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The weather in May in Harlingen

It's hot in May in Harlingen with an average temperature of 33°C. Temperatures this month range from a low of 31°C to a high of 34°C. At night, you can expect temperatures between 20°C and 25°C.

May is a good month to be in Harlingen for sunny weather. You’ll have high temperatures and not too much rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Harlingen, Texas. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 37°C in 2018, Harlingen reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 22°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of 12°C to a highest value of 28°C.

Rainfall amount

In May, there is an average of 94 mm of precipitation, spread over 11 days. The wind speed is around 5 Bft, mostly coming from the Southeast.

Daily weather in May for Harlingen

Click on any day in May 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.

May weather comparison

  Harlingen New York
Average temperature 33°C 22°C
Max. temperature 34°C 28°C
Min. temperature 20°C -5°C
Total precipitation 94 mm 105 mm
Rainy days 11 days 14 days

Start of May

The month of May starts in Harlingen with hot temps, averaging around 33°C during the day and nights around 23°C.

Mid May

By mid-May, daytime temps stay steady at around 33°C, with nights around 23°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of May

By the end of May, the average daytime temperature in Harlingen is around 34°C, while nighttime temps are about 24°C. A shower might pop up, but overall, the weather will be dry and sunny.

Find affordable trips to Harlingen

UV index

The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

The hurricane season in Harlingen runs from June to November.

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

Temperature charts

These charts show the average temperatures in May in Harlingen, Texas. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in May in Harlingen

Temperature in May in Harlingen over the years

Precipitation charts

These charts show the average amount of precipitation in May in Harlingen, Texas. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in May in Harlingen

Total precipitation in May in Harlingen over the years

Daily UV index in May in Harlingen

This chart shows the average daily UV index in May 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.

Weather experiences in May in Harlingen

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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.