January weather forecast
Bath, NH

Share

Weather in January

January, like December, is a freezing cold winter month in Bath, New Hampshire, with temperature in the range of an average low of 9.9°F (-12.3°C) and an average high of 21.9°F (-5.6°C).

Temperature

January, recording an average high temperature of 21.9°F (-5.6°C) and a low temperature of 9.9°F (-12.3°C), is Bath's coldest month.

Humidity

January and February, with an average relative humidity of 89%, are the most humid months.

Rainfall

In Bath, New Hampshire, during January, the rain falls for 6.2 days and regularly aggregates up to 0.83" (21mm) of precipitation. Throughout the year, there are 121.7 rainfall days, and 10.83" (275mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Bath are January through May, October through December. The month with the most snowfall is January, when snow falls for 20.4 days and typically aggregates up to 3.98" (101mm) of snow.

Daylight

In January, the average length of the day is 9h and 19min.
On the first day of January, sunrise is at 7:23 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 4:55 pm EST.

Sunshine

In January, the average sunshine in Bath is 3.2h.

UV index

January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.
Note: In January, a daily maximum UV index of 1 leads to the following instructions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month in Bath?

January is the month that records the lowest temperatures in Bath, with averages ranging from a high of 21.9°F (-5.6°C) to a low of 9.9°F (-12.3°C).

How cold is January in Bath?

The average high-temperature, in January, in Bath, is 21.9°F (-5.6°C), while the average low-temperature is 9.9°F (-12.3°C).

What are the most humid months in Bath?

January and February, with an average relative humidity of 89%, are most humid months in Bath, New Hampshire.

What is the average humidity in January in Bath?

In January, the average relative humidity is 89%.

How much does it rain in Bath in January?

In Bath, in January, it is raining for 6.2 days, with typically 0.83" (21mm) of accumulated precipitation.

When does it snow the most in Bath?

The month with the most snowfall in Bath, New Hampshire, is January, when snow falls for 20.4 days and typically aggregates up to 3.98" (101mm) of snow.

How much does it snow in Bath in January?

In Bath, New Hampshire, during January, snow falls for 20.4 days and regularly aggregates up to 3.98" (101mm) of snow.

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

In Bath, the average day length in January is 9h and 19min.

What time are sunrise and sunset in January in Bath?

On the first day of January, sunrise is at 7:23 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 4:55 pm EST.

How many hours of sunshine does Bath have in January?

The average sunshine duration in January in Bath is 3.2h.

When is the lowest UV index in Bath?

The months with the lowest UV index in Bath are January, February and December, with an average maximum UV index of 1.

What is the UV index intensity in January in Bath?

In January, the average daily maximum UV index is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to 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
Bath, NH

Average temperature in January - Bath, NH
  • Average high temperature in January: 21.9°F

The warmest month (with the highest average high temperature) is July (75°F).
The month with the lowest average high temperature is January (21.9°F).

  • Average low temperature in January: 9.9°F

The month with the highest average low temperature is July (55°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).

Average pressure in January
Bath, NH

Average pressure in January - Bath, NH
  • Average pressure in January: 30.01"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in January
Bath, NH

Average wind speed in January - Bath, NH
  • Average wind speed in January: 6.4mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in January
Bath, NH

Average humidity in January - Bath, NH
  • Average humidity in January: 89%

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (77%).

Average rainfall in January
Bath, NH

Average rainfall in January - Bath, NH
  • Average rainfall in January: 0.83"

The wettest months (with the highest rainfall) are June and July (1.18").
The driest months (with the least rainfall) are February and March (0.67").

Average rainfall days in January
Bath, NH

Average rainfall days in January - Bath, NH
  • Average rainfall days in January: 6.2 days

The month with the highest number of rainy days is June (13.9 days).
The month with the least rainy days is January (6.2 days).

Average snowfall in January
Bath, NH

Average snowfall in January - Bath, NH
  • Average snowfall in January: 3.98"

The month with the highest snowfall is January (3.98").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Bath, NH

Average snowfall days in January - Bath, NH
  • Average snowfall days in January: 20.4 days

The month with the highest number of snowfall days is January (20.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Bath, NH

Average daylight in January / Average sunshine in January - Bath, NH
  • Average daylight in January: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in January: 3h and 1min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).

Average sunshine days in January
Bath, NH

Average sunshine days in January - Bath, NH
  • Average sunshine days in January: 11.8 days

The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is February (8.5 days).

Average UV index in January
Bath, NH

Average UV index in January - Bath, NH
  • Average UV index in January: 1

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

Average cloud cover in January
Bath, NH

Average cloud cover in January - Bath, NH
  • Average cloud cover in January: 69

The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 40).

Average visibility in January
Bath, NH

Average visibility in January - Bath, NH
  • Average visibility in January: 4mi

The months with the highest visibility are May, June, July and November (5mi).
The months with the lowest visibility are January, February, March, April, August, September, October and December (4mi).

Bath, New Hampshire, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location