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
The onset of April brings a temperature shift, with the average high-temperature moving from a refreshing 57.4°F (14.1°C) in March to a pleasant 68.4°F (20.2°C). An average low-temperature of 47.3°F (8.5°C) is recorded during the nights in April.Humidity
In April, the average relative humidity is 77%.Rainfall
In April, the rain falls for 14.5 days. Throughout April, 3.19" (81mm) of precipitation is accumulated. In Blair, during the entire year, the rain falls for 171.2 days and collects up to 32.4" (823mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Blair. April is the last month it regularly snows. During 0.3 snowfall days, in April, Blair aggregates 0.12" (3mm) of snow. Throughout the year, there are 17.2 snowfall days, and 3.31" (84mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 8min.On the first day of April, sunrise is at 7:22 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 8:24 pm EDT.
Sunshine
In Blair, the average sunshine in April is 8.1h.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 rays for ordinary individuals.Note: The maximum daily UV index of 5 in April interprets into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Opt for tightly woven and loose clothing to enhance protection from the Sun. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Blair in April?
What is the average humidity in April?
How many days does it rain in April in Blair?
What is the last month it snows?
How many hours of daylight does Blair have in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April in Blair?
Average temperature in April
Blair, TN
- Average high temperature in April: 68.4°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (43.9°F).
- Average low temperature in April: 47.3°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in April
Blair, 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
Blair, TN
- Average wind speed in April: 6.1mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in April
Blair, 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, July and August (75%).
Average rainfall in April
Blair, TN
- Average rainfall in April: 3.19"
The wettest month (with the highest rainfall) is February (3.9").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in April
Blair, TN
- Average rainfall days in April: 14.5 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in April
Blair, TN
- Average snowfall in April: 0.12"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Blair, TN
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (5.3 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
Blair, 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 1min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in April
Blair, TN
- Average sunshine days in April: 13.3 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in April
Blair, 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
Blair, TN
- Average cloud cover in April: 39
The month with the most cloud cover is February (Cloud cover 54).
The months with the least cloud cover are June and August (Cloud cover 30).
Average visibility in April
Blair, TN
- Average visibility in April: 6mi
The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).
Blair, Tennessee, USA
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