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

Monthly weather forecast and climate
Oswego, NY

A unique view of the colorful sun rising over a calm marina in Oswego, New York, with a view of numerous boats and yachts docked along several piers
A unique view of the colorful sun rising over a calm marina in Oswego, New York, with a view of numerous boats and yachts docked along several piers
January, the same as December, in Oswego, New York, is another subzero cold winter month, with average temperature fluctuating between 21.7°F (-5.7°C) and 29.8°F (-1.2°C). The coldest month is January, with an average high-temperature of 29.8°F (-1.2°C) and an average low-temperature of 21.7°F (-5.7°C). Weather in January »

February, the last month of the winter, in Oswego, is another freezing cold month, with average temperature ranging between min 22.6°F (-5.2°C) and max 31.3°F (-0.4°C). In February, the average high-temperature is relatively the same as in January - a still freezing cold 31.3°F (-0.4°C). Weather in February »

The first month of the spring, March, is a cold month in Oswego, New York, with average temperature ranging between min 28.8°F (-1.8°C) and max 37.2°F (2.9°C). In Oswego, the average high-temperature slightly increases, from a freezing cold 31.3°F (-0.4°C) in February, to a wintry 37.2°F (2.9°C). Weather in March »

April in Oswego, New York, is a frosty spring month, with temperature in the range of an average low of 38.3°F (3.5°C) and an average high of 47.1°F (8.4°C). In April, the average high-temperature rises, from a cold 37.2°F (2.9°C) in March, to a chilly 47.1°F (8.4°C). Weather in April »

The last month of the spring, May, is a mild month in Oswego, New York, with average temperature fluctuating between 48°F (8.9°C) and 56.8°F (13.8°C). In May, the average high-temperature increases, from a chilly 47.1°F (8.4°C) in April, to a moderate 56.8°F (13.8°C). Weather in May »

The first month of the summer, June, is an enjoyable month in Oswego, New York, with average temperature fluctuating between 57.4°F (14.1°C) and 65.1°F (18.4°C). In June, the average high-temperature slightly increases, from a mild 56.8°F (13.8°C) in May, to a comfortable 65.1°F (18.4°C). Weather in June »

July in Oswego, New York, is a warm summer month, with average temperature ranging between min 65.8°F (18.8°C) and max 73.8°F (23.2°C). In Oswego, New York, the average high-temperature slightly increases, from an enjoyable 65.1°F (18.4°C) in June, to a warm 73.8°F (23.2°C). Weather in July »

The last month of the summer, August, is also a moderately hot month in Oswego, New York, with average temperature fluctuating between 65.8°F (18.8°C) and 74.1°F (23.4°C). The warmest month is August, with an average high-temperature of 74.1°F (23.4°C) and an average low-temperature of 65.8°F (18.8°C). Weather in August »

September, the first month of the autumn, in Oswego, is also an agreeable month, with temperature in the range of an average high of 68.9°F (20.5°C) and an average low of 59.9°F (15.5°C). In Oswego, the average high-temperature in September is practically the same as in August - a pleasant 68.9°F (20.5°C). Weather in September »

October, the same as September, in Oswego, New York, is a moderate autumn month, with average temperature fluctuating between 49.6°F (9.8°C) and 57.6°F (14.2°C). In October, the average high-temperature decreases, from a pleasant 68.9°F (20.5°C) in September, to a moderate 57.6°F (14.2°C). Weather in October »

November, the last month of the autumn, in Oswego, is also a frosty month, with average temperature ranging between min 38.3°F (3.5°C) and max 45.9°F (7.7°C). In November, the average high-temperature decreases, from a mild 57.6°F (14.2°C) in October, to a chilly 45.9°F (7.7°C). Weather in November »

December, the first month of the winter, in Oswego, is still a cold month, with average temperature fluctuating between 36.5°F (2.5°C) and 29.5°F (-1.4°C). In Oswego, the average high-temperature decreases, from a chilly 45.9°F (7.7°C) in November, to a cold 36.5°F (2.5°C). Weather in December »

What is the coldest month in Oswego?

The coldest month is January, with an average high-temperature of 29.8°F (-1.2°C) and an average low-temperature of 21.7°F (-5.7°C).

How much does it rain in Oswego?

In Oswego, New York, during the entire year, the rain falls for 163 days and collects up to 37.83" (961mm) of precipitation.

What is the driest month in Oswego?

The month with the least rainfall is January when the rain falls for 6.1 days and typically collects 2.2" (56mm) of precipitation.

When does it snow in Oswego?

January through April, October through December are months with snowfall in Oswego.

How much does it snow in Oswego?

In Oswego, during the entire year, snow falls for 46.3 days, and aggregates up to 14.8" (376mm) of snow.

What is the month with the least sunshine in Oswego?

January has the least sunshine of the year, with an average of 2.3h of sunshine.

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

Months with the lowest UV index in Oswego are January and December, with an average maximum UV index of 1.

When does it snow the most in Oswego?

The month with the most snowfall in Oswego, New York, is February when snow falls for 11.8 days and typically aggregates up to 3.94" (100mm) of snow.

What is the month with the coldest ocean in Oswego?

With an average ocean temperature of 35.4°F (1.9°C), March is the month with the coldest seawater.

What is the wettest month in Oswego?

May is the month with the most rainfall. Rain falls for 16.6 days and accumulates 4.37" (111mm) of precipitation.

When it does not snow in Oswego?

In Oswego, New York, snow does not fall in May through September.

What is the most humid month in Oswego?

The most humid month in Oswego, New York, is June, with an average relative humidity of 83%.

When are the longest days in Oswego?

With an average of 15.4h of daylight, June has the longest days of the year in Oswego.

What month has the most sunshine in Oswego?

The month with the most sunshine is July, with an average of 10.5h of sunshine.

When is the highest UV index in Oswego?

The month with the highest UV index is July, with an average maximum UV index of 6.

What is the warmest month in Oswego?

August is the warmest month in Oswego, with an average high-temperature of 74.1°F (23.4°C) and an average low-temperature of 65.8°F (18.8°C).

What month is the ocean warmest in Oswego?

With an average ocean temperature of 73.2°F (22.9°C), August is the month with the warmest seawater.

What is the least humid month in Oswego?

Months with the lowest humidity in Oswego, New York, are September and November, with an average relative humidity of 75%.

What is the month with the shortest days in Oswego?

December has the shortest days of the year in Oswego, New York, with an average of 9h of daylight.
Average temperature - Oswego, NY
Average humidity - Oswego, NY
Average rainfall - Oswego, NY
Average rainfall days - Oswego, NY

The month with the highest number of rainy days is August (18.6 days).
The month with the lowest number of rainy days is February (6 days).

Average snowfall - Oswego, NY
Average snowfall days - Oswego, NY

The month with the highest number of snowfall days is February (11.8 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average sea temperature - Oswego, NY

The best month for swimming (with the highest average sea temperature) is August (73.2°F).
The coldest month (with the lowest average sea temperature) is March (35.4°F).

Average daylight / Average sunshine - Oswego, NY