Climate and monthly weather forecastRaritan, NJ
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Raritan, New Jersey, with temperature in the range of an average low of 23.2°F (-4.9°C) and an average high of 35.6°F (2°C). January, recording an average high temperature of 35.6°F (2°C) and a low temperature of 23.2°F (-4.9°C), is Raritan's coldest month. Weather in January »Weather in February
February, the last month of the winter in Raritan, is also a wintry month, with temperature in the range of an average low of 24.8°F (-4°C) and an average high of 39.2°F (4°C). Raritan indicates an average high-temperature of a still icy 39.2°F (4°C) in February, showing minor variation from January's 35.6°F (2°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Raritan, New Jersey, with an average temperature ranging between min 32.4°F (0.2°C) and max 47.7°F (8.7°C). The start of March signals a slight increase in the average high-temperature, moving from a cold 39.2°F (4°C) in February to a chilly 47.7°F (8.7°C). Weather in March »Weather in April
April is a moderate spring month in Raritan, New Jersey, with an average temperature ranging between max 59.5°F (15.3°C) and min 42.3°F (5.7°C). Raritan's April weather brings a rise in high-temperatures, moving from a chilly 47.7°F (8.7°C) in March to a mild 59.5°F (15.3°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Raritan, New Jersey, with an average temperature fluctuating between 70.2°F (21.2°C) and 52.2°F (11.2°C). As Raritan enters May, the average high-temperature increases from the a refreshing 59.5°F (15.3°C) of April to an agreeable 70.2°F (21.2°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Raritan, New Jersey, with an average temperature varying between 59.7°F (15.4°C) and 78.3°F (25.7°C). Raritan observes a slight uplift in the average high-temperature with the onset of June, adjusting from May's pleasant 70.2°F (21.2°C) to a moderately hot 78.3°F (25.7°C). Weather in June »Weather in July
July, like June, in Raritan, New Jersey, is a moderately hot summer month, with an average temperature varying between 84.2°F (29°C) and 66°F (18.9°C). July, recognised by an average high temperature of 84.2°F (29°C) and a low of 66°F (18.9°C), is Raritan's warmest month. The heat index for July is estimated at a tropical 93.2°F (34°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Raritan, New Jersey, with an average temperature varying between 64.6°F (18.1°C) and 82.4°F (28°C). Raritan's August showcases an average high-temperature of a still warm 82.4°F (28°C), hardly distinct from July's 84.2°F (29°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Raritan, New Jersey, with an average temperature ranging between min 58.1°F (14.5°C) and max 75.2°F (24°C). September ushers in a minute temperature change, with average high-temperatures reducing from August's warm 82.4°F (28°C) to a still moderately hot 75.2°F (24°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Raritan, New Jersey, with an average temperature ranging between min 48°F (8.9°C) and max 63.5°F (17.5°C). The commencement of October indicates a shift in the average high-temperature, receding from September's warm 75.2°F (24°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 Raritan, New Jersey, with an average temperature varying between 37.2°F (2.9°C) and 50.9°F (10.5°C). As October transitions into November, Raritan sees a drop in the average high-temperature, transitioning from a comfortable 63.5°F (17.5°C) to a fresh 50.9°F (10.5°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Raritan, New Jersey, with an average temperature ranging between max 42.3°F (5.7°C) and min 30.6°F (-0.8°C). The arrival of December is marked by a minor reduction in average high-temperature, sliding from a fresh 50.9°F (10.5°C) in November to a cold 42.3°F (5.7°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
In Raritan, New Jersey, the lowest temperatures are generally noted in January, averaging a high of 35.6°F (2°C) and a low of 23.2°F (-4.9°C).
In Raritan, New Jersey, during the entire year, the rain falls for 157.9 days and collects up to 28.19" (716mm) of precipitation.
January through May, October through December are months with snowfall.
Throughout the year, in Raritan, New Jersey, there are 23.8 snowfall days, and 9.53" (242mm) 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.
