San Juan Weather Year-Round — Best Time to Visit
San Juan, Argentina has warm weather year-round. The best time to visit is November (score: 96/100). Annual average high: 24.5°C, total rainfall: 164mm.
When is the best time to visit San Juan?
96
November is the best month to visit San Juan with a travel score of 96/100 (Excellent).
Expect highs of 29°C, 2 rain days, and 12.9 hours of daily sunshine.
View November weather details →Travel Score by Month
96
Jan
96
Feb
96
Mar
94
Apr
87
May
83
Jun
83
Jul
87
Aug
90
Sep
94
Oct
96
Nov
96
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in San Juan each month?
24.5°C
Avg High
11.8°C
Avg Low
164mm
Annual Rain
How much rain does San Juan get?
San Juan receives 164mm of rain annually. The wettest month is typically March with 22mm, while July is the driest.
What is the weather like each month in San Juan?
January
96
32°C
Low: 20°C
3 rain days
Excellent
February
96
30°C
Low: 19°C
3 rain days
Excellent
March
96
28°C
Low: 16°C
3 rain days
Excellent
April
94
24°C
Low: 12°C
3 rain days
Excellent
May
87
20°C
Low: 8°C
2 rain days
Excellent
June
83
17°C
Low: 4°C
2 rain days
Excellent
July
83
17°C
Low: 3°C
2 rain days
Excellent
August
87
20°C
Low: 5°C
2 rain days
Excellent
September
90
22°C
Low: 8°C
3 rain days
Excellent
October
94
26°C
Low: 12°C
3 rain days
Excellent
November
Best time to visit96
29°C
Low: 16°C
2 rain days
Excellent
December
96
31°C
Low: 18°C
3 rain days
Excellent
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What cities are near San Juan?
Data based on 1994–2024 averages · Last updated: 2024-12-31