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
An escalation in the average high-temperature is seen with the onset of April, moving from a mild 58.6°F (14.8°C) in March to a pleasant 69.3°F (20.7°C). Rockville's average low-temperature for the month of April records at a frosty 48.6°F (9.2°C).Humidity
In April, the average relative humidity in Rockville is 76%.Rainfall
In Rockville, during April, the rain falls for 13.8 days and regularly aggregates up to 3.31" (84mm) of precipitation. Throughout the year, there are 159.4 rainfall days, and 35.71" (907mm) of precipitation is accumulated.Snowfall
Months with snowfall in Rockville are January through April, October through December. April is the last month it regularly snows in Rockville. During 0.3 snowfall days, in April, Rockville aggregates 0.16" (4mm) of snow. Throughout the year, in Rockville, there are 12.9 snowfall days, and 3.46" (88mm) of snow is accumulated.Daylight
The average length of the day in April in Rockville, Tennessee, is 13h and 7min.On the first day of the month, sunrise is at 7:22 am and sunset at 7:59 pm. On the last day of April, sunrise is at 6:45 am and sunset at 8:23 pm EDT.
Sunshine
In April, the average sunshine in Rockville is 8.4h.UV index
In April, the average daily maximum UV index in Rockville is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In April, the UV index of 5 transforms into the following advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Rockville?
What is the average humidity in April in Rockville?
How many days does it rain in April in Rockville?
What is the last month it snows in Rockville?
How many hours of daylight does Rockville have in April?
What time are sunrise and sunset in April in Rockville?
How long on average sun shines in April in Rockville?
How high is the UV index in April in Rockville?
Average temperature in April
Rockville, TN
- Average high temperature in April: 69.3°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (45.7°F).
- Average low temperature in April: 48.6°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in April
Rockville, 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
Rockville, TN
- Average wind speed in April: 6.5mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest months (with the lowest average wind speed) are July and August (4mph).
Average humidity in April
Rockville, TN
- Average humidity in April: 76%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (74%).
Average rainfall in April
Rockville, TN
- Average rainfall in April: 3.31"
The wettest month (with the highest rainfall) is February (3.9").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in April
Rockville, TN
- Average rainfall days in April: 13.8 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in April
Rockville, TN
- Average snowfall in April: 0.16"
The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Rockville, TN
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (4.1 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
Rockville, TN
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).
Average sunshine days in April
Rockville, TN
- Average sunshine days in April: 14 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in April
Rockville, 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
Rockville, TN
- Average cloud cover in April: 36
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in April
Rockville, TN
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Rockville, Tennessee, USA
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