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

Monthly weather forecast and climate
Lewis, NY

January, the same as December, in Lewis, New York, is a freezing cold winter month, with average temperature fluctuating between 12.4°F (-10.9°C) and 24.8°F (-4°C). The coldest month is January, with an average high-temperature of 24.8°F (-4°C) and an average low-temperature of 12.4°F (-10.9°C). Weather in January »

The last month of the winter, February, is another freezing cold month in Lewis, New York, with average temperature varying between 27.7°F (-2.4°C) and 13.5°F (-10.3°C). In February, the average high-temperature is practically the same as in January - a still subzero cold 27.7°F (-2.4°C). Weather in February »

March, the first month of the spring, in Lewis, is a wintry month, with average temperature varying between 21.6°F (-5.8°C) and 36.3°F (2.4°C). In March, the average high-temperature marginally rises, from a freezing cold 27.7°F (-2.4°C) in February, to a wintry 36.3°F (2.4°C). Weather in March »

April in Lewis, New York, is a cool spring month, with average temperature ranging between max 50.4°F (10.2°C) and min 32.5°F (0.3°C). In Lewis, the average high-temperature increases, from a wintry 36.3°F (2.4°C) in March, to a cool 50.4°F (10.2°C). Weather in April »

May, the last month of the spring, in Lewis, is an enjoyable month, with temperature in the range of an average high of 65.3°F (18.5°C) and an average low of 44.4°F (6.9°C). In May, the average high-temperature soars, from a fresh 50.4°F (10.2°C) in April, to an enjoyable 65.3°F (18.5°C). Weather in May »

The first month of the summer, June, is an agreeable month in Lewis, New York, with temperature in the range of an average low of 51.1°F (10.6°C) and an average high of 72.1°F (22.3°C). In June, the average high-temperature slightly increases, from an enjoyable 65.3°F (18.5°C) in May, to an agreeable 72.1°F (22.3°C). Weather in June »

July in Lewis, New York, is a moderately hot summer month, with average temperature ranging between max 78.6°F (25.9°C) and min 56.8°F (13.8°C). July is the warmest month, with an average high-temperature of 78.6°F (25.9°C) and an average low-temperature of 56.8°F (13.8°C). Weather in July »

The last month of the summer, August, is another warm month in Lewis, New York, with average temperature ranging between max 76.8°F (24.9°C) and min 55.4°F (13°C). In August, the average high-temperature is relatively the same as in July - a still moderately hot 76.8°F (24.9°C). Weather in August »

The first month of the autumn, September, is also an agreeable month in Lewis, New York, with average temperature varying between 48.9°F (9.4°C) and 69.3°F (20.7°C). In Lewis, the average high-temperature slightly decreases, from a moderately hot 76.8°F (24.9°C) in August, to an agreeable 69.3°F (20.7°C). Weather in September »

October, the same as September, is a cool autumn month in Lewis, New York, with average temperature varying between 39.7°F (4.3°C) and 54.9°F (12.7°C). In October, the average high-temperature declines considerably, from an agreeable 69.3°F (20.7°C) in September, to a fresh 54.9°F (12.7°C). Weather in October »

November, the last month of the autumn, in Lewis, is another cold month, with average temperature varying between 28.6°F (-1.9°C) and 41.5°F (5.3°C). In November, the average high-temperature decreases, from a fresh 54.9°F (12.7°C) in October, to a wintry 41.5°F (5.3°C). Weather in November »

The first month of the winter, December, is also a subzero cold month in Lewis, New York, with average temperature ranging between max 30.6°F (-0.8°C) and min 19.9°F (-6.7°C). In Lewis, the average high-temperature drops, from a cold 41.5°F (5.3°C) in November, to a subzero cold 30.6°F (-0.8°C). Weather in December »

What is the coldest month in Lewis?

The coldest month in Lewis, New York, is January, with an average high-temperature of 24.8°F (-4°C) and an average low-temperature of 12.4°F (-10.9°C).

What are the most humid months in Lewis?

January and February, with an average relative humidity of 86%, are most humid months in Lewis, New York.

How much does it rain in Lewis?

Throughout the year, in Lewis, there are 176.9 rainfall days, and 28.27" (718mm) of precipitation is accumulated.

When does it snow in Lewis?

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

How much does it snow in Lewis?

In Lewis, during the entire year, snow falls for 85.1 days, and aggregates up to 43.03" (1093mm) of snow.

When is the lowest UV index in Lewis?

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

What is the snowiest month in Lewis?

The month with the most snowfall in Lewis, New York, is February when snow falls for 19.3 days and typically aggregates up to 12.05" (306mm) of snow.

What is the month with the least sunshine in Lewis?

With an average of 3.6h of sunshine, February has the least sunshine of the year in Lewis, New York.

What is the least humid month in Lewis?

With an average relative humidity of 75%, May is the least humid month.

What is the month with the highest UV index in Lewis?

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

What is the rainiest month in Lewis?

The month with the most rainfall in Lewis, New York, is June when the rain falls for 17.4 days and typically aggregates up to 3.19" (81mm) of precipitation.

When it does not snow in Lewis?

June through September are months without snowfall.

When are the longest days in Lewis?

June has the longest days of the year, with an average of 15.5h of daylight.

What is the warmest month in Lewis?

July is the warmest month in Lewis, New York, with an average high-temperature of 78.6°F (25.9°C) and an average low-temperature of 56.8°F (13.8°C).

What month has the most sunshine in Lewis?

With an average of 10.4h of sunshine, July has the most sunshine of the year in Lewis, New York.

What is the driest month in Lewis?

September is the month with the least rainfall. Rain falls for 11.1 days and accumulates 1.65" (42mm) of precipitation.

What is the month with the shortest days in Lewis?

December has the shortest days of the year, with an average of 8.9h of daylight.
Average temperature - Lewis, NY
Average humidity - Lewis, NY
Average rainfall - Lewis, NY

The wettest month (with the highest rainfall) is June (3.19").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days - Lewis, NY

The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is February (10.4 days).

Average snowfall - Lewis, NY
Average snowfall days - Lewis, NY

The month with the highest number of snowfall days is January (19.9 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Lewis, NY

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.9h).

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 3.6h).