Climate Overview
The climate in Altos is hot. The average annual temperature is 29°C and approximately 1083mm of precipitation falls per year. March is the wettest month, receiving around 317mm of rainfall. Altos sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Altos sees moderate temperature variation throughout the year, ranging from 24°C to 38°C. October is the hottest month, with daytime highs reaching 38°C and an average of 32°C. March is the coolest month, with minimum temperatures around 24°C and an average of 27°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs.
Precipitation
Altos is a moderately rainy area, receiving approximately 1083mm of precipitation annually, which averages out to around 90mm per month. The wettest month is March, averaging 317mm of rainfall. February and April also tend to see above-average precipitation. The driest month is September, with just 0mm. That's 317mm 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
Altos is mildly breezy, with an average annual wind speed of 15km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 19km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 8km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 18km/h in winter, 18km/h in spring, 13km/h in summer, 12km/h in autumn.
Seasons
89 days until Winter
It is currently autumn in Altos, which began on March 20, 2026. Altos sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in October at around 38°C, while the coldest stretch bottoms out in March near 24°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 25 to 38°C. Precipitation is minimal, with only around 31mm for the entire season. Winds are moderate at around 18km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 24 to 36°C. Rainfall is heavy, totalling around 477mm across the season with a monthly average of 159mm. Winds are generally light, averaging 13km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 24 to 33°C. Rainfall is heavy, totalling around 560mm across the season with a monthly average of 187mm. Winds are generally light, averaging 12km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 24 to 36°C. Precipitation is minimal, with only around 15mm for the entire season. Winds are moderate at around 18km/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 Altos 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.
