Grand Canyon Weather in March

What's the weather like in Grand Canyon (Arizona) in March 2025?

The climate in Grand Canyon during March can be summarized as cool and reasonably dry.

March is in the spring in Grand Canyon and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 14°C (57°F), whilst at night -2°C (29°F) is normal.

Grand Canyon weather averages (imperial / metric)
Daytime temperature	14.1°C 57.4°F
Nightly temperature	-1.5°C 29.3°F
Average temperature	6.3°C 43.3°F
Daily sunshine	9.6 hrs
Avg rainfall	32 mm 1.3 ins
Rainy days	6 days
Sea temperature	12.8°C 55.1°F
Humidity	49%
Windspeed	16.9kph 11 mph

On average March is the 2nd wettest month of the year in Grand Canyon with around 32mm 1.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.6 hours of sunshine per day.

March temperatures in Grand Canyon

Grand Canyon average temperature in March

March rainfall

March hourly sunshine

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Grand Canyon in March 2024.