February Weather in Harlingen, United States

Last updated: June 24, 2025

In February, the average temperature in Harlingen, United States is a mild 18°C (65°F). However, be prepared for a temperature range that can swing from a chilly -5°C (24°F) to a sweltering 36°C (97°F). You can expect about 21 mm (0.8 in) of precipitation spread over 6 days, and with an average humidity of 79%, the weather can feel quite humid. Make sure to pack accordingly!

February Temperature in Harlingen

In February in Harlingen, the average temperature is 18°C (65°F). Maximums can reach 36°C (97°F), while minimums can drop to as low as -5°C (24°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your trip.

February Weather in Harlingen: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Harlingen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harlingen, February typically has an average temperature of 18°C (65°F), with highs reaching up to 36°C (97°F) and lows dropping to around -5°C (24°F).

Data source: Temperature data for Harlingen generated using information from the Copernicus Climate Change Service.

February Precipitation in Harlingen

In Harlingen in February, the total precipitation amount is 21 mm (0.8 in), occurring over a span of 6 days.

February Precipitation Trends in Harlingen

The chart displays monthly precipitation patterns in Harlingen, with values for each month alongside February’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February’s conditions compare to those of other months. In Harlingen, February typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 6 days.

Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

February Humidity in Harlingen

In Harlingen in February, humidity is 79%. With an average temperature of 18°C (65°F), this humidity feels like walking through a warm mist, making traveling slightly uncomfortable and sticky, but offering a refreshing escape when you find moments of shade or a breeze.

February Average Humidity in Harlingen

This chart illustrates the average monthly humidity levels in Harlingen, with February’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In February, average humidity in Harlingen is approximately 79%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in Harlingen

In Harlingen in February, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Harlingen.

Maximum UV Index Levels in Harlingen for February

The chart shows the monthly maximum UV Index (UVI) for Harlingen in February, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In February, the maximum UV index in Harlingen typically reaches 9, which falls under the very high exposure category.

Data source: Harlingen February UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How February Weather in Harlingen Compares to Other Months

Weather in Harlingen varies notably across the year, with each month offering distinct climate conditions. This page compares February’s weather to other months in Harlingen, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Harlingen, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (62°F)	24 mm (1.0 inches)	83%	high
February Weather	18°C (65°F)	21 mm (0.8 inches)	79%	very high
March Weather	22°C (72°F)	35 mm (1.4 inches)	76%	very high
April Weather	25°C (77°F)	30 mm (1.2 inches)	77%	extreme
May Weather	28°C (82°F)	81 mm (3.2 inches)	80%	extreme
June Weather	29°C (85°F)	91 mm (3.6 inches)	73%	extreme
July Weather	30°C (86°F)	94 mm (3.7 inches)	66%	extreme
August Weather	30°C (87°F)	33 mm (1.3 inches)	65%	extreme
September Weather	28°C (83°F)	114 mm (4.5 inches)	73%	extreme
October Weather	25°C (77°F)	64 mm (2.5 inches)	76%	very high
November Weather	21°C (69°F)	30 mm (1.2 inches)	80%	high
December Weather	18°C (65°F)	23 mm (0.9 inches)	86%	high