Climate Overview
The climate in La Mesa is temperate. The average annual temperature is 13°C and approximately 1930mm of precipitation falls per year. La Mesa receives a notable amount of rainfall throughout the year, including during its driest month. La Mesa sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
La Mesa sees moderate temperature variation throughout the year, ranging from 8°C to 19°C. February is the warmest month, though highs remain moderate at 19°C with a mean of 14°C. August is the coolest month, with minimum temperatures around 8°C and an average of 12°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.
Precipitation
La Mesa is a fairly wet location, receiving approximately 1930mm of precipitation annually, which averages out to around 161mm per month. The wettest month is March, averaging 265mm of rainfall. April and November also tend to see above-average precipitation. The driest month is August, with just 81mm. That's 184mm less than March, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.
Wind
La Mesa is relatively calm, with an average annual wind speed of 1km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 1km/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
92 days until Autumn
It is currently summer in La Mesa, which began on June 21, 2026. La Mesa sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in February at around 19°C, while the coldest stretch bottoms out in August near 8°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.
Spring
Temperatures range from 10 to 18°C. Rainfall is heavy, totalling around 724mm across the season with a monthly average of 241mm. Winds are generally light, averaging 1km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 8 to 18°C. Rainfall is heavy, totalling around 310mm across the season with a monthly average of 103mm. Winds are generally light, averaging 2km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 8 to 18°C. Rainfall is heavy, totalling around 541mm across the season with a monthly average of 180mm. Winds are generally light, averaging 1km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 8 to 19°C. Rainfall is heavy, totalling around 356mm across the season with a monthly average of 119mm. Winds are generally light, averaging 1km/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 Mesa 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.
