Climate and monthly weather forecastRocky Hill, PA
Climate and monthly weather forecast
Weather in January
January, like December, in Rocky Hill, Pennsylvania, is a wintry winter month, with an average temperature ranging between min 24.3°F (-4.3°C) and max 36.1°F (2.3°C). With average temperatures fluctuating between a high of 36.1°F (2.3°C) and a low of 24.3°F (-4.3°C), January stands out as the coldest month. Weather in January »Weather in February
February, the last month of the winter in Rocky Hill, is also a wintry month, with an average temperature fluctuating between 39.7°F (4.3°C) and 26.4°F (-3.1°C). February records an average high-temperature of a still wintry 39.7°F (4.3°C), indicating a minor variation from the preceding month. Weather in February »Weather in March
March, the first month of the spring in Rocky Hill, is a frosty month, with an average temperature varying between 33.4°F (0.8°C) and 48.2°F (9°C). The shift into March brings a slight increase in the average high-temperature, moving from a wintry 39.7°F (4.3°C) in February to a frosty 48.2°F (9°C). Weather in March »Weather in April
April in Rocky Hill, Pennsylvania, is a moderate spring month, with an average temperature fluctuating between 43.5°F (6.4°C) and 60.6°F (15.9°C). With the onset of April, the average high-temperature slightly shifts from March's chilly 48.2°F (9°C) to a refreshing 60.6°F (15.9°C). Weather in April »Weather in May
May, the last month of the spring in Rocky Hill, is a pleasant month, with an average temperature varying between 71.1°F (21.7°C) and 53.6°F (12°C). The onset of May marks an increase in the average high-temperature, moving from a moderate 60.6°F (15.9°C) in April to a pleasant 71.1°F (21.7°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Rocky Hill, Pennsylvania, with an average temperature ranging between min 61.5°F (16.4°C) and max 79°F (26.1°C). As June arrives, a slight rise in the average high-temperature is observed, moving from an agreeable 71.1°F (21.7°C) in May to a moderately hot 79°F (26.1°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Rocky Hill, Pennsylvania, with an average temperature varying between 84.9°F (29.4°C) and 67.5°F (19.7°C). The month of July, characterized by an average high of 84.9°F (29.4°C) and a low of 67.5°F (19.7°C), is recognized as the warmest. July's average heat index is calculated to be a hot 93.2°F (34°C). Weather in July »Weather in August
August, the last month of the summer in Rocky Hill, is another warm month, with an average temperature varying between 82.4°F (28°C) and 65.8°F (18.8°C). With the advent of August, Rocky Hill experiences an average high-temperature of a still warm 82.4°F (28°C), mirroring a close resemblance to the previous month. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Rocky Hill, Pennsylvania, with temperature in the range of an average high of 75.7°F (24.3°C) and an average low of 59.2°F (15.1°C). The transition to September results in a modest reduction in average high-temperature, moving from 82.4°F (28°C) in August to a still warm 75.7°F (24.3°C). Weather in September »Weather in October
October, like September, in Rocky Hill, Pennsylvania, is another comfortable autumn month, with an average temperature fluctuating between 48.9°F (9.4°C) and 63.5°F (17.5°C). The arrival of October corresponds with a reduction in the average high-temperature, down from September's moderately hot 75.7°F (24.3°C) to an enjoyable 63.5°F (17.5°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Rocky Hill, Pennsylvania, with an average temperature ranging between min 37.4°F (3°C) and max 51.4°F (10.8°C). As Rocky Hill enters November, the average high-temperature decreases from the a comfortable 63.5°F (17.5°C) of October to a fresh 51.4°F (10.8°C). Weather in November »Weather in December
December, the first month of the winter in Rocky Hill, is also a wintry month, with an average temperature fluctuating between 42.3°F (5.7°C) and 31.1°F (-0.5°C). Transition from November to December is accompanied by a temperature drop, with average high-temperatures decreasing from a cool 51.4°F (10.8°C) to an icy 42.3°F (5.7°C). Weather in December »Updated: Jul 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January tends to be the coldest month, with temperatures averaging a daily high of 36.1°F (2.3°C) and a low of 24.3°F (-4.3°C).
