Climate Overview
The climate in San Miguel is cool. The average annual temperature is 10°C and approximately 1315mm of precipitation falls per year. March is the wettest month, receiving around 201mm of rainfall. San Miguel sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
San Miguel sees moderate temperature variation throughout the year, ranging from 3°C to 16°C. September is the warmest month, though highs remain moderate at 16°C with a mean of 9°C. August is the coolest month, with minimum temperatures around 3°C and an average of 9°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs.
Precipitation
San Miguel is a fairly wet location, receiving approximately 1315mm of precipitation annually, which averages out to around 110mm per month. The wettest month is March, averaging 201mm of rainfall. January and December also tend to see above-average precipitation. The driest month is August, with just 24mm. That's 177mm less than March, 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 Miguel 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 August, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, 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
3 days until Winter
It is currently autumn in San Miguel, which began on March 20, 2026. San Miguel sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in September at around 16°C, while the coldest stretch bottoms out in August near 3°C. Winter is next, beginning on June 21, 2026 — 3 days from now.
Spring
Temperatures range from 4 to 16°C. Precipitation is moderate at around 272mm for the season, averaging 91mm per month. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 5 to 16°C. Rainfall is heavy, totalling around 495mm across the season with a monthly average of 165mm. Winds are generally light, averaging 2km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 6 to 16°C. Rainfall is heavy, totalling around 434mm across the season with a monthly average of 145mm. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 3 to 15°C. Rainfall is relatively light, with around 114mm over the season and a monthly average of 38mm. Winds are generally light, averaging 3km/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 Miguel 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.
