April weather forecast
Seymour, MO

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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.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average April temperature?

Seymour in April has an average high-temperature of 66°F (18.9°C) and an average low-temperature of 47.3°F (8.5°C).

What is the average humidity in April?

In April, the average relative humidity is 76%.

How many days does it rain in April?

In Seymour, in April, during 15.8 rainfall days, 3.9" (99mm) of precipitation is typically accumulated.

How much does it snow in April?

In April, it is snowing for 0.7 days. Throughout April, 0.2" (5mm) of snow is accumulated.

What is the average length of the day in April?

The average day length in April is 13h and 11min.

When are sunrise and sunset in April?

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.

How many hours of sunshine does Seymour have in April?

In Seymour, the average sunshine duration in April is 8.4h.

What is the UV index reading in April?

In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Seymour, MO

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in April - Seymour, MO
  • Average daylight in April: 13h and 1min

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 2min

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 - 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 - 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 - 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 - 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).

Seymour, Missouri, USA

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