Weather in Siena: January
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Average day temperature: | 47.6°F |
| Average night temperature: | 38.0°F | |
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Number of sunny days: | 11 days |
| Day length: | 8.5 - 9.9 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 1.6 in. | |
| more information | ||
14 days
forecast
forecast
| Siena |
weather in
February
February
| Siena |
Air temperature in January, °F
Show year:
2026
2025
2024
The highest day temperature during January of 2026 was 52°F. At the same time the lowest night temperature was 28°F. Daily and nightly averages during January were 46.9°F and 39.3°F.
Sunny, partly cloudy and cloudy days
Number of sunny, partly cloudy and cloudy days in January is almost equal.
Precipitation total in January, in.
Precipitation total value in Siena in January is 1.3 in. Other months of the year show relatively similar values.
Wind speed in January, mph
The average wind speed value in January is 5.4 mph It makes January one of the most 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: 4.6.
Best time for vacation in Siena
Siena on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Siena
Local time: 09:39
March 01, sunday
1200
57°F
N
4 mph
4 mph
1500
59°F
N
6 mph
6 mph
1800
50°F
NE
4 mph
4 mph
2100
46°F
NE
2 mph
2 mph
March 02, monday
0000
45°F
NE
2 mph
2 mph
0300
43°F
NW
2 mph
2 mph
0600
43°F
NW
2 mph
2 mph
0900
50°F
NW
3 mph
3 mph
