April weather forecastFlat Rock, IN
April
Weather in April
April in Flat Rock, Indiana, is an enjoyable spring month, with temperature in the range of an average low of 45.9°F (7.7°C) and an average high of 63.1°F (17.3°C).Temperature
As Flat Rock transitions into April, the average high-temperature is observed to rise from a fresh 51.1°F (10.6°C) in March to an enjoyable 63.1°F (17.3°C). The temperature in Flat Rock dips to an average of 45.9°F (7.7°C) during April nights.Humidity
In Flat Rock, the average relative humidity in April is 77%.Rainfall
In Flat Rock, Indiana, in April, during 16 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. In Flat Rock, during the entire year, the rain falls for 163.5 days and collects up to 29.29" (744mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows in Flat Rock. During 0.8 snowfall days, in April, Flat Rock aggregates 0.16" (4mm) of snow. In Flat Rock, during the entire year, snow falls for 34.1 days and aggregates up to 8.54" (217mm) of snow.Daylight
In Flat Rock, the average length of the day in April is 13h and 16min.On the first day of the month, sunrise is at 7:26 am and sunset at 8:07 pm. On the last day of April, sunrise is at 6:44 am and sunset at 8:36 pm EDT.
Sunshine
In Flat Rock, the average sunshine in April is 7.4h.UV index
In April, the average daily maximum UV index in Flat Rock is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 4 in April leads to these recommendations:
Undertake precautions - Guarding against sun damage is counselled. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Flat Rock, IN
- Average high temperature in April: 63.1°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in April: 45.9°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in April
Flat Rock, IN
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Flat Rock, IN
- Average wind speed in April: 8.7mph
The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in April
Flat Rock, IN
- Average humidity in April: 77%
The months with the highest relative humidity are January, February, July and December (81%).
The month with the lowest relative humidity is October (74%).
Average rainfall in April
Flat Rock, IN
- Average rainfall in April: 3.23"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in April
Flat Rock, IN
- Average rainfall days in April: 16 days
The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (9.4 days).
Average snowfall in April
Flat Rock, IN
- Average snowfall in April: 0.16"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Flat Rock, IN
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (9.6 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
Flat Rock, IN
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 7h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in April
Flat Rock, IN
- Average sunshine days in April: 11.8 days
The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in April
Flat Rock, 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
Flat Rock, 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 29).
Average visibility in April
Flat Rock, IN
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are July and December (5mi).
