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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 Princeton Junction, New Jersey, is another cold winter month, with an average temperature fluctuating between 24.3°F (-4.3°C) and 36.9°F (2.7°C). Princeton Junction's coldest month, January, generally records average temperatures ranging from a high of 36.9°F (2.7°C) to a low of 24.3°F (-4.3°C). Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Princeton Junction, New Jersey, with an average temperature varying between 26.1°F (-3.3°C) and 39.9°F (4.4°C). February's weather displays an average high-temperature of a still wintry 39.9°F (4.4°C), slightly varied from January's 36.9°F (2.7°C). Weather in February »
Weather in March
March, the first month of the spring in Princeton Junction, is a frosty month, with an average temperature varying between 33.3°F (0.7°C) and 48.6°F (9.2°C). Princeton Junction experiences a minor temperature shift with the start of March, with average high-temperatures moving from a wintry 39.9°F (4.4°C) in February to a frosty 48.6°F (9.2°C). Weather in March »
Weather in April
April in Princeton Junction, New Jersey, is a refreshing spring month, with an average temperature fluctuating between 60.4°F (15.8°C) and 43.3°F (6.3°C). An escalation in the average high-temperature is seen with the onset of April, moving from a chilly 48.6°F (9.2°C) in March to a refreshing 60.4°F (15.8°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Princeton Junction, New Jersey, with an average temperature varying between 53.2°F (11.8°C) and 70.5°F (21.4°C). As Princeton Junction transitions into May, the average high-temperature is observed to rise from a refreshing 60.4°F (15.8°C) in April to an agreeable 70.5°F (21.4°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Princeton Junction, New Jersey, with an average temperature varying between 61°F (16.1°C) and 78.4°F (25.8°C). The shift into June is characterized by a subtle rise in the average high-temperature, transitioning from May's agreeable 70.5°F (21.4°C) to a warm 78.4°F (25.8°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Princeton Junction, New Jersey, with an average temperature varying between 66.9°F (19.4°C) and 84.7°F (29.3°C). July registers as the month with the highest average temperatures, reaching 84.7°F (29.3°C) at its peak and 66.9°F (19.4°C) at the lowest. July's mean heat index is evaluated at a hot 93.2°F (34°C). Weather in July »
Weather in August
August, the last month of the summer in Princeton Junction, is also a moderately hot month, with an average temperature fluctuating between 82.9°F (28.3°C) and 65.8°F (18.8°C). The shift into August reveals an average high-temperature of a still moderately hot 82.9°F (28.3°C), closely mirroring July's climate. Weather in August »
Weather in September
September, the first month of the autumn in Princeton Junction, is also a moderately hot month, with temperature in the range of an average high of 75.7°F (24.3°C) and an average low of 59°F (15°C). The beginning of September brings a slight decrease in the average high-temperature, transitioning from a moderately hot 82.9°F (28.3°C) in August to a still warm 75.7°F (24.3°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Princeton Junction, New Jersey, with an average temperature fluctuating between 49.1°F (9.5°C) and 63.9°F (17.7°C). The onset of October comes with a shift in the average high-temperature, falling from a moderately hot 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 Princeton Junction, is another cool month, with an average temperature fluctuating between 51.8°F (11°C) and 37.8°F (3.2°C). As November begins, there is a decrease in the average high-temperature, falling from a refreshing 63.9°F (17.7°C) in October to a fresh 51.8°F (11°C). Weather in November »
Weather in December
The first month of the winter, December, is still a chilly month in Princeton Junction, New Jersey, with an average temperature ranging between max 43°F (6.1°C) and min 31.1°F (-0.5°C). December's onset brings a negligible change in high-temperatures, falling from a cool 51.8°F (11°C) in November to a frosty 43°F (6.1°C). Weather in December »
Updated: Aug 24, 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 time of the year is the coldest?
Princeton Junction's coldest month, January, registers temperatures that range from a high of 36.9°F (2.7°C) to a low of 24.3°F (-4.3°C).
How much does it rain?
Throughout the year, there are 119.3 rainfall days, and 12.72" (323mm) of precipitation is accumulated.
When does it snow?
Months with snowfall in Princeton Junction are January through May, November and December.
How many days does it snow?
