Dayton
New Jersey, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Dayton, NJ

January, like December, in Dayton, New Jersey, is a wintry winter month, with average temperature fluctuating between 37°F (2.8°C) and 25°F (-3.9°C). The coldest month is January, with an average high-temperature of 37°F (2.8°C) and an average low-temperature of 25°F (-3.9°C). Weather in January »

The last month of the winter, February, is another cold month in Dayton, New Jersey, with average temperature varying between 26.6°F (-3°C) and 39.9°F (4.4°C). In February, the average high-temperature is almost the same as in January - a still cold 39.9°F (4.4°C). Weather in February »

The first month of the spring, March, is a frosty month in Dayton, New Jersey, with temperature in the range of an average high of 47.8°F (8.8°C) and an average low of 34.2°F (1.2°C). In March, the average high-temperature slightly increases, from a wintry 39.9°F (4.4°C) in February, to a chilly 47.8°F (8.8°C). Weather in March »

April is a mild spring month in Dayton, New Jersey, with average temperature fluctuating between 59.4°F (15.2°C) and 43.9°F (6.6°C). In Dayton, the average high-temperature rises, from a chilly 47.8°F (8.8°C) in March, to a moderate 59.4°F (15.2°C). Weather in April »

The last month of the spring, May, is an agreeable month in Dayton, New Jersey, with temperature in the range of an average low of 54°F (12.2°C) and an average high of 69.4°F (20.8°C). In May, the average high-temperature rises, from a mild 59.4°F (15.2°C) in April, to a pleasant 69.4°F (20.8°C). Weather in May »

The first month of the summer, June, is a warm month in Dayton, New Jersey, with average temperature varying between 61.5°F (16.4°C) and 77.9°F (25.5°C). In Dayton, the average high-temperature in June slightly increases, from a pleasant 69.4°F (20.8°C) in May, to a moderately hot 77.9°F (25.5°C). Weather in June »

July, the same as June, is a moderately hot summer month in Dayton, New Jersey, with average temperature varying between 84.2°F (29°C) and 68°F (20°C). The warmest month is July, with an average high-temperature of 84.2°F (29°C) and an average low-temperature of 68°F (20°C). The average heat index is appraised at a tropical 92.3°F (33.5°C). Weather in July »

The last month of the summer, August, is also a moderately hot month in Dayton, New Jersey, with average temperature ranging between min 67.3°F (19.6°C) and max 82.4°F (28°C). In August, the average high-temperature is almost the same as in July - a still moderately hot 82.4°F (28°C). Weather in August »

The first month of the autumn, September, is also a moderately hot month in Dayton, New Jersey, with temperature in the range of an average low of 60.6°F (15.9°C) and an average high of 75.7°F (24.3°C). In September, the average high-temperature marginally drops, from 82.4°F (28°C) in August, to a still moderately hot 75.7°F (24.3°C). Weather in September »

October, like September, in Dayton, New Jersey, is another enjoyable autumn month, with average temperature fluctuating between 63.9°F (17.7°C) and 50.4°F (10.2°C). In October, the average high-temperature drops, from a moderately hot 75.7°F (24.3°C) in September, to a comfortable 63.9°F (17.7°C). Weather in October »

November, the last month of the autumn, in Dayton, is another cool month, with average temperature varying between 38.8°F (3.8°C) and 52°F (11.1°C). In November, the average high-temperature drops, from a comfortable 63.9°F (17.7°C) in October, to a cool 52°F (11.1°C). Weather in November »

December, the first month of the winter, in Dayton, is also a frosty month, with average temperature ranging between min 32.7°F (0.4°C) and max 43.2°F (6.2°C). In December, the average high-temperature slightly decreases, from a fresh 52°F (11.1°C) in November, to a chilly 43.2°F (6.2°C). Weather in December »

What is the coldest month in Dayton?

With an average high-temperature of 37°F (2.8°C) and an average low-temperature of 25°F (-3.9°C), January is the coldest month in Dayton.

How much does it rain in Dayton?

In Dayton, during the entire year, the rain falls for 92.9 days and collects up to 7.32" (186mm) of precipitation.

When does it snow in Dayton?

January through March, November and December are months with snowfall.

How many days does it snow in Dayton?

In Dayton, New Jersey, during the entire year, snow falls for 12.7 days, and aggregates up to 1.5" (38mm) of snow.

What is the month with the lowest UV index in Dayton?

Months with the lowest UV index in Dayton, New Jersey, are January through March, November and December, with an average maximum UV index of 2.

What are the most humid months in Dayton?

Months with the highest humidity in Dayton are February, May, October and December, with an average relative humidity of 77%.

What is the month with the least sunshine in Dayton?

The month with the least sunshine in Dayton, New Jersey, is February, with an average of 4.7h of sunshine.

What is the snowiest month in Dayton?

March is the month with the most snowfall in Dayton. Snow falls for 3 days and accumulates 0.51" (13mm) of snow.

What are the least humid months in Dayton?

Months with the lowest humidity in Dayton, New Jersey, are April and August, with an average relative humidity of 73%.

When it does not snow in Dayton?

In Dayton, New Jersey, snow does not fall in April through October.

What are the months with the highest UV index in Dayton?

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

When are the longest days in Dayton?

With an average of 15h of daylight, June has the longest days of the year in Dayton.

What is the warmest month in Dayton?

With an average high-temperature of 84.2°F (29°C) and an average low-temperature of 68°F (20°C), July is the warmest month in Dayton, New Jersey.

What is the rainiest month in Dayton?

July is the month with the most rainfall. Rain falls for 10.7 days and accumulates 0.94" (24mm) of precipitation.

What month has the most sunshine in Dayton?

July has the most sunshine of the year in Dayton, with an average of 10.5h of sunshine.

What is the driest month in Dayton?

The month with the least rainfall is September when the rain falls for 7.5 days and typically collects 0.28" (7mm) of precipitation.

What is the month with the shortest days in Dayton?

With an average of 9.3h of daylight, December has the shortest days of the year in Dayton, New Jersey.
Average humidity - Dayton, NJ

Months with the highest relative humidity are February, May, October and December (77%).
Months with the lowest relative humidity are April and August (73%).

Average rainfall - Dayton, NJ

The wettest month (with the highest rainfall) is July (0.94").
The driest month (with the least rainfall) is September (0.28").

Average rainfall days - Dayton, NJ

The month with the highest number of rainy days is July (10.7 days).
Months with the least rainy days are January and November (4.8 days).

Average snowfall - Dayton, NJ

The month with the highest snowfall is March (0.51").
Months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days - Dayton, NJ

The month with the highest number of snowfall days is February (3.8 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine - Dayton, NJ

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

The month with the most sunshine is July (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.7h).

Average UV index - Dayton, NJ

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).