Climate and monthly weather forecastRileyville, NJ
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Rileyville, New Jersey, with temperature in the range of an average low of 23.5°F (-4.7°C) and an average high of 36.5°F (2.5°C). January, known for its average high temperature of 36.5°F (2.5°C) and an average low temperature of 23.5°F (-4.7°C), is the coldest month. Weather in January »Weather in February
The last month of the winter, February, is also a wintry month in Rileyville, New Jersey, with an average temperature ranging between min 26.1°F (-3.3°C) and max 39.7°F (4.3°C). The onset of February marks an average high-temperature of a still icy 39.7°F (4.3°C), hardly differing from January's 36.5°F (2.5°C). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Rileyville, New Jersey, with an average temperature fluctuating between 33.1°F (0.6°C) and 48°F (8.9°C). A gentle upsurge in temperatures occurs as February gives way to March, with average highs shifting from a cold 39.7°F (4.3°C) to a chilly 48°F (8.9°C). Weather in March »Weather in April
April is a refreshing spring month in Rileyville, New Jersey, with temperature in the range of an average high of 60.3°F (15.7°C) and an average low of 43.2°F (6.2°C). April indicates a change in the average high-temperature, moving up from a chilly 48°F (8.9°C) in March to a moderate 60.3°F (15.7°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Rileyville, New Jersey, with an average temperature ranging between min 52.9°F (11.6°C) and max 70.3°F (21.3°C). May sees a rise in the average high-temperature, climbing from a moderate 60.3°F (15.7°C) in April to a pleasant 70.3°F (21.3°C). Weather in May »Weather in June
June, the first month of the summer in Rileyville, is a moderately hot month, with an average temperature ranging between min 60.1°F (15.6°C) and max 78.3°F (25.7°C). Observing a minor shift, the average high-temperature during June adjusts from May's agreeable 70.3°F (21.3°C) to a warm 78.3°F (25.7°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Rileyville, New Jersey, with an average temperature varying between 84.6°F (29.2°C) and 66.7°F (19.3°C). July is the month when Rileyville, New Jersey, sees the highest average temperatures, with a high of 84.6°F (29.2°C) and a low of 66.7°F (19.3°C). July's mean heat index is estimated at a tropical 93.2°F (34°C). Weather in July »Weather in August
August, the last month of the summer in Rileyville, is also a moderately hot month, with an average temperature varying between 82.4°F (28°C) and 64.9°F (18.3°C). The advent of August presents an average high-temperature of a still warm 82.4°F (28°C), maintaining a close correlation with the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Rileyville, is still a warm month, with temperature in the range of an average high of 75.7°F (24.3°C) and an average low of 58.1°F (14.5°C). September brings a slight decrease in temperature, down from a warm 82.4°F (28°C) in August to a still moderately hot 75.7°F (24.3°C). Weather in September »Weather in October
October, like September, in Rileyville, New Jersey, is another refreshing autumn month, with an average temperature varying between 48.4°F (9.1°C) and 63.9°F (17.7°C). October's onset brings a reduction in the average high-temperature, from a warm 75.7°F (24.3°C) in September to a comfortable 63.9°F (17.7°C). Weather in October »Weather in November
November, the last month of the autumn in Rileyville, is also a fresh month, with an average temperature varying between 37.6°F (3.1°C) and 51.6°F (10.9°C). With the beginning of November, the average high-temperature shows a decrease, transitioning from an enjoyable 63.9°F (17.7°C) in October to a cool 51.6°F (10.9°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Rileyville, New Jersey, with an average temperature fluctuating between 31.1°F (-0.5°C) and 42.4°F (5.8°C). December comes with a decrease in the average high-temperature, falling from a cool 51.6°F (10.9°C) in November to a cold 42.4°F (5.8°C). Weather in December »Updated: Feb 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
With an average high-temperature of 36.5°F (2.5°C) and an average low-temperature of 23.5°F (-4.7°C), January is the coldest month.
In Rileyville, New Jersey, during the entire year, the rain falls for 107.3 days and collects up to 8.82" (224mm) of precipitation.
January through May, November and December are months with snowfall.
Throughout the year, there are 15.5 snowfall days, and 2.76" (70mm) of snow is accumulated.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
The months with the highest humidity in Rileyville are February and October, with an average relative humidity of 79%.
