March weather forecastHarlingen, TX
March
Weather in March
The first month of the spring, March, is a warm month in Harlingen, Texas, with an average temperature varying between 64.2°F (17.9°C) and 78.8°F (26°C).Temperature
As Harlingen welcomes March, the average high-temperature displays a subtle shift, adjusting from an agreeable 73.2°F (22.9°C) in February to a moderately hot 78.8°F (26°C). March nights are marked by an average temperature drop to a refreshing 64.2°F (17.9°C).Humidity
The average relative humidity in March is 70%.Rainfall
In March, the rain falls for 6.5 days. Throughout March, 0.31" (8mm) of precipitation is accumulated. Throughout the year, there are 79.8 rainfall days, and 5.24" (133mm) of precipitation is accumulated.Snowfall
In Harlingen, snow does not fall in January, March through December.Daylight
The average length of the day in March in Harlingen, Texas, is 12h and 2min.On the first day of March, sunrise is at 6:53 am and sunset at 6:32 pm CST. On the last day of the month, sunrise is at 7:21 am and sunset at 7:47 pm CDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from CDT to CST.
Sunshine
The average sunshine in March is 7.5h.UV index
The average daily maximum UV index in March in Harlingen is 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 6 in March translates into the following recommendations:
Deflect overexposure. Sun protection is a necessity. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Harlingen, TX
- Average high temperature in March: 78.8°F
The warmest month (with the highest average high temperature) is August (95°F).
The month with the lowest average high temperature is January (68.7°F).
- Average low temperature in March: 64.2°F
The month with the highest average low temperature is August (80.1°F).
The coldest month (with the lowest average low temperature) is January (55.4°F).
Average pressure in March
Harlingen, TX
- Average pressure in March: 29.99"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in March
Harlingen, TX
- Average wind speed in March: 12.1mph
The windiest months (with the highest average wind speed) are March and April (12.1mph).
The calmest month (with the lowest average wind speed) is September (8.9mph).
Average humidity in March
Harlingen, TX
- Average humidity in March: 70%
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (65%).
Average rainfall in March
Harlingen, TX
- Average rainfall in March: 0.31"
The wettest month (with the highest rainfall) is July (0.87").
The driest month (with the least rainfall) is February (0.16").
Average rainfall days in March
Harlingen, TX
- Average rainfall days in March: 6.5 days
The month with the highest number of rainy days is September (11.5 days).
The month with the least rainy days is February (4.7 days).
Average snowfall days in March
Harlingen, TX
- Average snowfall days in March: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in March /
Average sunshine in March
Harlingen, TX
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in March: 7h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in March
Harlingen, TX
- Average sunshine days in March: 23.3 days
The month with the most sunshine days is March (23.3 days).
The month with the least sunshine days is September (15.6 days).
Average UV index in March
Harlingen, TX
- Average UV index in March: 6
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in March
Harlingen, TX
- Average cloud cover in March: 38
The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in March
Harlingen, TX
- Average visibility in March: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
