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 arrival brings a change in high-temperatures, moving from a fresh 54.9°F (12.7°C) in March to a refreshing 66.2°F (19°C). The low-temperature averages to a chilly 46.9°F (8.3°C) during the nights of April.Humidity
The average relative humidity in April in Washington is 75%.Rainfall
The months with the most rainfall are April and May, with an average 3.23" (82mm) of precipitation.Snowfall
April through August and October are months without snowfall in Washington.Daylight
In Washington, the average length of the day in April is 13h and 14min.On the first day of April, sunrise is at 6:47 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 7:55 pm CDT.
Sunshine
The average sunshine in April is 8.4h.UV index
The average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 4 in April transforms into the following instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
What is the temperature in April in Washington?
What is the average humidity in April in Washington?
What is the rainiest month in Washington?
How many days does it rain in April in Washington?
When it does not snow in Washington?
Does it snow in Washington in April?
What is the average length of the day in April in Washington?
When are sunrise and sunset in April in Washington?
How long on average sun shines in April in Washington?
What is the UV index intensity in April in Washington?
Average temperature in April
Washington, MO
- Average high temperature in April: 66.2°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in April: 46.9°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure in April
Washington, MO
- 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 (29.92"Hg).
Average wind speed in April
Washington, MO
- Average wind speed in April: 8.3mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in April
Washington, MO
- Average humidity in April: 75%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Washington, MO
- Average rainfall in April: 3.23"
The wettest months (with the highest rainfall) are April and May (3.23").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in April
Washington, MO
- Average rainfall days in April: 13.3 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in April
Washington, MO
- Average snowfall in April: 0"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in April
Washington, MO
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Washington, MO
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 8h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in April
Washington, MO
- Average sunshine days in April: 15.5 days
The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in April
Washington, MO
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Washington, MO
- Average cloud cover in April: 42
The months with the most cloud cover are January and February (Cloud cover 50).
The months with the least cloud cover are June, July and August (Cloud cover 30).
Average visibility in April
Washington, MO
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, September, October, November and December (6mi).
The months with the lowest visibility are May and August (5mi).
Washington, Missouri, USA
Weather forecast for your location
2. Allow the app to use your location
