Harlingen Weather in December

Harlingen in December averages 23°C (73°F) during the day and 11°C (52°F) at night. This is part of the winter season. Some rainfall is to be expected.

Rainfall in Harlingen in December

Based on our climate data of the past 30 years, about 7 days of rain are anticipated, with 46 mm (1.8 in) on average. The odd shower may pass through, but it usually doesn't amount to much. A largely dry month overall.

Temperature in Harlingen in December

December is one of the better months to visit Harlingen. Expect 23°C (73°F) during the day and 11°C (52°F) at night. December is in the winter season. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Harlingen in December

With about 133 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

If you're a fan of comfortable temperatures and drier conditions, December is a great time to visit.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
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• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Harlingen's climate page.

Harlingen Temperature in December

Min Temperature 11°C (52°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 22%  

Precipitation 46 mm (1.8 in)  

Rainy days 7 days  

Humidity 78% *  

Sunshine 133 hours *  

Percentage Sunshine 40% *  

* Data from: Brownsville, the United States of America (41 KM, 25 Miles).

What to Wear in Harlingen in December

Pleasant temperatures in December mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Harlingen in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

10/10

Walking

10/10

Camping

10/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Harlingen's climate page.

More climate data for Harlingen

Temperature Rainfall Sunshine Humidity

See the full Harlingen climate overview or explore weather in the United States of America.