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
Chelsea in April experiences an increase in the average high-temperature, moving from March's frosty 45.1°F (7.3°C) to a refreshing 57.7°F (14.3°C). Nighttime temperatures in April average to a wintry 41.4°F (5.2°C).Humidity
In Chelsea, Iowa, the average relative humidity in April is 74%.Rainfall
In Chelsea, during April, the rain falls for 14.5 days and regularly aggregates up to 3.23" (82mm) of precipitation. Throughout the year, in Chelsea, there are 139 rainfall days, and 29.49" (749mm) of precipitation is accumulated.Snowfall
Months with snowfall in Chelsea are January through May, October through December. In Chelsea, during April, snow falls for 1.4 days and regularly aggregates up to 0.79" (20mm) of snow. In Chelsea, during the entire year, snow falls for 39 days and aggregates up to 16.69" (424mm) of snow.Daylight
In Chelsea, the average length of the day in April is 13h and 23min.On the first day of the month, sunrise is at 6:50 am and sunset at 7:35 pm. On the last day of April, in Chelsea, Iowa, sunrise is at 6:05 am and sunset at 8:07 pm CDT.
Sunshine
In April, the average sunshine is 7.6h.UV index
In Chelsea, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 3 in April interprets into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
What are the temperatures in Chelsea in April?
What is the average humidity in April in Chelsea?
How much does it rain in Chelsea in April?
How much does it snow in Chelsea in April?
How many hours of daylight does Chelsea have in April?
What time are sunrise and sunset in April in Chelsea?
How long on average sun shines in April in Chelsea?
How high is the UV index in April in Chelsea?
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 2min
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 4min
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).
Chelsea, Iowa, USA
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