Climate Overview
The climate in San Pedro is hot. The average annual temperature is 27°C and approximately 1671mm of precipitation falls per year. San Pedro receives a notable amount of rainfall throughout the year, including during its driest month. San Pedro is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: September, August, July. The coldest months are January, February, December, when temperatures can drop to 24°C.
Temperature
San Pedro has relatively stable temperatures year-round, staying within a 5°C range. The warmest month is September, when average highs reach 29°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 24°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.
Precipitation
San Pedro is a fairly wet location, receiving approximately 1671mm of precipitation annually, which averages out to around 139mm per month. The wettest month is October, averaging 258mm of rainfall. November and June also tend to see above-average precipitation. The driest month is April, with just 36mm. That's 222mm less than October, 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 is moderately windy, with an average annual wind speed of 22km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 24km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in October, with average winds dropping to 17km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 7km/h between the calmest and windiest months.
Seasons
88 days until Winter
It is currently autumn in San Pedro, which began on September 23, 2026. San Pedro 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 September at around 29°C, while the coldest stretch bottoms out in January near 24°C. Winter is next, beginning on December 21, 2026 (88 days from now).
Spring
Temperatures range from 26 to 28°C. Rainfall is relatively light, with around 151mm over the season and a monthly average of 50mm. Winds are moderate at around 24km/h. Light layers work well as temperatures warm through the season. It is a great time to be outdoors.
Summer
Temperatures range from 27 to 29°C. Rainfall is heavy, totalling around 558mm across the season with a monthly average of 186mm. Winds are moderate at around 22km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 700mm across the season with a monthly average of 233mm. Winds are moderate at around 18km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 24 to 27°C. Precipitation is moderate at around 262mm for the season, averaging 87mm per month. Winds are moderate at around 22km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for San Pedro 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.
