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 witnesses an increase in the average high-temperature, moving from a frosty 45.3°F (7.4°C) in March to a mild 57.9°F (14.4°C). During the month of April, the nighttime temperature in Arthur falls to an average of 41.5°F (5.3°C).Humidity
April and October, with an average relative humidity of 67%, are the least humid months.Rainfall
In Arthur, in April, it is raining for 11.1 days, with typically 0.98" (25mm) of accumulated precipitation. In Arthur, during the entire year, the rain falls for 97 days and collects up to 10.12" (257mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.1 snowfall days, in April, Arthur aggregates 0.39" (10mm) of snow. In Arthur, during the entire year, snow falls for 30.1 days and aggregates up to 4.49" (114mm) of snow.Daylight
The average length of the day in April is 13h and 24min.On the first day of the month, sunrise is at 7:02 am and sunset at 7:47 pm. On the last day of April, sunrise is at 6:16 am and sunset at 8:20 pm CDT.
Sunshine
The average sunshine in April is 8h.UV index
The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In April, a daily maximum UV index of 4 leads to the following instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Stay sun-safe with clothing that is both closely woven and worn loosely. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What are the least humid months?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
Arthur, IA
- Average high temperature in April: 57.9°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in April: 41.5°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure in April
Arthur, 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 (29.87"Hg).
Average wind speed in April
Arthur, IA
- Average wind speed in April: 11.2mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in April
Arthur, IA
- Average humidity in April: 67%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are April and October (67%).
Average rainfall in April
Arthur, IA
- Average rainfall in April: 0.98"
The wettest month (with the highest rainfall) is May (1.57").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in April
Arthur, IA
- Average rainfall days in April: 11.1 days
The month with the highest number of rainy days is May (13.8 days).
The months with the least rainy days are January and February (2.3 days).
Average snowfall in April
Arthur, IA
- Average snowfall in April: 0.39"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Arthur, IA
- Average snowfall days in April: 1.1 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Arthur, 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 6min).
- Average sunshine in April: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in April
Arthur, IA
- Average sunshine days in April: 16.4 days
The month with the most sunshine days is November (23 days).
The month with the least sunshine days is May (14.2 days).
Average UV index in April
Arthur, 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 and February (UV index 1).
Average cloud cover in April
Arthur, IA
- Average cloud cover in April: 44
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in April
Arthur, 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).
Arthur, Iowa, USA
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