Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
April comes with an increase, with the average high-temperature moving from a cool 55°F (12.8°C) in March to an enjoyable 65.8°F (18.8°C). During April, Saint Martins experiences an average low-temperature of 46.4°F (8°C) at night.Humidity
The average relative humidity in April is 74%.Rainfall
In Saint Martins, in April, during 14.4 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. In Saint Martins, during the entire year, the rain falls for 133.5 days and collects up to 25.2" (640mm) of precipitation.Snowfall
In Saint Martins, snow does not fall in April through September.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 7:33 pm. On the last day of April, sunrise is at 6:12 am and sunset at 8:00 pm CDT.
Sunshine
The average sunshine in April is 8.4h.UV index
In Saint Martins, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 5 in April translates into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
How much does it rain in April?
When it does not snow?
Does it snow in April?
How many hours of daylight does Saint Martins have in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April in Saint Martins?
Average temperature in April
Saint Martins, MO
- Average high temperature in April: 65.8°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in April: 46.4°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 (24.3°F).
Average pressure in April
Saint Martins, 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 Martins, MO
- Average wind speed in April: 8.8mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in April
Saint Martins, 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 Martins, MO
- Average rainfall in April: 2.99"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in April
Saint Martins, MO
- Average rainfall days in April: 14.4 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in April
Saint Martins, MO
- Average snowfall in April: 0"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in April
Saint Martins, MO
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is February (6.1 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 Martins, 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 Martins, MO
- Average sunshine days in April: 14.4 days
The month with the most sunshine days is December (20.8 days).
The month with the least sunshine days is July (13.7 days).
Average UV index in April
Saint Martins, MO
- Average UV index in April: 5
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 Martins, 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, July and August (Cloud cover 28).
Average visibility in April
Saint Martins, 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 Martins, Missouri, USA
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