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 shift into April is accompanied by a modest temperature increase, with the average high-temperature edging up from a warm 74.8°F (23.8°C) in March to a still moderately hot 81.5°F (27.5°C). Nighttime temperatures in April average to a comfortable 65.8°F (18.8°C).Heat index
April's heat index is estimated at a hot 86°F (30°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.Heat index details are generally centered around shaded locations and a mild breeze. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humidity
In April, the average relative humidity is 73%.Rainfall
In Calallen, in April, it is raining for 12.1 days, with typically 1.34" (34mm) of accumulated precipitation. In Calallen, during the entire year, the rain falls for 135.9 days and collects up to 16.65" (423mm) of precipitation.Snowfall
In Calallen, Texas, snow does not fall in January, March through December.Daylight
In April, the average length of the day is 12h and 51min.On the first day of April, sunrise is at 7:19 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 8:04 pm CDT.
Sunshine
In Calallen, the average sunshine in April is 8h.UV index
In Calallen, the average daily maximum UV index in April is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 6 during April translates into the following directions:
Take precautions against overexposure. Protection against sun damage is needed. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature in Calallen?
What is the average humidity in April?
How many days does it rain in April?
When it does not snow in Calallen?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Calallen have in April?
How high is the UV index in April?
Average temperature in April
Calallen, TX
- Average high temperature in April: 81.5°F
The warmest month (with the highest average high temperature) is August (95°F).
The month with the lowest average high temperature is January (64.9°F).
- Average low temperature in April: 65.8°F
The month with the highest average low temperature is August (79°F).
The coldest month (with the lowest average low temperature) is January (50.4°F).
Average pressure in April
Calallen, TX
- Average pressure in April: 29.9"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are May and June (29.88"Hg).
Average wind speed in April
Calallen, TX
- Average wind speed in April: 11mph
The windiest month (with the highest average wind speed) is May (11.1mph).
The calmest month (with the lowest average wind speed) is September (8.3mph).
Average humidity in April
Calallen, TX
- Average humidity in April: 73%
The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (66%).
Average rainfall in April
Calallen, TX
- Average rainfall in April: 1.34"
The wettest month (with the highest rainfall) is September (2.48").
The driest month (with the least rainfall) is August (0.71").
Average rainfall days in April
Calallen, TX
- Average rainfall days in April: 12.1 days
The month with the highest number of rainy days is September (16.5 days).
The month with the least rainy days is August (7.1 days).
Average snowfall days in April
Calallen, 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
Calallen, TX
- Average daylight in April: 12h and 5min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in April: 8h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in April
Calallen, TX
- Average sunshine days in April: 13.8 days
The month with the most sunshine days is July (21.6 days).
The month with the least sunshine days is September (11.3 days).
Average UV index in April
Calallen, TX
- Average UV index in April: 6
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in April
Calallen, TX
- Average cloud cover in April: 40
The months with the most cloud cover are February and December (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in April
Calallen, 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).
Calallen, Texas, USA
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