Climate Overview
The climate in San Nicolas is hot. The average annual temperature is 27°C and approximately 527mm of precipitation falls per year. November is the wettest month, receiving around 146mm of rainfall. San Nicolas is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: September, October, August. The coldest months are February, January, March, when temperatures can drop to 25°C.
Temperature
San Nicolas has relatively stable temperatures year-round, staying within a 4°C range. The warmest month is September, when average highs reach 29°C and the mean temperature sits around 28°C. February is the coolest month, with minimum temperatures around 25°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows.
Precipitation
San Nicolas is a relatively dry area, receiving approximately 527mm of precipitation annually, which averages out to around 44mm per month. The wettest month is November, averaging 146mm of rainfall. October and December also tend to see above-average precipitation. The driest month is April, with just 15mm. That's 132mm less than November, 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 is very windy, with an average annual wind speed of 32km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 35km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in October, with average winds dropping to 26km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 9km/h between the calmest and windiest months.
Seasons
2 days until Autumn
It is currently summer in San Nicolas, which began on June 21, 2026. San Nicolas is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in September at around 29°C, while the coldest stretch bottoms out in February near 25°C. Autumn is next, beginning on September 23, 2026 (2 days from now).
Spring
Temperatures range from 26 to 27°C. Rainfall is relatively light, with around 47mm over the season and a monthly average of 16mm. Winds are strong, averaging 33km/h. Light layers work well as temperatures warm through the season. It is a great time to be outdoors.
Summer
Temperatures range from 27 to 28°C. Rainfall is relatively light, with around 64mm over the season and a monthly average of 21mm. Winds are strong, averaging 34km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 27 to 29°C. Rainfall is heavy, totalling around 304mm across the season with a monthly average of 101mm. Winds are strong, averaging 26km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 25 to 27°C. Rainfall is relatively light, with around 112mm over the season and a monthly average of 37mm. Winds are strong, averaging 33km/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 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.
