Climate and monthly weather forecast
Watertown, NY

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The climate of Watertown

Nestled in New York, USA, Watertown presents a Dfb Köppen climate classification. This translates to a humid continental climate with no dry season and warm summers. A close inspection of the weather parameters throughout the year reveals a clear pattern.

Temperature swings in Watertown are quite notable. Peaks are observed in July with average highs of 76.6°F (24.8°C). This decreases gradually before spiraling to the lowest average highs during the year, 26.1°F (-3.3°C) in January. On the flip side, the average lows share a similar trend, oscillating from a chilly 14.4°F (-9.8°C) in January to a considerably warming 60.3°F (15.7°C) in July.

Rainfall appears to be a relatively consistent feature throughout the year with a minor peak in October with a significant 3.54" (90mm) falling. Conversely, February and March witness the least amount of rainfall, averaging 2.56" (65mm). Snowfall is mainly experienced between December and March, with January being the snowiest month with a significant 10.47" (266mm) fallen.

The best time to visit Watertown

For those who cherish optimal weather conditions, July emerges as an ideal period to visit Watertown. This month boasts the highest temperature, both day and night, with the mercury hitting an average high of 76.6°F (24.8°C) and a low of 60.3°F (15.7°C). Sunshine duration is also at its zenith, reaching up to 15.1 hours a day. The UV Index remains moderate at 6, promising ample sun without the risk of severe sunburn.

The worst time to visit Watertown

Visitors prone to freezing temperatures and limited sun exposure ought to reconsider a trip to Watertown during January. This month is characterized by frigid temperatures scaling from 26.1°F (-3.3°C) to 14.4°F (-9.8°C) and experiencing only 9.3 hours of daylight. Also, the snowfall reaches its peak during this month, accumulating up to 10.47" (266mm) and consequently causing a restricted visibility of 4 miles.

Spring weather in Watertown

Springtime in Watertown sees fluctuating temperatures, respectively from 37°F (2.8°C) to 50.5°F (10.3°C) for high temps, while low temperatures transition from 25.2°F (-3.8°C) to 35.4°F (1.9°C) throughout March, April and May. Precipitation increases steadily, achieving a peak in May—rains of about 3.07" (78mm) fall, with 16.6 days featuring rainfall. Daylight hours steadily increase throughout the spring, culminating in approximately 14.8 hours of daylight by May.

Summer weather in Watertown

Summertime is distinguished by comparatively warmer conditions, with July representing the hottest month—average high temperatures skyrocket from 63.5°F (17.5°C) to 76.6°F (24.8°C), tumbling to lows between 46.4°F (8°C) and 60.3°F (15.7°C). Despite increased temperatures, July experiences an average rainfall of 2.56" (65mm) and humidity levels oscillate at around 80%.

Autumn weather in Watertown

The fall season in Watertown sees a gradual decline in temperatures. Starting from a high of 69.1°F (20.6°C) in September, temperatures plunge to a chilling 42.8°F (6°C) in November. Correspondingly, the lows drop from 52.9°F (11.6°C) to 32.2°F (0.1°C) in the same period. Rainfall increases gradually over these months, reaching a peak in October with an average of 3.54" (90mm).

Winter weather in Watertown

Winters in Watertown hit hard—the months from December to February see temperatures drop from 32.2°F (0.1°C) to 26.1°F (-3.3°C) for highs, while lows follow suit falling from 23.2°F (-4.9°C) to 14.4°F (-9.8°C). Snow dominates the scene with December and January being particularly snow-laden months, with snowfall averaging 10.47" (266mm) in January. Days also get shorter during this period, with daylight hours hitting a low of 9 hours in December and January.

Weather in January

As Watertown enters the new year, winter conditions intensify, with temperatures seeing a significant drop from December. Snowfall deposits reach their peak with 10.47" (266mm), making sledging and skiing popular activities. Clear skies are hard to come by due to high cloud cover, and daylight hours are at their shortest, marking true winter darkness. Weather in January »

Weather in February

While February retains the chill of January, Watertown experiences a slight increase in temperature. This month's weather is characterized by moderate snowfall and cloud cover, a scenario quite different from the heavy snowfall of January. Weather in February »

Weather in March

With the onset of March, the snowy grip of February gradually eases. Notable is a sharp decrease in snowfall to 5.87" (149mm), signalling the retreat of the long winter. March offers brighter days and increased visibility as the city emerges from the winter's frosty cloak. Weather in March »

Weather in April

In contrast to the dwindling winter of March, April in Watertown is a gateway to warmer weather. The snowfall ceases almost completely with a surprising decline to just 2.05" (52mm). This transition month is a delightful blend of milder temperatures and longer daylight hours. Weather in April »

Weather in May

May signifies the arrival of spring in Watertown. As the temperatures continue to climb, the final remnants of winter snowfall reduce to a measly 0.08" (2mm). The atmosphere becomes vibrant and refreshing, with longer sunshine hours and clear skies. Weather in May »

Weather in June

June brings summertime to Watertown, along with steadier climates. Marking the beginning of the dry season, there is officially no snowfall, a stark contrast to the winter months. Lush greenery flourishes under the increasingly bright sun, with numerous sunny days. Weather in June »

