Weather in San Juan: December
| Average day temperature: | 87.9°F | |
| Average night temperature: | 72.2°F | |
| Number of sunny days: | 24 days | |
| Day length: | 14.0 - 14.2 hours | |
| Number of rainy days: | 0 days | |
| Precipitation totals: | 0.1 in. | |
| more information | ||
14 days
forecast
forecast
| San Juan |
weather in
January
January
| San Juan |
Air temperature in December, °F
Show year:
2024
2023
2022
The highest day temperature during December of 2024 was 95°F. At the same time the lowest night temperature was 59°F. Daily and nightly averages during December were 86.7°F and 70.5°F.
Sunny, partly cloudy and cloudy days
Mostly all days in December are sunny but cloudy days are also possible.
Precipitation total in December, in.
Precipitation total value in San Juan in December is 0.1 in. Other months of the year show relatively similar values.
Wind speed in December, mph
The average wind speed value in December is 10.0 mph It makes December most windy month 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 December is: 11.4.
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: 05:02
December 05, friday
0600

79°F
S
3 mph
3 mph
0900

86°F
N
2 mph
2 mph
1200

91°F
N
20 mph
20 mph
1500

95°F
N
18 mph
18 mph
1800

93°F
N
21 mph
21 mph
2100

73°F
NW
16 mph
16 mph
December 06, saturday
0000

70°F
NE
9 mph
9 mph
0300

72°F
E
6 mph
6 mph



























