Weather in Tehran: January
| Average day temperature: | 46.9°F | |
| Average night temperature: | 34.0°F | |
| Number of sunny days: | 23 days | |
| Day length: | 9.8 - 10.4 hours | |
| Number of rainy days: | 1 day | |
| Precipitation totals: | 1.0 in. | |
| more information | ||
14 days
forecast
forecast
| Tehran |
weather in
February
February
| Tehran |
Air temperature in January, °F
Show year:
2026
2025
2024
The highest day temperature during January of 2026 was 50°F. At the same time the lowest night temperature was 21°F. Daily and nightly averages during January were 42.9°F and 34.7°F.
Sunny, partly cloudy and cloudy days
Mostly all days in January are sunny but cloudy days are also possible.
Precipitation total in January, in.
Precipitation total value in Tehran in January is 1.2 in. Other months of the year show relatively similar values.
Wind speed in January, mph
The average wind speed value in January is 4.3 mph It makes January one of the least windy months of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 7.3.
Best time for vacation in Tehran
Tehran on a weather map
Places in Iran:
Name
°F
24 Hours Forecast
Tehran
Local time: 03:02
February 25, wednesday
0600

48°F
E
12 mph
12 mph
0900

48°F
SE
14 mph
14 mph
1200

54°F
E
15 mph
15 mph
1500

57°F
E
18 mph
18 mph
1800

54°F
SE
13 mph
13 mph
2100

52°F
SE
9 mph
9 mph
February 26, thursday
0000

50°F
SE
6 mph
6 mph
0300

48°F
SE
6 mph
6 mph


























