Jefferson
New York, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Jefferson, NY

January, the same as December, in Jefferson, New York, is a freezing cold winter month, with temperature in the range of an average high of 26.1°F (-3.3°C) and an average low of 14.4°F (-9.8°C). The coldest month is January, with an average high-temperature of 26.1°F (-3.3°C) and an average low-temperature of 14.4°F (-9.8°C). Weather in January »

February, the last month of the winter, in Jefferson, is also a subzero cold month, with average temperature fluctuating between 29.1°F (-1.6°C) and 16°F (-8.9°C). In Jefferson, the average high-temperature is almost the same as in January - a still freezing cold 29.1°F (-1.6°C). Weather in February »

March, the first month of the spring, in Jefferson, is a cold month, with average temperature ranging between min 22.6°F (-5.2°C) and max 37.4°F (3°C). In Jefferson, the average high-temperature in March slightly increases, from a freezing cold 29.1°F (-1.6°C) in February, to a cold 37.4°F (3°C). Weather in March »

April in Jefferson, New York, is a cool spring month, with average temperature ranging between min 33.6°F (0.9°C) and max 50.5°F (10.3°C). In Jefferson, the average high-temperature in April rises, from a cold 37.4°F (3°C) in March, to a cool 50.5°F (10.3°C). Weather in April »

May, the last month of the spring, in Jefferson, is a comfortable month, with average temperature varying between 44.6°F (7°C) and 63.9°F (17.7°C). In Jefferson, New York, the average high-temperature in May rises, from a cool 50.5°F (10.3°C) in April, to a comfortable 63.9°F (17.7°C). Weather in May »

June, the first month of the summer, in Jefferson, is a pleasant month, with average temperature ranging between max 70.9°F (21.6°C) and min 51.3°F (10.7°C). In Jefferson, the average high-temperature marginally rises, from an enjoyable 63.9°F (17.7°C) in May, to an agreeable 70.9°F (21.6°C). Weather in June »

July in Jefferson, New York, is a warm summer month, with average temperature ranging between min 56.8°F (13.8°C) and max 77°F (25°C). July is the warmest month, with an average high-temperature of 77°F (25°C) and an average low-temperature of 56.8°F (13.8°C). Weather in July »

August, the last month of the summer, in Jefferson, is also a moderately hot month, with average temperature varying between 54.5°F (12.5°C) and 74.5°F (23.6°C). In Jefferson, New York, the average high-temperature is relatively the same as in July - a still warm 74.5°F (23.6°C). Weather in August »

The first month of the autumn, September, is still a pleasant month in Jefferson, New York, with temperature in the range of an average low of 48°F (8.9°C) and an average high of 68°F (20°C). In Jefferson, New York, the average high-temperature slightly decreases, from a warm 74.5°F (23.6°C) in August, to an agreeable 68°F (20°C). Weather in September »

October, like September, in Jefferson, New York, is a cool autumn month, with average temperature fluctuating between 54.5°F (12.5°C) and 39.9°F (4.4°C). In Jefferson, the average high-temperature in October drops, from an agreeable 68°F (20°C) in September, to a cool 54.5°F (12.5°C). Weather in October »

The last month of the autumn, November, is also a wintry month in Jefferson, New York, with average temperature ranging between max 41.9°F (5.5°C) and min 28.6°F (-1.9°C). In November, the average high-temperature drops, from a fresh 54.5°F (12.5°C) in October, to a wintry 41.9°F (5.5°C). Weather in November »

December, the first month of the winter, in Jefferson, is also a wintry month, with average temperature ranging between max 32°F (0°C) and min 21.7°F (-5.7°C). In December, the average high-temperature decreases, from a wintry 41.9°F (5.5°C) in November, to a still cold 32°F (0°C). Weather in December »

What is the coldest month in Jefferson?

The coldest month is January, with an average high-temperature of 26.1°F (-3.3°C) and an average low-temperature of 14.4°F (-9.8°C).

How much does it rain in Jefferson?

Throughout the year, in Jefferson, New York, there are 150.7 rainfall days, and 27.83" (707mm) of precipitation is accumulated.

What is the driest month in Jefferson?

The month with the least rainfall in Jefferson is January when the rain falls for 4.6 days and typically collects 1.5" (38mm) of precipitation.

When does it snow in Jefferson?

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

How much does it snow in Jefferson?

In Jefferson, New York, during the entire year, snow falls for 98 days, and aggregates up to 50.39" (1280mm) of snow.

When is the lowest UV index in Jefferson?

January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Jefferson.

What is the most humid month in Jefferson?

February and December, with an average relative humidity of 87%, are most humid months in Jefferson, New York.

What is the month with the least sunshine in Jefferson?

The month with the least sunshine in Jefferson, New York, is February, with an average of 2.8h of sunshine.

What are the least humid months in Jefferson?

Months with the lowest humidity in Jefferson are April through July, with an average relative humidity of 80%.

When it does not snow in Jefferson?

June through September are months without snowfall in Jefferson.

When are the longest days in Jefferson?

The month with the longest days in Jefferson, New York, is June, with an average of 15.3h of daylight.

When is the highest UV index in Jefferson?

Months with the highest UV index are June through August, with an average maximum UV index of 5.

What is the warmest month in Jefferson?

July is the warmest month in Jefferson, with an average high-temperature of 77°F (25°C) and an average low-temperature of 56.8°F (13.8°C).

What month has the most sunshine in Jefferson?

July has the most sunshine of the year, with an average of 9.8h of sunshine.

What is the wettest month in Jefferson?

The month with the most rainfall in Jefferson is August when the rain falls for 16.9 days and typically aggregates up to 3.27" (83mm) of precipitation.

When does it snow the most in Jefferson?

The month with the most snowfall in Jefferson is December when snow falls for 18 days and typically aggregates up to 9.84" (250mm) of snow.

What is the month with the shortest days in Jefferson?

With an average of 9.1h of daylight, December has the shortest days of the year in Jefferson.
Average humidity - Jefferson, NY

Months with the highest relative humidity are February and December (87%).
Months with the lowest relative humidity are April, May, June and July (80%).

Average rainfall - Jefferson, NY

The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is January (1.5").

Average rainfall days - Jefferson, NY

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (4.6 days).

Average snowfall - Jefferson, NY
Average snowfall days - Jefferson, NY

The month with the highest number of snowfall days is January (19 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Jefferson, NY

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

The month with the most sunshine is July (Average sunshine: 9.8h).
The month with the least sunshine is February (Average sunshine: 2.8h).

Average UV index - Jefferson, NY