April weather forecast
Saint Thomas, MO

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Weather in April

April in Saint Thomas, Missouri, is a refreshing spring month, with temperature in the range of an average high of 66°F (18.9°C) and an average low of 46.2°F (7.9°C).

Temperature

The start of April brings a rise in the average high-temperature, moving from a cool 55.2°F (12.9°C) in March to a comfortable 66°F (18.9°C). An average low-temperature of 46.2°F (7.9°C) is observed during the April nights.

Humidity

In April, the average relative humidity is 74%.

Rainfall

In Saint Thomas, in April, it is raining for 11 days, with typically 1.06" (27mm) of accumulated precipitation. Throughout the year, there are 93.7 rainfall days, and 9.29" (236mm) of precipitation is accumulated.

Snowfall

In Saint Thomas, snow does not fall in April through October.

Daylight

The average length of the day in April is 13h and 14min.
On the first day of the month, sunrise is at 6:52 am and sunset at 7:32 pm. On the last day of April, sunrise is at 6:12 am and sunset at 7:59 pm CDT.

Sunshine

The average sunshine in April is 8.4h.

UV index

In Saint Thomas, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 4 during April translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in April?

The high-temperature during April is 66°F (18.9°C) and the low-temperature is 46.2°F (7.9°C).

What is the average humidity in April?

The average relative humidity in April is 74%.

How much does it rain in April?

In Saint Thomas, in April, it is raining for 11 days, with typically 1.06" (27mm) of accumulated precipitation.

When it does not snow?

April through October are months without snowfall.

Does it snow in April?

In April, it doesn't snow. March is the latest month when it typically snows.

How many hours of daylight does Saint Thomas have in April?

In April, the average day length is 13h and 14min.

When is the sunrise / sunset in April?

In April, on the first day of the month, sunrise is at 6:52 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 7:59 pm CDT.

How long on average sun shines in April?

In April, the average sunshine duration is 8.4h.

What is the UV index reading in April in Saint Thomas?

The average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Saint Thomas, MO

Average temperature in April - Saint Thomas, MO
  • Average high temperature in April: 66°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (38.5°F).

  • Average low temperature in April: 46.2°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in April
Saint Thomas, MO

Average pressure in April - Saint Thomas, 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
Saint Thomas, MO

Average wind speed in April - Saint Thomas, MO
  • Average wind speed in April: 8.6mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in April
Saint Thomas, MO

Average humidity in April - Saint Thomas, MO
  • Average humidity in April: 74%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (72%).

Average rainfall in April
Saint Thomas, MO

Average rainfall in April - Saint Thomas, MO
  • Average rainfall in April: 1.06"

The wettest month (with the highest rainfall) is May (1.3").
The driest month (with the least rainfall) is November (0.47").

Average rainfall days in April
Saint Thomas, MO

Average rainfall days in April - Saint Thomas, MO
  • Average rainfall days in April: 11 days

The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is January (4 days).

Average snowfall in April
Saint Thomas, MO

Average snowfall in April - Saint Thomas, MO
  • Average snowfall in April: 0"

The month with the highest snowfall is January (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in April
Saint Thomas, MO

Average snowfall days in April - Saint Thomas, MO
  • Average snowfall days in April: 0.1 days

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
Saint Thomas, MO

Average daylight in April / Average sunshine in April - Saint Thomas, 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 month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in April
Saint Thomas, MO

Average sunshine days in April - Saint Thomas, MO
  • Average sunshine days in April: 18.3 days

The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is May (16.7 days).

Average UV index in April
Saint Thomas, MO

Average UV index in April - Saint Thomas, 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
Saint Thomas, MO

Average cloud cover in April - Saint Thomas, MO
  • Average cloud cover in April: 42

The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 28).

Average visibility in April
Saint Thomas, MO

Average visibility in April - Saint Thomas, 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).

Saint Thomas, Missouri, USA

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