Climate and monthly weather forecastAdelphia, NJ

Climate and monthly weather forecast

Weather in January

January, the same as December, is an icy winter month in Adelphia, New Jersey, with an average temperature fluctuating between 27°F (-2.8°C) and 37.8°F (3.2°C). In Adelphia, January is the coldest month, with temperatures averaging a high of 37.8°F (3.2°C) and a low of 27°F (-2.8°C). Weather in January »

Weather in February

February, the last month of the winter in Adelphia, is another cold month, with temperature in the range of an average low of 28.8°F (-1.8°C) and an average high of 40.6°F (4.8°C). February's onset records an average high-temperature of a still icy 40.6°F (4.8°C), a near match to January's 37.8°F (3.2°C). Weather in February »

Weather in March

March, the first month of the spring in Adelphia, is a frosty month, with temperature in the range of an average low of 35.2°F (1.8°C) and an average high of 47.1°F (8.4°C). March's onset brings a minor rise in the average high-temperature, moving from an icy 40.6°F (4.8°C) in February to a frosty 47.1°F (8.4°C). Weather in March »

Weather in April

April is a moderate spring month in Adelphia, New Jersey, with temperature in the range of an average low of 44.8°F (7.1°C) and an average high of 57.9°F (14.4°C). April's arrival sees a rise in the average high-temperature, jumping from March's frosty 47.1°F (8.4°C) to a refreshing 57.9°F (14.4°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Adelphia, New Jersey, with an average temperature fluctuating between 67.6°F (19.8°C) and 53.8°F (12.1°C). May shows a rise in the average high-temperature, moving from April's moderate 57.9°F (14.4°C) to an enjoyable 67.6°F (19.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Adelphia, New Jersey, with temperature in the range of an average low of 62.4°F (16.9°C) and an average high of 75.9°F (24.4°C). Adelphia in June denotes a subtle temperature transition, adjusting from an average high of a refreshing 67.6°F (19.8°C) in May to a moderately hot 75.9°F (24.4°C). Weather in June »

Weather in July

July, like June, in Adelphia, New Jersey, is another warm summer month, with an average temperature fluctuating between 69.1°F (20.6°C) and 82.4°F (28°C). Adelphia's warmest month, July, generally records average temperatures ranging from a high of 82.4°F (28°C) to a low of 69.1°F (20.6°C). The heat index value for July is appraised at a tropical 89.6°F (32°C). Weather in July »

Weather in August

August, the last month of the summer in Adelphia, is another warm month, with an average temperature varying between 68°F (20°C) and 80.8°F (27.1°C). The advent of August sees the average high-temperature at a still moderately hot 80.8°F (27.1°C), subtly shifted from July's 82.4°F (28°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Adelphia, New Jersey, with temperature in the range of an average high of 74.3°F (23.5°C) and an average low of 62.1°F (16.7°C). With the arrival of September, Adelphia notices a mild change in the average high-temperature, sliding from August's moderately hot 80.8°F (27.1°C) to a still warm 74.3°F (23.5°C). Weather in September »

Weather in October

October, like September, in Adelphia, New Jersey, is another enjoyable autumn month, with temperature in the range of an average low of 52°F (11.1°C) and an average high of 63.5°F (17.5°C). The shift from September to October involves a decrease in the average high-temperature, dropping from a moderately hot 74.3°F (23.5°C) to a refreshing 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 Adelphia, New Jersey, with temperature in the range of an average low of 40.8°F (4.9°C) and an average high of 52.3°F (11.3°C). The start of November signals a decrease in the average high-temperature, transitioning from an enjoyable 63.5°F (17.5°C) in October to a cool 52.3°F (11.3°C). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in Adelphia, New Jersey, with temperature in the range of an average low of 34°F (1.1°C) and an average high of 43.7°F (6.5°C). Adelphia in December undergoes a slight reduction in the average high-temperature, shifting from November's fresh 52.3°F (11.3°C) to a frosty 43.7°F (6.5°C). Weather in December »
Updated: Jun 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Adelphia's January weather, marked by an average high temperature of 37.8°F (3.2°C) and an average low temperature of 27°F (-2.8°C), is the coldest in the year.

January, March and April, with an average relative humidity of 74%, are the least humid months.

Throughout the year, there are 164.1 rainfall days, and 34.53" (877mm) of precipitation is accumulated.

January through May, October through December are months with snowfall.

In Adelphia, during the entire year, snow falls for 20.4 days and aggregates up to 8.19" (208mm) of snow.

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

The month with the least sunshine is February, with an average of 4.9h of sunshine.

March is the month with the most snowfall. Snow falls for 4.1 days and accumulates 2.36" (60mm) 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 months with the highest humidity are May and June, with an average relative humidity of 79%.

June through September are months without snowfall.

The month with the longest days is June, 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.

The temperatures reach their highest averages in July, with highs of 82.4°F (28°C) and lows of 69.1°F (20.6°C).

The months with the most rainfall are July and December, with an average 3.7" (94mm) of precipitation.

With an average of 10.8h of sunshine, July has the most sunshine of the year.

September is the month with the least rainfall. Rain falls for 13.5 days and accumulates 2.05" (52mm) of precipitation.

December has the shortest days of the year, with an average of 9h and 24min of daylight.

Average temperature
Adelphia, NJ

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (37.8°F).

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure
Adelphia, NJ

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
Adelphia, NJ

The windiest months (with the highest average wind speed) are January, February and March (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity
Adelphia, NJ

The months with the highest relative humidity are May and June (79%).
The months with the lowest relative humidity are January, March and April (74%).

Average rainfall
Adelphia, NJ

The wettest months (with the highest rainfall) are July and December (3.7").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days
Adelphia, NJ

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (9.6 days).

Average snowfall
Adelphia, NJ

The month with the highest snowfall is March (2.36").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Adelphia, NJ

The month with the highest number of snowfall days is January (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Adelphia, NJ

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).

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 54min).

Average sunshine days
Adelphia, NJ

The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is July (10.8 days).

Average UV index
Adelphia, 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, November and December (UV index 2).

Average cloud cover
Adelphia, NJ

The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 29).

Average visibility
Adelphia, 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).