Climate of San Martín, Peru
Area-weighted average across San Martín. For where people actually live and travel, see the cities below.
San Martín, a subdivision of Peru, has a tropical climate on average. Area-weighted monthly temperatures across the whole territory range from 21.7°C / 71.1°F in July to 22.9°C / 73.2°F in November, with rainfall from 77 mm / 3 in to 200 mm / 7.9 in depending on the season (1609 mm / 63.3 in total across the year). See the city listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 22.5°C72.5°F | 155 mm6.1″ | Tropical |
| February | 22.3°C72.1°F | 157 mm6.2″ | Tropical |
| March | 22.3°C72.1°F | 200 mm7.9″ | Tropical |
| April | 22.4°C72.3°F | 166 mm6.5″ | Tropical |
| May | 22.4°C72.3°F | 116 mm4.6″ | Tropical |
| June | 22°C71.6°F | 87 mm3.4″ | Tropical |
| July | 21.7°C71.1°F | 77 mm3″ | — |
| August | 22.1°C71.8°F | 80 mm3.1″ | Tropical |
| September | 22.5°C72.5°F | 110 mm4.3″ | Tropical |
| October | 22.8°C73°F | 158 mm6.2″ | Tropical |
| November | 22.9°C73.2°F | 161 mm6.3″ | Tropical |
| December | 22.8°C73°F | 142 mm5.6″ | Tropical |
Frequently asked questions
What is the best time to visit San Martín?
San Martín, Peru does not have a clear sunny-and-dry window by our cutoffs. The warmest month is November at 22.9°C / 73.2°F, and the driest is July at 77 mm / 3 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of San Martín?
San Martín, Peru has area-weighted monthly average temperatures ranging from 21.7°C / 71.1°F in July to 22.9°C / 73.2°F in November. Annual rainfall averages about 1609 mm / 63.3 in, with the wettest month being March (200 mm / 7.9 in) and the driest July (77 mm / 3 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in San Martín?
The hottest month in San Martín is November, with an area-wide average temperature of 22.9°C / 73.2°F.
What is the coldest month in San Martín?
The coldest month in San Martín is July, with an area-wide average temperature of 21.7°C / 71.1°F.
When does it rain most in San Martín?
The wettest month in San Martín is March, averaging about 200 mm / 7.9 in of rainfall. The driest is July with about 77 mm / 3 in.