January weather - Winter 2024

Weather in January
Frequently asked questions
Average temperature in January
Average pressure in January
Average wind speed in January
Average humidity in January
Average rainfall in January
Average rainfall days in January
Average snowfall in January
Average snowfall days in January
Average daylight in January
Average sunshine in January
Average sunshine days in January
Average UV index in January
Average cloud cover in January
Average visibility in January

The crossroads near a large lit temple in Rexburg, Idaho, with a view of the rest of the city and a colorful, cloudy sunset sky on the horizon

Weather in January

Rexburg weather marks the start of the year with the coldest temperatures compared to any other month. January finds the city in a icy embrace with average high and low temperatures of 27.5°F (-2.5°C) and 12.7°F (-10.7°C) respectively. With the city still in the middle of winter, residents witness nearly half the daylight hours getting concealed by over 53% cloud cover. High humidity levels of 91% coupled with drizzling rain results in a snowfall that covers January's landscape for most days of the month. However, with February around the corner, conditions are slightly improving.

Temperature

Rexburg starts January with an average high-temperature of a still freezing cold 27.5°F (-2.5°C), a minor shift from December's 26.6°F (-3°C). Rexburg, in January, witnesses an average low-temperature of 12.7°F (-10.7°C).

Humidity

January is the most humid month in Rexburg, with an average relative humidity of 91%.

Rainfall

In January, the rain falls for 6.9 days. Throughout January, 1.1" (28mm) of precipitation is accumulated. Throughout the year, in Rexburg, there are 120.3 rainfall days, and 11.02" (280mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. January is the month with the most snowfall. Snow falls for 18.1 days and accumulates 8.9" (226mm) of snow.

Daylight

In Rexburg, the average length of the day in January is 9h and 22min.
On the first day of the month, sunrise is at 8:01 am and sunset at 5:00 pm. On the last day of January, sunrise is at 7:45 am and sunset at 5:35 pm MST.

Sunshine

January has the least sunshine of the year, with an average of 4.5h of sunshine.

UV index

The months with the lowest UV index in Rexburg are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In January, a regular UV index of 1 translates into these guidelines:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.

[Resources]

Frequently asked questions

How cold is it in Rexburg in January?

During January, Rexburg experiences an average high-temperature of 27.5°F (-2.5°C) and a low-temperature of 12.7°F (-10.7°C).

What is the most humid month in Rexburg?

With an average relative humidity of 91%, January is the most humid month in Rexburg.

What is the average humidity in January in Rexburg?

In Rexburg, Idaho, the average relative humidity in January is 91%.

How much does it rain in Rexburg in January?

In January, in Rexburg, the rain falls for 6.9 days. Throughout January, 1.1" (28mm) of precipitation is accumulated.

What is the snowiest month in Rexburg?

The month with the most snowfall in Rexburg is January, when snow falls for 18.1 days and typically aggregates up to 8.9" (226mm) of snow.

How much does it snow in Rexburg in January?

In Rexburg, Idaho, during January, snow falls for 18.1 days and regularly aggregates up to 8.9" (226mm) of snow.

How many hours of daylight does Rexburg have in January?

In Rexburg, Idaho, the average day length in January is 9h and 22min.

What time are sunrise and sunset in January in Rexburg?

In January, on the first day of the month, sunrise is at 8:01 am and sunset at 5:00 pm. On the last day of the month, in Rexburg, sunrise is at 7:45 am and sunset at 5:35 pm MST.

What is the month with the least sunshine in Rexburg?

January has the least sunshine of the year in Rexburg, with an average of 4.5h of sunshine.

How many hours of sunshine does Rexburg have in January?

In January, the average sunshine duration is 4.5h.

When is the lowest UV index in Rexburg?

The months with the lowest UV index in Rexburg are January and December, with an average maximum UV index of 1.

How high is the UV index in January in Rexburg?

In January, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

26.6°F -3°C

27.5°F -2.5°C

29.8°F -1.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

4.9mph 7.9km/h

5.9mph 9.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

11.4

12.7

8.8

Average UV index

Average cloud cover

50%

53%

Average visibility

4mi 6.4km

Average temperature in January
Rexburg, ID

Average high temperature in January: 27.5°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is December (26.6°F).

Average low temperature in January: 12.7°F

The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).

[Resources]

Average pressure in January
Rexburg, ID

Average pressure in January: 30.29"Hg

The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

[Resources]

Average wind speed in January
Rexburg, ID

Average wind speed in January: 4.3mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).

[Resources]

Average humidity in January
Rexburg, ID

Average humidity in January: 91%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (38%).

[Resources]

Average rainfall in January
Rexburg, ID

Average rainfall in January: 1.1"

The wettest months (with the highest rainfall) are April and May (1.26").
The driest month (with the least rainfall) is July (0.39").

[Resources]

Average rainfall days in January
Rexburg, ID

Average rainfall days in January: 6.9 days

The month with the highest number of rainy days is April (14.9 days).
The month with the least rainy days is July (6.3 days).

[Resources]

Average snowfall in January
Rexburg, ID

Average snowfall in January: 8.9"

The month with the highest snowfall is January (8.9").
The months with the least snowfall are June, July and August (0").

[Resources]

Average snowfall days in January
Rexburg, ID

Average snowfall days in January: 18.1 days

The months with the highest number of snowfall days are January and February (18.1 days).
The months with the least snowfall days are July and August (0 days).

[Resources]

Average daylight in January /
Average sunshine in January
Rexburg, ID

Average daylight in January: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

Average sunshine in January: 4h and 3min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

[Resources]

Average sunshine days in January
Rexburg, ID

Average sunshine days in January: 12.7 days

The month with the most sunshine days is July (20.6 days).
The month with the least sunshine days is February (8.8 days).

[Resources]

Average UV index in January
Rexburg, ID

Average UV index in January: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

[Resources]

Average cloud cover in January
Rexburg, ID

Average cloud cover in January: 53

The months with the most cloud cover are January and February (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 11).

[Resources]

Average visibility in January
Rexburg, ID

Average visibility in January: 4mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).

[Resources]

January weather forecast
Rexburg, ID

Contents