February, October and December, with an average relative humidity of 79%, are most humid months.
February has the least sunshine of the year in Raritan, with an average of 4.6h of sunshine.
March is the month with the most snowfall in Raritan, New Jersey. Snow falls for 4.9 days and accumulates 2.83" (72mm) 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 Raritan, with an average relative humidity of 74%.
In Raritan, snow does not fall in June through September.
June has the longest days of the year in Raritan, New Jersey, with an average of 15h and 0min of daylight.
June through August, with an average maximum UV index of 6, are months with the highest UV index in Raritan.
The temperatures reach their highest averages in July, with highs of 84.2°F (29°C) and lows of 66°F (18.9°C).
July has the most sunshine of the year, with an average of 10.4h of sunshine.
September is the month with the least rainfall. Rain falls for 12.3 days and accumulates 1.54" (39mm) of precipitation.
The month with the most rainfall is December, when the rain falls for 10.9 days and typically aggregates up to 2.91" (74mm) of precipitation.
The month with the shortest days in Raritan, New Jersey, is December, with an average of 9h and 18min of daylight.
Average temperature
Raritan, NJ
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.6°F).
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure
Raritan, NJ
- Average pressure in January:
30.07"Hg - Average pressure in February:
30.04"Hg - Average pressure in March:
30.06"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:
29.99"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.03"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
Raritan, NJ
- Average wind speed in January:
8.3mph - Average wind speed in February:
8.3mph - Average wind speed in March:
8.6mph - Average wind speed in April:
8.3mph - Average wind speed in May:
6.7mph - 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:
6.9mph - Average wind speed in November:
7.3mph - 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
Raritan, NJ
The months with the highest relative humidity are February, October and December (79%).
The month with the lowest relative humidity is April (74%).
Average rainfall
Raritan, NJ
- Average rainfall in January:
1.81" - Average rainfall in February:
2.09" - Average rainfall in March:
2.48" - Average rainfall in April:
2.17" - Average rainfall in May:
2.72" - Average rainfall in June:
2.36"
- Average rainfall in July:
2.87" - Average rainfall in August:
2.56" - Average rainfall in September:
1.54" - Average rainfall in October:
2.6" - Average rainfall in November:
2.09" - Average rainfall in December:
2.91"
The wettest month (with the highest rainfall) is December (2.91").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days
Raritan, NJ
- Average rainfall days in January:
9.2 days - Average rainfall days in February:
9 days - Average rainfall days in March:
12.7 days - Average rainfall days in April:
15.4 days - Average rainfall days in May:
17 days - Average rainfall days in June:
16.2 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
15.5 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
13.5 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
10.9 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (9 days).
Average snowfall
Raritan, NJ
- Average snowfall in January:
1.97" - Average snowfall in February:
2.56" - Average snowfall in March:
2.83" - Average snowfall in April:
0.12" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is March (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Raritan, NJ
- Average snowfall days in January:
6.8 days - Average snowfall days in February:
6.7 days - Average snowfall days in March:
4.9 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:
0.8 days - Average snowfall days in December:
4 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Raritan, 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 30min - 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 30min - 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 0min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 12min - Average sunshine in April:
8h and 12min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 36min - Average sunshine in October:
5h and 36min - 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days
Raritan, NJ
- Average sunshine days in January:
18.2 days - Average sunshine days in February:
14.2 days - Average sunshine days in March:
13.6 days - Average sunshine days in April:
12.5 days - Average sunshine days in May:
12 days - Average sunshine days in June:
11.7 days
- Average sunshine days in July:
12.4 days - Average sunshine days in August:
13.1 days - Average sunshine days in September:
15 days - Average sunshine days in October:
16.2 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
16.3 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is June (11.7 days).
Average UV index
Raritan, 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
Raritan, NJ
The months with the most cloud cover are February and December (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility
Raritan, NJ
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).
