Climate Insights for Barillas

The climate in Barillas is warm and mild. The average annual temperature is 18°C and approximately 2295mm of precipitation falls per year. Barillas receives a notable amount of rainfall throughout the year, including during its driest month. Barillas is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, April, August. The coldest months are February, January, December, when temperatures can drop to 11°C.

Barillas sees moderate temperature variation throughout the year, ranging from 11°C to 25°C. The warmest month is May, when average highs reach 25°C and the mean temperature sits around 20°C. February is the coolest month, with minimum temperatures around 11°C and an average of 16°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.

Barillas is a very wet location, receiving approximately 2295mm of precipitation annually, which averages out to around 191mm per month. The wettest month is June, averaging 530mm of rainfall. September and October also tend to see above-average precipitation. The driest month is March, with just 74mm. That's 455mm 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.

Barillas 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 July, averaging 7km/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. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

It is currently spring in Barillas, which began on March 20, 2026. Barillas 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 25°C, while the coldest stretch bottoms out in February near 11°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Barillas is during January, February, March and April, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 87mm per month. By contrast, May can be uncomfortably hot with temperatures reaching 25°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Barillas 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.