January weather forecast
Watertown, NY

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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. Outdoor enthusiasts must prepare for bitter cold, and dress suitably for blustery conditions. Although the month is marked by sporadic bright intervals, frost and snow are the defining elements of Watertown's January weather.

Temperature

Watertown experiences its lowest temperatures in January, with an average peak of 26.1°F (-3.3°C) and a low of 14.4°F (-9.8°C).

Humidity

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

Rainfall

In Watertown, during January, the rain falls for 7.7 days and regularly aggregates up to 2.76" (70mm) of precipitation. Throughout the year, there are 163.9 rainfall days, and 33.19" (843mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Watertown are January through May, October through December. January is the month with the most snowfall. Snow falls for 19.6 days and accumulates 10.47" (266mm) of snow.

Daylight

In January, the average length of the day is 9h and 20min.
On the first day of the month, sunrise is at 7:38 am and sunset at 4:35 pm. On the last day of January, sunrise is at 7:22 am and sunset at 5:11 pm EST.

Sunshine

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

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: The UV index of 1 during January translates into the following guidance:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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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 in Watertown, New York.

How cold is it in Watertown in January?

January temperatures in Watertown, New York, vary between a high-temperature of 26.1°F (-3.3°C) and a low-temperature of 14.4°F (-9.8°C).

What is the most humid month in Watertown?

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

What is the average humidity in January in Watertown?

The average relative humidity in January in Watertown, New York, is 88%.

How much does it rain in Watertown in January?

In Watertown, New York, in January, during 7.7 rainfall days, 2.76" (70mm) of precipitation is typically accumulated.

What is the snowiest month in Watertown?

The month with the most snowfall 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 January?

In January, in Watertown, New York, it is snowing for 19.6 days. Throughout January, 10.47" (266mm) of snow is accumulated.

What is the average length of the day in January in Watertown?

In Watertown, the average day length in January is 9h and 20min.

When are sunrise and sunset in January in Watertown?

In January, on the first day of the month, sunrise is at 7:38 am and sunset at 4:35 pm. On the last day of the month, in Watertown, sunrise is at 7:22 am and sunset at 5:11 pm EST.

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, New York.

How many hours of sunshine does Watertown have in January?

In January, the average sunshine duration is 2.7h.

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.

What is the UV index intensity in January in Watertown?

In January, the average daily maximum UV index in Watertown, New York, is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Watertown, NY

Average temperature in January - Watertown, NY
  • Average high temperature in January: 26.1°F

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).

  • Average low temperature in January: 14.4°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).

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Average pressure in January
Watertown, NY

Average pressure in January - Watertown, NY
  • Average pressure in January: 30.03"Hg

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

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Average wind speed in January
Watertown, NY

Average wind speed in January - Watertown, NY
  • Average wind speed in January: 10.4mph

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).

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Average humidity in January
Watertown, NY

Average humidity in January - Watertown, NY
  • Average humidity in January: 88%

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

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Average rainfall in January
Watertown, NY

Average rainfall in January - Watertown, NY
  • Average rainfall in January: 2.76"

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

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Average rainfall days in January
Watertown, NY

Average rainfall days in January - Watertown, NY
  • Average rainfall days in January: 7.7 days

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).

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Average snowfall in January
Watertown, NY

Average snowfall in January - Watertown, NY
  • Average snowfall in January: 10.47"

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

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Average snowfall days in January
Watertown, NY

Average snowfall days in January - Watertown, NY
  • Average snowfall days in January: 19.6 days

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).

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Average daylight in January /
Average sunshine in January
Watertown, NY

Average daylight in January / Average sunshine in January - Watertown, NY
  • Average daylight in January: 9h and 2min

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).

  • Average sunshine in January: 2h and 4min

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).

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Average sunshine days in January
Watertown, NY

Average sunshine days in January - Watertown, NY
  • Average sunshine days in January: 7.3 days

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

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Average UV index in January
Watertown, NY

Average UV index in January - Watertown, NY
  • Average UV index in January: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in January
Watertown, NY

Average cloud cover in January - Watertown, NY
  • Average cloud cover in January: 74

The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in January
Watertown, NY

Average visibility in January - Watertown, NY
  • Average visibility in January: 4mi

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).

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Watertown, New York, USA

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