San Juan Weather: December
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Average Day Temperature: | 92.1°F |
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Average Night Temperature: | 74.7°F |
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Number of Sunny Days: | 24 days |
Sunshine Hours: | 14.0 - 14.2 hours | |
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Number of Rainy Days: | 0 days |
Precipitation Totals: | 0.1 in | |
detailed information |
14 day weather
forecast
forecast
San Juan |
When is the Best
Time to Visit?
Time to Visit?
San Juan |
Air Temperature in December, °F
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
17
34
51
68
85
102
119
136
Day Temperature | Night Temperature |
The highest day temperature in December 2024 was 100°F. The lowest night temperature was 61°F. The average values for day and night temperatures during December were 90.7°F и 72.7°F respectivly.
Sunny, Cloudy and Gloomy days
Sunny days | |
Cloudy days | |
Gloomy days |
77%
19%
3%
Most of the days in December are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in December, in
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
0.1
0.1
0.2
0.3
0.3
0.4
0.5
0.5
Precipitation total in December for San Juan is 0.1 in. This value is relatively stable throughout the year.
Wind Speed in December, mph
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.7
3.4
5.2
6.9
8.6
10.3
12.1
The average wind speed in December is 10.0 mph. It makes December the most windy month of the year for San Juan.
Average Sunny Hours Per Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
2.0
3.9
5.9
7.8
9.8
11.7
13.7
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for San Juan in December is 11.4 hours.
Argentina Resorts:
NAME
F°
Bahia Blanca | ![]() |
+56 |
Buenos Aires | ![]() |
+60 |
Comodoro Rivadavia | ![]() |
+58 |
Cordoba | ![]() |
+48 |
El Chalten | ![]() |
+50 |
Mar del Plata | ![]() |
+50 |
Mendoza | ![]() |
+56 |
Miramar | ![]() |
+50 |
Puerto Madryn | ![]() |
+58 |
Rio Gallegos | ![]() |
+50 |
Rosario | ![]() |
+50 |
Salta | ![]() |
+46 |
San Carlos de Bariloche | ![]() |
+42 |
San Juan | ![]() |
+58 |
Ushuaia | ![]() |
+36 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
San Juan
Local time: 02:36
06 apr, sunday
0300 | ![]() |
58°F | S 8 mph |
0600 | ![]() |
54°F | SW 5 mph |
0900 | ![]() |
58°F | SW 2 mph |
1200 | ![]() |
66°F | W 4 mph |
1500 | ![]() |
72°F | W 4 mph |
1800 | ![]() |
74°F | NW 11 mph |
2100 | ![]() |
66°F | NW 5 mph |
07 apr, monday
0000 | ![]() |
62°F | NE 2 mph |