Monthly weather forecast and climate
Cortland, NY

A monument from the civil war stands high in the neat lawns near the iconic courthouse in the Courthouse Park in Cortland, New York
A monument from the civil war stands high in the neat lawns near the iconic courthouse in the Courthouse Park in Cortland, New York

Weather in January

January, the same as December, in Cortland, New York, is another subzero cold winter month, with average temperature ranging between min 15.8°F (-9°C) and max 27°F (-2.8°C). With an average high-temperature of 27°F (-2.8°C) and an average low-temperature of 15.8°F (-9°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Cortland, New York, with average temperature varying between 17.4°F (-8.1°C) and 30.2°F (-1°C). In Cortland, the average high-temperature in February is relatively the same as in January - a still subzero cold 30.2°F (-1°C). Weather in February »

Weather in March

March, the first month of the spring, in Cortland, is a cold month, with average temperature fluctuating between 39.6°F (4.2°C) and 24.8°F (-4°C). In March, the average high-temperature increases, from a subzero cold 30.2°F (-1°C) in February, to a wintry 39.6°F (4.2°C). Weather in March »

Weather in April

April is a fresh spring month in Cortland, New York, with average temperature fluctuating between 52.3°F (11.3°C) and 35.1°F (1.7°C). In Cortland, the average high-temperature in April increases, from a cold 39.6°F (4.2°C) in March, to a fresh 52.3°F (11.3°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Cortland, New York, with average temperature varying between 46°F (7.8°C) and 65.7°F (18.7°C). In Cortland, the average high-temperature in May increases, from a fresh 52.3°F (11.3°C) in April, to an enjoyable 65.7°F (18.7°C). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in Cortland, New York, with average temperature ranging between max 72.3°F (22.4°C) and min 52.2°F (11.2°C). In June, the average high-temperature slightly increases, from a comfortable 65.7°F (18.7°C) in May, to an agreeable 72.3°F (22.4°C). Weather in June »

Weather in July

July in Cortland, New York, is a warm summer month, with temperature in the range of an average high of 77.9°F (25.5°C) and an average low of 57.7°F (14.3°C). The warmest month is July, with an average high-temperature of 77.9°F (25.5°C) and an average low-temperature of 57.7°F (14.3°C). Weather in July »

Weather in August

August, the last month of the summer, in Cortland, is also a moderately hot month, with average temperature varying between 55.9°F (13.3°C) and 75.4°F (24.1°C). In Cortland, the average high-temperature is relatively the same as in July - a still moderately hot 75.4°F (24.1°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Cortland, New York, with average temperature fluctuating between 69.1°F (20.6°C) and 50.5°F (10.3°C). In Cortland, the average high-temperature marginally drops, from a warm 75.4°F (24.1°C) in August, to an agreeable 69.1°F (20.6°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Cortland, New York, with average temperature fluctuating between 41.9°F (5.5°C) and 56.7°F (13.7°C). In Cortland, New York, the average high-temperature in October drops, from an agreeable 69.1°F (20.6°C) in September, to a mild 56.7°F (13.7°C). Weather in October »

Weather in November

November, the last month of the autumn, in Cortland, is another chilly month, with temperature in the range of an average low of 31.1°F (-0.5°C) and an average high of 43.3°F (6.3°C). In November, the average high-temperature decreases, from a moderate 56.7°F (13.7°C) in October, to a frosty 43.3°F (6.3°C). Weather in November »

Weather in December

December, the first month of the winter, in Cortland, is also a wintry month, with average temperature ranging between min 23.7°F (-4.6°C) and max 33.1°F (0.6°C). In Cortland, New York, the average high-temperature decreases, from a chilly 43.3°F (6.3°C) in November, to a cold 33.1°F (0.6°C). Weather in December »
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FAQ

What is the coldest month in Cortland?

With an average high-temperature of 27°F (-2.8°C) and an average low-temperature of 15.8°F (-9°C), January is the coldest month in Cortland.

What is the most humid month in Cortland?

January and February, with an average relative humidity of 88%, are most humid months in Cortland, New York.

How many days does it rain in Cortland?

In Cortland, during the entire year, the rain falls for 149.8 days and collects up to 22.36" (568mm) of precipitation.

When does it snow in Cortland?

January through May, October through December are months with snowfall in Cortland, New York.

How much does it snow in Cortland?

In Cortland, during the entire year, snow falls for 79.7 days, and aggregates up to 24.06" (611mm) of snow.

What are the months with the lowest UV index in Cortland?

Months with the lowest UV index in Cortland, New York, are January, February and December, with an average maximum UV index of 1.

What is the snowiest month in Cortland?

The month with the most snowfall in Cortland is February when snow falls for 17.6 days and typically aggregates up to 5.75" (146mm) of snow.

What is the month with the least sunshine in Cortland?

The month with the least sunshine in Cortland is February, with an average of 2.4h of sunshine.

What are the least humid months in Cortland?

Months with the lowest humidity in Cortland are April and May, with an average relative humidity of 80%.

What is the wettest month in Cortland?

The wettest months are May and July, with an average 2.48" (63mm) of rainfall.

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

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

When it does not snow in Cortland?

June through September are months without snowfall in Cortland.

When are the longest days in Cortland?

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

What is the warmest month in Cortland?

With an average high-temperature of 77.9°F (25.5°C) and an average low-temperature of 57.7°F (14.3°C), July is the warmest month in Cortland, New York.

What month has the most sunshine in Cortland?

July has the most sunshine of the year in Cortland, with an average of 10.1h of sunshine.

What is the driest month in Cortland?

November is the month with the least rainfall in Cortland. Rain falls for 9.3 days and accumulates 1.34" (34mm) of precipitation.

What is the month with the shortest days in Cortland?

The month with the shortest days is December, with an average of 9.1h of daylight.

Average temperature
Cortland, NY

Average temperature - Cortland, NY

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (27°F).

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

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Average pressure
Cortland, NY

Average pressure - Cortland, NY

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

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Average wind speed
Cortland, NY

Average wind speed - Cortland, NY

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity
Cortland, NY

Average humidity - Cortland, NY

Months with the highest relative humidity are January and February (88%).
Months with the lowest relative humidity are April and May (80%).

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Average rainfall
Cortland, NY

Average rainfall - Cortland, NY

The wettest months (with the highest rainfall) are May and July (2.48").
The driest month (with the least rainfall) is November (1.34").

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Average rainfall days
Cortland, NY

Average rainfall days - Cortland, NY

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (5.7 days).

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Average snowfall
Cortland, NY

Average snowfall - Cortland, NY

The month with the highest snowfall is February (5.75").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Cortland, NY

Average snowfall days - Cortland, NY

The month with the highest number of snowfall days is January (18.2 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Cortland, NY

Average daylight / Average sunshine - Cortland, 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: 10.1h).
The month with the least sunshine is February (Average sunshine: 2.4h).

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Average sunshine days
Cortland, NY

Average sunshine days - Cortland, NY

The month with the most sunshine days is September (15.8 days).
The month with the least sunshine days is February (7.7 days).

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Average UV index
Cortland, NY

Average UV index - Cortland, NY

Months with the highest UV index are May, June, July and August (UV index 5).
Months with the lowest UV index are January, February and December (UV index 1).

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