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
April's onset is marked by a temperature increase, moving from a chilly 48.2°F (9°C) in March to a moderate 60.6°F (15.9°C). Nighttime temperature in Rocky Hill dips to a mean of 43.5°F (6.4°C) during April.Humidity
The months with the lowest humidity are April and July, with an average relative humidity of 73%.Rainfall
In Rocky Hill, in April, during 12.3 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. In Rocky Hill, during the entire year, the rain falls for 124.6 days and collects up to 14.25" (362mm) of precipitation.Snowfall
January through May, November and December are months with snowfall in Rocky Hill. In Rocky Hill, Pennsylvania, during April, snow falls for 0.3 days and regularly aggregates up to 0.16" (4mm) of snow. Throughout the year, in Rocky Hill, there are 18.5 snowfall days, and 5.51" (140mm) of snow is accumulated.Daylight
In Rocky Hill, the average length of the day in April is 13h and 17min.On the first day of April in Rocky Hill, sunrise is at 6:44 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 7:56 pm EDT.
Sunshine
In April, the average sunshine is 8.1h.UV index
In April, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In April, an average UV index of 4 transforms into the following instructions:
Exercise prevention - Warding off sunburn is urged. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
What is the usual temperature for Rocky Hill in April?
What is the least humid month in Rocky Hill?
What is the average humidity in April in Rocky Hill?
How much does it rain in Rocky Hill in April?
How much does it snow in Rocky Hill in April?
What is the average length of the day in April in Rocky Hill?
When are sunrise and sunset in April in Rocky Hill?
How many hours of sunshine does Rocky Hill have in April?
What is the UV index intensity in April in Rocky Hill?
Average temperature in April
Rocky Hill, PA
- Average high temperature in April: 60.6°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in April: 43.5°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in April
Rocky Hill, PA
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Rocky Hill, PA
- Average wind speed in April: 8.3mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in April
Rocky Hill, PA
- Average humidity in April: 73%
The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April and July (73%).
Average rainfall in April
Rocky Hill, PA
- Average rainfall in April: 0.98"
The wettest month (with the highest rainfall) is August (1.89").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in April
Rocky Hill, PA
- Average rainfall days in April: 12.3 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (5 days).
Average snowfall in April
Rocky Hill, PA
- Average snowfall in April: 0.16"
The month with the highest snowfall is March (1.57").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Rocky Hill, PA
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Rocky Hill, PA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in April
Rocky Hill, PA
- Average sunshine days in April: 16.1 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is June (13.3 days).
Average UV index in April
Rocky Hill, PA
- Average UV index in April: 4
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, March, November and December (UV index 2).
Average cloud cover in April
Rocky Hill, PA
- Average cloud cover in April: 46
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in April
Rocky Hill, PA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Rocky Hill, Pennsylvania, USA
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