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 start of April brings a shift in the average high-temperature, increasing from March's fresh 52.3°F (11.3°C) to a refreshing 64°F (17.8°C). In Retreat, the average temperature during the nights of April drops to a frosty 46°F (7.8°C).Humidity
In April, the average relative humidity is 77%.Rainfall
April is the month with the most rainfall. Rain falls for 16.7 days and accumulates 3.82" (97mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 0.8 snowfall days, in April, Retreat aggregates 0.12" (3mm) of snow. In Retreat, during the entire year, snow falls for 32.7 days and aggregates up to 9.69" (246mm) of snow.Daylight
In Retreat, the average length of the day in April is 13h and 14min.On the first day of April, sunrise is at 7:26 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 8:35 pm EDT.
Sunshine
In Retreat, the average sunshine in April is 7.4h.UV index
The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 4 during April leads to these advisories:
Take precautions - Protection against sun damage is advised. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the average humidity in April?
What is the rainiest month in Retreat?
How much does it rain in April?
What is the last month it snows?
How many hours of daylight does Retreat have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Retreat have in April?
What is the UV index reading in April?
Average temperature in April
Retreat, IN
- Average high temperature in April: 64°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in April: 46°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in April
Retreat, IN
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Retreat, IN
- Average wind speed in April: 8.1mph
The windiest months (with the highest average wind speed) are January and February (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in April
Retreat, IN
- Average humidity in April: 77%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (74%).
Average rainfall in April
Retreat, IN
- Average rainfall in April: 3.82"
The wettest month (with the highest rainfall) is April (3.82").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in April
Retreat, IN
- Average rainfall days in April: 16.7 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (9.9 days).
Average snowfall in April
Retreat, IN
- Average snowfall in April: 0.12"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Retreat, IN
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (9 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
Retreat, IN
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 7h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 6min).
Average sunshine days in April
Retreat, IN
- Average sunshine days in April: 11.3 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in April
Retreat, IN
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Retreat, IN
- Average cloud cover in April: 44
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in April
Retreat, IN
- Average visibility in April: 6mi
The months with the highest visibility are March, April, June, October and November (6mi).
The months with the lowest visibility are January, February, May, July, August, September and December (5mi).
Retreat, Indiana, USA
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