Climate Overview
The climate in Puerto Barrios is hot. The average annual temperature is 26°C and approximately 2487mm of precipitation falls per year. Puerto Barrios receives a notable amount of rainfall throughout the year, including during its driest month. Puerto Barrios 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 21°C.
Temperature
Puerto Barrios sees moderate temperature variation throughout the year, ranging from 21°C to 33°C. The warmest month is May, when average highs reach 33°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 21°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.
Precipitation
Puerto Barrios is a very wet location, receiving approximately 2487mm of precipitation annually, which averages out to around 207mm per month. The wettest month is November, averaging 328mm of rainfall. July and June also tend to see above-average precipitation. The driest month is April, with just 66mm. That's 262mm less than November, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.
Wind
Puerto Barrios is relatively calm, with an average annual wind speed of 11km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is May, averaging 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 9km/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
89 days until Summer
It is currently spring in Puerto Barrios, which began on March 20, 2026. Puerto Barrios 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 21°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 22 to 33°C. Precipitation is moderate at around 294mm for the season, averaging 98mm per month. Winds are generally light, averaging 13km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 24 to 32°C. Rainfall is heavy, totalling around 888mm across the season with a monthly average of 296mm. Winds are generally light, averaging 12km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 22 to 32°C. Rainfall is heavy, totalling around 875mm across the season with a monthly average of 292mm. Winds are generally light, averaging 9km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 21 to 29°C. Rainfall is heavy, totalling around 430mm across the season with a monthly average of 143mm. Winds are generally light, averaging 10km/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 Puerto Barrios is during February, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 91mm per month. By contrast, May can be uncomfortably hot with highs reaching 33°C, while January is the coldest period with lows dropping to 21°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.
Monthly Climate Data
The table below shows monthly climate averages for Puerto Barrios 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.