Climateby Month

Flagstaff, AZ weather in March

NOAA 1991-2020 normals and daily records · Flagstaff all year

Expect chilly, snowy weather in Flagstaff in March, with highs near 52°F and lows near 24°F. Rain or snow falls on about 7 days. Snowfall averages about 15.6 in. Pack for snow.

Normal high
52°F
Normal low
24°F
Wet days
7
1.9 in total
Snowfall
15.6 in
snow on the ground 6 days

How March changes from start to finish

Normal values at the start and end of March
March 1March 31
Normal high48°F56°F
Normal low22°F26°F
Chance of a wet day25%20%
Sunrise / sunset6:56 am / 6:21 pm6:14 am / 6:46 pm
Daylight11.4 h12.5 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Arizona time (no daylight saving)).

A typical March day

  1. 6 am25°Fdew point 19°F
  2. 9 am41°Fdew point 23°F
  3. Noon50°Fdew point 21°F
  4. 3 pm52°Fdew point 19°F
  5. 6 pm49°Fdew point 19°F
  6. 9 pm35°Fdew point 21°F

NOAA hourly normals (local standard time) from Grand Canyon NP Airport (59 mi away); average wind 7 mph.

What kind of days to expect

  • Comfortable dayshigh 65-80°F (temperature only: no humidity station nearby)2 of 31
  • Hot dayshigh 90°F or more0 of 31
  • Wet daysat least 0.01 in of rain or melted snow7 of 31
  • Notable rainat least 0.10 in4 of 31
  • Freezing nightslow 32°F or below29 of 31
  • Snow on the groundsnow depth 1 in or more6 of 31

Average days per March, counted from daily records for each year 1991-2020.

Rain and snow in March

Normal precipitation is 1.9 in; a dry March brings about 0.7 in and a wet one about 2.9 in (25th and 75th percentiles). About 1 day brings half an inch or more. Normal snowfall is 15.6 in, with about 3 days of an inch or more.

How March varies from year to year

  • Warmest March, 1991-20202004: average high 59°F
  • Coolest March1991: average high 44°F
  • Wettest March1991: 6.0 in
  • Driest March1997: 0.03 in
  • Highest reading73°F (March 17, 2007)
  • Lowest reading-10°F (March 1, 1997)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

March compared with February and April

FebruaryMarchApril
Normal high46°F52°F59°F
Normal low20°F24°F28°F
Wet days875
Comfortable days029
Daylight10.9 h12.0 h13.1 h

Highs change by +6°F from February and +7°F into April.

Nearby alternatives in March

How Flagstaff ranks in March

  • Normal high251st warmest of 378 cities; 13th of 13 in Arizona
  • Wet days93rd driest of 378

What to pack for Flagstaff in March

  • A warm jacket – lows near 24°F, highs near 52°F
  • Layers – afternoons near 52°F but nights near 24°F
  • Waterproof boots – about 15.6 in of snow in a typical year
  • A hat and gloves – about 29 freezing nights

Heating and cooling

March has 837 heating degree days and 0 cooling degree days (base 65°F), 12% of the year's total heating and cooling demand.

Questions

How cold is Flagstaff in March?

The normal high is 52°F and the normal low is 24°F. From 1991 to 2020 the coldest March reading was -10°F (March 1, 1997).

Does it rain a lot in Flagstaff in March?

About 7 days in March have at least 0.01 in of precipitation, and the normal total is 1.9 in. The wettest March in 1991-2020 was in 1991 (6.0 in); the driest was in 1997 (0.03 in).

Does it snow in Flagstaff in March?

Yes. Normal snowfall in March is 15.6 in, and snow covers the ground on about 6 days.

Is March a good time to visit Flagstaff?

March ranks 8th of 12 months on our comfort score for Flagstaff (49 out of 100). It has about 2 comfortable days (judged by temperature only). The best months are May and September.

Where the numbers come from

  • Temperature, rain, snowfall and frost dates: Flagstaff Pulliam Airport (USW00003103), 3.8 mi SSW of the city center, 7,003 ft (103 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Snow depth: Sunset Crater Nm (USC00028329), 13 mi NNE of the city center, 6,980 ft (80 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour: Grand Canyon NP Airport (USW00003195), 59 mi NNW of the city center, 6,606 ft (294 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Not available for this location: cloud cover and daily humidity and wind (no station close enough or similar enough in elevation).