Monthly weather forecast and climate
Thornwood, NY

January, the same as December, is another cold winter month in Thornwood, New York, with average temperature varying between 23.2°F (-4.9°C) and 34.9°F (1.6°C). January is the coldest month, with an average high-temperature of 34.9°F (1.6°C) and an average low-temperature of 23.2°F (-4.9°C). Weather in January »

The last month of the winter, February, is also a wintry month in Thornwood, New York, with temperature in the range of an average high of 37.9°F (3.3°C) and an average low of 24.6°F (-4.1°C). In Thornwood, the average high-temperature in February is almost the same as in January - a still cold 37.9°F (3.3°C). Weather in February »

March, the first month of the spring, in Thornwood, is a chilly month, with average temperature varying between 45.7°F (7.6°C) and 31.5°F (-0.3°C). In March, the average high-temperature marginally rises, from a wintry 37.9°F (3.3°C) in February, to a chilly 45.7°F (7.6°C). Weather in March »

April in Thornwood, New York, is a mild spring month, with temperature in the range of an average low of 41.7°F (5.4°C) and an average high of 57.7°F (14.3°C). In April, the average high-temperature increases, from a chilly 45.7°F (7.6°C) in March, to a moderate 57.7°F (14.3°C). Weather in April »

The last month of the spring, May, is an agreeable month in Thornwood, New York, with temperature in the range of an average high of 68.9°F (20.5°C) and an average low of 51.3°F (10.7°C). In Thornwood, New York, the average high-temperature in May increases, from a mild 57.7°F (14.3°C) in April, to an agreeable 68.9°F (20.5°C). Weather in May »

The first month of the summer, June, is a warm month in Thornwood, New York, with average temperature varying between 77.4°F (25.2°C) and 59.2°F (15.1°C). In June, the average high-temperature slightly increases, from an agreeable 68.9°F (20.5°C) in May, to a moderately hot 77.4°F (25.2°C). Weather in June »

July, like June, in Thornwood, New York, is a moderately hot summer month, with average temperature varying between 65.8°F (18.8°C) and 84.2°F (29°C). The warmest month is July, with an average high-temperature of 84.2°F (29°C) and an average low-temperature of 65.8°F (18.8°C). The average heat index in July is estimated at a hot 91.6°F (33.1°C). Weather in July »

August, the last month of the summer, in Thornwood, is also a moderately hot month, with average temperature fluctuating between 64.9°F (18.3°C) and 82°F (27.8°C). In August, the average high-temperature is practically the same as in July - a still moderately hot 82°F (27.8°C). Weather in August »

The first month of the autumn, September, is still a warm month in Thornwood, New York, with average temperature ranging between max 74.7°F (23.7°C) and min 58.3°F (14.6°C). In Thornwood, New York, the average high-temperature in September slightly decreases, from 82°F (27.8°C) in August, to a still moderately hot 74.7°F (23.7°C). Weather in September »

October, like September, in Thornwood, New York, is another enjoyable autumn month, with average temperature fluctuating between 62.4°F (16.9°C) and 48.7°F (9.3°C). In October, the average high-temperature drops, from a moderately hot 74.7°F (23.7°C) in September, to an enjoyable 62.4°F (16.9°C). Weather in October »

November, the last month of the autumn, in Thornwood, is also a fresh month, with average temperature fluctuating between 37.6°F (3.1°C) and 50.4°F (10.2°C). In November, the average high-temperature decreases, from an enjoyable 62.4°F (16.9°C) in October, to a fresh 50.4°F (10.2°C). Weather in November »

The first month of the winter, December, is also a wintry month in Thornwood, New York, with average temperature ranging between min 30.2°F (-1°C) and max 40.1°F (4.5°C). In Thornwood, New York, the average high-temperature in December drops, from a cool 50.4°F (10.2°C) in November, to a wintry 40.1°F (4.5°C). Weather in December »

What is the coldest month in Thornwood?

January is the coldest month, with an average high-temperature of 34.9°F (1.6°C) and an average low-temperature of 23.2°F (-4.9°C).

How much does it rain in Thornwood?

In Thornwood, during the entire year, the rain falls for 144.6 days and collects up to 25.51" (648mm) of precipitation.

When does it snow in Thornwood?

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

How much does it snow in Thornwood?

In Thornwood, New York, during the entire year, snow falls for 20.6 days, and aggregates up to 10.12" (257mm) of snow.

When is the lowest UV index in Thornwood?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Thornwood.

What is the most humid month in Thornwood?

Months with the highest humidity are February and December, with an average relative humidity of 78%.

What is the driest month in Thornwood?

February is the month with the least rainfall. Rain falls for 8 days and accumulates 1.5" (38mm) of precipitation.

What is the month with the least sunshine in Thornwood?

The month with the least sunshine is February, with an average of 4.7h of sunshine.

What is the snowiest month in Thornwood?

The month with the most snowfall is March when snow falls for 4.8 days and typically aggregates up to 3.31" (84mm) of snow.

What are the least humid months in Thornwood?

Months with the lowest humidity are April, July and August, with an average relative humidity of 72%.

When it does not snow in Thornwood?

In Thornwood, New York, snow does not fall in June through September.

When are the longest days in Thornwood?

With an average of 15.1h of daylight, June has the longest days of the year.

When is the highest UV index in Thornwood?

Months with the highest UV index in Thornwood are June through August, with an average maximum UV index of 6.

What is the warmest month in Thornwood?

With an average high-temperature of 84.2°F (29°C) and an average low-temperature of 65.8°F (18.8°C), July is the warmest month.

What is the rainiest month in Thornwood?

The month with the most rainfall in Thornwood, New York, is July when the rain falls for 16.9 days and typically aggregates up to 2.87" (73mm) of precipitation.

What month has the most sunshine in Thornwood?

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

What is the month with the shortest days in Thornwood?

With an average of 9.3h of daylight, December has the shortest days of the year in Thornwood.
Average temperature - Thornwood, NY
Average pressure - Thornwood, NY

The month with the highest atmospheric pressure is November (30.1").
The month with the lowest atmospheric pressure is June (29.93").

Average wind speed - Thornwood, NY

The windiest months (with the highest average wind speed) are January and March (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity - Thornwood, NY

Months with the highest relative humidity are February and December (78%).
Months with the lowest relative humidity are April, July and August (72%).

Average rainfall - Thornwood, NY
Average rainfall days - Thornwood, NY

The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (6 days).

Average snowfall - Thornwood, NY
Average snowfall days - Thornwood, NY

The month with the highest number of snowfall days is February (5.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Thornwood, NY

The month with the longest days is June (Average daylight: 15.1h).
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 sunshine days - Thornwood, NY

The month with the most sunshine days is November (20 days).
Months with the least sunshine days are June and July (12.3 days).

Average UV index - Thornwood, NY
Average visibility - Thornwood, NY

Months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).