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 beginning of April marks a shift in the average high-temperature, moving from March's mild 57.2°F (14°C) to a pleasant 68°F (20°C). April nights experience a consistent temperature drop to a frosty 49.3°F (9.6°C).Humidity
The average relative humidity in April in Castalian Springs, Tennessee, is 77%.Rainfall
In Castalian Springs, Tennessee, in April, during 14.5 rainfall days, 3.46" (88mm) of precipitation is typically accumulated. Throughout the year, there are 176.5 rainfall days, and 41.22" (1047mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.3 snowfall days, in April, Castalian Springs aggregates 0.12" (3mm) of snow. In Castalian Springs, Tennessee, during the entire year, snow falls for 17.5 days and aggregates up to 5" (127mm) of snow.Daylight
In April, the average length of the day in Castalian Springs, Tennessee, is 13h and 9min.On the first day of April, sunrise is at 6:30 am and sunset at 7:07 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 7:32 pm CDT.
Sunshine
In Castalian Springs, the average sunshine in April is 8.6h.UV index
In April, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 5 in April translates into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in Castalian Springs?
What is the average humidity in April in Castalian Springs?
How much does it rain in Castalian Springs in April?
What is the last month it snows in Castalian Springs?
How many hours of daylight does Castalian Springs have in April?
When are sunrise and sunset in April in Castalian Springs?
How many hours of sunshine does Castalian Springs have in April?
How high is the UV index in April in Castalian Springs?
Average temperature in April
Castalian Springs, TN
- Average high temperature in April: 68°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (42.8°F).
- Average low temperature in April: 49.3°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).
Average pressure in April
Castalian Springs, 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
Castalian Springs, TN
- Average wind speed in April: 8mph
The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in April
Castalian Springs, TN
- Average humidity in April: 77%
The months with the highest relative humidity are February, March, May, July and December (79%).
The month with the lowest relative humidity is October (75%).
Average rainfall in April
Castalian Springs, TN
- Average rainfall in April: 3.46"
The wettest month (with the highest rainfall) is July (5.2").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days in April
Castalian Springs, TN
- Average rainfall days in April: 14.5 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in April
Castalian Springs, TN
- Average snowfall in April: 0.12"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Castalian Springs, TN
- Average snowfall days in April: 0.3 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 and September (0 days).
Average daylight in April /
Average sunshine in April
Castalian Springs, 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 42min).
- Average sunshine in April: 8h and 4min
The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in April
Castalian Springs, TN
- Average sunshine days in April: 13.3 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in April
Castalian Springs, 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
Castalian Springs, TN
- Average cloud cover in April: 41
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in April
Castalian Springs, TN
- Average visibility in April: 6mi
The months with the highest visibility are February, April, June, September, October, November and December (6mi).
The months with the lowest visibility are January, March, May, July and August (5mi).
Castalian Springs, Tennessee, USA
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