Weather in San Juan: January
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Average day temperature: | 89.4°F |
| Average night temperature: | 75.8°F | |
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Number of sunny days: | 20 days |
| Day length: | 13.6 - 14.2 hours | |
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Number of rainy days: | 0 days |
| Precipitation totals: | 0.2 in. | |
| more information | ||
14 days
forecast
forecast
| San Juan |
weather in
February
February
| San Juan |
Air temperature in January, °F
Show year:
2025
2024
2023
The highest day temperature during January of 2025 was 99°F. At the same time the lowest night temperature was 66°F. Daily and nightly averages during January were 90.2°F and 76.4°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 San Juan in January is 0.2 in. Other months of the year show relatively similar values.
Wind speed in January, mph
The average wind speed value in January is 9.1 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: 10.4.
Best time for vacation in San Juan
San Juan on a weather map
Places in Argentina:
Name
°F
24 Hours Forecast
San Juan
Local time: 16:21
January 01, thursday
1800
99°F
W
7 mph
7 mph
2100
81°F
NE
17 mph
17 mph
January 02, friday
0000
86°F
NE
4 mph
4 mph
0300
84°F
SE
2 mph
2 mph
0600
75°F
N
25 mph
25 mph
0900
79°F
NW
25 mph
25 mph
1200
84°F
N
16 mph
16 mph
1500
90°F
NW
11 mph
11 mph