With an average of 4.7h of sunshine, February has the least sunshine of the year.
The month with the most snowfall is March, when snow falls for 3.7 days and typically aggregates up to 0.75" (19mm) 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.
April is the least humid month in Rileyville, New Jersey, with an average relative humidity of 74%.
May through August, with an average maximum UV index of 6, are months with the highest UV index.
June through October are months without snowfall in Rileyville.
With an average of 15h and 0min of daylight, June has the longest days of the year in Rileyville.
Rileyville's July weather reaches an average high of 84.6°F (29.2°C) and an average low of 66.7°F (19.3°C), making it the warmest month.
The month with the most rainfall is July, when the rain falls for 12.9 days and typically aggregates up to 1.18" (30mm) of precipitation.
The month with the most sunshine in Rileyville is July, with an average of 10.6h of sunshine.
September is the month with the least rainfall in Rileyville. Rain falls for 8.5 days and accumulates 0.35" (9mm) of precipitation.
The month with the shortest days in Rileyville is December, with an average of 9h and 18min of daylight.
Average temperature
Rileyville, NJ
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (36.5°F).
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure
Rileyville, NJ
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Rileyville, NJ
- Average wind speed in January:
8.4mph - Average wind speed in February:
8.4mph - Average wind speed in March:
8.6mph - Average wind speed in April:
8.4mph - Average wind speed in May:
6.8mph - 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:
5.8mph - Average wind speed in October:
7mph - Average wind speed in November:
7.4mph - Average wind speed in December:
7.8mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity
Rileyville, NJ
The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (74%).
Average rainfall
Rileyville, NJ
- Average rainfall in January:
0.47" - Average rainfall in February:
0.59" - Average rainfall in March:
0.75" - Average rainfall in April:
0.59" - Average rainfall in May:
0.83" - Average rainfall in June:
0.71"
- Average rainfall in July:
1.18" - Average rainfall in August:
1.02" - Average rainfall in September:
0.35" - Average rainfall in October:
0.67" - Average rainfall in November:
0.67" - Average rainfall in December:
0.98"
The wettest month (with the highest rainfall) is July (1.18").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days
Rileyville, NJ
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
6 days - Average rainfall days in March:
8.9 days - Average rainfall days in April:
9.3 days - Average rainfall days in May:
11 days - Average rainfall days in June:
11.6 days
- Average rainfall days in July:
12.9 days - Average rainfall days in August:
11.8 days - Average rainfall days in September:
8.5 days - Average rainfall days in October:
8.5 days - Average rainfall days in November:
5.5 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is November (5.5 days).
Average snowfall
Rileyville, NJ
- Average snowfall in January:
0.47" - Average snowfall in February:
0.63" - Average snowfall in March:
0.75" - Average snowfall in April:
0.08" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is March (0.75").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Rileyville, NJ
- Average snowfall days in January:
3.7 days - Average snowfall days in February:
4.3 days - Average snowfall days in March:
3.7 days - Average snowfall days in April:
0.4 days - Average snowfall days in May:
0.1 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:
0.7 days - Average snowfall days in December:
2.5 days
The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Rileyville, NJ
- 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:
9h and 54min - Average daylight in December:
9h and 18min
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 18min).
- Average sunshine in January:
5h and 6min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 24min - Average sunshine in April:
8h and 18min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 36min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days
Rileyville, NJ
- Average sunshine days in January:
22.3 days - Average sunshine days in February:
18.6 days - Average sunshine days in March:
18.4 days - Average sunshine days in April:
19 days - Average sunshine days in May:
16.3 days - Average sunshine days in June:
15.4 days
- Average sunshine days in July:
13.6 days - Average sunshine days in August:
16.4 days - Average sunshine days in September:
18.8 days - Average sunshine days in October:
20.7 days - Average sunshine days in November:
22.7 days - Average sunshine days in December:
21.2 days
The month with the most sunshine days is November (22.7 days).
The month with the least sunshine days is July (13.6 days).
Average UV index
Rileyville, NJ
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
Rileyville, NJ
The months with the most cloud cover are February and December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility
Rileyville, NJ
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
