Normal weather in March: Normal, Illinois: normal highs, lows, rain and records for March
Normal in March has a normal high of 50°F and a normal low of 28°F, a daily mean of 39°F, rising from 43°F on the 1st to 56°F by the 31st. Measurable precipitation falls on 10 days in a normal March, 2.61 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 10°C and low of −2°C, 66 mm of precipitation and 6 cm of snow in March.
- NOAA stationNormal (4 mi NE)
- Station IDUSC00116200
- Location40.55°N 88.95°W
- Elevation790 ft (241 m)
- Population53,304
- Jan 33° 16°
- Feb 38° 19°
- Mar 50° 28°
- Apr 63° 38°
- May 74° 50°
- Jun 83° 60°
- Jul 86° 63°
- Aug 84° 61°
- Sep 79° 53°
- Oct 66° 42°
- Nov 50° 31°
- Dec 38° 21°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Normal in March?
The normal high is 50°F and the normal low 28°F, for a daily mean of 38.8°F. March is 10.3°F warmer than February and 11.5°F cooler than April. March is the 9th warmest month of the year in Normal and the 9th wettest. Across the month the normal high rises 13°F, from 43°F on March 1 to 56°F on March 31. From one year to the next March's mean temperature typically moves about 4.8°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 34°F and 44°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 35%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| March 1 | 43°F | 23°F | 30% | 19% |
| March 8 | 46°F | 26°F | 31% | 20% |
| March 15 | 49°F | 28°F | 32% | 20% |
| March 22 | 52°F | 30°F | 33% | 21% |
| March 31 | 56°F | 32°F | 35% | 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 | 43°F | 23°F | 30% | 19% | 11 h 10 min |
| March 2 | 44°F | 24°F | 30% | 19% | 11 h 20 min |
| March 3 | 44°F | 24°F | 31% | 19% | 11 h 20 min |
| March 4 | 45°F | 24°F | 31% | 19% | 11 h 20 min |
| March 5 | 45°F | 25°F | 31% | 20% | 11 h 30 min |
| March 6 | 45°F | 25°F | 31% | 20% | 11 h 30 min |
| March 7 | 46°F | 25°F | 31% | 20% | 11 h 30 min |
| March 8 | 46°F | 26°F | 31% | 20% | 11 h 30 min |
| March 9 | 47°F | 26°F | 31% | 20% | 11 h 40 min |
| March 10 | 47°F | 26°F | 31% | 20% | 11 h 40 min |
| March 11 | 48°F | 26°F | 31% | 20% | 11 h 40 min |
| March 12 | 48°F | 27°F | 32% | 20% | 11 h 40 min |
| March 13 | 48°F | 27°F | 32% | 20% | 11 h 50 min |
| March 14 | 49°F | 27°F | 32% | 20% | 11 h 50 min |
| March 15 | 49°F | 28°F | 32% | 20% | 11 h 50 min |
| March 16 | 50°F | 28°F | 32% | 20% | 11 h 50 min |
| March 17 | 50°F | 28°F | 32% | 21% | 12 h |
| March 18 | 51°F | 28°F | 32% | 21% | 12 h |
| March 19 | 51°F | 29°F | 32% | 21% | 12 h |
| March 20 | 52°F | 29°F | 33% | 21% | 12 h 10 min |
| March 21 | 52°F | 29°F | 33% | 21% | 12 h 10 min |
| March 22 | 52°F | 30°F | 33% | 21% | 12 h 10 min |
| March 23 | 53°F | 30°F | 33% | 21% | 12 h 10 min |
| March 24 | 53°F | 30°F | 33% | 22% | 12 h 20 min |
| March 25 | 54°F | 30°F | 34% | 22% | 12 h 20 min |
| March 26 | 54°F | 31°F | 34% | 22% | 12 h 20 min |
| March 27 | 55°F | 31°F | 34% | 22% | 12 h 20 min |
| March 28 | 55°F | 31°F | 34% | 22% | 12 h 30 min |
| March 29 | 56°F | 32°F | 34% | 23% | 12 h 30 min |
| March 30 | 56°F | 32°F | 34% | 23% | 12 h 30 min |
| March 31 | 56°F | 32°F | 35% | 23% | 12 h 40 min |
- Normal high
- 50°FMarch average
- Normal low
- 28°FMarch average
- Precipitation
- 2.61 inmonth total
- Days with precipitation
- 100.01 inch or more
- Snowfall
- 2.2 inmonth total
- Nights at 32°F or colder
- 22
- Daylight
- 11 h 10 min to 12 h 40 minMarch 1 to March 31
- Days at 70°F or more
- 2
- Sunshine
- 67%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00116200; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Normal in March?
On a given March day the chance of 0.01 inch or more is 32% on average, highest around March 31 (35%). In all, 2.61 in falls on 10 days of a normal March.
In a normal March in Normal, 22 nights fall to freezing, 3 days stay below freezing all day and snowfall averages 2.2 inches.
Snow falls on 2 days in a normal March, and an inch or more covers the ground on 3 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00116200.
What are the records for March in Normal?
The warmest March temperature on this station's record (since 1893) is 88°F, on March 21, 1907; the coldest is −15°F, on March 8, 1943. The wettest March brought 7.73 in (1973); the snowiest, 25.9 inches (1960).
The March mean against the 1991-2020 normal of 38.8°F: 2021 43.2°F (+4.4), 2023 38.6°F (−0.1), 2024 44.6°F (+5.8), 2025 45.9°F (+7.1), 2026 46.6°F (+7.8). 4 of 5 ran warmer than normal.
| March | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 43.2°F | +4.4°F | 4.23 in |
| 2023 | 38.6°F | −0.1°F | 3.67 in |
| 2024 | 44.6°F | +5.8°F | 1.28 in |
| 2025 | 45.9°F | +7.1°F | 2.78 in |
| 2026 | 46.6°F | +7.8°F | 4.90 in |
Source: records: ACIS, station USC00116200; recent months: ACIS, station USC00116200. Records and recent months use complete months only.
How does March in Normal compare across Illinois?
Across the 144 places PlainClimate covers in Illinois, March normal highs run from 44°F in Antioch to 61°F in Anna; Normal's is 50°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.