January weather forecast
Watertown, NY

Weather in January

January, the same as December, in Watertown, New York, is a freezing cold winter month, with an average temperature fluctuating between 14.4°F (-9.8°C) and 26.1°F (-3.3°C).

Temperature

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

Humidity

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

Rainfall

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

Snowfall

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

Daylight

The average length of the day in January is 9h and 20min.
On the first day of January in Watertown, sunrise is at 7:38 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:12 pm EST.

Sunshine

The months with the least sunshine in Watertown 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 value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.
Note: In January, the average maximum UV index of 1 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Watertown?

January is the coldest month in Watertown, New York, with an average high-temperature of 26.1°F (-3.3°C) and an average 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, New York, with an average relative humidity of 88%.

What is the average humidity in January in Watertown?

In January, the average relative humidity is 88%.

How many days does it rain in January in Watertown?

In Watertown, during January, the rain falls for 7.7 days and regularly aggregates up to 2.76" (70mm) of precipitation.

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 January?

In Watertown, New York, in January, snow falls for 19.6 days, with typically accumulated 10.47" (266mm) of snow.

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

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

When is the sunrise / sunset in January in Watertown?

In January, on the first day of the month, sunrise is at 7:38 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:12 pm EST.

What is the month with the least sunshine in Watertown?

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

How long on average sun shines in January in Watertown?

In January, the average sunshine duration in Watertown is 2.7h.

What is the month with the lowest UV index in Watertown?

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

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 low health threat from exposure to the Sun's UV radiation.

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 20min

The month with the longest days is June (Average daylight: 15h and 26min).
The month with the shortest days is December (Average daylight: 8h and 58min).

  • Average sunshine in January: 2.7h

The month with the most sunshine is July (Average sunshine: 10.2h).
The months with the least sunshine are January and February (Average sunshine: 2.7).

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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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