April weather forecastMerwin, MO
April
Weather in April
April is a comfortable spring month in Merwin, Missouri, with temperature in the range of an average high of 65.1°F (18.4°C) and an average low of 46.9°F (8.3°C).Temperature
The beginning of April marks a shift in the average high-temperature, moving from March's cool 55°F (12.8°C) to a refreshing 65.1°F (18.4°C). During the month of April, an average temperature of 46.9°F (8.3°C) is noted during the nights.Humidity
In April, the average relative humidity is 75%.Rainfall
In Merwin, in April, during 12.3 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. Throughout the year, there are 114.1 rainfall days, and 13.9" (353mm) of precipitation is accumulated.Snowfall
April, June through September are months without snowfall.Daylight
The average length of the day in April is 13h and 14min.On the first day of the month, sunrise is at 7:01 am and sunset at 7:42 pm. On the last day of April, sunrise is at 6:21 am and sunset at 8:09 pm CDT.
Sunshine
In April, the average sunshine is 8.4h.UV index
In Merwin, the average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In April, the maximum UV index of 5 translates into these guidelines:
Take precautions - Protection against sun damage is advised. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Merwin, MO
- Average high temperature in April: 65.1°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in April: 46.9°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in April
Merwin, MO
- Average pressure in April: 29.92"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
Merwin, MO
- Average wind speed in April: 10.1mph
The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in April
Merwin, MO
- Average humidity in April: 75%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Merwin, MO
- Average rainfall in April: 1.34"
The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in April
Merwin, MO
- Average rainfall days in April: 12.3 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in April
Merwin, MO
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, June, July, August and September (0").
Average snowfall days in April
Merwin, MO
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Merwin, 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 July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in April
Merwin, MO
- Average sunshine days in April: 15.8 days
The month with the most sunshine days is January (25.2 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in April
Merwin, MO
- Average UV index in April: 5
The months with the highest UV index are May, 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
Merwin, MO
- Average cloud cover in April: 41
The month with the most cloud cover is March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in April
Merwin, 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).





