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
The shift into April brings an increase in the average high-temperature, moving from a cool 53.2°F (11.8°C) in March to a refreshing 64.6°F (18.1°C). An average low-temperature of 46.8°F (8.2°C) marks the month of April.Humidity
In April, the average relative humidity in West Alton is 76%.Rainfall
In West Alton, during April, the rain falls for 13 days and regularly aggregates up to 2.01" (51mm) of precipitation. In West Alton, during the entire year, the rain falls for 128.3 days and collects up to 18.9" (480mm) of precipitation.Snowfall
April through October are months without snowfall in West Alton.Daylight
The average length of the day in April is 13h and 15min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:24 pm. On the last day of April, in West Alton, sunrise is at 6:03 am and sunset at 7:52 pm CDT.
Sunshine
In April, the average sunshine is 8.4h.UV index
In April, the average daily maximum UV index in West Alton is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 4 during April translates into the following directions:
Put precautions into practice - Protective measures against sun-induced damage are advised. To guard against the harmful effects of the Sun, minimize exposure during midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
What is the temperature in April in West Alton?
What is the average humidity in April in West Alton?
How many days does it rain in April in West Alton?
When it does not snow in West Alton?
Does it snow in West Alton in April?
What is the average length of the day in April in West Alton?
When are sunrise and sunset in April in West Alton?
How many hours of sunshine does West Alton have in April?
What is the UV index reading in April in West Alton?
Average temperature in April
West Alton, MO
- Average high temperature in April: 64.6°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in April: 46.8°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in April
West Alton, MO
- Average pressure in April: 29.94"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
West Alton, MO
- Average wind speed in April: 9.3mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in April
West Alton, MO
- Average humidity in April: 76%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
West Alton, MO
- Average rainfall in April: 2.01"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in April
West Alton, MO
- Average rainfall days in April: 13 days
The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in April
West Alton, MO
- Average snowfall in April: 0"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
West Alton, MO
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (5.4 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
West Alton, 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 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 30min).
Average sunshine days in April
West Alton, MO
- Average sunshine days in April: 15.1 days
The month with the most sunshine days is December (21 days).
The month with the least sunshine days is June (12.6 days).
Average UV index in April
West Alton, 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
West Alton, MO
- Average cloud cover in April: 42
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in April
West Alton, 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).
West Alton, Missouri, USA
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