January weather forecast
Ennis, MT

Weather in January

January, the same as December, in Ennis, Montana, is another subzero cold winter month, with average temperature varying between 9.7°F (-12.4°C) and 24.6°F (-4.1°C).

Temperature

In January, the average high-temperature is almost the same as in December - a still subzero cold 24.6°F (-4.1°C). The average low-temperature, in Ennis, is 9.7°F (-12.4°C).

Humidity

In January, the average relative humidity is 89%.

Rainfall

In Ennis, in January, it is raining for 3.3 days, with typically 0.79" (20mm) of accumulated precipitation. In Ennis, during the entire year, the rain falls for 105.7 days and collects up to 17.99" (457mm) of precipitation.

Snowfall

Months with snowfall in Ennis are January through December. In January, in Ennis, it is snowing for 15.5 days. Throughout January, 6.69" (170mm) of snow is accumulated. Throughout the year, there are 136.1 snowfall days, and 86.93" (2208mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9.2h.

Sunshine

January has the least sunshine of the year, with an average of 4.7h of sunshine.

UV index

Months with the lowest UV index in Ennis are January and February, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from the exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 1 transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in January in Ennis?

The average relative humidity in January in Ennis is 89%.

How much does it rain in Ennis in January?

In Ennis, during January, the rain falls for 3.3 days and regularly aggregates up to 0.79" (20mm) of precipitation.

How much does it snow in Ennis in January?

In Ennis, Montana, during January, snow falls for 15.5 days and regularly aggregates up to 6.69" (170mm) of snow.

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

The average length of the day in January in Ennis is 9.2h.

What is the month with the least sunshine in Ennis?

The month with the least sunshine in Ennis, Montana, is January, with an average of 4.7h of sunshine.

How many hours of sunshine does Ennis have in January?

In January, the average sunshine in Ennis is 4.7h.

When is the lowest UV index in Ennis?

Months with the lowest UV index are January and February, with an average maximum UV index of 1.

What is the UV index intensity in January in Ennis?

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 the UV radiation.

Average temperature in January
Ennis, MT

Average temperature in January - Ennis, MT
  • Average high temperature in January: 24.6°F

The warmest month (with the highest average high temperature) is July (74.5°F).
The month with the lowest average high temperature is December (22.3°F).

  • Average low temperature in January: 9.7°F

The month with the highest average low temperature is August (46°F).
The coldest month (with the lowest average low temperature) is December (7.7°F).

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Average pressure in January
Ennis, MT

Average pressure in January - Ennis, MT
  • Average pressure in January: 30.22"

The month with the highest atmospheric pressure is January (30.22").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in January
Ennis, MT

Average wind speed in January - Ennis, MT
  • Average wind speed in January: 7.1mph

The windiest month (with the highest average wind speed) is January (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in January
Ennis, MT

Average humidity in January - Ennis, MT
  • Average humidity in January: 89%

The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is August (50%).

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Average rainfall in January
Ennis, MT

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

The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is December (0.75").

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Average rainfall days in January
Ennis, MT

Average rainfall days in January - Ennis, MT
  • Average rainfall days in January: 3.3 days

The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is November (2.9 days).

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Average snowfall in January
Ennis, MT

Average snowfall in January - Ennis, MT
  • Average snowfall in January: 6.69"

The month with the highest snowfall is April (14.76").
The month with the least snowfall is August (0.08").

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Average snowfall days in January
Ennis, MT

Average snowfall days in January - Ennis, MT
  • Average snowfall days in January: 15.5 days

The month with the highest number of snowfall days is April (19.9 days).
The month with the least snowfall days is August (0.3 days).

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

Average daylight in January / Average sunshine in January - Ennis, MT
  • Average daylight in January: 9.2h

The month with the longest days is June (Average daylight: 15.6h).
The month with the shortest days is December (Average daylight: 8.8h).

  • Average sunshine in January: 4.7h

The month with the most sunshine is July (Average sunshine: 11.6h).
The month with the least sunshine is January (Average sunshine: 4.7h).

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Average sunshine days in January
Ennis, MT

Average sunshine days in January - Ennis, MT
  • Average sunshine days in January: 16.3 days

The month with the most sunshine days is January (16.3 days).
The month with the least sunshine days is April (6.9 days).

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Average UV index in January
Ennis, MT

Average UV index in January - Ennis, MT
  • Average UV index in January: 1

The month with the highest UV index is July (UV index 5).
Months with the lowest UV index are January and February (UV index 1).

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Average cloud cover in January
Ennis, MT

Average cloud cover in January - Ennis, MT
  • Average cloud cover in January: 55

The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 17).

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Average visibility in January
Ennis, MT

Average visibility in January - Ennis, MT
  • Average visibility in January: 4mi

Months with the highest visibility are June, July, August, September and October (6mi).
Months with the lowest visibility are January, February and December (4mi).

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