Climate and monthly weather forecastSalem, NJ

Climate and monthly weather forecast

Weather in January

January, like December, in Salem, New Jersey, is another cold winter month, with temperature in the range of an average low of 27°F (-2.8°C) and an average high of 38.7°F (3.7°C). January, known for its average high temperature of 38.7°F (3.7°C) and an average low temperature of 27°F (-2.8°C), is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Salem, New Jersey, with temperature in the range of an average low of 29.7°F (-1.3°C) and an average high of 42.3°F (5.7°C). Salem experiences an average high-temperature of a still wintry 42.3°F (5.7°C) in February, marking an insignificant shift from 38.7°F (3.7°C) in January. Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Salem, New Jersey, with an average temperature varying between 50.2°F (10.1°C) and 35.8°F (2.1°C). Salem's March weather indicates a minor increase in high-temperatures, edging from February's icy 42.3°F (5.7°C) to a cool 50.2°F (10.1°C). Weather in March »

Weather in April

April is an enjoyable spring month in Salem, New Jersey, with temperature in the range of an average low of 46°F (7.8°C) and an average high of 62.6°F (17°C). April's arrival signals an increase in average high-temperatures, moving from March's fresh 50.2°F (10.1°C) to a comfortable 62.6°F (17°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Salem, New Jersey, with temperature in the range of an average high of 72.1°F (22.3°C) and an average low of 55.4°F (13°C). Salem's weather in May shows a rise in the average high-temperature, moving up from April's comfortable 62.6°F (17°C) to a pleasant 72.1°F (22.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Salem, New Jersey, with temperature in the range of an average low of 63.3°F (17.4°C) and an average high of 80.2°F (26.8°C). The arrival of June brings a soft temperature shift, with the average high-temperature nudging from a pleasant 72.1°F (22.3°C) in May to a moderately hot 80.2°F (26.8°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Salem, New Jersey, with an average temperature ranging between max 85.1°F (29.5°C) and min 68.5°F (20.3°C). July, on average, is the warmest month, registering a high temperature of 85.1°F (29.5°C) and a low of 68.5°F (20.3°C). July's mean heat index is computed to be a fiery hot 95°F (35°C). Weather in July »

Weather in August

August, the last month of the summer in Salem, is also a moderately hot month, with an average temperature varying between 83.5°F (28.6°C) and 67.3°F (19.6°C). Salem's average high-temperature in August is a still warm 83.5°F (28.6°C), indicating a subtle variation from July. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Salem, New Jersey, with an average temperature fluctuating between 77°F (25°C) and 61.2°F (16.2°C). September ushers in a minor alteration in Salem's climate, with the average high-temperature moving from August's warm 83.5°F (28.6°C) to a still moderately hot 77°F (25°C). Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in Salem, New Jersey, with an average temperature varying between 65.3°F (18.5°C) and 51.8°F (11°C). October's arrival comes with a decrease in the average high-temperature, moving from a warm 77°F (25°C) in September to a comfortable 65.3°F (18.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Salem, is also a fresh month, with an average temperature ranging between min 40.1°F (4.5°C) and max 53.8°F (12.1°C). A shift in the average high-temperature occurs in November, reducing from a refreshing 65.3°F (18.5°C) in October to a fresh 53.8°F (12.1°C). Weather in November »

Weather in December

December, the first month of the winter in Salem, is still a chilly month, with an average temperature fluctuating between 34°F (1.1°C) and 45°F (7.2°C). December reveals a small adjustment in temperature, transitioning from an average high of a cool 53.8°F (12.1°C) in November to a chilly 45°F (7.2°C). Weather in December »
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Salem, New Jersey, experiences its lowest temperatures in January, with an average peak of 38.7°F (3.7°C) and a low of 27°F (-2.8°C).

The month with the least rainfall is January, when the rain falls for 8.9 days and typically collects 1.77" (45mm) of precipitation.

Throughout the year, there are 147.7 rainfall days, and 27.8" (706mm) of precipitation is accumulated.

Months with snowfall are January through May, November and December.

Throughout the year, in Salem, New Jersey, there are 13.8 snowfall days, and 6.65" (169mm) of snow is accumulated.

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Salem, New Jersey.

With an average of 4.9h of sunshine, February has the least sunshine of the year in Salem, New Jersey.

The month with the most snowfall in Salem is March, when snow falls for 2.6 days and typically aggregates up to 2.32" (59mm) 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 Salem, with an average relative humidity of 72%.

The months with the highest humidity are May, June, September and October, with an average relative humidity of 77%.

May through August, with an average maximum UV index of 6, are months with the highest UV index in Salem.

June through October are months without snowfall in Salem, New Jersey.

June has the longest days of the year in Salem, with an average of 14h and 54min of daylight.

In Salem, July is the warmest month, with temperatures averaging a high of 85.1°F (29.5°C) and a low of 68.5°F (20.3°C).

With an average of 10.7h of sunshine, July has the most sunshine of the year.

The month with the most rainfall is August, when the rain falls for 15 days and typically aggregates up to 3.23" (82mm) of precipitation.

The month with the shortest days in Salem is December, with an average of 9h and 24min of daylight.

Average temperature
Salem, NJ

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (38.7°F).

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure
Salem, NJ

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed
Salem, NJ

The windiest months (with the highest average wind speed) are February, March and April (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity
Salem, NJ

The months with the highest relative humidity are May, June, September and October (77%).
The month with the lowest relative humidity is April (72%).

Average rainfall
Salem, NJ

The wettest month (with the highest rainfall) is August (3.23").
The driest month (with the least rainfall) is January (1.77").

Average rainfall days
Salem, NJ

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is November (8 days).

Average snowfall
Salem, NJ

The month with the highest snowfall is March (2.32").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days
Salem, NJ

The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight / Average sunshine
Salem, NJ

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days
Salem, NJ

The month with the most sunshine days is November (20.6 days).
The months with the least sunshine days are May and July (11.8 days).

Average UV index
Salem, 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 and December (UV index 2).

Average cloud cover
Salem, NJ

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility
Salem, 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).