Climate Overview
The climate in San Pedro is temperate. The average annual temperature is 17°C and approximately 7201mm 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 10°C range. August is the warmest month, though highs remain moderate at 22°C with a mean of 17°C. January is the coolest month, with minimum temperatures around 12°C and an average of 16°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.
Precipitation
San Pedro is a very wet location, receiving approximately 7201mm of precipitation annually, which averages out to around 600mm per month. The wettest month is March, averaging 711mm of rainfall. April and May also tend to see above-average precipitation. The driest month is January, with just 490mm. That's 221mm less than March, 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 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 7km/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
88 days until Summer
It is currently spring in San Pedro, which began on March 20, 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 August at around 22°C, while the coldest stretch bottoms out in January near 12°C. Summer is next, beginning on June 21, 2026 — 88 days from now.
Spring
Temperatures range from 13 to 21°C. Rainfall is heavy, totalling around 2044mm across the season with a monthly average of 681mm. Winds are generally light, averaging 7km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 12 to 22°C. Rainfall is heavy, totalling around 1757mm across the season with a monthly average of 586mm. Winds are generally light, averaging 7km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 12 to 21°C. Rainfall is heavy, totalling around 1792mm across the season with a monthly average of 597mm. Winds are generally light, averaging 7km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 12 to 21°C. Rainfall is heavy, totalling around 1609mm across the season with a monthly average of 536mm. Winds are generally light, averaging 7km/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.
