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:
20°C
68.0°F
°C °F

Condition: Drizzle

Pressure: 975 hPa

Feel like: 24 °C

Temperature: 20°C

Cloud: 95%

Humidity: 94%

Wind: W - 3 km/h

Visibility: 1.3 km

Weather forecast

Thu
06 Aug
21°C / 31°C
Drizzle
Fri
07 Aug
21°C / 32°C
Mainly Clear
Sat
08 Aug
21°C / 32°C
Drizzle
Sun
09 Aug
21°C / 32°C
Slight Rain Showers
Mon
10 Aug
21°C / 31°C
Drizzle
Hourly forecast today:
10:00 AM
20° / 20°
20° / 20°
Drizzle
94% 11 km/h
11:00 AM
20° / 21°
20° / 21°
Drizzle
93% 12 km/h
12:00 PM
20° / 21°
20° / 21°
Partly Cloudy
92% 11 km/h
13:00 PM
20° / 23°
20° / 23°
Overcast
81% 10 km/h
14:00 PM
20° / 24°
20° / 24°
Mainly Clear
75% 12 km/h
15:00 PM
20° / 27°
20° / 27°
Clear Sky
65% 12 km/h
16:00 PM
20° / 28°
20° / 28°
Clear Sky
60% 14 km/h
17:00 PM
20° / 30°
20° / 30°
Clear Sky
54% 17 km/h
18:00 PM
19° / 31°
19° / 31°
Mainly Clear
50% 21 km/h
19:00 PM
20° / 31°
20° / 31°
Drizzle
50% 24 km/h
20:00 PM
20° / 31°
20° / 31°
Clear Sky
50% 24 km/h

30 Day Averages and Extremes

  • Average high 30.97°C
  • Average low 21.03°C
  • Hottest day 33°C (15 August 2026)
  • Coldest day 20°C (26 July 2026)
  • Average humidity 79.6%
  • Days with precipitation 30 days
  • Highest precipitation 70 mm (24 July 2026)

Yesterday's Data

  • Max: 31°C
  • Min: 22°C
  • Total Precipitation: 0 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:
- Sleeveless tops or vests
- Broad-brimmed sun hat
- Light, natural fabrics (like cotton or linen)
- Ultra-thin, breathable socks

Temperature

Early
22°C / 24°C
Morning
20°C / 21°C
Afternoon
20°C / 27°C
Evening
19°C / 31°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 476
  • CO 112
  • NH3 0
  • NO2 16
  • O3 16
  • PM10 15
  • PM25 14
  • SO2 0
  • CH4 1,359

Sunrise / Sunset

11:18
23:07