Weather in San Juan: January
| Average day temperature: | 89.4°F | |
| Average night temperature: | 75.8°F | |
| Number of sunny days: | 20 days | |
| Day length: | 13.6 - 14.2 hours | |
| 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: 23:22
December 15, monday
0000

68°F
N
13 mph
13 mph
0300

66°F
N
7 mph
7 mph
0600

63°F
N
6 mph
6 mph
0900

70°F
NW
4 mph
4 mph
1200

77°F
W
7 mph
7 mph
1500

82°F
W
7 mph
7 mph
1800

84°F
NW
7 mph
7 mph
2100

77°F
N
7 mph
7 mph



























