When is the best time to go to McAllen?

When is the best time to go to McAllen? Here's some information to help you in your decision:

  • The best months for good weather in McAllen are January, February, March, April, May, June, July, September, October, November and December
  • On average, the warmest months are June, July, August and September
  • The coldest months are January and December
  • September is the rainiest month

Annual weather in McAllen

For full information about the climate and weather in McAllen a specific month, click on the corresponding line below:

January 56°F/72°F
February 61°F/77°F
March 65°F/83°F
April 70°F/90°F
May 74°F/94°F
June 77°F/97°F
July 79°F/99°F
August 81°F/101°F
September 79°F/95°F
October 74°F/90°F
November 65°F/79°F
December 59°F/74°F

Weather and climate in McAllen

McAllen enjoys a steppe (or semi-arid) climate in accordance with the Köppen-Geiger classification. The yearly average maximum temperature in McAllen is 88°F (ranging from 72°F in january to 101°F in august). Annual rainfall is 26.5in, with a minimum of 1.1in in february and a maximum of 5.1in in september.
  • Between january and february the climate is favorable. the thermometer goes up to 77°F°C.
  • Between march and april the climate is very good. The temperature rises to 90°F.
  • Between may and july the climate is good. At lunchtime, it's 95°F in average and it rains in july about 2.8in.
  • In the month of august the climate is not good, but still OK. It is for example 101°F as maximum temperature in august and it rains in august about 1.6in.
  • In september the climate is beautiful. The temperature rises to 95°F and, in september, 8 days of rain are expected.
  • Between the months of october and november the climate is perfect. The record temperature this month is 95°F and it rains about 10% of the time in november.
  • In december the climate is good. By early evening, the temperature averages 67°F and it rains in december about 2.2in.

Charts: temperature and rainfall in McAllen

In the charts below, you can see the following seasonal norms for the city of McAllen: the minimum and maximum outdoor temperature, the risk and amount of monthly rainfall, daily average sunshine, and relative humidity for each month of the year.

Outside temperature

Precipitation (rainfall)

Daily sunshine hours


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