Weather in San Juan: December
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Average day temperature: | 88.2°F |
| Average night temperature: | 72.6°F | |
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Number of sunny days: | 23 days |
| Day length: | 14.0 - 14.2 hours | |
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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:
2023
2022
2021
The highest day temperature during December of 2023 was 105°F. At the same time the lowest night temperature was 54°F. Day and night temperature averages during December were 87.1°F and 71.8°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 9.7 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: 10.9.
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: 02:31
December 22, sunday
0300
73°F
N
11 mph
11 mph
0600
72°F
N
4 mph
4 mph
0900
79°F
NW
7 mph
7 mph
1200
86°F
W
5 mph
5 mph
1500
91°F
SW
4 mph
4 mph
1800
95°F
SW
9 mph
9 mph
2100
88°F
S
20 mph
20 mph
December 23, monday
0000
82°F
S
22 mph
22 mph
