Climateby Month

Dayton, OH weather in March

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

Expect chilly weather with frequent rain and some snow in Dayton in March, with highs near 51°F and lows near 31°F. Rain or snow falls on about 11 days. Snowfall averages about 3.9 in.

Normal high
51°F
Normal low
31°F
Wet days
11
3.5 in total
Snowfall
3.9 in
snow on the ground 2 days

How March changes from start to finish

Normal values at the start and end of March
March 1March 31
Normal high45°F57°F
Normal low26°F35°F
Chance of a wet day36%40%
Sunrise / sunset7:09 am / 6:28 pm7:22 am / 7:59 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 (Eastern Time).

A typical March day

  1. 6 am35°Fdew point 30°F
  2. 9 am39°Fdew point 31°F
  3. Noon46°Fdew point 31°F
  4. 3 pm49°Fdew point 31°F
  5. 6 pm47°Fdew point 31°F
  6. 9 pm42°Fdew point 31°F

NOAA hourly normals (local standard time) from Wright Patterson AFB (9 mi away); average wind 9 mph; clear or few clouds in 28% of daytime hours, mostly cloudy or overcast in 62%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F5 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 snow11 of 31
  • Notable rainat least 0.10 in8 of 31
  • Freezing nightslow 32°F or below18 of 31
  • Snow on the groundsnow depth 1 in or more2 of 31

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

Rain and snow in March

Normal precipitation is 3.5 in; a dry March brings about 2.7 in and a wet one about 4.3 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 3.9 in, with about 1 day of an inch or more.

How March varies from year to year

  • Warmest March, 1991-20202012: average high 67°F
  • Coolest March2013: average high 45°F
  • Wettest March2008: 6.9 in
  • Driest March2001: 0.7 in
  • Highest reading88°F (March 22, 2012)
  • Lowest reading3°F (March 6, 2015)

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 high40°F51°F64°F
Normal low23°F31°F41°F
Wet days101113
Comfortable days1513
Daylight10.7 h12.0 h13.3 h

Highs change by +11°F from February and +13°F into April.

Nearby alternatives in March

How Dayton ranks in March

  • Normal high266th warmest of 378 cities; 3rd of 6 in Ohio
  • Wet days306th driest of 378
  • Comfortable days219th most of 339

What to pack for Dayton in March

  • A warm jacket – lows near 31°F, highs near 51°F
  • A rain jacket or umbrella – rain or snow on about 11 days
  • Waterproof boots – about 3.9 in of snow in a typical year
  • A hat and gloves – about 18 freezing nights

Heating and cooling

March has 757 heating degree days and 2 cooling degree days (base 65°F), 11% of the year's total heating and cooling demand.

Questions

How cold is Dayton in March?

The normal high is 51°F and the normal low is 31°F. From 1991 to 2020 the coldest March reading was 3°F (March 6, 2015).

Does it rain a lot in Dayton in March?

About 11 days in March have at least 0.01 in of precipitation, and the normal total is 3.5 in. The wettest March in 1991-2020 was in 2008 (6.9 in); the driest was in 2001 (0.7 in).

Does it snow in Dayton in March?

Yes. Normal snowfall in March is 3.9 in, and snow covers the ground on about 2 days.

Is March a good time to visit Dayton?

March ranks 8th of 12 months on our comfort score for Dayton (48 out of 100). It has about 5 comfortable days. The best months are April, May and October.

Where the numbers come from

  • Temperature, rain and frost dates: Dayton Mcd (USC00332067), 0.3 mi N of the city center, 720 ft . NOAA normals and daily records, 1991-2020.
  • Snowfall and snow depth: Dayton Intl Airport (USW00093815), 10 mi N of the city center, 1,000 ft (260 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour and cloud cover: Wright Patterson AFB (USW00013840), 9.1 mi NE of the city center, 823 ft (83 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: J.m.cox Dayton International Airport (724290-93815), 10 mi N of the city center, 993 ft (253 ft higher than the city). Hourly observations, 1991-2020.