20 to 35°C
temperature
3090 hours
sunshine per day
83 mm
rain
297 days
dry
68 days
rain
0 days
snow

Climate of Harlingen

Harlingen has a semi-arid climate. It is warm to hot all year round and trees don't grow here because of the drought. It consists mainly of sand with grasses and sometimes shrubs. The average annual temperature for Harlingen is 28° degrees and there is about 83 mm of rain in a year. It is dry for 270 days a year with an average humidity of 70% and an UV-index of 6.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 20°C and 35°C
  • Night:the average nighttime temperature is between 13°C and 27°C
  • Rain: it rains 68 days and there is a total of approximately 83 mm rainfall
  • Sun hours: throughout the year there are 3090 sun hours
Maximum temperature: between 20°C and 35°C
Warmest month: 35°C in August
Coldest month: 20°C in January
Night temperature: between 13°C and 27°C
Dry days: 297 days
Days with rain: 68 days
Days with snow: 0 days
Total rain sum: 83 mm
Hours of sunshine: 3090 hours

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Harlingen.

Precipitation graph

This graph shows the average amount of rainfall per month for Harlingen.

Climate table of Harlingen

In this climate table you can see at a glance what the average weather per month is for Harlingen. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Harlingen might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 20 23 26 29 31 33 34 35 33 30 25 21
Night temp. (°C) 13 15 18 21 23 25 26 27 26 22 18 14
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 6 4 7 3 3 11 4 7 11 16 7 4
Days with rain 5 4 6 5 4 6 5 6 10 6 5 6
Dry days 26 24 25 25 27 24 26 25 20 25 25 25
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 6 7 8 9 11 12 12 10 9 8 5 5
Wind force (Bft) 3 3 3 3 3 3 3 3 3 3 3 3
UV-index 5 5 6 6 7 7 8 7 7 6 5 4

Best time to visit Harlingen

The best time to visit Harlingen in the state of Texas is from January through May and October through December. In this period you have a warm temperature and almost no precipitation. The highest average temperature in Harlingen is 35°C in August and the lowest is 20°C in January.

Climate of Harlingen by month

What is the average climate in a given month for Harlingen? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

Harlingen weather experiences

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