Harlingen (TX) monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Harlingen

Harlingen average temperature chart (Celsius) Harlingen average temperature chart (Fahrenheit)
Average monthly temperatures in Harlingen (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 20.1 22.1 26 29.3 31.2 33.3 34.6 34.7 32.8 29.7 25.5 21.7
°F 68.3 71.7 78.8 84.7 88.2 92 94.2 94.5 91 85.4 77.9 71

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Harlingen monthly rainfall chart (mm) Harlingen monthly rainfall chart (inches)
Average monthly rainfall in Harlingen (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 36 33 17 38 74 75 41 66 130 70 31 31
inches 1.4 1.3 0.6 1.5 2.9 2.9 1.6 2.6 5.1 2.8 1.2 1.2
Rainy days 6 5 3 3 5 5 4 5 8 5 4 5

Average annual rainfall in Harlingen: 569.4mm (224.2 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Harlingen

Harlingen average daily sunshine chart
Average daily sunshine Harlingen
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 4.6 5.7 6.8 7.6 8.4 10.2 10.8 10 8.4 7.5 5.8 4.5

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Harlingen average minimum / maximum temperatures (Celsius) Harlingen average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Harlingen (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 9.6 11.1 15.2 19.3 22.2 23.9 24.4 24.3 23 18.9 14.7 10.9
Max °C 20.4 22.4 26.3 29.6 31.5 33.6 34.8 35 33 30 25.8 22
Min °F 49.3 51.9 59.3 66.7 71.9 74.9 75.9 75.7 73.4 65.9 58.4 51.5
Max °F 59 62.1 69.3 75.9 80.2 83.7 85.3 85.3 82.4 75.9 68.4 61.5

Sea temperature

The graph below shows the average sea temperature.

Harlingen average sea temperature chart (Celsius) Harlingen average sea temperature chart (Fahrenheit)
Average sea temperature around Harlingen in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 20.6 19.8 20.2 22.2 25.2 27.8 28.4 28.8 28.8 27.1 24.4 22.1
°F 69.1 67.6 68.3 71.9 77.4 82 83.2 83.9 83.8 80.8 75.8 71.9

Wind speed

The graph below shows the average wind speed.

Harlingen average winspeed by month (km/h) Harlingen average winspeed by month (mph)
Average wind speed in Harlingen (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 17 19 21 21 19 18 17 16 15 15 17 17
mph 11 12 13 13 12 11 11 10 9 9 10 11

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Harlingen relative humidity averages
Average relative humidity in Harlingen
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
76% 75% 73% 74% 76% 74% 72% 73% 75% 74% 75% 76%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Harlingen weather stats

Harlingen weather statistics
Hottest month: July 34.6°C 94.3°F
Driest month: March 17mm 0.7ins
Sunniest month: July 10.8hrs
Coldest month: January 20.1°C 68.2°F
Wettest month: September 130mm 5.1ins
Warmest sea: August 28.8°C 83.8°F
Map showing location of Harlingen (26.19063, -97.6961) Harlingen map pin © Google

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