Climate and monthly weather forecast
Waterloo, NY

Weather in January

January, like December, is a freezing cold winter month in Waterloo, New York, with an average temperature ranging between max 28.9°F (-1.7°C) and min 18°F (-7.8°C). January is the coldest month, with an average high-temperature of 28.9°F (-1.7°C) and an average low-temperature of 18°F (-7.8°C). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Waterloo, New York, with temperature in the range of an average high of 31.8°F (-0.1°C) and an average low of 19.8°F (-6.8°C). In February, the average high-temperature is essentially the same as in January - a still freezing cold 31.8°F (-0.1°C). Weather in February »

Weather in March

The first month of the spring, March, is a cold month in Waterloo, New York, with an average temperature varying between 26.8°F (-2.9°C) and 40.6°F (4.8°C). In Waterloo, the average high-temperature in March slightly increases from a subzero cold 31.8°F (-0.1°C) in February to a cold 40.6°F (4.8°C). Weather in March »

Weather in April

April in Waterloo, New York, is a cool spring month, with an average temperature varying between 53.4°F (11.9°C) and 37°F (2.8°C). In April, the average high-temperature increases from a cold 40.6°F (4.8°C) in March to a cool 53.4°F (11.9°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Waterloo, New York, with an average temperature ranging between min 47.8°F (8.8°C) and max 66.9°F (19.4°C). In May, the average high-temperature rises from a cool 53.4°F (11.9°C) in April to an enjoyable 66.9°F (19.4°C). Weather in May »

Weather in June

June, the first month of the summer in Waterloo, is a pleasant month, with temperature in the range of an average high of 73.2°F (22.9°C) and an average low of 54.7°F (12.6°C). In Waterloo, the average high-temperature in June slightly increases from an enjoyable 66.9°F (19.4°C) in May to an agreeable 73.2°F (22.9°C). Weather in June »

Weather in July

July is a moderately hot summer month in Waterloo, New York, with temperature in the range of an average high of 79°F (26.1°C) and an average low of 60.3°F (15.7°C). July is the warmest month, with an average high-temperature of 79°F (26.1°C) and an average low-temperature of 60.3°F (15.7°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Waterloo, New York, with an average temperature varying between 58.8°F (14.9°C) and 77.5°F (25.3°C). In August, the average high-temperature is practically the same as in July - a still moderately hot 77.5°F (25.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Waterloo, New York, with an average temperature varying between 71.1°F (21.7°C) and 52.7°F (11.5°C). In September, the average high-temperature marginally drops from a warm 77.5°F (25.3°C) in August to a pleasant 71.1°F (21.7°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Waterloo, New York, with an average temperature varying between 58.6°F (14.8°C) and 44.4°F (6.9°C). In Waterloo, the average high-temperature in October drops from a pleasant 71.1°F (21.7°C) in September to a moderate 58.6°F (14.8°C). Weather in October »

Weather in November

November, the last month of the autumn in Waterloo, is also a frosty month, with an average temperature varying between 45.7°F (7.6°C) and 33.3°F (0.7°C). In Waterloo, the average high-temperature in November decreases from a moderate 58.6°F (14.8°C) in October to a chilly 45.7°F (7.6°C). Weather in November »

Weather in December

December, the first month of the winter in Waterloo, is also a wintry month, with an average temperature varying between 26.1°F (-3.3°C) and 35.1°F (1.7°C). In Waterloo, the average high-temperature in December decreases from a frosty 45.7°F (7.6°C) in November to a cold 35.1°F (1.7°C). Weather in December »
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FAQ

What is the coldest month in Waterloo?

With an average high-temperature of 28.9°F (-1.7°C) and an average low-temperature of 18°F (-7.8°C), January is the coldest month.

What is the driest month in Waterloo?

January is the month with the least rainfall. Rain falls for 7.8 days and accumulates 1.22" (31mm) of precipitation.

How much does it rain in Waterloo?

Throughout the year, there are 163.3 rainfall days, and 22.6" (574mm) of precipitation is accumulated.

When does it snow in Waterloo?

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

How much does it snow in Waterloo?

Throughout the year, there are 73.3 snowfall days, and 20.75" (527mm) of snow is accumulated.

When is the lowest UV index in Waterloo?

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

What is the most humid month in Waterloo?

February is the most humid month in Waterloo, with an average relative humidity of 86%.

When does it snow the most in Waterloo?

The month with the most snowfall in Waterloo, New York, is February, when snow falls for 16 days and typically aggregates up to 5.12" (130mm) of snow.

What is the month with the least sunshine in Waterloo?

February has the least sunshine of the year, with an average of 2.6h of sunshine.

When is Daylight Saving Time (DST) in Waterloo?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Waterloo, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Waterloo?

The months with the lowest humidity are April and May, with an average relative humidity of 78%.

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

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

When it does not snow in Waterloo?

June through September are months without snowfall in Waterloo.

When are the longest days in Waterloo?

June has the longest days of the year, with an average of 15h and 18min of daylight.

What is the warmest month in Waterloo?

July is the warmest month, with an average high-temperature of 79°F (26.1°C) and an average low-temperature of 60.3°F (15.7°C).

What month has the most sunshine in Waterloo?

The month with the most sunshine in Waterloo, New York, is July, with an average of 10.5h of sunshine.

What is the rainiest month in Waterloo?

The month with the most rainfall in Waterloo is October, when the rain falls for 16.5 days and typically aggregates up to 2.6" (66mm) of precipitation.

What is the month with the shortest days in Waterloo?

With an average of 9h and 5min of daylight, December has the shortest days of the year.

Average pressure
Waterloo, NY

Average pressure - Waterloo, NY

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed
Waterloo, NY

Average wind speed - Waterloo, NY

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6mph).

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Average humidity
Waterloo, NY

Average humidity - Waterloo, NY

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and May (78%).

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Average rainfall
Waterloo, NY

Average rainfall - Waterloo, NY

The wettest month (with the highest rainfall) is October (2.6").
The driest month (with the least rainfall) is January (1.22").

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Average rainfall days
Waterloo, NY

Average rainfall days - Waterloo, NY

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is February (7.7 days).

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Average snowfall
Waterloo, NY

Average snowfall - Waterloo, NY

The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Waterloo, NY

Average snowfall days - Waterloo, NY

The month with the highest number of snowfall days is January (18.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Waterloo, NY

Average daylight / Average sunshine - Waterloo, NY

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 5min).

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).

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Average sunshine days
Waterloo, NY

Average sunshine days - Waterloo, NY

The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (6.2 days).

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Average UV index
Waterloo, NY

Average UV index - Waterloo, NY

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

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Average visibility
Waterloo, NY

Average visibility - Waterloo, NY

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

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