Climate and monthly weather forecast
Waterloo, NY

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Weather in January

January, like December, is a freezing cold winter month in Waterloo, New York, with temperature in the range of an average low of 18°F (-7.8°C) and an average high of 28.9°F (-1.7°C). January, having an average high-temperature of 28.9°F (-1.7°C) and an average low-temperature of 18°F (-7.8°C), is the coldest month. 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 low of 19.8°F (-6.8°C) and an average high of 31.8°F (-0.1°C). Waterloo experiences a subtle adjustment in high-temperatures to a still freezing cold 31.8°F (-0.1°C) with the onset of February, maintaining near parity with January's 28.9°F (-1.7°C). Weather in February »

Weather in March

The first month of the spring, March, is a cold month in Waterloo, New York, with temperature in the range of an average low of 26.8°F (-2.9°C) and an average high of 40.6°F (4.8°C). With the beginning of March, Waterloo's average high-temperature sees a minor increase, transitioning from a freezing cold 31.8°F (-0.1°C) in February to an icy 40.6°F (4.8°C). Weather in March »

Weather in April

April in Waterloo, New York, is a fresh spring month, with an average temperature ranging between max 53.4°F (11.9°C) and min 37°F (2.8°C). The beginning of April marks a shift in the average high-temperature, moving from March's cold 40.6°F (4.8°C) to a fresh 53.4°F (11.9°C). Weather in April »

Weather in May

May, the last month of the spring in Waterloo, is a refreshing month, with an average temperature fluctuating between 47.8°F (8.8°C) and 66.9°F (19.4°C). In Waterloo, the onset of May comes with an increased average high-temperature, moving from April's cool 53.4°F (11.9°C) to a comfortable 66.9°F (19.4°C). Weather in May »

Weather in June

June, the first month of the summer in Waterloo, is an agreeable month, with an average temperature ranging between min 54.7°F (12.6°C) and max 73.2°F (22.9°C). The shift from May to June introduces a subtle increase in the average high-temperature, moving from an enjoyable 66.9°F (19.4°C) to an agreeable 73.2°F (22.9°C). Weather in June »

Weather in July

July in Waterloo, New York, is a warm summer month, with an average temperature fluctuating between 79°F (26.1°C) and 60.3°F (15.7°C). July stands out as Waterloo's warmest month, with temperatures ranging between an average high of 79°F (26.1°C) and a low of 60.3°F (15.7°C). Weather in July »

Weather in August

August, the last month of the summer in Waterloo, is another warm month, with an average temperature fluctuating between 58.8°F (14.9°C) and 77.5°F (25.3°C). Waterloo ushers in August with an average high-temperature of a still warm 77.5°F (25.3°C), showing a close resemblance to the previous month. Weather in August »

Weather in September

September, the first month of the autumn in Waterloo, is still a pleasant month, with an average temperature fluctuating between 52.7°F (11.5°C) and 71.1°F (21.7°C). September witnesses a gentle descent in average high-temperature, descending from August's warm 77.5°F (25.3°C) to a pleasant 71.1°F (21.7°C). Weather in September »

Weather in October

October, like September, is another refreshing autumn month in Waterloo, New York, with temperature in the range of an average high of 58.6°F (14.8°C) and an average low of 44.4°F (6.9°C). Waterloo's transition into October involves a shift in temperature, receding from a pleasant 71.1°F (21.7°C) in September to a refreshing 58.6°F (14.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Waterloo, New York, with an average temperature fluctuating between 45.7°F (7.6°C) and 33.3°F (0.7°C). The onset of November results in a decrease in the average high-temperature, receding 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

The first month of the winter, December, is still a cold month in Waterloo, New York, with an average temperature varying between 26.1°F (-3.3°C) and 35.1°F (1.7°C). December comes with a decrease in the average high-temperature, falling from a chilly 45.7°F (7.6°C) in November to a wintry 35.1°F (1.7°C). Weather in December »
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year in Waterloo?

January is the coldest month of the year in Waterloo, New York, registering average temperatures as high as 28.9°F (-1.7°C) and as low as 18°F (-7.8°C).

What is the driest month in Waterloo?

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

How many days does it rain in Waterloo?

In Waterloo, during the entire year, the rain falls for 163.3 days and collects up to 22.6" (574mm) of precipitation.

When does it snow in Waterloo?

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

How many days does it snow in Waterloo?

In Waterloo, during the entire year, snow falls for 73.3 days and aggregates up to 20.75" (527mm) of snow.

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

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

What is the most humid month in Waterloo?

The most humid month is February, with an average relative humidity of 86%.

When does it snow the most in Waterloo?

February is the month with the most snowfall in Waterloo. Snow falls for 16 days and accumulates 5.12" (130mm) of snow.

What is the month with the least sunshine in Waterloo?

The month with the least sunshine is February, with an average of 2.6h of sunshine.

When is Daylight Saving Time (DST) in Waterloo?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What are the least humid months in Waterloo?

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

What is the month 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 in Waterloo.

When it does not snow in Waterloo?

June through September are months without snowfall.

When are the longest days in Waterloo?

The month with the longest days is June, with an average of 15h and 18min of daylight.

What are the warmest months in Waterloo?

In Waterloo, New York, the peak temperatures are generally noted in July, averaging a high of 79°F (26.1°C) and a low of 60.3°F (15.7°C).

What month has the most sunshine in Waterloo?

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

What is the rainiest month in Waterloo?

The month with the most rainfall 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 6min of daylight, December has the shortest days of the year.

Average temperature
Waterloo, NY

Average temperature - Waterloo, NY

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (28.9°F).

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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).

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).

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%).

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").

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).

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").

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).

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 6min).

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).

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).

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).

Average cloud cover
Waterloo, NY

Average cloud cover - Waterloo, NY

The months with the most cloud cover are January and February (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 32).

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).

Waterloo, New York, USA

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