April weather forecastSaint Thomas, MO
April
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 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 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: 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: 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: 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: 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).