Weather in July

As the heart of summer, July sees Watertown reaching its peak temperatures. This is confirmed by a remarkable rise, culminating in an average high of 76.6°F (24.8°C). The long daylight hours combined with the highest levels of sunshine produce quite hot afternoons. Weather in July »

Weather in August

August maintains the warm trend set by July, although there is a minimal dip in temperatures. Diverse weather patterns comprise of slightly frequent rainfalls, balanced with ample sunshine. While the month doesn't suffer from extreme heat, warm evenings and plentiful sunlight remain consistent features. Weather in August »

Weather in September

September in Watertown embodies the transition from summer warmth to the crispness of autumn. The city witnesses a substantial reduction in average temperature high to 69.1°F (20.6°C), signaling the end of summer. Autumn leaves begin to adorn the city, adding vibrant hues to the landscape. Weather in September »

Weather in October

As October unfolds, the weather in Watertown shifts towards a cooler ambiance. This month is marked by the departure of summer warmth and an increase in rainfall from September to 3.54" (90mm), ushering in the wetter season. Brisk winds sweep across the city causing a noticeable chill in the air. Weather in October »

Weather in November

November adds a wintry touch to the otherwise mild autumn scene in Watertown. Weather patterns transition markedly, with snowfall reappearing, amounting to 5.28" (134mm) after an absence during the warmer months. The colder temperatures give way to frequent frosty mornings, indicating the onset of winter. Weather in November »

Weather in December

With the arrival of December, Watertown plunges into winter, with temperatures dropping significantly from November. Witnessing an increase in snowfall to 9.96" (253mm), the festive season sees the city cloaked in a white blanket of snow. Weather in December »

Frequently asked questions

What part of the year is the coldest in Watertown?

January, noted for its average high-temperature of 26.1°F (-3.3°C) and an average low-temperature of 14.4°F (-9.8°C), is considered the coldest month.

What is the most humid month in Watertown?

January is the most humid month in Watertown, New York, with an average relative humidity of 88%.

How many days does it rain in Watertown?

Throughout the year, there are 163.9 rainfall days, and 33.19" (843mm) of precipitation is accumulated.

When does it snow in Watertown?

January through May, October through December are months with snowfall in Watertown.

What is the snowiest month in Watertown?

The month with the most snowfall in Watertown is January, when snow falls for 19.6 days and typically aggregates up to 10.47" (266mm) of snow.

How much does it snow in Watertown?

In Watertown, during the entire year, snow falls for 84.4 days and aggregates up to 43.58" (1107mm) of snow.

What are the months with the least sunshine in Watertown?

January and February, with an average of 2.7h of sunshine, are months with the least sunshine in Watertown.

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

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

When is Daylight Saving Time (DST) in Watertown?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Watertown, New York, 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 is the least humid month in Watertown?

April and September, with an average relative humidity of 77%, are the least humid months in Watertown, New York.

When it does not snow in Watertown?

In Watertown, snow does not fall in June through September.

When are the longest days in Watertown?

June has the longest days of the year, with an average of 15h and 24min of daylight.

What part of the year is the hottest in Watertown?

In Watertown, July is identified by the average highest temperatures, reaching a peak of 76.6°F (24.8°C) and a low of 60.3°F (15.7°C).

What month has the most sunshine in Watertown?

July has the most sunshine of the year, with an average of 10.2h of sunshine.

When is the highest UV index in Watertown?

With an average maximum UV index of 6, July is the month with the highest UV index in Watertown, New York.

What is the driest month in Watertown?

September is the month with the least rainfall. Rain falls for 13 days and accumulates 1.81" (46mm) of precipitation.

What is the rainiest month in Watertown?

The month with the most rainfall in Watertown, New York, is October, when the rain falls for 17.7 days and typically aggregates up to 3.54" (90mm) of precipitation.

What is the month with the shortest days in Watertown?

With an average of 9h and 0min of daylight, December has the shortest days of the year.

Average temperature
Watertown, NY

Average temperature - Watertown, NY

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (26.1°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 (14.4°F).

Average pressure
Watertown, NY

Average pressure - Watertown, NY

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed
Watertown, NY

Average wind speed - Watertown, NY

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).

Average humidity
Watertown, NY

Average humidity - Watertown, NY

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and September (77%).

Average rainfall
Watertown, NY

Average rainfall - Watertown, NY

The wettest month (with the highest rainfall) is October (3.54").
The driest month (with the least rainfall) is September (1.81").

Average rainfall days
Watertown, NY

Average rainfall days - Watertown, NY

The month with the highest number of rainy days is October (17.7 days).
The month with the least rainy days is February (7 days).

Average snowfall
Watertown, NY

Average snowfall - Watertown, NY

The month with the highest snowfall is January (10.47").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Watertown, NY

Average snowfall days - Watertown, NY

The month with the highest number of snowfall days is January (19.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Watertown, NY

Average daylight / Average sunshine - Watertown, NY

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).

Average sunshine days
Watertown, NY

Average sunshine days - Watertown, NY

The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is February (6.7 days).

Average visibility
Watertown, NY

Average visibility - Watertown, NY

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

Watertown, New York, USA

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