Climate and monthly weather forecastMonmouth Junction, NJ
Climate and monthly weather forecast
Weather in January
January, like December, in Monmouth Junction, New Jersey, is an icy winter month, with an average temperature varying between 24.3°F (-4.3°C) and 36.9°F (2.7°C). January brings the lowest temperatures, with an average high of 36.9°F (2.7°C) and an average 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 Monmouth Junction, New Jersey, with temperature in the range of an average low of 26.1°F (-3.3°C) and an average high of 39.9°F (4.4°C). Monmouth Junction's February showcases an average high-temperature of a still cold 39.9°F (4.4°C), hardly distinct from January's 36.9°F (2.7°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Monmouth Junction, New Jersey, with temperature in the range of an average low of 33.3°F (0.7°C) and an average high of 48.6°F (9.2°C). March brings a slight elevation in the average high-temperature, transitioning from February's icy 39.9°F (4.4°C) to a chilly 48.6°F (9.2°C). Weather in March »Weather in April
April is a refreshing spring month in Monmouth Junction, New Jersey, with temperature in the range of an average high of 60.4°F (15.8°C) and an average low of 43.3°F (6.3°C). April's arrival signals a temperature shift, moving from a chilly 48.6°F (9.2°C) in March to a mild 60.4°F (15.8°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Monmouth Junction, New Jersey, with an average temperature ranging between min 53.2°F (11.8°C) and max 70.5°F (21.4°C). Monmouth Junction's May weather shows an increase in high-temperatures, moving from April's mild 60.4°F (15.8°C) to an agreeable 70.5°F (21.4°C). Weather in May »Weather in June
June, the first month of the summer in Monmouth Junction, is a warm month, with temperature in the range of an average high of 78.4°F (25.8°C) and an average low of 61°F (16.1°C). As Monmouth Junction transitions into June, the average high-temperature is observed to slightly rise from a pleasant 70.5°F (21.4°C) in May to a warm 78.4°F (25.8°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Monmouth Junction, New Jersey, with temperature in the range of an average high of 84.7°F (29.3°C) and an average low of 66.9°F (19.4°C). Monmouth Junction's temperature records reveal July as the warmest month, marked by average highs of 84.7°F (29.3°C) and lows of 66.9°F (19.4°C). Throughout July, the heat index is appraised at a tropical 93.2°F (34°C). Weather in July »Weather in August
August, the last month of the summer in Monmouth Junction, is another warm month, with an average temperature fluctuating between 65.8°F (18.8°C) and 82.9°F (28.3°C). The arrival of August records an average high-temperature of a still warm 82.9°F (28.3°C), closely related to the 84.7°F (29.3°C) observed in July. Weather in August »Weather in September
September, the first month of the autumn in Monmouth Junction, is also a moderately hot month, with an average temperature ranging between min 59°F (15°C) and max 75.7°F (24.3°C). Transitioning from August to September involves a subtle drop in average high-temperatures, descending from 82.9°F (28.3°C) to a still warm 75.7°F (24.3°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Monmouth Junction, New Jersey, with temperature in the range of an average high of 63.9°F (17.7°C) and an average low of 49.1°F (9.5°C). With the beginning of October, the average high-temperature shows a decrease, transitioning 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 Monmouth Junction, is another cool month, with an average temperature ranging between max 51.8°F (11°C) and min 37.8°F (3.2°C). Stepping into November, Monmouth Junction observes a temperature decline, with the average high falling from October's enjoyable 63.9°F (17.7°C) to a cool 51.8°F (11°C). Weather in November »Weather in December
December, the first month of the winter in Monmouth Junction, is also a frosty month, with temperature in the range of an average low of 31.1°F (-0.5°C) and an average high of 43°F (6.1°C). December's arrival signals a moderate reduction in the average high-temperature, easing from a fresh 51.8°F (11°C) in November to a frosty 43°F (6.1°C). Weather in December »Updated: Aug 15, 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
Monmouth Junction's temperature records reveal January as the coldest month, marked by average highs of 36.9°F (2.7°C) and lows of 24.3°F (-4.3°C).
In Monmouth Junction, during the entire year, the rain falls for 119.3 days and collects up to 12.72" (323mm) of precipitation.
Months with snowfall are January through May, November and December.
Throughout the year, there are 16.4 snowfall days, and 4.41" (112mm) 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.
With an average of 4.8h 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 1.42" (36mm) 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 least humid month in Monmouth Junction is April, with an average relative humidity of 73%.
June through October are months without snowfall in Monmouth Junction.
June has the longest days of the year, with an average of 15h and 0min of daylight.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
Monmouth Junction registers the average highest temperatures during July, with peaks of 84.7°F (29.3°C) and lows of 66.9°F (19.4°C).
July is the month with the most rainfall. Rain falls for 13.9 days and accumulates 1.69" (43mm) of precipitation.
The month with the most sunshine is July, with an average of 10.5h of sunshine.
The month with the least rainfall is September, when the rain falls for 10 days and typically collects 0.67" (17mm) of precipitation.
October is the most humid month, with an average relative humidity of 79%.
With an average of 9h and 18min of daylight, December has the shortest days of the year.
Average temperature
Monmouth 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
Monmouth 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
Monmouth 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
Monmouth Junction, NJ
The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall
Monmouth 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
Monmouth 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
Monmouth 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
Monmouth 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
Monmouth Junction, 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:
10h and 0min - 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 48min - 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 48min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 36min - 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
Monmouth 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
Monmouth 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
Monmouth 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
Monmouth 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).
