April weather forecastChelsea, IA
April
Weather in April
April in Chelsea, Iowa, is a mild spring month, with an average temperature varying between 41.4°F (5.2°C) and 57.7°F (14.3°C).Temperature
With the arrival of April, the average high-temperature transitions from a chilly 45.1°F (7.3°C) in March to a mild 57.7°F (14.3°C). An average nighttime temperature of 41.4°F (5.2°C) is recorded during April.Humidity
In Chelsea, the average relative humidity in April is 74%.Rainfall
In Chelsea, in April, it is raining for 14.5 days, with typically 3.23" (82mm) of accumulated precipitation. In Chelsea, during the entire year, the rain falls for 139 days and collects up to 29.49" (749mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Chelsea, in April, during 1.4 snowfall days, 0.79" (20mm) of snow is typically accumulated. Throughout the year, in Chelsea, there are 39 snowfall days, and 16.69" (424mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 23min.On the first day of April, sunrise is at 6:50 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:07 pm CDT.
Sunshine
The average sunshine in April is 7.6h.UV index
The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 in April interprets into the following recommendations:
Act with care - The need to guard against sun damage is communicated. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be on the lookout! Nearly twofold UV radiation 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
Chelsea, IA
- Average high temperature in April: 57.7°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (25.9°F).
- Average low temperature in April: 41.4°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in April
Chelsea, IA
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in April
Chelsea, IA
- Average wind speed in April: 10.8mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in April
Chelsea, IA
- Average humidity in April: 74%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Chelsea, IA
- Average rainfall in April: 3.23"
The wettest month (with the highest rainfall) is May (4.61").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in April
Chelsea, IA
- Average rainfall days in April: 14.5 days
The month with the highest number of rainy days is June (19.3 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in April
Chelsea, IA
- Average snowfall in April: 0.79"
The month with the highest snowfall is January (5.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Chelsea, IA
- Average snowfall days in April: 1.4 days
The month with the highest number of snowfall days is February (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Chelsea, IA
- Average daylight in April: 13h and 24min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 7h and 36min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in April
Chelsea, IA
- Average sunshine days in April: 13.4 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is June (8.4 days).
Average UV index in April
Chelsea, IA
- Average UV index in April: 3
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in April
Chelsea, IA
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in April
Chelsea, IA
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).





