Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The onset of April marks a slight increase in the average high-temperature, moving from a moderately hot 78.8°F in March to a still warm 84.7°F. Harlingen encounters an average low-temperature of 69.1°F during April nights.Heat index
The average heat index in April is calculated to be a tropical 91.4°F. Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is achieved by amalgamating air temperature with the relative humidity readings. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
In April, the average relative humidity in Harlingen is 70%.Rainfall
In Harlingen, Texas, in April, it is raining for 5.5 days, with typically 0.2" of accumulated precipitation. Throughout the year, there are 79.8 rainfall days, and 5.24" of precipitation is accumulated.Snowfall
In Harlingen, snow does not fall in January, March through December.Daylight
In April, the average length of the day is 12h and 48min.On the first day of the month, sunrise is at 7:21 am and sunset at 7:47 pm. On the last day of April, sunrise is at 6:54 am and sunset at 8:01 pm CDT.
Sunshine
The average sunshine in April in Harlingen, Texas, is 8.3h.UV index
In Harlingen, the average daily maximum UV index in April is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 6 in April suggests the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
FAQ
How hot does it get in Harlingen in April?
What is the average humidity in April in Harlingen?
How much does it rain in Harlingen in April?
When it does not snow in Harlingen?
What is the average length of the day in April in Harlingen?
What time are sunrise and sunset in April in Harlingen?
How long on average sun shines in April in Harlingen?
What is the UV index intensity in April in Harlingen?
Average temperature in April
Harlingen, TX
- Average high temperature in April: 84.7°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 April: 69.1°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 April
Harlingen, TX
- Average pressure in April: 29.89"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 April
Harlingen, TX
- Average wind speed in April: 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 April
Harlingen, TX
- Average humidity in April: 70%
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (65%).
Average rainfall in April
Harlingen, TX
- Average rainfall in April: 0.2"
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 April
Harlingen, TX
- Average rainfall days in April: 5.5 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 April
Harlingen, TX
- Average snowfall days in April: 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 April /
Average sunshine in April
Harlingen, TX
- Average daylight in April: 12h and 5min
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 April: 8h and 2min
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 April
Harlingen, TX
- Average sunshine days in April: 23.1 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 April
Harlingen, TX
- Average UV index in April: 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 April
Harlingen, TX
- Average cloud cover in April: 36
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 April
Harlingen, TX
- Average visibility in April: 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).
Harlingen, Texas, USA
Weather forecast for your location
2. Allow the app to use your location
