January weather forecast
Mount Lemmon, AZ

Share
Mount Lemmon Ski Valley from atop the Mount Lemmon, Arizona
Mount Lemmon Ski Valley from atop the Mount Lemmon, Arizona

Weather in January

Monthly weather in Mount Lemmon, Arizona starts off the year with a chilled note. High altitude and location in Southwestern USA characterize January with potential for significant snowfall. Snow blankets the ground, accumulating from 16.5" (419mm), offering an ideal destination for winter sports enthusiasts. Compared to the preceding month of December, January experiences slightly colder temperatures, while in contrast, February will bring a slight upward shift in cold scales. The chill factor and sparse sunlight influence the length of daylight, marking shorter days and long cool nights.

Temperature

In January, the average high-temperature registers at a frosty 49.3°F (9.6°C), nearly identical to December's 50.5°F (10.3°C). January nights present a stark temperature decrease to a subzero cold 22.8°F (-5.1°C).

Rainfall

In Mount Lemmon, in January, during 5 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. In Mount Lemmon, during the entire year, the rain falls for 59 days and collects up to 29.57" (751mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. During January, Mount Lemmon regularly aggregates up to 16.5" (419mm) of snow. In Mount Lemmon, during the entire year, snow aggregates up to 64.92" (1649mm).

Daylight

In Mount Lemmon, the average length of the day in January is 10h and 19min.
On the first day of the month, sunrise is at 7:24 am and sunset at 5:28 pm. On the last day of January, sunrise is at 7:18 am and sunset at 5:55 pm MST.

Sunshine

The months with the least sunshine are January and December, with an average of 7.8h of sunshine.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are January temperatures?

An average high-temperature, in January, in Mount Lemmon, is 49.3°F (9.6°C) and the average low-temperature is 22.8°F (-5.1°C).

How many days does it rain in January?

In Mount Lemmon, during January, the rain falls for 5 days and regularly aggregates up to 3.15" (80mm) of precipitation.

How much does it snow in January?

During January, Mount Lemmon regularly aggregates up to 16.5" (419mm) of snow.

How many hours of daylight does Mount Lemmon have in January?

In January, the average day length is 10h and 19min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:24 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:55 pm MST.

What are the months with the least sunshine?

January and December, with an average of 7.8h of sunshine, are months with the least sunshine.

How long on average sun shines in January?

In Mount Lemmon, the average sunshine duration in January is 7.8h.

Average temperature in January
Mount Lemmon, AZ

Average temperature in January - Mount Lemmon, AZ
  • Average high temperature in January: 49.2°F

The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is February (48.3°F).

  • Average low temperature in January: 22.8°F

The months with the highest average low temperature are July and August (49.8°F).
The coldest month (with the lowest average low temperature) is February (21.8°F).

Average rainfall in January
Mount Lemmon, AZ

Average rainfall in January - Mount Lemmon, AZ
  • Average rainfall in January: 3.2"

The wettest month (with the highest rainfall) is August (7").
The driest month (with the least rainfall) is May (0.3").

Average rainfall days in January
Mount Lemmon, AZ

Average rainfall days in January - Mount Lemmon, AZ
  • Average rainfall days in January: 5 days

The month with the highest number of rainy days is August (11 days).
The months with the least rainy days are May and June (2 days).

Average snowfall in January
Mount Lemmon, AZ

Average snowfall in January - Mount Lemmon, AZ
  • Average snowfall in January: 16.5"

The month with the highest snowfall is February (20.4").
The months with the least snowfall are May, June, July, August and September (0").

Average daylight in January /
Average sunshine in January
Mount Lemmon, AZ

Average daylight in January / Average sunshine in January - Mount Lemmon, AZ
  • Average daylight in January: 10h and 2min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in January: 7h and 5min

The month with the most sunshine is June (Average sunshine: 12h and 24min).
The months with the least sunshine are January and December (Average sunshine: 7h and 48min).

Mount Lemmon, Arizona, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location