Grand Canyon National Park
Arizona, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Grand Canyon National Park, AZ

A stunning aerial panorama on the famed Horseshoe bend at the iconic Grand Canyon National Park
A stunning aerial panorama on the famed Horseshoe bend at the iconic Grand Canyon National Park
January is the coldest and snowiest month of the year in Grand Canyon with the average low temperature of a frigid 16°F (-8.9°C) at the Rims and 36°F (2.2°C) around the canyon region.
Popular attractions such as the Phantom Ranch offer milder temperatures of 55°F (12.8°C) during winter days as the sun marks its presence for at least 8 hours. Rain is meager like the rest of the year and registers 1.1" (27.9mm) in January.
Backcountry permits are readily available during the winter when the crowds are thin, and the lodging is more economical. Beware - winter storms frequently sweep the region and make the conditions cold and icy!

What are the coldest months in Grand Canyon National Park?

The coldest months are January and December, with an average high-temperature of 55°F (12.8°C).

What is the temperature in January in Grand Canyon National Park?

The average high-temperature, in January, in Grand Canyon National Park, is 55°F (12.8°C), while the average low-temperature is 35.1°F (1.7°C).

How many days does it rain in January in Grand Canyon National Park?

In January, in Grand Canyon National Park, the rain falls for 4 days. Throughout January, 1.1" (27.4mm) of precipitation is accumulated.

What is the last month it snows in Grand Canyon National Park?

January is the last month it regularly snows. Throughout January, Grand Canyon National Park aggregates 0.1" (3.8mm) of snow.

What is the snowiest month in Grand Canyon National Park?

January is the month with the most snowfall in Grand Canyon National Park, Arizona, with 0.1" (3.8mm) of accumulated snow.

How many hours of daylight does Grand Canyon National Park have in January?

In January, the average length of the day in Grand Canyon National Park, Arizona, is 10h.

What is the month with the least sunshine in Grand Canyon National Park?

Months with the least sunshine are January and December, with an average of 7h of sunshine.

How long on average sun shines in January in Grand Canyon National Park?

In Grand Canyon National Park, Arizona, the average sunshine in January is 7h.

How high is the UV index in January in Grand Canyon National Park?

In Grand Canyon National Park, Arizona, the average daily maximum UV index in January is 3. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to the Sun's UV rays.
Average temperature in January - Grand Canyon National Park, AZ
  • Average high temperature in January: 55°F

The warmest month (with the highest average high temperature) is July (104°F).
Months with the lowest average high temperature are January and December (55°F).

  • Average low temperature in January: 35°F

The month with the highest average low temperature is July (74°F).
The coldest month (with the lowest average low temperature) is January (35°F).

Average rainfall in January - Grand Canyon National Park, AZ
  • Average rainfall in January: 1.1"

The wettest month (with the highest rainfall) is August (1.5").
The driest month (with the lowest rainfall) is June (0.2").

Average rainfall days in January - Grand Canyon National Park, AZ
  • Average rainfall days in January: 4 days

The month with the highest number of rainy days is August (5 days).
Months with the lowest number of rainy days are May and June (1 days).

Average snowfall in January - Grand Canyon National Park, AZ
  • Average snowfall in January: 0.1"

Months with the highest snowfall are January and December (0.1").
Months with the lowest snowfall are February, March, April, May, June, July, August, September, October and November (0").

Average daylight in January / Average sunshine in January - Grand Canyon National Park, AZ
  • Average daylight in January: 10h

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).

  • Average sunshine in January: 7h

The month with most sunshine is June (Average sunshine: 13h).
Months with least sunshine are January and December (Average sunshine: 7).

Average UV index in January - Grand Canyon National Park, AZ
  • Average UV index in January: 3

Months with the highest UV index are June and July (UV index 11).
The month with the lowest UV index is December (UV index 2).