April weather forecastMcIllwain, TN
April
Weather in April
April is a pleasant spring month in McIllwain, Tennessee, with an average temperature fluctuating between 69.4°F (20.8°C) and 50.5°F (10.3°C).Temperature
In McIllwain, the average high-temperature in April increases from a mild 59.2°F (15.1°C) in March to a pleasant 69.4°F (20.8°C). McIllwain experiences a mean low-temperature of 50.5°F (10.3°C) during April.Humidity
In McIllwain, the average relative humidity in April is 76%.Rainfall
In McIllwain, in April, during 10.2 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. Throughout the year, there are 115.4 rainfall days, and 12.32" (313mm) of precipitation is accumulated.Snowfall
In McIllwain, snow does not fall in April through October.Daylight
The average length of the day in April is 13h and 8min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:14 pm. On the last day of April, sunrise is at 6:00 am and sunset at 7:38 pm CDT.
Sunshine
In McIllwain, the average sunshine in April is 8.8h.UV index
In April, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The average daily UV index of 5 in April transforms into the following instructions:
Prioritize safety - Recommendations to avert sunburn are shared. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
McIllwain, TN
- Average high temperature in April: 69.4°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in April: 50.5°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in April
McIllwain, TN
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in April
McIllwain, TN
- Average wind speed in April: 8.1mph
The windiest months (with the highest average wind speed) are January, February and April (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in April
McIllwain, TN
- Average humidity in April: 76%
The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in April
McIllwain, TN
- Average rainfall in April: 1.06"
The wettest month (with the highest rainfall) is July (1.5").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in April
McIllwain, TN
- Average rainfall days in April: 10.2 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is November (6.1 days).
Average snowfall in April
McIllwain, TN
- Average snowfall in April: 0"
The month with the highest snowfall is March (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
McIllwain, TN
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (1.9 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
McIllwain, 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 month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in April
McIllwain, TN
- Average sunshine days in April: 18.7 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is July (15.7 days).
Average UV index in April
McIllwain, TN
- Average UV index in April: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in April
McIllwain, TN
- Average cloud cover in April: 39
The months with the most cloud cover are February and December (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in April
McIllwain, TN
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are May, July and August (5mi).





