Climateby Month

Fort Collins, CO weather in March

NOAA 1991-2020 normals and daily records · Fort Collins all year

March in Fort Collins: cool, with some rain and some snow. Highs 56°F, lows 29°F, rain or snow on about 6 days and about 9.4 in of snow.

Normal high
56°F
Normal low
29°F
Wet days
6
1.3 in total
Snowfall
9.4 in
snow on the ground 4 days

How March changes from start to finish

Normal values at the start and end of March
March 1March 31
Normal high51°F61°F
Normal low24°F32°F
Chance of a wet day18%23%
Sunrise / sunset6:34 am / 5:51 pm6:45 am / 7:23 pm
Daylight11.3 h12.6 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Mountain Time).

A typical March day

  1. 6 am32°Fdew point 20°F
  2. 9 am42°Fdew point 21°F
  3. Noon50°Fdew point 20°F
  4. 3 pm53°Fdew point 19°F
  5. 6 pm46°Fdew point 21°F
  6. 9 pm39°Fdew point 22°F

NOAA hourly normals (local standard time) from Denver Intl Airport (57 mi away); average wind 11 mph; clear or few clouds in 64% of daytime hours, mostly cloudy or overcast in 30%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F9 of 31
  • Hot dayshigh 90°F or more0 of 31
  • Muggy daysdaily mean dew point 65°F or more0 of 31
  • Wet daysat least 0.01 in of rain or melted snow6 of 31
  • Notable rainat least 0.10 in3 of 31
  • Freezing nightslow 32°F or below22 of 31
  • Snow on the groundsnow depth 1 in or more4 of 31

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

Rain and snow in March

Normal precipitation is 1.3 in; a dry March brings about 0.5 in and a wet one about 1.5 in (25th and 75th percentiles). About 1 day brings half an inch or more. Normal snowfall is 9.4 in, with about 2 days of an inch or more.

How March varies from year to year

  • Warmest March, 1991-20202012: average high 67°F
  • Coolest March2019: average high 49°F
  • Wettest March2003: 5.8 in
  • Driest March2012: no measurable precipitation
  • Highest reading81°F (March 26, 2012)
  • Lowest reading-9°F (March 4, 2019)

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 high47°F56°F63°F
Normal low21°F29°F35°F
Wet days569
Comfortable days2914
Daylight10.7 h12.0 h13.3 h

Highs change by +9°F from February and +7°F into April.

Nearby alternatives in March

How Fort Collins ranks in March

  • Normal high220th warmest of 378 cities; 6th of 17 in Colorado
  • Wet days69th driest of 378
  • Comfortable days176th most of 339

What to pack for Fort Collins in March

  • A warm jacket – lows near 29°F, highs near 56°F
  • Layers – afternoons near 56°F but nights near 29°F
  • Waterproof boots – about 9.4 in of snow in a typical year
  • A hat and gloves – about 22 freezing nights

Heating and cooling

March has 699 heating degree days and 0 cooling degree days (base 65°F), 11% of the year's total heating and cooling demand.

Questions

How cold is Fort Collins in March?

The normal high is 56°F and the normal low is 29°F. From 1991 to 2020 the coldest March reading was -9°F (March 4, 2019).

Does it rain a lot in Fort Collins in March?

About 6 days in March have at least 0.01 in of precipitation, and the normal total is 1.3 in. The wettest March in 1991-2020 was in 2003 (5.8 in); the driest was in 2012, with no measurable precipitation.

Does it snow in Fort Collins in March?

Yes. Normal snowfall in March is 9.4 in, and snow covers the ground on about 4 days.

Is March a good time to visit Fort Collins?

March ranks 6th of 12 months on our comfort score for Fort Collins (59 out of 100). It has about 9 comfortable days. The best month is May.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth and frost dates: Ft Collins (USC00053005), 0.6 mi S of the city center, 5,004 ft . NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour: Denver Intl Airport (USW00003017), 57 mi SSE of the city center, 5,414 ft (410 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Cloud cover: Cheyenne (USW00024018), 42 mi NNE of the city center, 6,128 ft (1,124 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Denver International Airport (725650-03017), 56 mi SSE of the city center, 5,404 ft (400 ft higher than the city). Hourly observations, 1991-2020.