April weather forecastBlue Grass, TN
April
Weather in April
April is an agreeable spring month in Blue Grass, Tennessee, with an average temperature varying between 69.1°F (20.6°C) and 48.2°F (9°C).Temperature
April's arrival sees a rise in the average high-temperature, jumping from March's refreshing 58.1°F (14.5°C) to a pleasant 69.1°F (20.6°C). In Blue Grass, in April, the average low-temperature is a frosty 48.2°F (9°C).Humidity
In April, the average relative humidity is 76%.Rainfall
In Blue Grass, during April, the rain falls for 15.4 days and regularly aggregates up to 3.78" (96mm) of precipitation. In Blue Grass, during the entire year, the rain falls for 177.6 days and collects up to 37.91" (963mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 0.3 snowfall days, in April, Blue Grass aggregates 0.16" (4mm) of snow. Throughout the year, there are 19 snowfall days, and 5.59" (142mm) of snow is accumulated.Daylight
In Blue Grass, the average length of the day in April is 13h and 8min.On the first day of April, sunrise is at 7:21 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 8:22 pm EDT.
Sunshine
In April, the average sunshine is 8.5h.UV index
In Blue Grass, Tennessee, the average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 5 during April translates into these guidelines:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Blue Grass, TN
- Average high temperature in April: 69.1°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in April: 48.2°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in April
Blue Grass, TN
- Average pressure in April: 30"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in April
Blue Grass, TN
- Average wind speed in April: 6mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in April
Blue Grass, TN
- Average humidity in April: 76%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).
Average rainfall in April
Blue Grass, TN
- Average rainfall in April: 3.78"
The wettest month (with the highest rainfall) is February (4.33").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in April
Blue Grass, TN
- Average rainfall days in April: 15.4 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in April
Blue Grass, TN
- Average snowfall in April: 0.16"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Blue Grass, TN
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (5.5 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
Blue Grass, TN
- Average daylight in April: 13h and 6min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in April: 8h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in April
Blue Grass, TN
- Average sunshine days in April: 12.6 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in April
Blue Grass, TN
- Average UV index in April: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in April
Blue Grass, TN
- Average cloud cover in April: 37
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in April
Blue Grass, TN
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).





