San Martín, Peru Weather

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

Current conditions

Updated:
20°C
68.0°F
°C °F

Condition: Drizzle

Pressure: 976 hPa

Feel like: 25 °C

Temperature: 20°C

Cloud: 38%

Humidity: 98%

Wind: WNW - 0 km/h

Visibility: 3.8 km

Weather forecast

Sun
21 Jun
20°C / 30°C
Clear Sky
Mon
22 Jun
20°C / 30°C
Drizzle
Tue
23 Jun
20°C / 30°C
Moderate Drizzle
Wed
24 Jun
21°C / 29°C
Slight Rain Showers
Thu
25 Jun
21°C / 27°C
Slight Rain Showers
Hourly forecast today:
09:00 AM
20° / 20°
20° / 20°
Drizzle
98% 8 km/h
10:00 AM
21° / 21°
21° / 21°
Mainly Clear
99% 5 km/h
11:00 AM
20° / 20°
20° / 20°
Drizzle
99% 5 km/h
12:00 PM
21° / 21°
21° / 21°
Drizzle
100% 6 km/h
13:00 PM
21° / 22°
21° / 22°
Clear Sky
96% 10 km/h
14:00 PM
21° / 23°
21° / 23°
Mainly Clear
90% 11 km/h
15:00 PM
21° / 27°
21° / 27°
Clear Sky
70% 12 km/h
16:00 PM
20° / 27°
20° / 27°
Clear Sky
66% 12 km/h
17:00 PM
20° / 28°
20° / 28°
Clear Sky
61% 17 km/h
18:00 PM
20° / 29°
20° / 29°
Clear Sky
57% 20 km/h
19:00 PM
20° / 30°
20° / 30°
Clear Sky
56% 24 km/h

30 Day Averages and Extremes

  • Average high 28.83°C
  • Average low 20.67°C
  • Hottest day 31°C (15 June 2026)
  • Coldest day 20°C (06 June 2026)
  • Average humidity 85.07%
  • Days with precipitation 30 days
  • Highest precipitation 82 mm (25 June 2026)

Yesterday's Data

  • Max: 30°C
  • Min: 21°C
  • Total Precipitation: 7 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 30ºC (86.0ºF), consider wearing:
- UV-blocking sunglasses
- High SPF sunscreen for outdoor activities
- Sleeveless tops or vests
- Broad-brimmed sun hat

Temperature

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

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 562
  • CO 101
  • NH3 0
  • NO2 10
  • O3 11
  • PM10 7
  • PM25 7
  • SO2 0
  • CH4 1,356

Sunrise / Sunset

11:17
22:59