January weather forecast
Geraldine, MT

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Weather in January

January, the same as December, in Geraldine, Montana, is a freezing cold winter month, with an average temperature varying between 18.7°F (-7.4°C) and 30.9°F (-0.6°C).

Temperature

The onset of January notes an average high-temperature of a still subzero cold 30.9°F (-0.6°C), subtly shifted from December's 29.8°F (-1.2°C). January witnesses an average nighttime temperature of 18.7°F (-7.4°C).

Humidity

January is the most humid month, with an average relative humidity of 78%.

Rainfall

In Geraldine, during January, the rain falls for 5.3 days and regularly aggregates up to 0.79" (20mm) of precipitation. Throughout the year, there are 119.1 rainfall days, and 13.43" (341mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall in Geraldine. In Geraldine, during January, snow falls for 11.1 days and regularly aggregates up to 5.28" (134mm) of snow. In Geraldine, during the entire year, snow falls for 58.3 days and aggregates up to 29.37" (746mm) of snow.

Daylight

In Geraldine, the average length of the day in January is 8h and 58min.
On the first day of the month, sunrise is at 8:09 am and sunset at 4:39 pm. On the last day of January, sunrise is at 7:48 am and sunset at 5:20 pm MST.

Sunshine

The months with the least sunshine are January, February and December, with an average of 5.5h of sunshine.

UV index

The months with the lowest UV index in Geraldine 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 minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A typical high UV index of 2 in January suggests the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.

Frequently asked questions

How cold is January?

In January, the average high-temperature and low-temperature are 30.9°F (-0.6°C) and 18.7°F (-7.4°C) respectively.

What is the most humid month?

With an average relative humidity of 78%, January is the most humid month.

What is the average humidity in January?

In January, the average relative humidity is 78%.

How much does it rain in January?

In Geraldine, during January, the rain falls for 5.3 days and regularly aggregates up to 0.79" (20mm) of precipitation.

How many days does it snow in January?

In Geraldine, during January, snow falls for 11.1 days and regularly aggregates up to 5.28" (134mm) of snow.

How many hours of daylight does Geraldine have in January?

In Geraldine, the average day length in January is 8h and 58min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 8:09 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:20 pm MST.

What are the months with the least sunshine?

The months with the least sunshine are January, February and December, with an average of 5.5h of sunshine.

How long on average sun shines in January?

In Geraldine, the average sunshine duration in January is 5.5h.

When is the lowest UV index?

January through March, November and 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 January, the average daily maximum UV index is 2. A UV Index value 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
Geraldine, MT

Average temperature in January - Geraldine, MT
  • Average high temperature in January: 30.9°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is December (29.8°F).

  • Average low temperature in January: 18.7°F

The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is February (18.1°F).

Average pressure in January
Geraldine, MT

Average pressure in January - Geraldine, MT
  • Average pressure in January: 30.13"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in January
Geraldine, MT

Average wind speed in January - Geraldine, MT
  • Average wind speed in January: 10.7mph

The windiest months (with the highest average wind speed) are January and November (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).

Average humidity in January
Geraldine, MT

Average humidity in January - Geraldine, MT
  • Average humidity in January: 78%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (39%).

Average rainfall in January
Geraldine, MT

Average rainfall in January - Geraldine, MT
  • Average rainfall in January: 0.79"

The wettest month (with the highest rainfall) is June (2.05").
The driest month (with the least rainfall) is December (0.67").

Average rainfall days in January
Geraldine, MT

Average rainfall days in January - Geraldine, MT
  • Average rainfall days in January: 5.3 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (5.3 days).

Average snowfall in January
Geraldine, MT

Average snowfall in January - Geraldine, MT
  • Average snowfall in January: 5.28"

The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July and August (0").

Average snowfall days in January
Geraldine, MT

Average snowfall days in January - Geraldine, MT
  • Average snowfall days in January: 11.1 days

The month with the highest number of snowfall days is February (12.2 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in January / Average sunshine in January - Geraldine, MT
  • Average daylight in January: 9h and 0min

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

  • Average sunshine in January: 5h and 3min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 30min).

Average sunshine days in January
Geraldine, MT

Average sunshine days in January - Geraldine, MT
  • Average sunshine days in January: 16.8 days

The month with the most sunshine days is September (19.3 days).
The month with the least sunshine days is April (11.2 days).

Average UV index in January
Geraldine, MT

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

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

Average cloud cover in January
Geraldine, MT

Average cloud cover in January - Geraldine, MT
  • Average cloud cover in January: 42

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 14).

Average visibility in January
Geraldine, MT

Average visibility in January - Geraldine, 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).

Geraldine, Montana, USA

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