March weather forecastGrand Canyon National Park, AZ

March
Weather in March
March marks the onset of warmer weather in Grand Canyon National Park. With a further increase in temperature ranging up to 71°F (21.7°C), this month offers a mix of mild and warm days. A respite from heavy precipitation, the rainfall averages to 0.9" (23mm). This is an ideal time for outdoor activities with intensified UV index indicating abundant sunshine. As spring starts to bloom, it brings longer days and increased daylight hours.Temperature
The commencement of March sees a shift in the average high-temperature, moving from a refreshing 62.1°F (16.7°C) in February to a pleasant 71.1°F (21.7°C). Grand Canyon National Park receives a consistent average low-temperature of 45°F (7.2°C) in March, a substantial dip from the day's heat.Rainfall
In March, in Grand Canyon National Park, the rain falls for 4 days. Throughout March, 0.87" (22mm) of precipitation is accumulated. Throughout the year, in Grand Canyon National Park, there are 33 rainfall days, and 9.69" (246mm) of precipitation is accumulated.Snowfall
In Grand Canyon National Park, snow does not fall in February through November.Daylight
In Grand Canyon National Park, the average length of the day in March is 11h and 59min.On the first day of the month, sunrise is at 6:57 am and sunset at 6:23 pm. On the last day of March, in Grand Canyon National Park, sunrise is at 6:14 am and sunset at 6:49 pm MST.
Sunshine
In Grand Canyon National Park, the average sunshine in March is 9h.UV index
In March, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 6 in March interprets into the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Grand Canyon National Park, AZ
- Average high temperature in March: 71°F
The warmest month (with the highest average high temperature) is July (104°F).
The months with the lowest average high temperature are January and December (55°F).
- Average low temperature in March: 45°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 March
Grand Canyon National Park, AZ
- Average rainfall in March: 0.9"
The wettest month (with the highest rainfall) is August (1.5").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in March
Grand Canyon National Park, AZ
- Average rainfall days in March: 4 days
The month with the highest number of rainy days is August (5 days).
The months with the least rainy days are May and June (1 days).
Average snowfall in March
Grand Canyon National Park, AZ
- Average snowfall in March: 0"
The months with the highest snowfall are January and December (0.1").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average daylight in March /
Average sunshine in March
Grand Canyon National Park, AZ
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in March: 9h
The month with the most sunshine is June (Average sunshine: 13h).
The months with the least sunshine are January and December (Average sunshine: 7h).
Average UV index in March
Grand Canyon National Park, AZ
- Average UV index in March: 6
The 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).





