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
April signals a shift in the average high-temperature, moving from March's frosty 48.7°F (9.3°C) to a mild 60.4°F (15.8°C). In the month of April, Knowlton's average low-temperature falls to a cold 42.6°F (5.9°C).Humidity
The average relative humidity in April is 74%.Rainfall
In April, in Knowlton, the rain falls for 13.1 days. Throughout April, 1.93" (49mm) of precipitation is accumulated. In Knowlton, during the entire year, the rain falls for 126.9 days and collects up to 22.6" (574mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In April, in Knowlton, it is snowing for 0.8 days. Throughout April, 1.5" (38mm) of snow is accumulated. Throughout the year, in Knowlton, there are 28.7 snowfall days, and 11.85" (301mm) of snow is accumulated.Daylight
In Knowlton, the average length of the day in April is 13h and 20min.On the first day of April in Knowlton, 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
In April, the average sunshine is 8.2h.UV index
The average daily maximum UV index in April in Knowlton is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In April, the maximum UV index of 4 transforms into these recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the average April temperature in Knowlton?
What is the average humidity in April in Knowlton?
How much does it rain in Knowlton in April?
How much does it snow in Knowlton in April?
What is the average length of the day in April in Knowlton?
When are sunrise and sunset in April in Knowlton?
How many hours of sunshine does Knowlton have in April?
How high is the UV index in April in Knowlton?
Average temperature in April
Knowlton, IA
- Average high temperature in April: 60.4°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in April: 42.6°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in April
Knowlton, 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
Knowlton, IA
- Average wind speed in April: 10.2mph
The windiest months (with the highest average wind speed) are January, February and March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in April
Knowlton, IA
- Average humidity in April: 74%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Knowlton, IA
- Average rainfall in April: 1.93"
The wettest month (with the highest rainfall) is June (3.86").
The driest months (with the least rainfall) are February and December (0.71").
Average rainfall days in April
Knowlton, IA
- Average rainfall days in April: 13.1 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in April
Knowlton, IA
- Average snowfall in April: 1.5"
The month with the highest snowfall is January (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Knowlton, 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
Knowlton, 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: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in April
Knowlton, IA
- Average sunshine days in April: 14.3 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in April
Knowlton, 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
Knowlton, IA
- Average cloud cover in April: 43
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in April
Knowlton, 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).
Knowlton, Iowa, USA
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