Grand Canyon National Park weather in December

December in Grand Canyon National Park: cold, a little rain, with clean air — a great time to visit.

#7 of 12 months in Grand Canyon National Park · #225 of 604 destinations to visit in December · comfort 75/100 (tier B)

Updated June 2026 · climate normals from ERA5 reanalysis

Grand Canyon National Park climate normals — December

Daytime high12°C / 54°F🧥 cold
Nighttime low3°C / 37°F
Feels like (high)9°C / 48°F
Rainfall38 mm / 1.5 in🌦 some rain
Rainy days6 days
Humidity57%🍃 comfortable
Dew point-2°C / 29°F
Sunshine7.8 h/day
Daylight9.8 h
Wind13 km/h / 8 mph
Snowfall10.8 cm / 4.3 in
Air quality (US AQI)35🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Where is Grand Canyon National Park?

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Grand Canyon National Park in December — FAQ

Is December a good time to visit Grand Canyon National Park?
December in Grand Canyon National Park: cold, a little rain, with clean air — a great time to visit. It ranks #7 of 12 months for Grand Canyon National Park on SeasonMap's comfort score (75/100).
What is the weather like in Grand Canyon National Park in December?
In December, Grand Canyon National Park averages a daily high of 12.2°C and a low of 2.6°C, with about 37.9 mm of rain over roughly 6 rainy days.
What is the air quality in Grand Canyon National Park in December?
Grand Canyon National Park has a mean US Air Quality Index of about 35 in December.
Does it snow in Grand Canyon National Park in December?
Grand Canyon National Park sees roughly 10.8 cm of snowfall in December.

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