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 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
April's onset in Richardson is marked by a subtle temperature increase, moving from an enjoyable 66.7°F (19.3°C) in March to a warm 74.8°F (23.8°C). Richardson registers a consistent average low-temperature of 56.1°F (13.4°C) during April.Humidity
In Richardson, the average relative humidity in April is 70%.Rainfall
In Richardson, Texas, in April, during 10.1 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. In Richardson, during the entire year, the rain falls for 118.4 days and collects up to 15.51" (394mm) of precipitation.Snowfall
March through October are months without snowfall in Richardson.Daylight
The average length of the day in April in Richardson is 13h and 1min.On the first day of the month, sunrise is at 7:13 am and sunset at 7:47 pm. On the last day of April, sunrise is at 6:39 am and sunset at 8:08 pm CDT.
Sunshine
In Richardson, the average sunshine in April is 8.1h.UV index
In Richardson, the average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 5 during April translates into the following directions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Frequently asked questions
What is the usual temperature for Richardson in April?
What is the average humidity in April in Richardson?
How many days does it rain in April in Richardson?
When it does not snow in Richardson?
How many hours of daylight does Richardson have in April?
What time are sunrise and sunset in April in Richardson?
How long on average sun shines in April in Richardson?
How high is the UV index in April in Richardson?
Average temperature in April
Richardson, TX
- Average high temperature in April: 74.8°F
The warmest month (with the highest average high temperature) is August (95.7°F).
The month with the lowest average high temperature is January (54°F).
- Average low temperature in April: 56.1°F
The month with the highest average low temperature is August (76.5°F).
The coldest month (with the lowest average low temperature) is January (38.7°F).
Average pressure in April
Richardson, TX
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Richardson, TX
- Average wind speed in April: 9.9mph
The windiest months (with the highest average wind speed) are March and April (9.9mph).
The calmest month (with the lowest average wind speed) is September (6.7mph).
Average humidity in April
Richardson, 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 (56%).
Average rainfall in April
Richardson, TX
- Average rainfall in April: 1.38"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in April
Richardson, TX
- Average rainfall days in April: 10.1 days
The month with the highest number of rainy days is September (13.1 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in April
Richardson, TX
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in April
Richardson, TX
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Richardson, TX
- Average daylight in April: 13h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in April
Richardson, TX
- Average sunshine days in April: 16.5 days
The month with the most sunshine days is January (23.7 days).
The month with the least sunshine days is September (14.5 days).
Average UV index in April
Richardson, TX
- Average UV index in April: 5
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in April
Richardson, TX
- Average cloud cover in April: 37
The months with the most cloud cover are February and March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in April
Richardson, 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).
Richardson, Texas, USA
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