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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Hillside, New Jersey, is another cold winter month, with an average temperature fluctuating between 36.9°F (2.7°C) and 27.7°F (-2.4°C). The coldest month is January, with an average high-temperature of 36.9°F (2.7°C) and an average low-temperature of 27.7°F (-2.4°C). Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Hillside, New Jersey, with an average temperature varying between 39.2°F (4°C) and 28.9°F (-1.7°C). February's advent notes a subtle adjustment in average high-temperature to a still icy 39.2°F (4°C) from January. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Hillside, New Jersey, with an average temperature varying between 35.2°F (1.8°C) and 45.3°F (7.4°C). With the onset of March, the average high-temperature subtly transitions from an icy 39.2°F (4°C) in February to a frosty 45.3°F (7.4°C). Weather in March »
Weather in April
April in Hillside, New Jersey, is a refreshing spring month, with an average temperature ranging between max 55.9°F (13.3°C) and min 44.6°F (7°C). The arrival of April sees a shift in the average high-temperature, moving from a chilly 45.3°F (7.4°C) in March to a moderate 55.9°F (13.3°C). Weather in April »
Weather in May
May, the last month of the spring in Hillside, is an enjoyable month, with an average temperature ranging between max 65.8°F (18.8°C) and min 54.3°F (12.4°C). In Hillside, the onset of May comes with an increased average high-temperature, moving from April's mild 55.9°F (13.3°C) to a still refreshing 65.8°F (18.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Hillside, New Jersey, with an average temperature ranging between max 74.8°F (23.8°C) and min 63.1°F (17.3°C). The transition from May to June brings a temperature rise, with average high-temperatures increasing from a comfortable 65.8°F (18.8°C) to a warm 74.8°F (23.8°C). Weather in June »
Weather in July
July, like June, in Hillside, New Jersey, is another warm summer month, with an average temperature ranging between min 70.3°F (21.3°C) and max 81.9°F (27.7°C). In Hillside, July records the highest average temperatures, peaking at 81.9°F (27.7°C) and reaching a low of 70.3°F (21.3°C). July's average heat index is estimated at a hot 86°F (30°C). Weather in July »
Weather in August
August, the last month of the summer in Hillside, is another warm month, with an average temperature fluctuating between 80.6°F (27°C) and 70.2°F (21.2°C). The advent of August brings an average high-temperature of a still warm 80.6°F (27°C), almost identical to the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Hillside, is also a moderately hot month, with an average temperature fluctuating between 63.5°F (17.5°C) and 73.8°F (23.2°C). In Hillside, entering September brings a subtle temperature decrement, reducing from August's warm 80.6°F (27°C) to a still moderately hot 73.8°F (23.2°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Hillside, New Jersey, with an average temperature varying between 63°F (17.2°C) and 53.4°F (11.9°C). In Hillside, the average high-temperature in October decreases from a warm 73.8°F (23.2°C) in September to an enjoyable 63°F (17.2°C). Weather in October »
Weather in November
November, the last month of the autumn in Hillside, is also a fresh month, with temperature in the range of an average high of 51.8°F (11°C) and an average low of 42.3°F (5.7°C). November's onset corresponds with a shift in the average high-temperature, moving from an enjoyable 63°F (17.2°C) in October to a cool 51.8°F (11°C). Weather in November »
Weather in December
December, the first month of the winter in Hillside, is also a wintry month, with an average temperature varying between 34.5°F (1.4°C) and 42.4°F (5.8°C). December's onset brings a reduction in the average high-temperature, from a fresh 51.8°F (11°C) in November to a wintry 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
What month is the coldest in Hillside?
Hillside's January weather reaches an average high of 36.9°F (2.7°C) and an average low of 27.7°F (-2.4°C), making it the coldest month.
What is the driest month in Hillside?
January is the month with the least rainfall. Rain falls for 7.8 days and accumulates 2.05" (52mm) of precipitation.
How many days does it rain in Hillside?
Throughout the year, in Hillside, New Jersey, there are 155.6 rainfall days, and 34.72" (882mm) of precipitation is accumulated.
When does it snow in Hillside?
Months with snowfall are January through April, November and December.
How much does it snow in Hillside?
