St. Peters weather in March: St. Peters, Missouri: normal highs, lows, rain and records for March
St. Peters in March has a normal high of 56°F and a normal low of 33°F, a daily mean of 44°F, rising from 50°F on the 1st to 61°F by the 31st. Measurable precipitation falls on 11 days in a normal March, 3.46 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 13°C and low of 1°C, 88 mm of precipitation and 4 cm of snow in March.
- NOAA stationSt Peters (2 mi SE)
- Station IDUSC00237475
- Location38.77°N 90.59°W
- Elevation575 ft (175 m)
- From the center1 miles
- Population61,398
- Jan 39° 21°
- Feb 45° 25°
- Mar 56° 33°
- Apr 67° 43°
- May 76° 54°
- Jun 84° 63°
- Jul 88° 68°
- Aug 87° 65°
- Sep 81° 57°
- Oct 69° 45°
- Nov 55° 35°
- Dec 44° 27°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is St. Peters in March?
The normal high is 56°F and the normal low 33°F, for a daily mean of 44.4°F. March is 9.6°F warmer than February and 10.9°F cooler than April. March is the 9th warmest month of the year in St. Peters and the 7th wettest. Across the month the normal high rises 11°F, from 50°F on March 1 to 61°F on March 31. From one year to the next March's mean temperature typically moves about 4.7°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 40°F and 49°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 36%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| March 1 | 50°F | 29°F | 32% | 20% |
| March 8 | 53°F | 31°F | 33% | 21% |
| March 15 | 55°F | 33°F | 34% | 22% |
| March 22 | 58°F | 35°F | 35% | 22% |
| March 31 | 61°F | 38°F | 36% | 23% |
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 | 50°F | 29°F | 32% | 20% | 11 h 20 min |
| March 2 | 50°F | 29°F | 32% | 20% | 11 h 20 min |
| March 3 | 51°F | 30°F | 32% | 20% | 11 h 20 min |
| March 4 | 51°F | 30°F | 33% | 21% | 11 h 30 min |
| March 5 | 51°F | 30°F | 33% | 21% | 11 h 30 min |
| March 6 | 52°F | 30°F | 33% | 21% | 11 h 30 min |
| March 7 | 52°F | 31°F | 33% | 21% | 11 h 30 min |
| March 8 | 53°F | 31°F | 33% | 21% | 11 h 40 min |
| March 9 | 53°F | 31°F | 33% | 21% | 11 h 40 min |
| March 10 | 53°F | 32°F | 34% | 22% | 11 h 40 min |
| March 11 | 54°F | 32°F | 34% | 22% | 11 h 40 min |
| March 12 | 54°F | 32°F | 34% | 22% | 11 h 50 min |
| March 13 | 54°F | 32°F | 34% | 22% | 11 h 50 min |
| March 14 | 55°F | 33°F | 34% | 22% | 11 h 50 min |
| March 15 | 55°F | 33°F | 34% | 22% | 11 h 50 min |
| March 16 | 55°F | 33°F | 34% | 22% | 12 h |
| March 17 | 56°F | 34°F | 35% | 22% | 12 h |
| March 18 | 56°F | 34°F | 35% | 22% | 12 h |
| March 19 | 57°F | 34°F | 35% | 22% | 12 h |
| March 20 | 57°F | 34°F | 35% | 22% | 12 h 10 min |
| March 21 | 57°F | 35°F | 35% | 22% | 12 h 10 min |
| March 22 | 58°F | 35°F | 35% | 22% | 12 h 10 min |
| March 23 | 58°F | 35°F | 35% | 23% | 12 h 10 min |
| March 24 | 59°F | 36°F | 35% | 23% | 12 h 20 min |
| March 25 | 59°F | 36°F | 35% | 23% | 12 h 20 min |
| March 26 | 59°F | 36°F | 35% | 23% | 12 h 20 min |
| March 27 | 60°F | 37°F | 35% | 23% | 12 h 20 min |
| March 28 | 60°F | 37°F | 35% | 23% | 12 h 30 min |
| March 29 | 61°F | 37°F | 36% | 23% | 12 h 30 min |
| March 30 | 61°F | 38°F | 36% | 23% | 12 h 30 min |
| March 31 | 61°F | 38°F | 36% | 23% | 12 h 30 min |
- Normal high
- 56°FMarch average
- Normal low
- 33°FMarch average
- Precipitation
- 3.46 inmonth total
- Days with precipitation
- 110.01 inch or more
- Snowfall
- 1.5 inmonth total
- Nights at 32°F or colder
- 15
- Daylight
- 11 h 20 min to 12 h 30 minMarch 1 to March 31
- Days at 70°F or more
- 5
- Days at 80°F or more
- 2
- Sunshine
- 67%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00237475; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in St. Peters in March?
On a given March day the chance of 0.01 inch or more is 34% on average, highest around March 29 (36%). In all, 3.46 in falls on 11 days of a normal March, 1 of them with an inch or more.
In a normal March in St. Peters, 15 nights fall to freezing, 1 days stay below freezing all day and snowfall averages 1.5 inches.
Snow falls on 1 day in a normal March, and an inch or more covers the ground on 1 day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00237475.
How does March in St. Peters compare across Missouri?
Across the 134 places PlainClimate covers in Missouri, March normal highs run from 50°F in Memphis to 61°F in Eminence; St. Peters's is 56°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.