The best times to visit Weslaco for ideal weather are

November 12th to March 18th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other Weslaco Travel Info

Weather in Weslaco


Average temperatures in Weslaco vary greatly. Considering humidity, temperatures feel hot for about half of the year and otherwise nice with a very low chance of rain throughout the year. The area is somewhat temperate — in the 58th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Weslaco, the hottest months are August, July, and then June. See average monthly temperatures below. The warmest time of year is generally early to mid August where highs are regularly around 99.1°F (37.3°C) with temperatures rarely dropping below 77.9°F (25.5°C) at night.

Weslaco Temperatures (Fahrenheit)


Weslaco Temperatures (Celsius)


“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Weslaco Perceived Temperature (F)


Weslaco Perceived Temperature (C)



Average Weslaco Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 71.2 59.2 50.3
Feb 76.2 63.7 55
Mar 81.5 69 60
Apr 87.3 75.5 67
May 91.4 80.3 71.8
Jun 96.2 84.7 76
Jul 95.8 84.8 76.8
Aug 98 85.9 77.1
Sep 92.6 81.4 73.4
Oct 89.2 76.6 66.4
Nov 80.4 68 58.3
Dec 74.8 62.5 53.6

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 21.8 15.1 10.2
Feb 24.6 17.6 12.8
Mar 27.5 20.6 15.6
Apr 30.7 24.2 19.4
May 33 26.8 22.1
Jun 35.7 29.3 24.4
Jul 35.4 29.3 24.9
Aug 36.7 29.9 25.1
Sep 33.7 27.4 23
Oct 31.8 24.8 19.1
Nov 26.9 20 14.6
Dec 23.8 16.9 12



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Weslaco are February, October, and then January. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late February and early March. For example, on the week of February 26th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid September with an average of 2 days of significant precipitation the week of September 10th.

When can you find snow in Weslaco? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Weslaco.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Weslaco (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 4% 0 0.6
Feb 3% 0 0.5
Mar 4% 0 0.7
Apr 5% 0 0.8
May 8% 0 1.6
Jun 5% 0 0.8
Jul 7% 0 2
Aug 8% 0 0.8
Sep 18% 0 3.6
Oct 4% 0 1.4
Nov 7% 0 1
Dec 5% 0 1.2

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 4 0 1.5
Feb 3 0 1.3
Mar 4 0 1.8
Apr 5 0 2
May 8 0 4.1
Jun 5 0 2
Jul 7 0 5.1
Aug 8 0 2
Sep 18 0 9.1
Oct 4 0 3.6
Nov 7 0 2.5
Dec 5 0 3


Humidity and Wind

Weslaco has some high humidity months, with other comfortably humid months. The least humid month is August (57% relative humidity), and the most humid month is January (64.6%).

Wind in Weslaco is usually moderate. The windiest month is April, followed by May and March. April’s average wind speed of around 8.9 knots (10.3 MPH or 16.6 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late April where average top sustained speeds reach 18.2 knots, which is considered a fresh breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Weslaco.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 7 Gentle breeze 14.7 Significant breeze
Feb 8.1 Gentle breeze 16.3 Significant breeze
Mar 8.6 Gentle breeze 16.7 Significant breeze
Apr 8.9 Gentle breeze 16.9 Significant breeze
May 8.8 Gentle breeze 16.4 Significant breeze
Jun 8.2 Gentle breeze 16 Significant breeze
Jul 8.2 Gentle breeze 15.9 Significant breeze
Aug 6.9 Light breeze 14.9 Significant breeze
Sep 5 Light breeze 13.1 Significant breeze
Oct 5.9 Light breeze 13.6 Significant breeze
Nov 6.4 Light breeze 14 Significant breeze
Dec 7.1 Gentle breeze 14.6 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 64.6%
Feb 64.4%
Mar 60.4%
Apr 61.2%
May 61.7%
Jun 59.3%
Jul 60.6%
Aug 57%
Sep 64.4%
Oct 59.3%
Nov 61%
Dec 64.1%


Is it Safe to Travel to Weslaco?

Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Dec 04, 2023.


The Busiest and Least Crowded Months

The busiest month for tourism in Weslaco, TX, US is July, followed by June and December. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Weslaco in October. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 53.6 in October means 53.6% of the tourists vs. July.



Overall Weslaco Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 94.2°F (34.6°C) and 78.2°F (25.7°C) with warmer temperatures in the later months. Rain is rare with 1 to 2 days of significant precipitation per month. Spring is fairly slow for tourism, which makes it a good time for those looking for deals.

Summer (June through August)

The middle-year months have hot weather with high temperatures that are quite warm. These months see moderate precipitation with 1 to 2 days of precipitation per month. June – August is the busiest season for tourism in Weslaco, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 94.8°F (34.9°C) and 76.7°F (24.8°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 1 to 6 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is somewhat cool this time of year in Weslaco to be enjoyable for warm weather travelers. The average high during this season is between 79.8°F (26.6°C) and 68.9°F (20.5°C). On average, it rains or snows a smalll amount: 1 to 2 times per month. These times of year are the second busiest with tourists.


Best Times to Travelthe United States › Weslaco, TX, US