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
As April arrives, a rise in the average high-temperature is observed, moving from a frosty 47.3°F (8.5°C) in March to a mild 59.4°F (15.2°C). Greenfield, during April nights, observes an average temperature of 42.1°F (5.6°C).Humidity
The average relative humidity in April in Greenfield is 73%.Rainfall
In Greenfield, in April, during 14.7 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. In Greenfield, during the entire year, the rain falls for 138.2 days and collects up to 28.23" (717mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Greenfield, during April, snow falls for 1.5 days and regularly aggregates up to 0.94" (24mm) of snow. Throughout the year, in Greenfield, there are 35.5 snowfall days, and 15.71" (399mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 21min.On the first day of the month, sunrise is at 6:59 am and sunset at 7:43 pm. On the last day of April, in Greenfield, sunrise is at 6:15 am and sunset at 8:14 pm CDT.
Sunshine
In Greenfield, the average sunshine in April is 8h.UV index
In April, the average daily maximum UV index in Greenfield is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In April, the maximum UV index of 3 suggests this advice:
Take necessary precautions - Suggestions to elude sunburn are provided. Direct Sun exposure should be minimized especially during midday when radiation is most intense. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in Greenfield?
What is the average humidity in April in Greenfield?
How many days does it rain in April in Greenfield?
How much does it snow in Greenfield in April?
What is the average length of the day in April in Greenfield?
When is the sunrise / sunset in April in Greenfield?
How many hours of sunshine does Greenfield have in April?
What is the UV index reading in April in Greenfield?
Average temperature in April
Greenfield, 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 (28.4°F).
- Average low temperature in April: 42.1°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 (14.9°F).
Average pressure in April
Greenfield, 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
Greenfield, IA
- Average wind speed in April: 10.5mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in April
Greenfield, IA
- Average humidity in April: 73%
The months with the highest relative humidity are January, February and June (82%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Greenfield, IA
- Average rainfall in April: 2.72"
The wettest month (with the highest rainfall) is June (4.49").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in April
Greenfield, IA
- Average rainfall days in April: 14.7 days
The month with the highest number of rainy days is June (18.5 days).
The month with the least rainy days is January (4 days).
Average snowfall in April
Greenfield, IA
- Average snowfall in April: 0.94"
The month with the highest snowfall is February (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Greenfield, IA
- Average snowfall days in April: 1.5 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Greenfield, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in April
Greenfield, IA
- Average sunshine days in April: 12.7 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in April
Greenfield, IA
- Average UV index in April: 3
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
Greenfield, 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 29).
Average visibility in April
Greenfield, IA
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Greenfield, Iowa, USA
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