San Marcos Weather Year-Round — Best Time to Visit
San Marcos, El Salvador has hot weather year-round. The best time to visit is February (score: 99/100). Annual average high: 28.8°C, total rainfall: 1531mm.
When is the best time to visit San Marcos?
99
February is the best month to visit San Marcos with a travel score of 99/100 (Excellent).
Expect highs of 30.7°C, 1 rain days, and 11.3 hours of daily sunshine.
View February weather details →Travel Score by Month
99
Jan
99
Feb
95
Mar
83
Apr
68
May
66
Jun
68
Jul
67
Aug
66
Sep
66
Oct
85
Nov
96
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in San Marcos each month?
28.8°C
Avg High
20.1°C
Avg Low
1531mm
Annual Rain
How much rain does San Marcos get?
San Marcos receives 1531mm of rain annually. The wettest month is typically September with 285mm, while January is the driest.
What is the weather like each month in San Marcos?
January
99
30°C
Low: 19°C
1 rain days
Excellent
February
Best time to visit99
31°C
Low: 19°C
1 rain days
Excellent
March
95
31°C
Low: 20°C
3 rain days
Excellent
April
83
31°C
Low: 21°C
12 rain days
Excellent
May
68
29°C
Low: 21°C
24 rain days
Good
June
66
28°C
Low: 21°C
26 rain days
Good
July
68
29°C
Low: 21°C
22 rain days
Good
August
67
28°C
Low: 21°C
25 rain days
Good
September
66
27°C
Low: 21°C
28 rain days
Good
October
66
27°C
Low: 20°C
23 rain days
Good
November
85
28°C
Low: 19°C
9 rain days
Excellent
December
96
29°C
Low: 19°C
2 rain days
Excellent
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Data based on 1994–2024 averages · Last updated: 2024-12-31