January weather forecast
Mesa, ID

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Weather in January

January, the same as December, in Mesa, Idaho, is another subzero cold winter month, with an average temperature ranging between max 29.5°F (-1.4°C) and min 14.7°F (-9.6°C).

Temperature

Mesa's January reports an average high-temperature of a still freezing cold 29.5°F (-1.4°C), exhibiting a minor difference from December. In January, Mesa experiences an average nighttime temperature of 14.7°F (-9.6°C).

Humidity

The months with the highest humidity are January and February, with an average relative humidity of 91%.

Rainfall

In January, the rain falls for 4.1 days. Throughout January, 2.83" (72mm) of precipitation is accumulated. In Mesa, during the entire year, the rain falls for 98.1 days and collects up to 22.64" (575mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall. The month with the most snowfall is January, when snow falls for 16.2 days and typically aggregates up to 23.07" (586mm) of snow.

Daylight

In January, the average length of the day is 9h and 17min.
On the first day of the month, sunrise is at 8:22 am and sunset at 5:15 pm. On the last day of January, sunrise is at 8:05 am and sunset at 5:52 pm MST.

Sunshine

January has the least sunshine of the year, with an average of 4.2h of sunshine.

UV index

The months with the lowest UV index are January, February and November, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 1 in January translates into these instructions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. To guard against the harmful effects of the Sun, minimize exposure during midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in January?

In Mesa, in January, the average high-temperature is 29.5°F (-1.4°C), and the average low-temperature is 14.7°F (-9.6°C).

What is the most humid month?

January and February, with an average relative humidity of 91%, are most humid months.

What is the average humidity in January in Mesa?

The average relative humidity in January is 91%.

How much does it rain in January?

In Mesa, in January, it is raining for 4.1 days, with typically 2.83" (72mm) of accumulated precipitation.

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 16.2 days and accumulates 23.07" (586mm) of snow.

How many days does it snow in January?

In Mesa, in January, during 16.2 snowfall days, 23.07" (586mm) of snow is typically accumulated.

How many hours of daylight does Mesa have in January?

The average day length in January is 9h and 17min.

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 8:22 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 5:52 pm MST.

What is the month with the least sunshine in Mesa?

The month with the least sunshine is January, with an average of 4.2h of sunshine.

How long on average sun shines in January?

In January, the average sunshine duration is 4.2h.

What is the month with the lowest UV index?

January, February and November, with an average maximum UV index of 1, are months with the lowest UV index in Mesa.

What is the UV index reading in January in Mesa?

The average daily maximum UV index in January is 1. A UV Index value of 2, and less, symbolizes a low health risk 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
Mesa, ID

Average temperature in January - Mesa, ID
  • Average high temperature in January: 29.5°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (28°F).

  • Average low temperature in January: 14.7°F

The month with the highest average low temperature is August (50°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).

Average pressure in January
Mesa, ID

Average pressure in January - Mesa, ID
  • Average pressure in January: 30.24"Hg

The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in January
Mesa, ID

Average wind speed in January - Mesa, ID
  • Average wind speed in January: 4.2mph

The windiest months (with the highest average wind speed) are March and April (5.3mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).

Average humidity in January
Mesa, ID

Average humidity in January - Mesa, ID
  • Average humidity in January: 91%

The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is August (42%).

Average rainfall in January
Mesa, ID

Average rainfall in January - Mesa, ID
  • Average rainfall in January: 2.83"

The wettest month (with the highest rainfall) is March (3.31").
The driest month (with the least rainfall) is July (0.31").

Average rainfall days in January
Mesa, ID

Average rainfall days in January - Mesa, ID
  • Average rainfall days in January: 4.1 days

The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (4.1 days).

Average snowfall in January
Mesa, ID

Average snowfall in January - Mesa, ID
  • Average snowfall in January: 23.07"

The month with the highest snowfall is January (23.07").
The months with the least snowfall are July and August (0").

Average snowfall days in January
Mesa, ID

Average snowfall days in January - Mesa, ID
  • Average snowfall days in January: 16.2 days

The month with the highest number of snowfall days is March (17 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in January / Average sunshine in January - Mesa, ID
  • Average daylight in January: 9h and 2min

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

  • Average sunshine in January: 4h and 1min

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 12min).

Average sunshine days in January
Mesa, ID

Average sunshine days in January - Mesa, ID
  • Average sunshine days in January: 14.9 days

The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is March (10.1 days).

Average UV index in January
Mesa, ID

Average UV index in January - Mesa, 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, February and November (UV index 1).

Average cloud cover in January
Mesa, ID

Average cloud cover in January - Mesa, ID
  • Average cloud cover in January: 54

The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 10).

Average visibility in January
Mesa, ID

Average visibility in January - Mesa, ID
  • Average visibility in January: 3mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).

Mesa, Idaho, USA

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