April weather forecastHouston, DE
April
Weather in April
April is a mild spring month in Houston, Delaware, with an average temperature ranging between max 60.6°F (15.9°C) and min 47.7°F (8.7°C).Temperature
The shift into April is marked by a rise in the average high-temperature, moving from March's frosty 49.8°F (9.9°C) to a moderate 60.6°F (15.9°C). Houston temperatures generally rest at a low of 47.7°F (8.7°C) during the April nights.Humidity
In April, the average relative humidity is 75%.Rainfall
In April, the rain falls for 13.5 days. Throughout April, 1.61" (41mm) of precipitation is accumulated. Throughout the year, there are 152.4 rainfall days, and 25.94" (659mm) of precipitation is accumulated.Snowfall
In Houston, snow does not fall in April, June through October.Daylight
The average length of the day in April is 13h and 15min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:26 pm. On the last day of April, sunrise is at 6:04 am and sunset at 7:54 pm EDT.
Sunshine
In Houston, the average sunshine in April is 8.9h.UV index
In Houston, Delaware, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 4 in April converts into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Houston, DE
- Average high temperature in April: 60.6°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in April: 47.7°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in April
Houston, DE
- Average pressure in April: 30"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Houston, DE
- Average wind speed in April: 10.2mph
The windiest month (with the highest average wind speed) is February (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in April
Houston, DE
- Average humidity in April: 75%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in April
Houston, DE
- Average rainfall in April: 1.61"
The wettest month (with the highest rainfall) is August (3.07").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days in April
Houston, DE
- Average rainfall days in April: 13.5 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in April
Houston, DE
- Average snowfall in April: 0"
The month with the highest snowfall is January (1.22").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in April
Houston, DE
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are April, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Houston, DE
- Average daylight in April: 13h and 12min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 8h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in April
Houston, DE
- Average sunshine days in April: 14.7 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in April
Houston, DE
- Average UV index in April: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in April
Houston, DE
- Average cloud cover in April: 40
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in April
Houston, DE
- 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).