Throughout the year, there are 15 snowfall days, and 5.39" (137mm) of snow is accumulated.
What is the month with the lowest UV index in Hillside?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What are the most humid months in Hillside?
The months with the highest humidity are February, May and December, with an average relative humidity of 75%.
What is the month with the least sunshine in Hillside?
February has the least sunshine of the year in Hillside, with an average of 4.8h of sunshine.
When does it snow the most in Hillside?
March is the month with the most snowfall. Snow falls for 2.7 days and accumulates 1.85" (47mm) of snow.
When is Daylight Saving Time (DST) in Hillside?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Hillside, 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.
When it does not snow in Hillside?
May through October are months without snowfall in Hillside, New Jersey.
When are the longest days in Hillside?
With an average of 15h and 0min of daylight, June has the longest days of the year in Hillside.
What is the month with the highest UV index in Hillside?
The months with the highest UV index in Hillside, New Jersey, are June through August, with an average maximum UV index of 6.
What time of the year is the hottest in Hillside?
With an average high-temperature of 81.9°F (27.7°C) and an average low-temperature of 70.3°F (21.3°C), July is the warmest month in Hillside.
What is the wettest month in Hillside?
July is the month with the most rainfall. Rain falls for 17.9 days and accumulates 4.02" (102mm) of precipitation.
What month has the most sunshine in Hillside?
The month with the most sunshine in Hillside, New Jersey, is July, with an average of 10.8h of sunshine.
What are the least humid months in Hillside?
The months with the lowest humidity are August and November, with an average relative humidity of 71%.
What is the month with the shortest days in Hillside?
The month with the shortest days is December, with an average of 9h and 18min of daylight.
Average temperature
Hillside, NJ
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (36.9°F).
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure
Hillside, NJ
- Average pressure in January:
30.06"Hg - Average pressure in February:
30.03"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.98"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:
29.98"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Hillside, NJ
- Average wind speed in January:
11.2mph - Average wind speed in February:
10.9mph - Average wind speed in March:
10.7mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.7mph
- Average wind speed in July:
7.3mph - Average wind speed in August:
7.5mph - Average wind speed in September:
8.3mph - Average wind speed in October:
9.9mph - Average wind speed in November:
10.5mph - Average wind speed in December:
10.7mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity
Hillside, NJ
The months with the highest relative humidity are February, May and December (75%).
The months with the lowest relative humidity are August and November (71%).
Average rainfall
Hillside, NJ
- Average rainfall in January:
2.05" - Average rainfall in February:
2.09" - Average rainfall in March:
2.56" - Average rainfall in April:
2.8" - Average rainfall in May:
3.07" - Average rainfall in June:
3.07"
The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days
Hillside, NJ
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
11.1 days - Average rainfall days in April:
14.1 days - Average rainfall days in May:
16.7 days - Average rainfall days in June:
16.3 days
- Average rainfall days in July:
17.9 days - Average rainfall days in August:
16.8 days - Average rainfall days in September:
13.1 days - Average rainfall days in October:
12.5 days - Average rainfall days in November:
8.6 days - Average rainfall days in December:
11.4 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.8 days).
Average snowfall
Hillside, NJ
The month with the highest snowfall is March (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Hillside, NJ
- Average snowfall days in January:
4.5 days - Average snowfall days in February:
4.1 days - Average snowfall days in March:
2.7 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0 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 days - Average snowfall days in November:
0.4 days - Average snowfall days in December:
3 days
The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Hillside, NJ
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h 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 18min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 4min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 4min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days
Hillside, NJ
- Average sunshine days in January:
19.7 days - Average sunshine days in February:
15.9 days - Average sunshine days in March:
17.2 days - Average sunshine days in April:
14.6 days - Average sunshine days in May:
13.3 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
11 days - Average sunshine days in August:
12.2 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
16.8 days - Average sunshine days in November:
19.7 days - Average sunshine days in December:
17.3 days
The months with the most sunshine days are January and November (19.7 days).
The month with the least sunshine days is July (11 days).
Average UV index
Hillside, NJ
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
Hillside, NJ
The month with the most cloud cover is December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility
Hillside, NJ
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).
Hillside, New Jersey, USA
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