Average weather for Harlingen in December

It's warm in December in Harlingen with an average temperature of 24°C. Temperatures this month range from a low of 21°C to a high of 27°C. At night, you can expect temperatures between 10°C and 17°C.

Daily Temperature in December in Harlingen

Start of December

The month of December starts in Harlingen with warm temps, averaging around 25°C during the day and nights around 14°C. There’s little chance of precipitation. The weather’s mostly sunny and dry.

Mid December

By mid-December, daytime temps drop to around 24°C, with nights around 14°C. Not much precipitation expected during this period. It’s mostly dry and sunny.

End of December

By the end of December, the average daytime temperature in Harlingen is around 24°C, while nighttime temps are about 14°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.

In December, there is an average of 25 mm of precipitation, spread over 5 days. Of the total precipitation, about 0,1 cm falls as snow in December. The wind speed is around 5 Bft, mostly coming from the South.

Harlingen in December		New York
Average temperature	24°C	9°C
Max. temperature	27°C	12°C
Min. temperature	21°C	-5°C
Total precipitation	25 mm	133 mm
Rainy days	5 days	17 days
Total snowfall	0,1 cm	9,7 cm
Snowy days	1 day	3 days

November

January

UV index

The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.

Is December a good time to visit Harlingen?

Looking for great weather? December is a good time to be in Harlingen. The temperatures are nice, and there’s not too much rain.

The hurricane season in Harlingen runs from June to November.

Temperature records

With 33°C in 2019, Harlingen reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 3°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of -3°C to a highest value of 26°C.

Check out the climate of Harlingen for all months and discover the best travel time

November

January

Daily Temperature in December in Harlingen

This chart shows the average daily high and low temperatures in December for Harlingen, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.

Daily Precipitation in December in Harlingen

The chart below shows the average daily precipitation in December for Harlingen, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.

A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for December, you can expect about 5 days of precipitation in Harlingen.

Daily Precipitation in December in Harlingen

Daily Snowfall in December in Harlingen

This chart shows the average daily snowfall in December in Harlingen, measured in centimeters. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in December.

Daily UV index in December in Harlingen

This chart shows the average daily UV index in December in Harlingen, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Temperature in December in Harlingen over the years

This chart shows the average temperature in December in Harlingen, measured in degrees Celsius, over the past few years.

Total precipitation in December in Harlingen over the years

This chart shows the average precipitation in December in Harlingen, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.

Snowfall in December in Harlingen per year

This chart shows the average snowfall in December in Harlingen, measured in centimeters, over the past few years.

Snowfall in December in Harlingen over the past years

November

January

Daily weather in December for Harlingen

Click on any day in December to get detailed info about the usual weather on that day in Harlingen. Check out the historical temperatures and precipitation over the past 10 years on this day.

Average weather in Harlingen by month

Click on a month below to see detailed weather info for Harlingen. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.