April weather forecastHouston, TX
April
Weather in April
April weather in Houston continues the upward trend in temperature, with warm conditions becoming more frequent. As the city transitions firmly into spring, the atmosphere turns cheerful and lively. April brings a burst of colour to the city with various flowers in full bloom. The daylight hours peak at 12.9 hours per day, a substantial increase compared to winter. With more daylight, the city receives its highest sunshine hours of 8.3 hours per day, showing the increasing presence of the sun and warmer days.Temperature
Entering April, Houston notices a subtle temperature elevation, with the average high-temperature advancing from March's agreeable 72.1°F (22.3°C) to a warm 78.8°F (26°C). In April, Houston records an average nighttime temperature of 62.2°F (16.8°C).Humidity
In Houston, the average relative humidity in April is 74%.Rainfall
In Houston, in April, during 14.5 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. In Houston, Texas, during the entire year, the rain falls for 180.5 days and collects up to 35.35" (898mm) of precipitation.Snowfall
February through November are months without snowfall.Daylight
In Houston, the average length of the day in April is 12h and 55min.On the first day of April, sunrise is at 7:09 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 7:58 pm CDT.
Sunshine
The average sunshine in April is 8.3h.UV index
In April, the average daily maximum UV index 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 ordinary person.Note: An average UV index of 6 in April transforms into this advice:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Houston, TX
- Average high temperature in April: 78.8°F
The warmest month (with the highest average high temperature) is August (94.3°F).
The month with the lowest average high temperature is January (61.3°F).
- Average low temperature in April: 62.2°F
The month with the highest average low temperature is August (77.5°F).
The coldest month (with the lowest average low temperature) is January (46°F).
Average pressure in April
Houston, TX
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Houston, TX
- Average wind speed in April: 8.6mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is September (5.9mph).
Average humidity in April
Houston, TX
- Average humidity in April: 74%
The month with the highest relative humidity is February (78%).
The months with the lowest relative humidity are August and October (70%).
Average rainfall in April
Houston, TX
- Average rainfall in April: 2.36"
The wettest month (with the highest rainfall) is September (4.49").
The driest month (with the least rainfall) is February (1.77").
Average rainfall days in April
Houston, TX
- Average rainfall days in April: 14.5 days
The month with the highest number of rainy days is September (19.5 days).
The month with the least rainy days is January (11.8 days).
Average snowfall in April
Houston, TX
- Average snowfall in April: 0"
The month with the highest snowfall is December (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in April
Houston, TX
- Average snowfall days in April: 0 days
The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in April /
Average sunshine in April
Houston, TX
- Average daylight in April: 12h and 54min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in April: 8h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in April
Houston, TX
- Average sunshine days in April: 12.8 days
The month with the most sunshine days is January (16.3 days).
The month with the least sunshine days is September (7.9 days).
Average UV index in April
Houston, TX
- Average UV index in April: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in April
Houston, TX
- Average cloud cover in April: 42
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in April
Houston, 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).
