
0 rain days
Excellent
July
93
36°C
Low: 23°C
0 rain days
Excellent
August
97
35°C
Low: 22°C
0 rain days
Excellent
September
Best time to visit98
30°C
Low: 19°C
0 rain days
Excellent
October
95
23°C
Low: 13°C
1 rain days
Excellent
November
81
14°C
Low: 6°C
3 rain days
Excellent
December
72
9°C
Low: 1°C
3 rain days
Good
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What cities are near Semnan?
Data based on 1994–2024 averages · Last updated: 2024-12-31