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 arrival of April signals an increase in the average high-temperature, moving from a chilly 46.9°F (8.3°C) in March to a mild 59.4°F (15.2°C). Throughout April, Polk City's nights cool down to an average of 42.4°F (5.8°C).Humidity
In Polk City, the average relative humidity in April is 72%.Rainfall
In Polk City, Iowa, during April, the rain falls for 13.1 days and regularly aggregates up to 1.3" (33mm) of precipitation. In Polk City, during the entire year, the rain falls for 114.6 days and collects up to 15.51" (394mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Polk City. In Polk City, in April, during 0.8 snowfall days, 0.24" (6mm) of snow is typically accumulated. In Polk City, during the entire year, snow falls for 29.6 days and aggregates up to 6.77" (172mm) of snow.Daylight
In April, the average length of the day is 13h and 22min.On the first day of April in Polk City, Iowa, sunrise is at 6:56 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:12 pm CDT.
Sunshine
The average sunshine in April in Polk City, Iowa, is 8.1h.UV index
The average daily maximum UV index in April in Polk City is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In April, a daily UV index of 4 turns into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Polk City in April?
What is the average humidity in April in Polk City?
How much does it rain in Polk City in April?
How much does it snow in Polk City in April?
What is the average length of the day in April in Polk City?
When is the sunrise / sunset in April in Polk City?
How many hours of sunshine does Polk City have in April?
What is the UV index intensity in April in Polk City?
Average temperature in April
Polk City, IA
- Average high temperature in April: 59.4°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in April: 42.4°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in April
Polk City, IA
- 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 (29.88"Hg).
Average wind speed in April
Polk City, IA
- Average wind speed in April: 10.4mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in April
Polk City, IA
- Average humidity in April: 72%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Polk City, IA
- Average rainfall in April: 1.3"
The wettest months (with the highest rainfall) are May and June (2.52").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in April
Polk City, IA
- Average rainfall days in April: 13.1 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in April
Polk City, IA
- Average snowfall in April: 0.24"
The month with the highest snowfall is January (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Polk City, IA
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Polk City, 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: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in April
Polk City, IA
- Average sunshine days in April: 14.8 days
The month with the most sunshine days is December (22.8 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in April
Polk City, IA
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Polk City, IA
- Average cloud cover in April: 44
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 28).
Average visibility in April
Polk City, IA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Polk City, Iowa, USA
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