San Isidro Weather Year-Round — Best Time to Visit
San Isidro, Peru has mild weather year-round. The best time to visit is May (score: 91/100). Annual average high: 21.9°C, total rainfall: 76mm.
When is the best time to visit San Isidro?
91
May is the best month to visit San Isidro with a travel score of 91/100 (Excellent).
Expect highs of 21.6°C, 0 rain days, and 10.9 hours of daily sunshine.
View May weather details →Travel Score by Month
87
Jan
84
Feb
85
Mar
90
Apr
91
May
90
Jun
89
Jul
89
Aug
89
Sep
89
Oct
91
Nov
90
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in San Isidro each month?
21.9°C
Avg High
17.2°C
Avg Low
76mm
Annual Rain
How much rain does San Isidro get?
San Isidro receives 76mm of rain annually. The wettest month is typically February with 23mm, while August is the driest.
What is the weather like each month in San Isidro?
January
87
25°C
Low: 20°C
4 rain days
Excellent
February
84
25°C
Low: 21°C
7 rain days
Excellent
March
85
25°C
Low: 20°C
6 rain days
Excellent
April
90
24°C
Low: 19°C
2 rain days
Excellent
May
Best time to visit91
22°C
Low: 17°C
0 rain days
Excellent
June
90
20°C
Low: 16°C
0 rain days
Excellent
July
89
20°C
Low: 15°C
0 rain days
Excellent
August
89
19°C
Low: 15°C
0 rain days
Excellent
September
89
20°C
Low: 15°C
0 rain days
Excellent
October
89
20°C
Low: 16°C
0 rain days
Excellent
November
91
21°C
Low: 17°C
0 rain days
Excellent
December
90
23°C
Low: 18°C
2 rain days
Excellent
Compare San Isidro
Popular comparisons:
🎉Planning a Trip to Peru?
Check public holidays and long weekends before you book.
What cities are near San Isidro?
Data based on 1994–2024 averages · Last updated: 2024-12-31