January weather forecast and climate
Summit, NY

January, like December, is a freezing cold winter month in Summit, New York, with temperature in the range of an average low of 15.3°F (-9.3°C) and an average high of 26.8°F (-2.9°C).

Temperature

January is the coldest month, with an average high-temperature of 26.8°F (-2.9°C) and an average low-temperature of 15.3°F (-9.3°C).

Humidity

In Summit, the average relative humidity in January is 85%.

Rainfall

In Summit, in January, it is raining for 7.8 days, with typically 2.2" (56mm) of accumulated precipitation. In Summit, during the entire year, the rain falls for 165.5 days and collects up to 32.83" (834mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Summit, in January, snow falls for 18.8 days, with typically accumulated 8.62" (219mm) of snow. Throughout the year, in Summit, there are 81.8 snowfall days, and 42.09" (1069mm) of snow is accumulated.

Daylight

In January, the average length of the day in Summit is 9.5h.

Sunshine

The average sunshine in January is 3.5h.

UV index

In Summit, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 2 interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the coldest month in Summit?

With an average high-temperature of 26.8°F (-2.9°C) and an average low-temperature of 15.3°F (-9.3°C), January is the coldest month in Summit.

What is the temperature in January in Summit?

In January, in Summit, the average high-temperature is 26.8°F (-2.9°C), and the average low-temperature is 15.3°F (-9.3°C).

What is the average humidity in January in Summit?

In Summit, New York, the average relative humidity in January is 85%.

How many days does it rain in January in Summit?

In Summit, New York, in January, it is raining for 7.8 days, with typically 2.2" (56mm) of accumulated precipitation.

How many days does it snow in January in Summit?

In Summit, New York, during January, snow falls for 18.8 days and regularly aggregates up to 8.62" (219mm) of snow.

How many hours of daylight does Summit have in January?

In Summit, New York, the average length of the day in January is 9.5h.

How many hours of sunshine does Summit have in January?

The average sunshine in January in Summit is 3.5h.

What is the UV index intensity in January in Summit?

In Summit, New York, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in January - Summit, NY
  • Average high temperature in January: -2.9°C

The warmest month (with the highest average high temperature) is July (25.8°C).
The month with the lowest average high temperature is January (-2.9°C).

  • Average low temperature in January: -9.3°C

The month with the highest average low temperature is July (13.9°C).
The coldest month (with the lowest average low temperature) is January (-9.3°C).

Average pressure in January - Summit, NY
  • Average pressure in January: 1017.5mbar

The month with the highest atmospheric pressure is November (1019.1mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).

Average wind speed in January - Summit, NY
  • Average wind speed in January: 15.1km/h

The windiest month (with the highest average wind speed) is January (15.1km/h).
The calmest month (with the lowest average wind speed) is August (9.2km/h).

Average humidity in January - Summit, NY
  • Average humidity in January: 85%

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

Average rainfall in January - Summit, NY
  • Average rainfall in January: 56mm

The wettest month (with the highest rainfall) is August (85mm).
The driest month (with the least rainfall) is September (54mm).

Average rainfall days in January - Summit, NY
  • Average rainfall days in January: 7.8 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in January - Summit, NY
  • Average snowfall in January: 219mm

The month with the highest snowfall is February (230mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in January - Summit, NY
  • Average snowfall days in January: 18.8 days

The month with the highest number of snowfall days is January (18.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January / Average sunshine in January - Summit, NY
  • Average daylight in January: 9.5h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in January: 3.5h

The month with the most sunshine is July (Average sunshine: 10.1h).
The month with the least sunshine is February (Average sunshine: 3.1h).

Average sunshine days in January - Summit, NY
  • Average sunshine days in January: 7.5 days

The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (6.1 days).

Average UV index in January - Summit, NY
  • Average UV index in January: 2

Months with the highest UV index are May, June, July and August (UV index 5).
Months with the lowest UV index are February, November and December (UV index 1).

Average cloud cover in January - Summit, NY
  • Average cloud cover in January: 66

The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 37).

Average visibility in January - Summit, NY
  • Average visibility in January: 8km

Months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (8km).
The month with the lowest visibility is February (7km).