Climate Overview
The climate in Ciudad Tecún Umán is warm and mild. The average annual temperature is 22°C and approximately 3381mm of precipitation falls per year. September is the wettest month, receiving around 530mm of rainfall. Ciudad Tecún Umán is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, March, February. The coldest months are January, December, February, when temperatures can drop to 16°C.
Temperature
Ciudad Tecún Umán sees moderate temperature variation throughout the year, ranging from 16°C to 28°C. The warmest month is April, when average highs reach 28°C and the mean temperature sits around 23°C. January is the coolest month, with minimum temperatures around 16°C and an average of 21°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.
Precipitation
Ciudad Tecún Umán is a very wet location, receiving approximately 3381mm of precipitation annually, which averages out to around 282mm per month. The wettest month is September, averaging 530mm of rainfall. October and June also tend to see above-average precipitation. The driest month is February, with just 28mm. That's 502mm less than September, 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
Ciudad Tecún Umán is relatively calm, with an average annual wind speed of 1km/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 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
93 days until Autumn
It is currently summer in Ciudad Tecún Umán, which began on June 21, 2026. Ciudad Tecún Umán 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 28°C, while the coldest stretch bottoms out in January near 16°C. Autumn is next, beginning on September 23, 2026 — 93 days from now.
Spring
Temperatures range from 17 to 28°C. Rainfall is heavy, totalling around 666mm across the season with a monthly average of 222mm. Winds are generally light, averaging 1km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 18 to 27°C. Rainfall is heavy, totalling around 1362mm across the season with a monthly average of 454mm. Winds are generally light, averaging 1km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 18 to 27°C. Rainfall is heavy, totalling around 1239mm across the season with a monthly average of 413mm. Winds are generally light, averaging 1km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 16 to 28°C. Rainfall is relatively light, with around 114mm over the season and a monthly average of 38mm. Winds are generally light, averaging 1km/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 Ciudad Tecún Umán 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 46mm per month. By contrast, April can be uncomfortably hot with temperatures reaching 28°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 Ciudad Tecún Umán 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.
