Harlingen Weather in January

January in Harlingen typically sees daytime highs of 21°C (70°F) and nighttime lows of 9°C (48°F). Expect some rainfall during the month. It falls within the winter season.

Rainfall in Harlingen in January

Records from the past 30 years suggest around 8 days of rain, with 38 mm (1.5 in) average for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Harlingen in January

If you're visiting Harlingen in January, expect perfect temperatures with highs of 21°C (70°F) and overnight lows of 9°C (48°F). January marks the winter season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 9°C (48°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions. While temperatures are the coolest of this year this month, they remain pleasant and warm for outdoor activities.

Sunshine in Harlingen in January

The month brings about 133 hours of sunlight, offering a comfortable mix of sun and overcast.

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

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Check the conditions for any month of the year.

• January
• February
• March
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• May
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• 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 January

Min Temperature 9°C (48°F)  

Max Temperature 21°C (70°F)  

Chance of Rain 27%  

Precipitation 38 mm (1.5 in)  

Rainy days 8 days  

Humidity 78% *  

Sunshine 133 hours *  

Percentage Sunshine 38% *  

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

What to Wear in Harlingen in January

Pleasant temperatures in January 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. Pack a light rain jacket or compact umbrella for occasional showers. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Harlingen in January

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

Swimming

6/10

Cycling

10/10

Walking

10/10

Camping

5/10

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.