April weather forecastPostoak, TN
April
Weather in April
April in Postoak, Tennessee, is a pleasant spring month, with an average temperature ranging between max 68°F (20°C) and min 47.8°F (8.8°C).Temperature
The arrival of April brings a change in Postoak's weather, with average high-temperatures moving from March's mild 57°F (13.9°C) to an agreeable 68°F (20°C). Throughout April, Postoak witnesses a consistent average low-temperature of 47.8°F (8.8°C).Humidity
The average relative humidity in April is 77%.Rainfall
In April, the rain falls for 14.5 days. Throughout April, 3.82" (97mm) of precipitation is accumulated. In Postoak, during the entire year, the rain falls for 176.6 days and collects up to 39.41" (1001mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.2 snowfall days, in April, Postoak aggregates 0.04" (1mm) of snow. Throughout the year, there are 11.6 snowfall days, and 3.15" (80mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 8min.On the first day of April, sunrise is at 7:23 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 8:25 pm EDT.
Sunshine
The average sunshine in April is 8.1h.UV index
In April, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 5 during April, leads to the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Postoak, TN
- Average high temperature in April: 68°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (43.7°F).
- Average low temperature in April: 47.8°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in April
Postoak, 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
Postoak, TN
- Average wind speed in April: 6.5mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in April
Postoak, TN
- Average humidity in April: 77%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is November (76%).
Average rainfall in April
Postoak, TN
- Average rainfall in April: 3.82"
The wettest month (with the highest rainfall) is July (4.29").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in April
Postoak, TN
- Average rainfall days in April: 14.5 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (10.7 days).
Average snowfall in April
Postoak, TN
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Postoak, TN
- Average snowfall days in April: 0.2 days
The months with the highest number of snowfall days are January and February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Postoak, 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 6min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 54min).
Average sunshine days in April
Postoak, TN
- Average sunshine days in April: 13.9 days
The months with the most sunshine days are October and November (18.5 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in April
Postoak, 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
Postoak, TN
- Average cloud cover in April: 39
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in April
Postoak, TN
- Average visibility in April: 6mi
The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).





