Climate Overview
The climate in San Pedro is warm and mild. The average annual temperature is 19°C and approximately 3016mm 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. May is the warmest month, though highs remain moderate at 23°C with a mean of 19°C. February is the coolest month, with minimum temperatures around 14°C and an average of 18°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.
Precipitation
San Pedro is a very wet location, receiving approximately 3016mm of precipitation annually, which averages out to around 251mm per month. The wettest month is October, averaging 513mm of rainfall. June and November also tend to see above-average precipitation. The driest month is March, with just 52mm. That's 461mm 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 relatively calm, with an average annual wind speed of 5km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 4km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 7km/h in winter, 5km/h in spring, 5km/h in summer, 4km/h in autumn.
Seasons
87 days until Winter
It is currently autumn in San Pedro, which began on September 23, 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 May at around 23°C, while the coldest stretch bottoms out in February near 14°C. Winter is next, beginning on December 21, 2026 (87 days from now).
Spring
Temperatures range from 15 to 23°C. Rainfall is heavy, totalling around 504mm across the season with a monthly average of 168mm. Winds are generally light, averaging 5km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 16 to 23°C. Rainfall is heavy, totalling around 971mm across the season with a monthly average of 324mm. Winds are generally light, averaging 5km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 16 to 23°C. Rainfall is heavy, totalling around 1253mm across the season with a monthly average of 418mm. Winds are generally light, averaging 4km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 14 to 22°C. Precipitation is moderate at around 288mm for the season, averaging 96mm per month. Winds are generally light, averaging 7km/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 is during January, February and March, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 65mm per month. By contrast, May can be uncomfortably hot with temperatures reaching 23°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
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.
