Climate Overview
The climate in San Nicolas Airport is temperate. The average annual temperature is 15°C and approximately 2058mm of precipitation falls per year. San Nicolas Airport receives a notable amount of rainfall throughout the year, including during its driest month. San Nicolas Airport sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
San Nicolas Airport sees moderate temperature variation throughout the year, ranging from 9°C to 22°C. November is the warmest month, though highs remain moderate at 22°C with a mean of 16°C. August is the coolest month, with minimum temperatures around 9°C and an average of 14°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs.
Precipitation
San Nicolas Airport is a very wet location, receiving approximately 2058mm of precipitation annually, which averages out to around 171mm per month. The wettest month is March, averaging 279mm of rainfall. January and December also tend to see above-average precipitation. The driest month is July, with just 47mm. That's 232mm 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 Nicolas Airport is relatively calm, with an average annual wind speed of 8km/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 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, 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 2km/h between the calmest and windiest months.
Seasons
89 days until Winter
It is currently autumn in San Nicolas Airport, which began on March 20, 2026. San Nicolas Airport sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in November at around 22°C, while the coldest stretch bottoms out in August near 9°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 9 to 22°C. Rainfall is heavy, totalling around 510mm across the season with a monthly average of 170mm. Winds are generally light, averaging 8km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 12 to 21°C. Rainfall is heavy, totalling around 788mm across the season with a monthly average of 263mm. Winds are generally light, averaging 7km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 11 to 21°C. Rainfall is heavy, totalling around 587mm across the season with a monthly average of 196mm. Winds are generally light, averaging 7km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 9 to 20°C. Precipitation is moderate at around 173mm for the season, averaging 58mm per month. Winds are generally light, averaging 8km/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 Nicolas Airport 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.
