San Martín, Peru Weather

San Martín,  Weather
(Photo by Scott Umstattd on Unsplash)

Current conditions

Updated:
31°C
87.8°F
°C °F

Condition: Overcast

Pressure: 973 hPa

Feel like: 38 °C

Temperature: 31°C

Cloud: 95%

Humidity: 52%

Wind: ENE - 2 km/h

Visibility: 42.78 km

Weather forecast

Tue
03 Nov
23°C / 31°C
Moderate Drizzle
Wed
04 Nov
23°C / 32°C
Moderate Drizzle
Thu
05 Nov
22°C / 33°C
Slight Rain Showers
Fri
06 Nov
22°C / 31°C
Slight Rain Showers
Sat
07 Nov
23°C / 31°C
Drizzle
Hourly forecast today:
17:00 PM
20° / 31°
20° / 31°
Overcast
52% 17 km/h
18:00 PM
21° / 32°
21° / 32°
Partly Cloudy
50% 23 km/h
19:00 PM
21° / 32°
21° / 32°
Overcast
52% 23 km/h
20:00 PM
22° / 32°
22° / 32°
Overcast
54% 23 km/h
21:00 PM
21° / 31°
21° / 31°
Overcast
55% 21 km/h
22:00 PM
24° / 30°
24° / 30°
Overcast
67% 19 km/h
23:00 PM
22° / 28°
22° / 28°
Overcast
69% 14 km/h
00:00 AM
22° / 27°
22° / 27°
Overcast
76% 10 km/h
01:00 AM
23° / 25°
23° / 25°
Drizzle
87% 14 km/h
02:00 AM
23° / 25°
23° / 25°
Drizzle
92% 11 km/h
03:00 AM
23° / 24°
23° / 24°
Moderate Drizzle
97% 20 km/h

30 Day Averages and Extremes

  • Average high 31.4°C
  • Average low 22.37°C
  • Hottest day 34°C (26 October 2026)
  • Coldest day 21°C (16 November 2026)
  • Average humidity 83.53%
  • Days with precipitation 30 days
  • Highest precipitation 80 mm (29 October 2026)

Yesterday's Data

  • Max: 31°C
  • Min: 22°C
  • Total Precipitation: 4 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

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
- High SPF sunscreen for outdoor activities

Temperature

Early
23°C / 25°C
Morning
21°C / 22°C
Afternoon
21°C / 29°C
Evening
21°C / 31°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 435
  • CO 129
  • NH3 0
  • NO2 0
  • O3 44
  • PM10 3
  • PM25 3
  • SO2 0
  • CH4 1,320

Sunrise / Sunset

10:39
23:02