January weather forecast
Miles City, MT

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Weather in January

The weather in Miles City, Montana in January is characterized by some of the coldest temperatures of the year, with low temperatures averaging 15.1°F (-9.4°C), and high temperatures averaging 28.8°F (-1.8°C). January is the month with the highest average relative humidity, which combined with the cold temperatures can make the air feel chillier than it is. Additionally, it is notable that snow is most frequent during this month, leading to frosty landscapes. It is also the darkest month of the year, with the shortest daylight hours. The turn of the year in Miles City, Montana is marked by winter cold and shorter daylight hours, making it a month to be enjoyed indoors.

Temperature

Miles City's temperature records reveal January as the coldest month, marked by average highs of 28.8°F (-1.8°C) and lows of 15.1°F (-9.4°C).

Humidity

With an average relative humidity of 83%, January is the most humid month in Miles City, Montana.

Rainfall

In Miles City, in January, during 3.8 rainfall days, 0.31" (8mm) of precipitation is typically accumulated. In Miles City, Montana, during the entire year, the rain falls for 83.1 days and collects up to 6.81" (173mm) of precipitation.

Snowfall

Months with snowfall in Miles City, Montana, are January through May, October through December. In Miles City, in January, snow falls for 10.1 days, with typically accumulated 1.97" (50mm) of snow. In Miles City, Montana, during the entire year, snow falls for 43.4 days and aggregates up to 9.13" (232mm) of snow.

Daylight

The average length of the day in January is 9h and 5min.
On the first day of the month, sunrise is at 7:46 am and sunset at 4:26 pm. On the last day of January, sunrise is at 7:27 am and sunset at 5:05 pm MST.

Sunshine

January, February and December, with an average of 5.1h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index in Miles City are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
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Frequently asked questions

What are the coldest months in Miles City?

The coldest month in Miles City is January, with an average high-temperature of 28.8°F (-1.8°C) and an average low-temperature of 15.1°F (-9.4°C).

How cold is January in Miles City?

The average high-temperature, in January, in Miles City, is 28.8°F (-1.8°C), while the average low-temperature is 15.1°F (-9.4°C).

What is the most humid month in Miles City?

January is the most humid month in Miles City, Montana, with an average relative humidity of 83%.

What is the average humidity in January in Miles City?

In January, the average relative humidity in Miles City is 83%.

How much does it rain in Miles City in January?

In January, in Miles City, Montana, the rain falls for 3.8 days. Throughout January, 0.31" (8mm) of precipitation is accumulated.

How many days does it snow in January in Miles City?

In Miles City, in January, snow falls for 10.1 days, with typically accumulated 1.97" (50mm) of snow.

How many hours of daylight does Miles City have in January?

In January, the average day length is 9h and 5min.

When are sunrise and sunset in January in Miles City?

In January, on the first day of the month, sunrise is at 7:46 am and sunset at 4:26 pm. On the last day of the month, in Miles City, Montana, sunrise is at 7:27 am and sunset at 5:05 pm MST.

What is the month with the least sunshine in Miles City?

January, February and December, with an average of 5.1h of sunshine, are months with the least sunshine in Miles City.

How many hours of sunshine does Miles City have in January?

In Miles City, the average sunshine duration in January is 5.1h.

What is the month with the lowest UV index in Miles City?

The months with the lowest UV index in Miles City, Montana, are January through March, November and December, with an average maximum UV index of 2.

How high is the UV index in January in Miles City?

In Miles City, Montana, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
28.9°F -1.7°C
28.8°F -1.8°C
29.7°F -1.3°C
Average low temperature
16.3°F -8.7°C
15.1°F -9.4°C
16.2°F -8.8°C
Average pressure
30.13" 765mmHg
30.14" 766mmHg
30.14" 766mmHg
Average wind speed
9.7mph 15.6km/h
10.1mph 16.3km/h
9.3mph 15km/h
Average max. wind speed
10.3mph 16.6km/h
10.8mph 17.4km/h
9.9mph 15.9km/h
Average wind speed gusts
17.3mph 27.8km/h
18.5mph 29.8km/h
15.6mph 25.1km/h
Average humidity
78%
83%
78%
Average rainfall
0.28" 7mm
0.31" 8mm
0.35" 9mm
Average rainfall days
2.6
3.8
4.3
Average snowfall
1.5" 38mm
1.97" 50mm
2.2" 56mm
Average snowfall days
9.2
10.1
9.2
Average daylight
8h 4min
9h 1min
10h 2min
Average sunshine
5h 1min
5h 1min
5h 1min
Average sunshine days
19.9
19.5
16.9
Average UV index
2
2
2
Average cloud cover
46%
45%
46%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Miles City, MT

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

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in January: 15.1°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

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Average pressure in January
Miles City, MT

Average pressure in January - Miles City, MT
  • Average pressure in January: 30.14"Hg

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

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Average wind speed in January
Miles City, MT

Average wind speed in January - Miles City, MT
  • Average wind speed in January: 10.1mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest months (with the lowest average wind speed) are February and August (9.3mph).

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Average humidity in January
Miles City, MT

Average humidity in January - Miles City, MT
  • Average humidity in January: 83%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (39%).

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Average rainfall in January
Miles City, MT

Average rainfall in January - Miles City, MT
  • Average rainfall in January: 0.31"

The wettest month (with the highest rainfall) is May (1.1").
The driest months (with the least rainfall) are November and December (0.28").

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Average rainfall days in January
Miles City, MT

Average rainfall days in January - Miles City, MT
  • Average rainfall days in January: 3.8 days

The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is December (2.6 days).

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Average snowfall in January
Miles City, MT

Average snowfall in January - Miles City, MT
  • Average snowfall in January: 1.97"

The month with the highest snowfall is February (2.2").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Miles City, MT

Average snowfall days in January - Miles City, MT
  • Average snowfall days in January: 10.1 days

The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in January /
Average sunshine in January
Miles City, MT

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

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in January: 5h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).

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Average sunshine days in January
Miles City, MT

Average sunshine days in January - Miles City, MT
  • Average sunshine days in January: 19.5 days

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is April (16.5 days).

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Average UV index in January
Miles City, MT

Average UV index in January - Miles City, MT
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in January
Miles City, MT

Average cloud cover in January - Miles City, MT
  • Average cloud cover in January: 45

The months with the most cloud cover are February and December (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 15).

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Average visibility in January
Miles City, MT

Average visibility in January - Miles City, MT
  • Average visibility in January: 6mi

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

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Miles City, Montana, USA

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