April weather forecastHarbor Isles, TN
April
Weather in April
April is an agreeable spring month in Harbor Isles, Tennessee, with an average temperature varying between 69.8°F (21°C) and 50.5°F (10.3°C).Temperature
April's onset is marked by a temperature increase, moving from a moderate 59.2°F (15.1°C) in March to an agreeable 69.8°F (21°C). Harbor Isles throughout April, experiences an average nighttime temperature of 50.5°F (10.3°C).Humidity
In April, the average relative humidity is 74%.Rainfall
In Harbor Isles, in April, during 12.5 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. In Harbor Isles, during the entire year, the rain falls for 150.1 days and collects up to 24.41" (620mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Harbor Isles. April is the last month it regularly snows. During 0.3 snowfall days, in April, Harbor Isles aggregates 0.08" (2mm) of snow. Throughout the year, there are 12.1 snowfall days, and 2.24" (57mm) of snow is accumulated.Daylight
In Harbor Isles, the average length of the day in April is 13h and 8min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:08 pm. On the last day of April, sunrise is at 5:53 am and sunset at 7:32 pm CDT.
Sunshine
In April, the average sunshine is 8.8h.UV index
The average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 5 in April converts into the following recommendations:
Act with care - The need to guard against sun damage is communicated. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Harbor Isles, TN
- Average high temperature in April: 69.8°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in April: 50.5°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in April
Harbor Isles, TN
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in April
Harbor Isles, TN
- Average wind speed in April: 7.8mph
The windiest month (with the highest average wind speed) is February (8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in April
Harbor Isles, TN
- Average humidity in April: 74%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are June, August and October (73%).
Average rainfall in April
Harbor Isles, TN
- Average rainfall in April: 2.32"
The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is November (1.38").
Average rainfall days in April
Harbor Isles, TN
- Average rainfall days in April: 12.5 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (7.7 days).
Average snowfall in April
Harbor Isles, TN
- Average snowfall in April: 0.08"
The month with the highest snowfall is January (0.71").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Harbor Isles, TN
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (3.5 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
Harbor Isles, 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 48min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in April
Harbor Isles, TN
- Average sunshine days in April: 14.5 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in April
Harbor Isles, 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 February and December (UV index 2).
Average cloud cover in April
Harbor Isles, TN
- Average cloud cover in April: 39
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in April
Harbor Isles, TN
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
