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 a freezing cold winter month, with average temperature fluctuating between 30°F (-1.1°C) and 18.1°F (-7.7°C). The coldest month is January, with an average high-temperature of 30°F (-1.1°C) and an average low-temperature of 18.1°F (-7.7°C). Weather in January »
February, the last month of the winter, in Oswego, is a cold month, with average temperature fluctuating between 32.7°F (0.4°C) and 20.1°F (-6.6°C). In February, the average high-temperature is relatively the same as in January - a wintry 32.7°F (0.4°C). Weather in February »

March, the first month of the spring, in Oswego, is still a cold month, with average temperature varying between 27°F (-2.8°C) and 40.6°F (4.8°C). In Oswego, the average high-temperature slightly increases, from a cold 32.7°F (0.4°C) in February, to a still wintry 40.6°F (4.8°C). Weather in March »

April is a cool spring month in Oswego, New York, with average temperature ranging between max 53.2°F (11.8°C) and min 37.6°F (3.1°C). In April, the average high-temperature increases, from a cold 40.6°F (4.8°C) in March, to a fresh 53.2°F (11.8°C). Weather in April »

The last month of the spring, May, is a comfortable month in Oswego, New York, with average temperature ranging between max 64.8°F (18.2°C) and min 46.9°F (8.3°C). In Oswego, the average high-temperature rises, from a cool 53.2°F (11.8°C) in April, to an enjoyable 64.8°F (18.2°C). Weather in May »

June, the first month of the summer, in Oswego, is a warm month, with average temperature fluctuating between 74.5°F (23.6°C) and 56.8°F (13.8°C). In Oswego, New York, the average high-temperature rises, from a comfortable 64.8°F (18.2°C) in May, to a moderately hot 74.5°F (23.6°C). Weather in June »

July, the same as June, is another warm summer month in Oswego, New York, with average temperature ranging between max 79.2°F (26.2°C) and min 62.6°F (17°C). July is the warmest month, with an average high-temperature of 79.2°F (26.2°C) and an average low-temperature of 62.6°F (17°C). Weather in July »

August, the last month of the summer, in Oswego, is another warm month, with average temperature ranging between min 61.5°F (16.4°C) and max 78.1°F (25.6°C). In Oswego, the average high-temperature in August is essentially the same as in July - a still warm 78.1°F (25.6°C). Weather in August »

The first month of the autumn, September, is also an agreeable month in Oswego, New York, with average temperature varying between 54.5°F (12.5°C) and 70.3°F (21.3°C). In Oswego, the average high-temperature marginally drops, from a warm 78.1°F (25.6°C) in August, to an agreeable 70.3°F (21.3°C). Weather in September »

October, the same as September, in Oswego, New York, is a moderate autumn month, with temperature in the range of an average high of 58.3°F (14.6°C) and an average low of 44.2°F (6.8°C). In October, the average high-temperature decreases, from a pleasant 70.3°F (21.3°C) in September, to a moderate 58.3°F (14.6°C). Weather in October »

November, the last month of the autumn, in Oswego, is also a frosty month, with average temperature fluctuating between 35.4°F (1.9°C) and 46.8°F (8.2°C). In November, the average high-temperature decreases, from a mild 58.3°F (14.6°C) in October, to a chilly 46.8°F (8.2°C). Weather in November »

The first month of the winter, December, is also a wintry month in Oswego, New York, with average temperature varying between 24.8°F (-4°C) and 35.2°F (1.8°C). In December, the average high-temperature decreases, from a chilly 46.8°F (8.2°C) in November, to a cold 35.2°F (1.8°C). Weather in December »

What is the coldest month in Oswego?

With an average high-temperature of 30°F (-1.1°C) and an average low-temperature of 18.1°F (-7.7°C), January is the coldest month.

How much does it rain in Oswego?

Throughout the year, there are 175.1 rainfall days, and 42.5" (1078.4mm) of precipitation is accumulated.

When does it snow in Oswego?

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

How many days does it snow in Oswego?

In Oswego, during the entire year, snow falls for 66.2 days, and aggregates up to 141" (3581.4mm) of snow.

What is the snowiest month in Oswego?

January is the month with the most snowfall. Snow falls for 19.4 days and accumulates 45.6" (1158.2mm) of snow.

What is the driest month in Oswego?

The month with the least rainfall in Oswego, New York, is February when the rain falls for 16.3 days and typically collects 2.8" (71.1mm) of precipitation.

What month is the ocean coldest in Oswego?

With an average ocean temperature of 35.4°F (1.9°C), March is the month with the coldest seawater in Oswego. For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

When are the longest days in Oswego?

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

What is the warmest month in Oswego?

With an average high-temperature of 79.2°F (26.2°C) and an average low-temperature of 62.6°F (17°C), July is the warmest month in Oswego, New York.

When is the ocean warmest in Oswego?

The month with the warmest seawater in Oswego is August, with an average ocean temperature of 73.2°F (22.9°C). For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 73.2°F (22.9°C).

What is the wettest month in Oswego?

The month with the most rainfall is November when the rain falls for 16.8 days and typically aggregates up to 4.4" (112.5mm) of precipitation.

What is the month with the shortest days in Oswego?

The month with the shortest days is December, with an average of 9h of daylight.
Average rainfall - Oswego, NY
Average rainfall days - Oswego, NY

The month with the highest number of rainy days is January (20.4 days).
The month with the lowest number of rainy days is July (10.6 days).

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

The month with the highest number of snowfall days is January (19.4 days).
Months with the lowest number of snowfall days are May, 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 - Oswego, NY