January weather forecast
New Haven, IN

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Weather in January

Weather conditions in New Haven, Indiana start the year off with a rather dreary outlook. January’s chill is inescapable with the lowest temperatures descending down to 19.2°F (-7.1°C) and only ascending to a high of 30.7°F (-0.7°C). The dampness is amplified by cold gusts, making the air feel colder than it already is. The snowfall serves as a bright contrast to the overcast skies, making the city’s landscape resemble a snow globe. As the days slowly lengthen, the city nestles under a wintry cover, awaiting the arrival of warmer months.

Temperature

January is the month when New Haven sees the lowest average temperatures, with a high of 30.7°F (-0.7°C) and a low of 19.2°F (-7.1°C).

Humidity

January and February, with an average relative humidity of 84%, are the most humid months.

Rainfall

In January, the rain falls for 7.9 days. Throughout January, 1.42" (36mm) of precipitation is accumulated. Throughout the year, there are 151.9 rainfall days, and 23.39" (594mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in New Haven. In January, it is snowing for 13.3 days. Throughout January, 2.91" (74mm) of snow is accumulated. Throughout the year, there are 50 snowfall days, and 12.68" (322mm) of snow is accumulated.

Daylight

The average length of the day in January in New Haven is 9h and 37min.
On the first day of January, sunrise is at 8:05 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:55 pm EST.

Sunshine

The month with the least sunshine is January, with an average of 3.3h of sunshine.

UV index

In January, the average daily maximum UV index in New Haven is 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index, 2 during January, leads to the following recommendations:
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. Avoiding the Sun during its peak radiation time around midday is a healthy practice. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.

Frequently asked questions

What month is the coldest?

With average temperatures fluctuating between a high of 30.7°F (-0.7°C) and a low of 19.2°F (-7.1°C), January stands out as the coldest month.

How cold is January?

An average high-temperature, in January, in New Haven, is 30.7°F (-0.7°C) and the average low-temperature is 19.2°F (-7.1°C).

What is the most humid month?

January and February, with an average relative humidity of 84%, are most humid months.

What is the average humidity in January?

The average relative humidity in January is 84%.

How many days does it rain in January?

In New Haven, in January, during 7.9 rainfall days, 1.42" (36mm) of precipitation is typically accumulated.

How much does it snow in January?

In New Haven, in January, snow falls for 13.3 days, with typically accumulated 2.91" (74mm) of snow.

What is the average length of the day in January?

The average day length in January is 9h and 37min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 8:05 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:55 pm EST.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 3.3h of sunshine.

How many hours of sunshine does New Haven have in January?

In New Haven, Indiana, the average sunshine duration in January is 3.3h.

How high is the UV index in January?

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
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
New Haven, IN

Average temperature in January - New Haven, IN
  • Average high temperature in January: 30.7°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in January: 19.2°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).

Average pressure in January
New Haven, IN

Average pressure in January - New Haven, IN
  • Average pressure in January: 30.11"Hg

The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in January
New Haven, IN

Average wind speed in January - New Haven, IN
  • Average wind speed in January: 10.5mph

The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).

Average humidity in January
New Haven, IN

Average humidity in January - New Haven, IN
  • Average humidity in January: 84%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (75%).

Average rainfall in January
New Haven, IN

Average rainfall in January - New Haven, IN
  • Average rainfall in January: 1.42"

The wettest month (with the highest rainfall) is April (2.95").
The driest month (with the least rainfall) is February (1.38").

Average rainfall days in January
New Haven, IN

Average rainfall days in January - New Haven, IN
  • Average rainfall days in January: 7.9 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.8 days).

Average snowfall in January
New Haven, IN

Average snowfall in January - New Haven, IN
  • Average snowfall in January: 2.91"

The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
New Haven, IN

Average snowfall days in January - New Haven, IN
  • Average snowfall days in January: 13.3 days

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
New Haven, IN

Average daylight in January / Average sunshine in January - New Haven, IN
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in January: 3h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in January
New Haven, IN

Average sunshine days in January - New Haven, IN
  • Average sunshine days in January: 12 days

The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is February (10.4 days).

Average UV index in January
New Haven, IN

Average UV index in January - New Haven, IN
  • Average UV index in January: 2

The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in January
New Haven, IN

Average cloud cover in January - New Haven, IN
  • Average cloud cover in January: 66

The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 33).

Average visibility in January
New Haven, IN

Average visibility in January - New Haven, IN
  • Average visibility in January: 5mi

The months with the highest visibility are February, March, April, May, June, July, September, October, November and December (6mi).
The months with the lowest visibility are January and August (5mi).

New Haven, Indiana, USA

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