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:
25°C
77.0°F
°C °F

Condition: Clear Sky

Pressure: 975 hPa

Feel like: 30 °C

Temperature: 25°C

Cloud: 6%

Humidity: 83%

Wind: S - 3 km/h

Visibility: 32.54 km

Weather forecast

Wed
29 Jul
21°C / 31°C
Drizzle Dense Intensity
Thu
30 Jul
21°C / 32°C
Drizzle
Fri
31 Jul
21°C / 31°C
Drizzle
Sat
01 Aug
22°C / 31°C
Slight Rain Showers
Sun
02 Aug
21°C / 30°C
Moderate Drizzle
Hourly forecast today:
03:00 AM
22° / 25°
22° / 25°
Clear Sky
83% 10 km/h
04:00 AM
22° / 24°
22° / 24°
Clear Sky
85% 10 km/h
05:00 AM
22° / 24°
22° / 24°
Mainly Clear
89% 10 km/h
06:00 AM
22° / 23°
22° / 23°
Clear Sky
90% 9 km/h
07:00 AM
21° / 22°
21° / 22°
Clear Sky
94% 7 km/h
08:00 AM
21° / 22°
21° / 22°
Clear Sky
96% 5 km/h
09:00 AM
21° / 22°
21° / 22°
Clear Sky
96% 5 km/h
10:00 AM
21° / 22°
21° / 22°
Mainly Clear
94% 5 km/h
11:00 AM
21° / 21°
21° / 21°
Clear Sky
94% 7 km/h
12:00 PM
21° / 22°
21° / 22°
Clear Sky
91% 5 km/h
13:00 PM
21° / 25°
21° / 25°
Mainly Clear
80% 9 km/h

30 Day Averages and Extremes

  • Average high 30.6°C
  • Average low 20.8°C
  • Hottest day 33°C (11 August 2026)
  • Coldest day 19°C (11 August 2026)
  • Average humidity 80.33%
  • Days with precipitation 30 days
  • Highest precipitation 74 mm (13 July 2026)

Yesterday's Data

  • Max: 32°C
  • Min: 21°C
  • Total Precipitation: 2 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 31ºC (87.8ºF), consider wearing:
- High SPF sunscreen for outdoor activities
- UV-blocking sunglasses
- Light, natural fabrics (like cotton or linen)
- Broad-brimmed sun hat

Temperature

Early
22°C / 25°C
Morning
21°C / 22°C
Afternoon
22°C / 27°C
Evening
20°C / 30°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 549
  • CO 145
  • NH3 0
  • NO2 5
  • O3 29
  • PM10 6
  • PM25 6
  • SO2 0
  • CH4 1,386

Sunrise / Sunset

11:20
23:07