Climate Overview
The climate in Isabela is hot. The average annual temperature is 27°C and approximately 2930mm of precipitation falls per year. Isabela receives a notable amount of rainfall throughout the year, including during its driest month. Isabela is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, May, March. The coldest months are February, January, March, when temperatures can drop to 24°C.
Temperature
Isabela has relatively stable temperatures year-round, staying within a 9°C range. The warmest month is April, when average highs reach 33°C and the mean temperature sits around 29°C. February is the coolest month, with minimum temperatures around 24°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.
Precipitation
Isabela is a very wet location, receiving approximately 2930mm of precipitation annually, which averages out to around 244mm per month. The wettest month is July, averaging 400mm of rainfall. October and September also tend to see above-average precipitation. The driest month is April, with just 88mm. That's 312mm less than July, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.
Wind
Isabela 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 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months.
Seasons
7 days until Autumn
It is currently summer in Isabela, which began on June 21, 2026. Isabela 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 April at around 33°C, while the coldest stretch bottoms out in February near 24°C. Autumn is next, beginning on September 23, 2026 (7 days from now).
Spring
Temperatures range from 24 to 33°C. Rainfall is heavy, totalling around 421mm across the season with a monthly average of 140mm. Winds are generally light, averaging 7km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 25 to 31°C. Rainfall is heavy, totalling around 1052mm across the season with a monthly average of 351mm. Winds are generally light, averaging 6km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 24 to 31°C. Rainfall is heavy, totalling around 971mm across the season with a monthly average of 324mm. Winds are generally light, averaging 6km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 24 to 31°C. Rainfall is heavy, totalling around 486mm across the season with a monthly average of 162mm. 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 Isabela 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.
