Weather on January 21 at Grand Canyon

Grand Canyon National Park

AZSouthwest7,000 ft elevation
Avg High42°F
Avg Low17°F
Warmest197143°F
Coldest202316°F

Based on 56 years of data from Flagstaff, AZ

Elevation Note: Grand Canyon sits at 7,000 ft. Expect temperatures 25°F cooler than the data shown below, which comes from Flagstaff, AZ at a lower elevation.

Planning Your Visit

January 21st in Grand Canyon National Park (via Flagstaff, AZ) typically brings chilly winter weather, with average highs around 42°F and lows near 17°F — a 25°F daily swing. Over 56 years of records, the warmest January 21st was in 1971 (43°F average), while the coldest was 2023 (16°F) — a 27°F range across recorded history. Precipitation has occurred on 34% of recorded January 21st dates, with snow falling 21% of the time (heaviest snowfall: 19.6"). The last decade has been 2.8°F cooler on this date compared to 20-30 years ago.

The last decade has been 2.8°F cooler on this date compared to 20-30 years ago.

Planning for January 21st in Grand Canyon? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella. Check road conditions if traveling, as snow is possible.

Year by Year History

YearHighLowPrecipSnow
202653°F14°F0"0"
202544°F13°F0"0"
202436°F31°F0.18"0"
202336°F-5°F0"0"
202243°F17°F0.03"0.2"
202145°F23°F0.1"0"
202039°F32°F0.08"0"
201937°F26°F0.13"0.5"
201831°F8°F0.03"1"
201730°F15°F0.61"5.7"
201640°F17°F0"0"
201540°F24°F0.1"1.1"
201450°F19°F0"0"
201345°F10°F0"0"
201239°F25°F0.36"0.8"
201150°F14°F0"0"
201038°F29°F8.61"19.6"
200951°F22°F0"0"
200835°F20°F0"0"
200725°F17°F0.13"1.3"
200642°F0°F0"0"
200555°F30°F0"0"
200430°F25°F0.1"--
200351°F28°F0"--
200252°F13°F0"--
200140°F1°F0"0"
200050°F29°F0"--
199940°F26°F0.03"--
199841°F17°F0"--
199739°F14°F0"--
199642°F11°F0"0"
199529°F14°F0.3"2"
199458°F15°F0"0"
199352°F16°F0"0"
199244°F21°F0"0"
199131°F18°F0.2"0.8"
199037°F17°F0"0"
198940°F17°F0"0"
198840°F2°F0"0"
198747°F-6°F0"0"
198651°F21°F0"0"
198546°F19°F0"0"
198441°F3°F0"0"
198339°F8°F0"0"
198229°F19°F3.45"15.6"
198154°F25°F0"0"
198039°F26°F0"0"
197941°F4°F0"0"
197841°F12°F0"0"
197741°F34°F0.38"0"
197644°F25°F0"0"
197545°F20°F0"0"
197441°F21°F0.08"0"
197330°F8°F0.05"0.2"
197250°F21°F0"0"
197153°F32°F0"0"

January 21 at Nearby Parks

Holiday Weather at Grand Canyon

Official NPS WebsiteVisit nps.gov/grca for park information, alerts, and reservations

Explore More at Grand Canyon

See historical weather for other dates

Back to Grand Canyon