Climate Overview
The climate in La Sierra is warm and mild. The average annual temperature is 18°C and approximately 7388mm of precipitation falls per year. La Sierra receives a notable amount of rainfall throughout the year, including during its driest month. La Sierra sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
La Sierra has relatively stable temperatures year-round, staying within a 9°C range. September is the warmest month, though highs remain moderate at 23°C with a mean of 19°C. August is the coolest month, with minimum temperatures around 14°C and an average of 19°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.
Precipitation
La Sierra is a very wet location, receiving approximately 7388mm of precipitation annually, which averages out to around 616mm per month. The wettest month is May, averaging 820mm of rainfall. April and June also tend to see above-average precipitation. The driest month is January, with just 478mm. That's 342mm less than May, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.
Wind
La Sierra 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 February, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.
Seasons
89 days until Summer
It is currently spring in La Sierra, which began on March 20, 2026. La Sierra 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 23°C, while the coldest stretch bottoms out in August near 14°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 15 to 23°C. Rainfall is heavy, totalling around 2254mm across the season with a monthly average of 751mm. Winds are generally light, averaging 6km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 14 to 23°C. Rainfall is heavy, totalling around 1874mm across the season with a monthly average of 625mm. Winds are generally light, averaging 7km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 14 to 23°C. Rainfall is heavy, totalling around 1711mm across the season with a monthly average of 570mm. Winds are generally light, averaging 7km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 14 to 23°C. Rainfall is heavy, totalling around 1549mm across the season with a monthly average of 516mm. 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 La Sierra 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.
