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San Martin Department

Region · 🇵🇪 Peru
Population 813,381
Area 51,402 km²
Time zone America/Lima
San Martin Department

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San Martin Department — Map

San Martin Department — Map

Climate & when to visit

Best time to visit: June, July, August

Select a month

Typical weather in January

Good
  • 25° (feels like 27°) · extremes 15°–29°
  • 17° at night
  • 14 rainy days
  • 1 sunny day
  • 5 hours of sunshine per day
  • Comfortable humidity
  • Calm winds
  • UV index 9 · very high

Typical weather in February

Good
  • 25° (feels like 26°) · extremes 15°–29°
  • 17° at night
  • 16 rainy days
  • 0 sunny days
  • 4 hours of sunshine per day
  • Humid air
  • Calm winds
  • UV index 9 · very high

Typical weather in March

Good
  • 24° (feels like 26°) · extremes 15°–29°
  • 17° at night
  • 18 rainy days
  • 0 sunny days
  • 4 hours of sunshine per day
  • Humid air
  • Calm winds
  • UV index 9 · very high

Typical weather in April

Good
  • 24° (feels like 26°) · extremes 14°–28°
  • 16° at night
  • 15 rainy days
  • 2 sunny days
  • 5 hours of sunshine per day
  • Humid air
  • Calm winds
  • UV index 9 · very high

Typical weather in May

Good
  • 24° (feels like 26°) · extremes 14°–28°
  • 16° at night
  • 13 rainy days
  • 2 sunny days
  • 5 hours of sunshine per day
  • Humid air
  • Calm winds
  • UV index 8 · very high

Typical weather in June

Great
  • 25° (feels like 26°) · extremes 13°–28°
  • 15° at night
  • 9 rainy days
  • 4 sunny days
  • 6 hours of sunshine per day
  • Comfortable humidity
  • Calm winds
  • UV index 7 · high

Typical weather in July

Great
  • 26° (feels like 27°) · extremes 13°–29°
  • 15° at night
  • 7 rainy days
  • 7 sunny days
  • 6 hours of sunshine per day
  • Comfortable humidity
  • Calm winds
  • UV index 8 · very high

Typical weather in August

Great
  • 28° · extremes 14°–31°
  • 16° at night
  • 7 rainy days
  • 8 sunny days
  • 6 hours of sunshine per day
  • Comfortable humidity
  • Calm winds
  • UV index 8 · very high

Typical weather in September

Good
  • 28° (feels like 29°) · extremes 15°–32°
  • 17° at night
  • 10 rainy days
  • 5 sunny days
  • 6 hours of sunshine per day
  • Comfortable humidity
  • Calm winds
  • UV index 9 · very high

Typical weather in October

Good
  • 27° (feels like 29°) · extremes 15°–31°
  • 17° at night
  • 13 rainy days
  • 4 sunny days
  • 5 hours of sunshine per day
  • Comfortable humidity
  • Calm winds
  • UV index 10 · very high

Typical weather in November

Good
  • 26° (feels like 27°) · extremes 15°–30°
  • 17° at night
  • 14 rainy days
  • 2 sunny days
  • 5 hours of sunshine per day
  • Humid air
  • Calm winds
  • UV index 9 · very high

Typical weather in December

Good
  • 25° (feels like 27°) · extremes 15°–29°
  • 17° at night
  • 14 rainy days
  • 1 sunny day
  • 5 hours of sunshine per day
  • Humid air
  • Calm winds
  • UV index 9 · very high

Climate data: NASA POWER (MERRA-2) · 1996–2025

Practical information

Currency
Peruvian Sol PEN · Card payments · Commonly accepted
Emergency numbers
911
Electricity
Type A / Type B / Type C
220 V · 60 Hz
Languages
Aymara, Spanish, Quechua
Tap water
Not safe to drink
Driving side
Right
Calling code
+51
Learn more

Tours & Activities

Riverside Hotel
Taxi · 8 min
San Martin Department
2h
Walk · 6 min
Corner Café
45 min
Walk · 18 min
Riverside Hotel

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