Climate Overview
The climate in Gualán is warm and mild. The average annual temperature is 24°C and approximately 1832mm of precipitation falls per year. Gualán receives a notable amount of rainfall throughout the year, including during its driest month. Gualán is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, April, June. The coldest months are January, February, December, when temperatures can drop to 18°C.
Temperature
Gualán sees moderate temperature variation throughout the year, ranging from 18°C to 33°C. The warmest month is May, when average highs reach 33°C and the mean temperature sits around 27°C. January is the coolest month, with minimum temperatures around 18°C and an average of 21°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between March and April, with a 2°C shift in average temperatures.
Precipitation
Gualán is a fairly wet location, receiving approximately 1832mm of precipitation annually, which averages out to around 153mm per month. The wettest month is June, averaging 296mm of rainfall. September and July also tend to see above-average precipitation. The driest month is April, with just 48mm. That's 248mm less than June, 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
Gualán 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 April, averaging 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.
Seasons
89 days until Summer
It is currently spring in Gualán, which began on March 20, 2026. Gualán 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 May at around 33°C, while the coldest stretch bottoms out in January near 18°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 20 to 33°C. Precipitation is moderate at around 232mm for the season, averaging 77mm per month. Winds are generally light, averaging 8km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 22 to 31°C. Rainfall is heavy, totalling around 771mm across the season with a monthly average of 257mm. Winds are generally light, averaging 7km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 20 to 31°C. Rainfall is heavy, totalling around 628mm across the season with a monthly average of 209mm. Winds are generally light, averaging 6km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 18 to 27°C. Precipitation is moderate at around 202mm for the season, averaging 67mm per month. Winds are generally light, averaging 7km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Gualán is during January, February, March and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 63mm per month. By contrast, May can be uncomfortably hot with temperatures reaching 33°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Gualán 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.