January is the month with the least rainfall. Rain falls for 5 days and accumulates 0.79" (20mm) of precipitation.
Throughout the year, there are 124.6 rainfall days, and 14.25" (362mm) of precipitation is accumulated.
Months with snowfall are January through May, November and December.
Throughout the year, in Rocky Hill, there are 18.5 snowfall days, and 5.51" (140mm) of snow is accumulated.
The months with the lowest UV index in Rocky Hill are January through March, November and December, with an average maximum UV index of 2.
February and October, with an average relative humidity of 79%, are most humid months.
With an average of 4.5h of sunshine, February has the least sunshine of the year.
March is the month with the most snowfall. Snow falls for 4.5 days and accumulates 1.57" (40mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
The months with the lowest humidity are April and July, with an average relative humidity of 73%.
The months with the highest UV index are May through August, with an average maximum UV index of 6.
In Rocky Hill, snow does not fall in June through October.
The month with the longest days is June, with an average of 15h and 0min of daylight.
July proves to be the warmest month, recording an average peak temperature of 84.9°F (29.4°C) and a minimum temperature of 67.5°F (19.7°C).
July has the most sunshine of the year, with an average of 10.5h of sunshine.
August is the month with the most rainfall. Rain falls for 14.4 days and accumulates 1.89" (48mm) of precipitation.
The month with the shortest days is December, with an average of 9h and 24min of daylight.
Average temperature
Rocky Hill, PA
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).
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
Rocky Hill, PA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.1"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
Rocky Hill, PA
- Average wind speed in January:
8.3mph - Average wind speed in February:
8.3mph - Average wind speed in March:
8.5mph - Average wind speed in April:
8.3mph - Average wind speed in May:
6.6mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.4mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5.7mph - Average wind speed in October:
7mph - Average wind speed in November:
7.4mph - Average wind speed in December:
7.9mph
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
Rocky Hill, PA
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
Rocky Hill, PA
- Average rainfall in January:
0.79" - Average rainfall in February:
0.83" - Average rainfall in March:
1.06" - Average rainfall in April:
0.98" - Average rainfall in May:
1.38" - Average rainfall in June:
1.46"
- Average rainfall in July:
1.81" - Average rainfall in August:
1.89" - Average rainfall in September:
1.06" - Average rainfall in October:
0.94" - Average rainfall in November:
0.91" - Average rainfall in December:
1.14"
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
Rocky Hill, PA
- Average rainfall days in January:
5 days - Average rainfall days in February:
6.1 days - Average rainfall days in March:
9.1 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
13.7 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
15.1 days - Average rainfall days in August:
14.4 days - Average rainfall days in September:
11.1 days - Average rainfall days in October:
9.1 days - Average rainfall days in November:
6.7 days - Average rainfall days in December:
7.7 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
Rocky Hill, PA
- Average snowfall in January:
1.26" - Average snowfall in February:
1.3" - Average snowfall in March:
1.57" - Average snowfall in April:
0.16" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
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
Rocky Hill, PA
- Average snowfall days in January:
5.4 days - Average snowfall days in February:
5.2 days - Average snowfall days in March:
4.5 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0.2 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
0.6 days - Average snowfall days in December:
2.2 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 / Average sunshine
Rocky Hill, PA
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 24min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 24min
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 January:
4h and 36min - Average sunshine in February:
4h and 30min - Average sunshine in March:
6h and 24min - Average sunshine in April:
8h and 6min - Average sunshine in May:
8h and 12min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
9h and 48min - Average sunshine in September:
8h and 24min - Average sunshine in October:
5h and 24min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 48min
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
Rocky Hill, PA
- Average sunshine days in January:
20.3 days - Average sunshine days in February:
16.9 days - Average sunshine days in March:
17.1 days - Average sunshine days in April:
16.1 days - Average sunshine days in May:
14.4 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
13.7 days - Average sunshine days in August:
14.1 days - Average sunshine days in September:
16.9 days - Average sunshine days in October:
19.4 days - Average sunshine days in November:
21.7 days - Average sunshine days in December:
20.5 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
Rocky Hill, PA
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
Rocky Hill, PA
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
Rocky Hill, PA
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).
