Dayton weather in March: Dayton, Ohio: normal highs, lows, rain and records for March
Dayton in March has a normal high of 52°F and a normal low of 33°F, a daily mean of 42°F, rising from 46°F on the 1st to 58°F by the 31st. Measurable precipitation falls on 12 days in a normal March, 3.50 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 11°C and low of 0°C, 89 mm of precipitation and 10 cm of snow in March.
- NOAA stationDayton International Airport
- Station IDUSW00093815
- Location39.91°N 84.22°W
- Elevation1,000 ft (305 m)
- From the center8 miles
- Population136,346
- Jan 37° 22°
- Feb 41° 25°
- Mar 52° 33°
- Apr 65° 43°
- May 74° 54°
- Jun 83° 63°
- Jul 86° 66°
- Aug 85° 64°
- Sep 79° 57°
- Oct 66° 46°
- Nov 53° 35°
- Dec 42° 27°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Dayton in March?
The normal high is 52°F and the normal low 33°F, for a daily mean of 42.1°F. March is 9.3°F warmer than February and 11.6°F cooler than April. March is the 9th warmest month of the year in Dayton and the 5th wettest. Across the month the normal high rises 12°F, from 46°F on March 1 to 58°F on March 31. From one year to the next March's mean temperature typically moves about 4.4°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 38°F and 47°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 42%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| March 1 | 46°F | 28°F | 39% | 21% |
| March 8 | 48°F | 30°F | 39% | 22% |
| March 15 | 51°F | 32°F | 39% | 22% |
| March 22 | 54°F | 34°F | 40% | 24% |
| March 31 | 58°F | 37°F | 42% | 26% |
Every day of March: normal high, low and chance of precipitation (warmest afternoon March 31, coldest night March 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| March 1 | 46°F | 28°F | 39% | 21% | 11 h 20 min |
| March 2 | 46°F | 29°F | 39% | 21% | 11 h 20 min |
| March 3 | 46°F | 29°F | 39% | 21% | 11 h 20 min |
| March 4 | 47°F | 29°F | 39% | 21% | 11 h 20 min |
| March 5 | 47°F | 30°F | 39% | 21% | 11 h 30 min |
| March 6 | 47°F | 30°F | 39% | 21% | 11 h 30 min |
| March 7 | 48°F | 30°F | 39% | 21% | 11 h 30 min |
| March 8 | 48°F | 30°F | 39% | 22% | 11 h 30 min |
| March 9 | 49°F | 31°F | 39% | 22% | 11 h 40 min |
| March 10 | 49°F | 31°F | 39% | 22% | 11 h 40 min |
| March 11 | 49°F | 31°F | 39% | 22% | 11 h 40 min |
| March 12 | 50°F | 32°F | 39% | 22% | 11 h 40 min |
| March 13 | 50°F | 32°F | 39% | 22% | 11 h 50 min |
| March 14 | 51°F | 32°F | 39% | 22% | 11 h 50 min |
| March 15 | 51°F | 32°F | 39% | 22% | 11 h 50 min |
| March 16 | 51°F | 33°F | 39% | 23% | 12 h |
| March 17 | 52°F | 33°F | 40% | 23% | 12 h |
| March 18 | 52°F | 33°F | 40% | 23% | 12 h |
| March 19 | 53°F | 34°F | 40% | 23% | 12 h |
| March 20 | 53°F | 34°F | 40% | 23% | 12 h 10 min |
| March 21 | 54°F | 34°F | 40% | 24% | 12 h 10 min |
| March 22 | 54°F | 34°F | 40% | 24% | 12 h 10 min |
| March 23 | 54°F | 35°F | 40% | 24% | 12 h 10 min |
| March 24 | 55°F | 35°F | 40% | 24% | 12 h 20 min |
| March 25 | 55°F | 35°F | 41% | 24% | 12 h 20 min |
| March 26 | 56°F | 36°F | 41% | 25% | 12 h 20 min |
| March 27 | 56°F | 36°F | 41% | 25% | 12 h 20 min |
| March 28 | 57°F | 36°F | 41% | 25% | 12 h 30 min |
| March 29 | 57°F | 37°F | 41% | 25% | 12 h 30 min |
| March 30 | 58°F | 37°F | 41% | 25% | 12 h 30 min |
| March 31 | 58°F | 37°F | 42% | 26% | 12 h 30 min |
- Normal high
- 52°FMarch average
- Normal low
- 33°FMarch average
- Precipitation
- 3.50 inmonth total
- Days with precipitation
- 120.01 inch or more
- Snowfall
- 3.9 inmonth total
- Nights at 32°F or colder
- 17
- Daylight
- 11 h 20 min to 12 h 30 minMarch 1 to March 31
- Days at 70°F or more
- 2
- Sunshine
- 65%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00093815; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Dayton in March?
On a given March day the chance of 0.01 inch or more is 40% on average, highest around March 31 (42%). In all, 3.50 in falls on 12 days of a normal March, 1 of them with an inch or more.
In a normal March in Dayton, 17 nights fall to freezing, 2 days stay below freezing all day and snowfall averages 3.9 inches.
Snow falls on 3 days in a normal March, and an inch or more covers the ground on 2 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093815.
How humid and windy is Dayton in March?
At 3 p.m. the normal temperature is 54°F with 49% relative humidity and a dew point of 35°F; at 6 a.m. it is 40°F with 75% humidity. The wind averages 10.9 mph, most often from the west-southwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 40°F | 33°F | 75% | 9.5 mph | 44% |
| 9 a.m. | 45°F | 35°F | 67% | 11.7 mph | 33% |
| noon | 51°F | 35°F | 55% | 13.0 mph | 26% |
| 3 p.m. | 54°F | 35°F | 49% | 13.6 mph | – |
| 6 p.m. | 53°F | 35°F | 52% | 12.0 mph | – |
| 9 p.m. | 47°F | 36°F | 64% | 9.4 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00093815. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for March in Dayton?
The warmest March temperature on Dayton's official record (since 1893) is 87°F, on March 24, 1910; the coldest is −7°F, on March 2, 1980. The wettest March brought 8.89 in (1913); the snowiest, 26.9 inches (1906).
The March mean against the 1991-2020 normal of 42.1°F: 2021 46.6°F (+4.5), 2022 45.6°F (+3.5), 2023 42.6°F (+0.5), 2024 47.3°F (+5.2), 2025 47.7°F (+5.6), 2026 49.0°F (+6.9). 6 of 6 ran warmer than normal.
| March | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 46.6°F | +4.5°F | 3.30 in |
| 2022 | 45.6°F | +3.5°F | 4.50 in |
| 2023 | 42.6°F | +0.5°F | 6.72 in |
| 2024 | 47.3°F | +5.2°F | 3.06 in |
| 2025 | 47.7°F | +5.6°F | 3.85 in |
| 2026 | 49.0°F | +6.9°F | 5.96 in |
Source: records: ACIS, NWS threaded record DAYthr; recent months: ACIS, station USW00093815. Records and recent months use complete months only.
How does March in Dayton compare across Ohio?
Across the 99 places PlainClimate covers in Ohio, March normal highs run from 44°F in Chardon to 55°F in Portsmouth; Dayton's is 52°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.