San Martín, Peru Weather

  1. San Martín, Peru Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in San Martín over the next 12 hours
  7. Temperature and possibility of rain in San Martín in the coming days
  8. Rainfall in San Martín in the coming days
  9. San Martín Weather Summary
  10. Weather averages by month
  11. San Martín's weather
  12. Frequently asked questions
  13. Comments
San Martín, Weather
(Photo by Scott Umstattd on Unsplash)

Current conditions

Updated:
31°C
87.8°F
°C °F

Condition: Clear Sky

Pressure: 976 hPa

Feel like: 36 °C

Temperature: 31°C

Cloud: 4%

Humidity: 49%

Wind: ESE - 4 km/h

Visibility: 34.36 km

Weather forecast

Fri
18 Sep
22°C / 30°C
Drizzle
Sat
19 Sep
21°C / 34°C
Moderate Drizzle
Sun
20 Sep
22°C / 34°C
Drizzle
Mon
21 Sep
22°C / 34°C
Drizzle
Tue
22 Sep
22°C / 33°C
Drizzle
Hourly forecast today:
18:00 PM
19° / 31°
19° / 31°
Clear Sky
49% 21 km/h
19:00 PM
19° / 32°
19° / 32°
Clear Sky
46% 21 km/h
20:00 PM
19° / 31°
19° / 31°
Drizzle
48% 27 km/h
21:00 PM
21° / 29°
21° / 29°
Drizzle
64% 32 km/h
22:00 PM
22° / 27°
22° / 27°
Drizzle
73% 28 km/h
23:00 PM
24° / 25°
24° / 25°
Mainly Clear
90% 12 km/h
00:00 AM
23° / 25°
23° / 25°
Mainly Clear
92% 4 km/h
01:00 AM
23° / 24°
23° / 24°
Drizzle
92% 18 km/h
02:00 AM
22° / 24°
22° / 24°
Drizzle
91% 18 km/h
03:00 AM
22° / 23°
22° / 23°
Overcast
92% 15 km/h
04:00 AM
22° / 23°
22° / 23°
Overcast
94% 15 km/h

30 Day Averages and Extremes

  • Average high 32.2°C
  • Average low 21.9°C
  • Hottest day 35°C (27 September 2026)
  • Coldest day 20°C (09 September 2026)
  • Average humidity 78.3%
  • Days with precipitation 30 days
  • Highest precipitation 78 mm (14 September 2026)

Yesterday's Data

  • Max: 31°C
  • Min: 21°C
  • Total Precipitation: 5 mm

Temperature and possibility of rain in San Martín over the next 12 hours

Temperature and possibility of rain in San Martín in the coming days

Rainfall in San Martín in the coming days

San Martín Climate Summary

San Martín features a Tropical rainforest (Köppen classification: Af), with an average annual temperature of 26.5ºC (79.7ºF), which is about 8.87% higher than the national average for Peru. Annually, the city experiences approximately 223.6 millimeters (8.8 inches) of rainfall, spread across 243.11 rainy days, accounting for 66.61% of the year.

Longitude -7.2444881
Latitude -76.8259652
Yearly high temperature 31.5ºC (88.7ºF)
Yearly low temperature 19.09ºC (66.36ºF)
Hottest month January 30.65ºC (87.17ºF)
Coldest month April 19.21ºC (66.58ºF)
Yearly precip 223.6mm (8.8in)
Days with rainfall 243.11 days (66.61%)
Driest month August (64.49%)
Wettest month February (80.88%)

Weather averages by month

Month High / Low (°C) Rain
January 30.65° / 19.72° 24.36 days
February 29.95° / 19.96° 24.82 days
March 30.96° / 19.62° 25.73 days
April 31.57° / 19.21° 21.82 days
May 31.66° / 18.89° 19.64 days
June 31.35° / 17.83° 15.18 days
July 31.23° / 17.6° 13.91 days
August 32.68° / 18.42° 12.64 days
September 32.96° / 19.03° 15.91 days
October 32.3° / 19.42° 22.64 days
November 31.93° / 19.85° 22.91 days
December 30.76° / 19.54° 23.55 days

San Martín's weather

Frequently asked questions

1. What is the hottest month in San Martín?

January has the highest average monthly temperature (daily mean of 30.65ºC) and April are the coolest (daily mean of 19.21ºC).

2. What should I wear in San Martín today?

For today's very hot weather in San Martín, with the high temperatures above 32ºC (89.6ºF), consider wearing:
- UV-blocking sunglasses
- Airy sandals or flip-flops
- Lightweight, loose-fitting shorts
- Light, natural fabrics (like cotton or linen)

Temperature

Early
22°C / 23°C
Morning
21°C / 22°C
Afternoon
20°C / 27°C
Evening
21°C / 29°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 429
  • CO 263
  • NH3 0
  • NO2 0
  • O3 67
  • PM10 7
  • PM25 7
  • SO2 0
  • CH4 1,382

Sunrise / Sunset

10:59
23:03