January weather forecast
Loudon, NH

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Weather in January

Occupying the heart of winter, January's weather in Loudon, New Hampshire can be characterized by its low temperatures, frequent snowfall, and overall chill. The highest and lowest temperatures see a tight range between 14.9°F (-9.5°C) to 27.7°F (-2.4°C). Weather patterns transition smoothly into February with mild variations still largely maintaining winter conditions. The month is laden with overcast days, creating an ambiance of a classic, tranquil winter month. Skies tend to be cloudy, which alongside the cool temperatures, mutes the sun's brilliance, contributing to shorter daylight hours.

Temperature

In Loudon, January is the coldest month, with temperatures averaging a high of 27.7°F (-2.4°C) and a low of 14.9°F (-9.5°C).

Humidity

In January, the average relative humidity in Loudon is 84%.

Rainfall

In Loudon, in January, it is raining for 6.8 days, with typically 1.97" (50mm) of accumulated precipitation. Throughout the year, there are 138.6 rainfall days, and 27.24" (692mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Loudon. In January, in Loudon, it is snowing for 11 days. Throughout January, 7.28" (185mm) of snow is accumulated. Throughout the year, there are 48.2 snowfall days, and 30.71" (780mm) of snow is accumulated.

Daylight

In January, the average length of the day in Loudon is 9h and 25min.
On the first day of the month, sunrise is at 7:18 am and sunset at 4:20 pm. On the last day of January, sunrise is at 7:02 am and sunset at 4:55 pm EST.

Sunshine

In January, the average sunshine is 4.9h.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index, 2 during January, leads to the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Frequently asked questions

What part of the year is the coldest in Loudon?

January is Loudon's coldest month, registering average high temperatures of 27.7°F (-2.4°C) and lows of 14.9°F (-9.5°C).

How cold is it in Loudon in January?

In Loudon, in January, the average high-temperature is 27.7°F (-2.4°C), and the average low-temperature is 14.9°F (-9.5°C).

What is the average humidity in January in Loudon?

In January, the average relative humidity is 84%.

How much does it rain in Loudon in January?

In Loudon, New Hampshire, in January, during 6.8 rainfall days, 1.97" (50mm) of precipitation is typically accumulated.

How many days does it snow in January in Loudon?

In Loudon, during January, snow falls for 11 days and regularly aggregates up to 7.28" (185mm) of snow.

How many hours of daylight does Loudon have in January?

In Loudon, New Hampshire, the average day length in January is 9h and 25min.

When are sunrise and sunset in January in Loudon?

In January, on the first day of the month, sunrise is at 7:18 am and sunset at 4:20 pm. On the last day of the month, in Loudon, New Hampshire, sunrise is at 7:02 am and sunset at 4:55 pm EST.

How many hours of sunshine does Loudon have in January?

In January, the average sunshine duration in Loudon is 4.9h.

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

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Loudon, New Hampshire.

What is the UV index intensity in January in Loudon?

In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
33.1°F 0.6°C
27.7°F -2.4°C
30.4°F -0.9°C
Average low temperature
22.8°F -5.1°C
14.9°F -9.5°C
15.6°F -9.1°C
Average pressure
30.03" 763mmHg
30.01" 762mmHg
29.99" 762mmHg
Average wind speed
7mph 11.3km/h
7.5mph 12.1km/h
7.3mph 11.7km/h
Average max. wind speed
7.6mph 12.2km/h
8.1mph 13km/h
8mph 12.9km/h
Average wind speed gusts
11.3mph 18.2km/h
12.2mph 19.6km/h
11.9mph 19.2km/h
Average humidity
81%
84%
85%
Average rainfall
2.68" 68mm
1.97" 50mm
2.01" 51mm
Average rainfall days
9.5
6.8
8.1
Average snowfall
6.22" 158mm
7.28" 185mm
7.36" 187mm
Average snowfall days
8.7
11
10.8
Average daylight
9h 0min
9h 2min
10h 3min
Average sunshine
4h 4min
4h 5min
4h 2min
Average sunshine days
15.5
15.8
13.3
Average UV index
2
2
2
Average cloud cover
49%
47%
51%
Average visibility
5mi 8km
5mi 8km
5mi 8km

Average temperature in January
Loudon, NH

Average temperature in January - Loudon, NH
  • Average high temperature in January: 27.7°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in January: 14.9°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).

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Average pressure in January
Loudon, NH

Average pressure in January - Loudon, NH
  • Average pressure in January: 30.01"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
Loudon, NH

Average wind speed in January - Loudon, NH
  • Average wind speed in January: 7.5mph

The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in January
Loudon, NH

Average humidity in January - Loudon, NH
  • Average humidity in January: 84%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in January
Loudon, NH

Average rainfall in January - Loudon, NH
  • Average rainfall in January: 1.97"

The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is September (1.57").

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Average rainfall days in January
Loudon, NH

Average rainfall days in January - Loudon, NH
  • Average rainfall days in January: 6.8 days

The month with the highest number of rainy days is April (15.2 days).
The month with the least rainy days is January (6.8 days).

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Average snowfall in January
Loudon, NH

Average snowfall in January - Loudon, NH
  • Average snowfall in January: 7.28"

The month with the highest snowfall is February (7.36").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Loudon, NH

Average snowfall days in January - Loudon, NH
  • Average snowfall days in January: 11 days

The month with the highest number of snowfall days is January (11 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
Loudon, NH

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in January: 4h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

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Average sunshine days in January
Loudon, NH

Average sunshine days in January - Loudon, NH
  • Average sunshine days in January: 15.8 days

The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is April (12.4 days).

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Average UV index in January
Loudon, NH

Average UV index in January - Loudon, NH
  • Average UV index in January: 2

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in January
Loudon, NH

Average cloud cover in January - Loudon, NH
  • Average cloud cover in January: 47

The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in January
Loudon, NH

Average visibility in January - Loudon, NH
  • Average visibility in January: 5mi

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

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Loudon, New Hampshire, USA

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