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
With the onset of April, Rockville's average high-temperature experiences a rise, moving from March's frosty 44.2°F (6.8°C) to a cool 55°F (12.8°C). During the month of April, the nighttime temperature falls to an average of 40.6°F (4.8°C).Humidity
April is the least humid month, with an average relative humidity of 73%.Rainfall
In April, the rain falls for 15.6 days. Throughout April, 3.31" (84mm) of precipitation is accumulated. Throughout the year, in Rockville, there are 162.4 rainfall days, and 33.78" (858mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In Rockville, in April, during 1.1 snowfall days, 0.51" (13mm) of snow is typically accumulated. Throughout the year, there are 27.9 snowfall days, and 12.2" (310mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 22min.On the first day of April, sunrise is at 6:28 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 7:44 pm EDT.
Sunshine
In April, the average sunshine is 8.3h.UV index
The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 3 during April translates into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from 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 least humid month?
What is the average humidity in April?
How many days does it rain in April?
How many days does it snow in April in Rockville?
What is the average length of the day in April?
When are sunrise and sunset in April?
How many hours of sunshine does Rockville have in April?
How high is the UV index in April in Rockville?
Average temperature in April
Rockville, RI
- Average high temperature in April: 55°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in April: 40.6°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 (23.7°F).
Average pressure in April
Rockville, RI
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Rockville, RI
- Average wind speed in April: 9.3mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in April
Rockville, RI
- Average humidity in April: 73%
The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is April (73%).
Average rainfall in April
Rockville, RI
- Average rainfall in April: 3.31"
The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in April
Rockville, RI
- Average rainfall days in April: 15.6 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in April
Rockville, RI
- Average snowfall in April: 0.51"
The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Rockville, RI
- Average snowfall days in April: 1.1 days
The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Rockville, RI
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 8h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in April
Rockville, RI
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in April
Rockville, RI
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Rockville, RI
- Average cloud cover in April: 46
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in April
Rockville, RI
- 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, Rhode Island, USA
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