April weather forecastHiara Heights, TN
April
Weather in April
April is a comfortable spring month in Hiara Heights, Tennessee, with an average temperature ranging between max 67.5°F (19.7°C) and min 45.5°F (7.5°C).Temperature
April brings an increase in the average high-temperature, progressing from a mild 56.1°F (13.4°C) in March to a comfortable 67.5°F (19.7°C). Despite substantial daily fluctuations, the average low-temperature in Hiara Heights is a chilly 45.5°F (7.5°C) during April.Humidity
The average relative humidity in April is 75%.Rainfall
In Hiara Heights, in April, it is raining for 14.1 days, with typically 2.13" (54mm) of accumulated precipitation. Throughout the year, there are 147.1 rainfall days, and 23.46" (596mm) of precipitation is accumulated.Snowfall
Months with snowfall in Hiara Heights are January through April, November and December. April is the last month it regularly snows. During 0.2 snowfall days, in April, Hiara Heights aggregates 0.12" (3mm) of snow. In Hiara Heights, during the entire year, snow falls for 16.7 days and aggregates up to 5.35" (136mm) of snow.Daylight
In Hiara Heights, the average length of the day in April is 13h and 9min.On the first day of April in Hiara Heights, sunrise is at 7:15 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 8:18 pm EDT.
Sunshine
In Hiara Heights, the average sunshine in April is 8.8h.UV index
The average daily maximum UV index in April in Hiara Heights is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 5 during April translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Hiara Heights, TN
- Average high temperature in April: 67.5°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in April: 45.5°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in April
Hiara Heights, TN
- Average pressure in April: 30.01"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in April
Hiara Heights, 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
Hiara Heights, TN
- Average humidity in April: 75%
The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are July, August, September and November (74%).
Average rainfall in April
Hiara Heights, TN
- Average rainfall in April: 2.13"
The wettest month (with the highest rainfall) is February (3.03").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days in April
Hiara Heights, TN
- Average rainfall days in April: 14.1 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is November (8 days).
Average snowfall in April
Hiara Heights, TN
- Average snowfall in April: 0.12"
The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Hiara Heights, TN
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is January (5.2 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
Hiara Heights, TN
- Average daylight in April: 13h and 12min
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 42min).
- Average sunshine in April: 8h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in April
Hiara Heights, TN
- Average sunshine days in April: 14.7 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in April
Hiara Heights, 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
Hiara Heights, TN
- Average cloud cover in April: 38
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in April
Hiara Heights, TN
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).





