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 arrival of April signals an increase in the average high-temperature, moving from a chilly 43.5°F (6.4°C) in March to a fresh 55.2°F (12.9°C). Decatur observes an average low-temperature of 38.8°F (3.8°C) during April nights.Humidity
The months with the lowest humidity are April and October, with an average relative humidity of 77%.Rainfall
In April, the rain falls for 14.4 days. Throughout April, 1.97" (50mm) of precipitation is accumulated. Throughout the year, in Decatur, there are 139.4 rainfall days, and 20" (508mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Decatur, during April, snow falls for 2.6 days and regularly aggregates up to 0.91" (23mm) of snow. In Decatur, during the entire year, snow falls for 63 days and aggregates up to 14.45" (367mm) of snow.Daylight
In April, the average length of the day in Decatur is 13h and 23min.On the first day of April, sunrise is at 7:25 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 8:42 pm EDT.
Sunshine
In Decatur, the average sunshine in April is 6.5h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A maximum high UV index of 3 in April translates into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. When the Sun is at its strongest around midday, find shade and limit exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the least humid month in Decatur?
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?
What time are sunrise and sunset in April in Decatur?
How long on average sun shines in April?
What is the UV index intensity in April?
Average temperature in April
Decatur, MI
- Average high temperature in April: 55.2°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in April: 38.8°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in April
Decatur, MI
- Average pressure in April: 29.96"Hg
The months with the highest atmospheric pressure are January, March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Decatur, MI
- Average wind speed in April: 9.9mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in April
Decatur, MI
- Average humidity in April: 77%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in April
Decatur, MI
- Average rainfall in April: 1.97"
The wettest month (with the highest rainfall) is June (2.6").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in April
Decatur, MI
- Average rainfall days in April: 14.4 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in April
Decatur, MI
- Average snowfall in April: 0.91"
The month with the highest snowfall is January (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Decatur, MI
- Average snowfall days in April: 2.6 days
The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Decatur, MI
- 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 12min).
- Average sunshine in April: 6h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in April
Decatur, MI
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is March (14.4 days).
The month with the least sunshine days is January (9.8 days).
Average UV index in April
Decatur, MI
- Average UV index in April: 3
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Decatur, MI
- Average cloud cover in April: 52
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in April
Decatur, MI
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Decatur, Michigan, USA
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