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 transition from March to April brings a temperature rise, with average high-temperatures increasing from a chilly 48.2°F (9°C) to a mild 59.7°F (15.4°C). Polen's nighttime temperature during April is consistently averaged at a cold 42.3°F (5.7°C).Humidity
The average relative humidity in April is 74%.Rainfall
In Polen, during April, the rain falls for 13.1 days and regularly aggregates up to 2.13" (54mm) of precipitation. Throughout the year, in Polen, there are 127.7 rainfall days, and 23.39" (594mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Polen, Iowa, during April, snow falls for 1.6 days and regularly aggregates up to 1.18" (30mm) of snow. Throughout the year, in Polen, there are 32.6 snowfall days, and 12.01" (305mm) of snow is accumulated.Daylight
The average length of the day in April in Polen is 13h and 20min.On the first day of April in Polen, Iowa, sunrise is at 6:59 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 8:13 pm CDT.
Sunshine
The average sunshine in April is 7.9h.UV index
In Polen, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 4 in April leads to these recommendations:
Make use of precautions - It is urged to ward off sun damage. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
What is the average April temperature in Polen?
What is the average humidity in April in Polen?
How many days does it rain in April in Polen?
How much does it snow in Polen in April?
How many hours of daylight does Polen have in April?
What time are sunrise and sunset in April in Polen?
How many hours of sunshine does Polen have in April?
What is the UV index intensity in April in Polen?
Average temperature in April
Polen, IA
- Average high temperature in April: 59.7°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in April: 42.3°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in April
Polen, IA
- Average pressure in April: 29.92"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
Polen, IA
- Average wind speed in April: 10.5mph
The windiest months (with the highest average wind speed) are January and February (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in April
Polen, IA
- Average humidity in April: 74%
The months with the highest relative humidity are January and June (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Polen, IA
- Average rainfall in April: 2.13"
The wettest month (with the highest rainfall) is June (4.17").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in April
Polen, IA
- Average rainfall days in April: 13.1 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (3.7 days).
Average snowfall in April
Polen, IA
- Average snowfall in April: 1.18"
The month with the highest snowfall is January (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Polen, IA
- Average snowfall days in April: 1.6 days
The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Polen, IA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 7h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in April
Polen, IA
- Average sunshine days in April: 13.9 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in April
Polen, IA
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Polen, IA
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July and September (Cloud cover 30).
Average visibility in April
Polen, IA
- 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).
Polen, Iowa, USA
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