April weather forecastWashington, MO
April
Weather in April
April in Washington, Missouri, is an enjoyable spring month, with an average temperature varying between 66.2°F (19°C) and 46.9°F (8.3°C).Temperature
Washington in April sees a temperature change, with average high-temperatures moving from a fresh 54.9°F (12.7°C) in March to a comfortable 66.2°F (19°C). Washington, in April, observes a steady average low-temperature of 46.9°F (8.3°C).Humidity
In April, the average relative humidity 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.Daylight
The average length of the day in April is 13h and 14min.On the first day of the month, sunrise is at 6:47 am and sunset at 7:27 pm. On the last day of April, sunrise is at 6:06 am and sunset at 7:55 pm CDT.
Sunshine
In Washington, the average sunshine in April is 8.4h.UV index
In April, the average daily maximum UV index in Washington is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In April, a daily UV index of 4 turns into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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 12min
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 24min
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).