Throughout the year, there are 16.4 snowfall days, and 4.41" (112mm) of snow is accumulated.
When is the lowest UV index?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the month with the least sunshine?
February has the least sunshine of the year, with an average of 4.8h of sunshine.
What is the snowiest month in Princeton Junction?
The month with the most snowfall in Princeton Junction is March, when snow falls for 3.7 days and typically aggregates up to 1.42" (36mm) of snow.
When is Daylight Saving Time (DST)?
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.
What is the least humid month?
The least humid month is April, with an average relative humidity of 73%.
When it does not snow?
In Princeton Junction, New Jersey, snow does not fall in June through October.
When are the longest days?
The month with the longest days is June, with an average of 15h and 0min of daylight.
What are the months with the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What time of the year is the hottest?
In Princeton Junction, the peak temperatures are generally noted in July, averaging a high of 84.7°F (29.3°C) and a low of 66.9°F (19.4°C).
What is the rainiest month?
July is the month with the most rainfall. Rain falls for 13.9 days and accumulates 1.69" (43mm) of precipitation.
What month has the most sunshine in Princeton Junction?
The month with the most sunshine is July, with an average of 10.5h of sunshine.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 10 days and typically collects 0.67" (17mm) of precipitation.
What is the most humid month?
October is the most humid month, with an average relative humidity of 79%.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 24min of daylight.
Average temperature
Princeton Junction, NJ
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.9°F).
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure
Princeton Junction, NJ
- Average pressure in January:
30.07"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:
29.98"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.08"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
Princeton Junction, NJ
- Average wind speed in January:
8.5mph - Average wind speed in February:
8.5mph - Average wind speed in March:
8.8mph - Average wind speed in April:
8.5mph - Average wind speed in May:
6.9mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.4mph - Average wind speed in September:
6mph - Average wind speed in October:
7.1mph - Average wind speed in November:
7.5mph - Average wind speed in December:
7.8mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity
Princeton Junction, NJ
The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall
Princeton Junction, NJ
- Average rainfall in January:
0.71" - Average rainfall in February:
0.83" - Average rainfall in March:
1.06" - Average rainfall in April:
0.83" - Average rainfall in May:
1.22" - Average rainfall in June:
1.02"
- Average rainfall in July:
1.69" - Average rainfall in August:
1.5" - Average rainfall in September:
0.67" - Average rainfall in October:
1.02" - Average rainfall in November:
0.91" - Average rainfall in December:
1.26"
The wettest month (with the highest rainfall) is July (1.69").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days
Princeton Junction, NJ
- Average rainfall days in January:
6.1 days - Average rainfall days in February:
6.7 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
11.3 days - Average rainfall days in May:
12.6 days - Average rainfall days in June:
12.3 days
- Average rainfall days in July:
13.9 days - Average rainfall days in August:
12.6 days - Average rainfall days in September:
10 days - Average rainfall days in October:
9.3 days - Average rainfall days in November:
6.5 days - Average rainfall days in December:
8.2 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is January (6.1 days).
Average snowfall
Princeton Junction, NJ
- Average snowfall in January:
0.79" - Average snowfall in February:
0.94" - Average snowfall in March:
1.42" - Average snowfall in April:
0.12" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is March (1.42").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Princeton Junction, NJ
- Average snowfall days in January:
4.6 days - Average snowfall days in February:
4.4 days - Average snowfall days in March:
3.7 days - Average snowfall days in April:
0.3 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 days - Average snowfall days in November:
0.6 days - Average snowfall days in December:
2.7 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Princeton Junction, 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 2min - 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 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - 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 24min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 2min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 4min - 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days
Princeton Junction, NJ
- Average sunshine days in January:
21.8 days - Average sunshine days in February:
18.2 days - Average sunshine days in March:
16.8 days - Average sunshine days in April:
16.8 days - Average sunshine days in May:
15 days - Average sunshine days in June:
15.7 days
- Average sunshine days in July:
13.3 days - Average sunshine days in August:
16.3 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
19.2 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 January (21.8 days).
The month with the least sunshine days is July (13.3 days).
Average UV index
Princeton Junction, 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
Princeton Junction, NJ
The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility
Princeton Junction, 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).
Princeton Junction, New Jersey, USA
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