January weather forecast
Alder, MT

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Weather in January

January, like December, is another subzero cold winter month in Alder, Montana, with an average temperature fluctuating between 13.6°F (-10.2°C) and 28.8°F (-1.8°C).

Temperature

January's advent presents an average high-temperature of a still subzero cold 28.8°F (-1.8°C), indicating a slight variation from the conditions of the previous month. Throughout the nights in January, Alder experiences an average low-temperature of 13.6°F (-10.2°C).

Humidity

With an average relative humidity of 85%, January is the most humid month in Alder, Montana.

Rainfall

The month with the least rainfall in Alder is January, when the rain falls for 11.7 days and typically collects 0.59" (15mm) of precipitation.

Snowfall

Months with snowfall in Alder, Montana, are January through April, October through December. In January, in Alder, it is snowing for 4.5 days. Throughout January, 0.75" (19mm) of snow is accumulated. Throughout the year, there are 20.8 snowfall days, and 5.12" (130mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 13min.
On the first day of the month, sunrise is at 8:07 am and sunset at 4:56 pm. On the last day of January, in Alder, sunrise is at 7:50 am and sunset at 5:33 pm MST.

Sunshine

The average sunshine in January in Alder is 6.2h.

UV index

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Alder. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Alder in January?

In Alder, in January, the average high-temperature is 28.8°F (-1.8°C), and the average low-temperature is 13.6°F (-10.2°C).

What is the most humid month in Alder?

The most humid month in Alder, Montana, is January, with an average relative humidity of 85%.

What is the average humidity in January in Alder?

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

What is the driest month in Alder?

January is the month with the least rainfall in Alder, Montana. Rain falls for 11.7 days and accumulates 0.59" (15mm) of precipitation.

How much does it rain in Alder in January?

In January, the rain falls for 11.7 days. Throughout January, 0.59" (15mm) of precipitation is accumulated.

How many days does it snow in January in Alder?

In Alder, Montana, in January, during 4.5 snowfall days, 0.75" (19mm) of snow is typically accumulated.

How many hours of daylight does Alder have in January?

In Alder, the average day length in January is 9h and 13min.

When is the sunrise / sunset in January in Alder?

On the first day of January in Alder, sunrise is at 8:07 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:33 pm MST.

How many hours of sunshine does Alder have in January?

In January, the average sunshine duration in Alder, Montana, is 6.2h.

When is the lowest UV index in Alder?

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index intensity in January in Alder?

The average daily maximum UV index in January in Alder, Montana, is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's 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
Alder, MT

Average temperature in January - Alder, MT
  • Average high temperature in January: 28.8°F

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is December (26.4°F).

  • Average low temperature in January: 13.6°F

The month with the highest average low temperature is July (47.7°F).
The coldest month (with the lowest average low temperature) is December (11.3°F).

Average pressure in January
Alder, MT

Average pressure in January - Alder, MT
  • Average pressure in January: 30.23"Hg

The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in January
Alder, MT

Average wind speed in January - Alder, MT
  • Average wind speed in January: 6.2mph

The windiest month (with the highest average wind speed) is November (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in January
Alder, MT

Average humidity in January - Alder, MT
  • Average humidity in January: 85%

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are July and August (46%).

Average rainfall in January
Alder, MT

Average rainfall in January - Alder, MT
  • Average rainfall in January: 0.59"

The wettest month (with the highest rainfall) is May (1.85").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in January
Alder, MT

Average rainfall days in January - Alder, MT
  • Average rainfall days in January: 11.7 days

The month with the highest number of rainy days is April (18.6 days).
The month with the least rainy days is August (8.6 days).

Average snowfall in January
Alder, MT

Average snowfall in January - Alder, MT
  • Average snowfall in January: 0.75"

The month with the highest snowfall is February (1.81").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Alder, MT

Average snowfall days in January - Alder, MT
  • Average snowfall days in January: 4.5 days

The month with the highest number of snowfall days is February (6.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Alder, MT

Average daylight in January / Average sunshine in January - Alder, MT
  • Average daylight in January: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in January: 6h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

Average sunshine days in January
Alder, MT

Average sunshine days in January - Alder, MT
  • Average sunshine days in January: 14.8 days

The month with the most sunshine days is July (17.8 days).
The month with the least sunshine days is April (7.8 days).

Average UV index in January
Alder, MT

Average UV index in January - Alder, MT
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

Average cloud cover in January
Alder, MT

Average cloud cover in January - Alder, MT
  • Average cloud cover in January: 38

The month with the most cloud cover is February (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 14).

Average visibility in January
Alder, MT

Average visibility in January - Alder, MT
  • Average visibility in January: 5mi

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

Alder, Montana, USA

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