Climate Overview
The climate in San Pedro Mártir is warm and mild. The average annual temperature is 18°C and approximately 752mm of precipitation falls per year. August is the wettest month, receiving around 197mm of rainfall. San Pedro Mártir is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, April, June. The coldest months are February, January, December, when temperatures can drop to 7°C.
Temperature
Temperatures in San Pedro Mártir vary considerably across the year, with a 24°C difference between the coldest and warmest months. The warmest month is May, when average highs reach 31°C and the mean temperature sits around 23°C. February is the coolest month, with minimum temperatures around 7°C and an average of 16°C. On average, daily temperatures fluctuate by about 14°C between overnight lows and afternoon highs. The sharpest temperature change occurs between March and April, with a 3°C shift in average temperatures.
Precipitation
San Pedro Mártir is a relatively dry area, receiving approximately 752mm of precipitation annually, which averages out to around 63mm per month. The wettest month is August, averaging 197mm of rainfall. July and June also tend to see above-average precipitation. The driest month is February, with just 2mm. That's 195mm less than August, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
San Pedro Mártir is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
63 days until Autumn
It is currently summer in San Pedro Mártir, which began on June 21, 2026. San Pedro Mártir is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in May at around 31°C, while the coldest stretch bottoms out in February near 7°C. Autumn is next, beginning on September 23, 2026 — 63 days from now.
Spring
Temperatures range from 11 to 31°C. Rainfall is relatively light, with around 143mm over the season and a monthly average of 48mm. Winds are generally light, averaging 2km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 15 to 27°C. Rainfall is heavy, totalling around 478mm across the season with a monthly average of 159mm. Winds are generally light, averaging 2km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 11 to 26°C. Rainfall is relatively light, with around 120mm over the season and a monthly average of 40mm. Winds are generally light, averaging 3km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 7 to 26°C. Precipitation is minimal, with only around 11mm for the entire season. Winds are generally light, averaging 2km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit San Pedro Mártir is during February, March, April, September, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 24mm per month. By contrast, May can be uncomfortably hot with temperatures reaching 31°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for San Pedro Mártir based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.