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  4. January

Harlingen, TX Climate in January

Temperature for January

In Harlingen, TX during January the average high temperature is 70.8°F. The hottest day on record was January 4, 1997 when the temperature hit 89.6°F.

Harlingen, TX daily average and extreme temperature range for January

Low Temperature

During January the overnight temperature drops to an average of 51.8°F, with the lowest temperature of 17.1°F being recorded on January 12, 1962. On average there are 1 days in January when the temperature stays below freezing all day. Overnight temperatures drop below freezing between 1 and 4 times in January.

Precipitation for January

In January the average monthly rainfall in Harlingen, TX is 0.18 inches with rain usually falling on between 7 and 8 days. 1944 was the driest January with only 0.00 inches of rain falling, and 2011 was the wettest January with 2.03 inches of rain. The wettest single day in January was 16 January 2011 when 1.64 inches of rain fell.

In January it usually snows on between 0 and 1 days. In January there have been some years when thunderstorms have occurred, although there are other years when there hasn't been a thunderstorm in January.

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