April weather forecastSeymour, MO
April
Weather in April
April is a refreshing spring month in Seymour, Missouri, with temperature in the range of an average low of 47.3°F (8.5°C) and an average high of 66°F (18.9°C).Temperature
The shift into April is characterized by a rise in the average high-temperature, transitioning from March's refreshing 55.9°F (13.3°C) to a comfortable 66°F (18.9°C). An average low-temperature of 47.3°F (8.5°C) is expected during April.Humidity
In Seymour, the average relative humidity in April is 76%.Rainfall
In April, the rain falls for 15.8 days. Throughout April, 3.9" (99mm) of precipitation is accumulated. In Seymour, during the entire year, the rain falls for 159.6 days and collects up to 36.22" (920mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Seymour, Missouri, in April, during 0.7 snowfall days, 0.2" (5mm) of snow is typically accumulated. In Seymour, during the entire year, snow falls for 21.8 days and aggregates up to 10.75" (273mm) of snow.Daylight
In Seymour, the average length of the day in April is 13h and 11min.On the first day of April, sunrise is at 6:55 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 7:59 pm CDT.
Sunshine
In April, the average sunshine is 8.4h.UV index
In Seymour, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In April, a daily UV index of 4 turns into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Seymour, MO
- Average high temperature in April: 66°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (41°F).
- Average low temperature in April: 47.3°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in April
Seymour, MO
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Seymour, MO
- Average wind speed in April: 9.4mph
The windiest months (with the highest average wind speed) are January and March (9.5mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in April
Seymour, MO
- Average humidity in April: 76%
The months with the highest relative humidity are March and May (78%).
The month with the lowest relative humidity is October (73%).
Average rainfall in April
Seymour, MO
- Average rainfall in April: 3.9"
The wettest month (with the highest rainfall) is May (4.84").
The driest month (with the least rainfall) is January (1.77").
Average rainfall days in April
Seymour, MO
- Average rainfall days in April: 15.8 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in April
Seymour, MO
- Average snowfall in April: 0.2"
The month with the highest snowfall is February (3.5").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Seymour, MO
- Average snowfall days in April: 0.7 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Seymour, MO
- Average daylight in April: 13h and 12min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in April: 8h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days in April
Seymour, MO
- Average sunshine days in April: 12.4 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in April
Seymour, 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
Seymour, MO
- Average cloud cover in April: 42
The month with the most cloud cover is March (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 29).
Average visibility in April
Seymour, MO
- 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).





