January weather forecast and climate
New Haven, NY

January, like December, is a freezing cold winter month in New Haven, New York, with average temperature ranging between min 18°F (-7.8°C) and max 27.9°F (-2.3°C).

Temperature

January is the coldest month, with an average high-temperature of 27.9°F (-2.3°C) and an average low-temperature of 18°F (-7.8°C).

Humidity

Months with the highest humidity in New Haven, New York, are January and February, with an average relative humidity of 86%.

Rainfall

In January, the rain falls for 8.8 days. Throughout January, 3.19" (81mm) of precipitation is accumulated. Throughout the year, in New Haven, there are 171 rainfall days, and 39.21" (996mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in New Haven. The month with the most snowfall is January when snow falls for 18.9 days and typically aggregates up to 8.98" (228mm) of snow.

Daylight

In New Haven, the average length of the day is 9.4h.

Sunshine

The month with the least sunshine in New Haven is January, with an average of 2.4h of sunshine.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in New Haven. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 1 interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. 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 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.

What is the coldest month in New Haven?

The coldest month in New Haven is January, with an average high-temperature of 27.9°F (-2.3°C) and an average low-temperature of 18°F (-7.8°C).

What is the temperature in January in New Haven?

In New Haven, in January, the average high-temperature is 27.9°F (-2.3°C), and the average low-temperature is 18°F (-7.8°C).

What are the most humid months in New Haven?

Months with the highest humidity in New Haven, New York, are January and February, with an average relative humidity of 86%.

What is the average humidity in January in New Haven?

In New Haven, the average relative humidity in January is 86%.

How many days does it rain in January in New Haven?

In New Haven, New York, in January, during 8.8 rainfall days, 3.19" (81mm) of precipitation is typically accumulated.

How much does it snow in New Haven in January?

In New Haven, New York, in January, during 18.9 snowfall days, 8.98" (228mm) of snow is typically accumulated.

When does it snow the most in New Haven?

The month with the most snowfall in New Haven is January when snow falls for 18.9 days and typically aggregates up to 8.98" (228mm) of snow.

What is the average length of the day in January in New Haven?

In January, the average length of the day is 9.4h.

What is the month with the least sunshine in New Haven?

With an average of 2.4h of sunshine, January has the least sunshine of the year.

How long on average sun shines in January in New Haven?

The average sunshine in January in New Haven, New York, is 2.4h.

What are the months with the lowest UV index in New Haven?

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

What is the UV index intensity in January in New Haven?

In January, the average daily maximum UV index in New Haven, New York, is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in January - New Haven, NY
  • Average high temperature in January: -2.3°C

The warmest month (with the highest average high temperature) is July (24°C).
The month with the lowest average high temperature is January (-2.3°C).

  • Average low temperature in January: -7.8°C

The month with the highest average low temperature is July (16.8°C).
The coldest month (with the lowest average low temperature) is January (-7.8°C).

Average pressure in January - New Haven, NY
  • Average pressure in January: 1017.3mbar

The month with the highest atmospheric pressure is November (1018.7mbar).
The month with the lowest atmospheric pressure is June (1013mbar).

Average wind speed in January - New Haven, NY
  • Average wind speed in January: 19.2km/h

The windiest month (with the highest average wind speed) is January (19.2km/h).
The calmest month (with the lowest average wind speed) is July (11km/h).

Average humidity in January - New Haven, NY
  • Average humidity in January: 86%

Months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is September (77%).

Average rainfall in January - New Haven, NY
  • Average rainfall in January: 81mm

The wettest month (with the highest rainfall) is October (102mm).
The driest month (with the least rainfall) is September (60mm).

Average rainfall days in January - New Haven, NY
  • Average rainfall days in January: 8.8 days

The month with the highest number of rainy days is October (19.1 days).
The month with the least rainy days is February (7.8 days).

Average snowfall in January - New Haven, NY
  • Average snowfall in January: 228mm

The month with the highest snowfall is January (228mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in January - New Haven, NY
  • Average snowfall days in January: 18.9 days

The month with the highest number of snowfall days is January (18.9 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January / Average sunshine in January - New Haven, NY
  • Average daylight in January: 9.4h

The month with the longest days is June (Average daylight: 15.4h).
The month with the shortest days is December (Average daylight: 9h).

  • Average sunshine in January: 2.4h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is January (Average sunshine: 2.4h).

Average sunshine days in January - New Haven, NY
  • Average sunshine days in January: 6.3 days

The month with the most sunshine days is September (14 days).
The month with the least sunshine days is January (6.3 days).

Average UV index in January - New Haven, NY
  • Average UV index in January: 1

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

Average cloud cover in January - New Haven, NY
  • Average cloud cover in January: 77

The month with the most cloud cover is January (Cloud cover 77).
Months with the least cloud cover are July and August (Cloud cover 30).

Average visibility in January - New Haven, NY
  • Average visibility in January: 8km

Months with the highest visibility are April, May, June, July, August, September, October and November (9km).
Months with the lowest visibility are January, February, March and December (8km).