Climate normals · 1970–2000
San Martin Climate
San Martin is a city in Peru (20) with a population of about 130,000. Its average annual temperature is 23.3°C (74°F), with roughly 63 mm of rain per year.
23.3°C
Avg Temp
63
Precip (mm/yr)
Feb
Hottest Month
Aug
Coldest Month
San Martin Climate
San Martin has an average annual temperature of 23.3°C (74°F) and receives about 63 mm of precipitation per year. The warmest month is February and the coldest is August. Figures are 1970–2000 climate normals.
23.3°C
Avg Temp
63
Precip (mm/yr)
Feb
Hottest Month
Aug
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 26° / 78° | 9 mm |
| February | 27° / 80° | 12 mm |
| March | 27° / 80° | 22 mm |
| April | 26° / 78° | 7 mm |
| May | 24° / 75° | 2 mm |
| June | 22° / 71° | 2 mm |
| July | 21° / 69° | 1 mm |
| August | 20° / 69° | 2 mm |
| September | 21° / 69° | 1 mm |
| October | 21° / 70° | 1 mm |
| November | 22° / 72° | 1 mm |
| December | 24° / 75° | 3 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit San Martin
The most comfortable months to visit San Martin are typically October, July and September, when temperatures are mildest and rainfall is relatively low. The hottest month is February (around 33°C high). The coldest is August (near 14°C low). March is usually the wettest month.
Where to stay near San Martin
Planning a trip to San Martin? Compare hotels and short-term rentals — live availability and prices.
Top-rated places to stay near San Martin
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip to San Martin?
Get climate tips and the best lodging deals for San Martin by email. No spam, unsubscribe anytime.
Other cities in Peru
Frequently Asked Questions
The most comfortable months to visit San Martin are typically October, July and September, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
San Martin, Peru has an average annual temperature of 23.3°C and about 63 mm of precipitation per year. The warmest month is February and the coldest is August.
In February, the hottest month, daily highs in San Martin average about 33°C (91°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.