Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
April's arrival is marked by an increase in the average high-temperature, moving from a refreshing 57.2°F (14°C) in March to an agreeable 68°F (20°C). Harriman throughout April, experiences an average nighttime temperature of 47.5°F (8.6°C).Humidity
The average relative humidity in April is 77%.Rainfall
In Harriman, Tennessee, in April, it is raining for 14.4 days, with typically 3.39" (86mm) of accumulated precipitation. Throughout the year, there are 169.5 rainfall days, and 34.09" (866mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.3 snowfall days, in April, Harriman aggregates 0.12" (3mm) of snow. Throughout the year, there are 15.2 snowfall days, and 2.76" (70mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 8min.On the first day of the month, sunrise is at 7:23 am and sunset at 8:00 pm. On the last day of April, sunrise is at 6:45 am and sunset at 8:24 pm EDT.
Sunshine
The average sunshine in April is 8h.UV index
In April, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In April, the maximum UV index of 5 suggests these recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Enhance your sun protection with tightly woven, yet airy clothing. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows?
How many hours of daylight does Harriman have in April?
When is the sunrise / sunset in April in Harriman?
How long on average sun shines in April?
How high is the UV index in April?
Average temperature in April
Harriman, TN
- Average high temperature in April: 68°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (44.1°F).
- Average low temperature in April: 47.5°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
Harriman, 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
Harriman, TN
- Average wind speed in April: 6.3mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in April
Harriman, TN
- Average humidity in April: 77%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, August, October and November (76%).
Average rainfall in April
Harriman, TN
- Average rainfall in April: 3.39"
The wettest month (with the highest rainfall) is July (4.09").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in April
Harriman, TN
- Average rainfall days in April: 14.4 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in April
Harriman, TN
- Average snowfall in April: 0.12"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Harriman, TN
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (4.8 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
Harriman, TN
- Average daylight in April: 13h and 1min
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 0min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 48min).
Average sunshine days in April
Harriman, TN
- Average sunshine days in April: 13.7 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in April
Harriman, 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
Harriman, TN
- Average cloud cover in April: 40
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in April
Harriman, TN
- Average visibility in April: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).
Harriman, Tennessee, USA
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