Climate Overview
The climate in San Pedro is warm and mild. The average annual temperature is 20°C and approximately 6540mm of precipitation falls per year. San Pedro receives a notable amount of rainfall throughout the year, including during its driest month. San Pedro sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
San Pedro has relatively stable temperatures year-round, staying within a 9°C range. February is the warmest month, though highs remain moderate at 25°C with a mean of 20°C. September is the coolest month, with minimum temperatures around 16°C and an average of 19°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.
Precipitation
San Pedro is a very wet location, receiving approximately 6540mm of precipitation annually, which averages out to around 545mm per month. The wettest month is May, averaging 725mm of rainfall. June and July also tend to see above-average precipitation. The driest month is January, with just 411mm. That's 314mm less than May, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.
Wind
San Pedro is relatively calm, with an average annual wind speed of 1km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 1km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.
Seasons
83 days until Autumn
It is currently summer in San Pedro, which began on June 21, 2026. San Pedro sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in February at around 25°C, while the coldest stretch bottoms out in September near 16°C. Autumn is next, beginning on September 23, 2026 — 83 days from now.
Spring
Temperatures range from 17 to 24°C. Rainfall is heavy, totalling around 1872mm across the season with a monthly average of 624mm. Winds are generally light, averaging 1km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 16 to 24°C. Rainfall is heavy, totalling around 1865mm across the season with a monthly average of 622mm. Winds are generally light, averaging 1km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 16 to 24°C. Rainfall is heavy, totalling around 1459mm across the season with a monthly average of 486mm. Winds are generally light, averaging 1km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 16 to 25°C. Rainfall is heavy, totalling around 1344mm across the season with a monthly average of 448mm. Winds are generally light, averaging 1km/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.
