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
With the onset of April, Keswick's average high-temperature experiences a rise, moving from March's chilly 47.1°F (8.4°C) to a moderate 59.5°F (15.3°C). During April, Keswick's temperature falls to a steady low-temperature average of 42.4°F (5.8°C).Humidity
The average relative humidity in April is 74%.Rainfall
In Keswick, in April, during 14.7 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. Throughout the year, there are 137.9 rainfall days, and 27.76" (705mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Keswick, during April, snow falls for 0.8 days and regularly aggregates up to 0.79" (20mm) of snow. In Keswick, during the entire year, snow falls for 32.8 days and aggregates up to 12.56" (319mm) of snow.Daylight
In Keswick, the average length of the day in April is 13h and 22min.On the first day of April in Keswick, sunrise is at 6:50 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:06 pm CDT.
Sunshine
In Keswick, the average sunshine in April is 8h.UV index
In April, the average daily maximum UV index in Keswick, Iowa, is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 4 during April leads to these instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How many days does it rain in April?
How many days does it snow in April?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Keswick have in April?
What is the UV index intensity in April?
Average temperature in April
Keswick, IA
- Average high temperature in April: 59.5°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (28.6°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 (15.6°F).
Average pressure in April
Keswick, IA
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in April
Keswick, IA
- Average wind speed in April: 10.6mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in April
Keswick, IA
- Average humidity in April: 74%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Keswick, IA
- Average rainfall in April: 2.87"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in April
Keswick, IA
- Average rainfall days in April: 14.7 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in April
Keswick, IA
- Average snowfall in April: 0.79"
The month with the highest snowfall is January (4.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Keswick, IA
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Keswick, 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 12min).
- Average sunshine in April: 8h and 0min
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 12min).
Average sunshine days in April
Keswick, IA
- Average sunshine days in April: 12.5 days
The month with the most sunshine days is December (19.1 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in April
Keswick, IA
- Average UV index in April: 4
The months with the highest UV index are June and July (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
Keswick, IA
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility in April
Keswick, 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).
Keswick, Iowa, USA
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