Idaho Falls weather in March: Idaho Falls, Idaho: normal highs, lows, rain and records for March
Idaho Falls in March has a normal high of 47°F and a normal low of 25°F, a daily mean of 36°F, rising from 40°F on the 1st to 53°F by the 31st. Measurable precipitation falls on 8 days in a normal March, 0.81 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 8°C and low of −4°C, 21 mm of precipitation in March.
- NOAA stationIdaho Falls Fanning Field
- Station IDUSW00024145
- Location43.52°N 112.07°W
- Elevation4,729 ft (1,441 m)
- Population69,523
- Jan 29° 12°
- Feb 34° 16°
- Mar 47° 25°
- Apr 58° 31°
- May 67° 38°
- Jun 76° 45°
- Jul 87° 49°
- Aug 86° 48°
- Sep 75° 41°
- Oct 59° 31°
- Nov 43° 22°
- Dec 30° 13°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Idaho Falls in March?
The normal high is 47°F and the normal low 25°F, for a daily mean of 36.2°F. March is 11.3°F warmer than February and 8.2°F cooler than April. March is the 8th warmest month of the year in Idaho Falls and the 6th wettest. Across the month the normal high rises 13°F, from 40°F on March 1 to 53°F on March 31. From one year to the next March's mean temperature typically moves about 3.6°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 33°F and 40°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 28%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| March 1 | 40°F | 20°F | 25% | 7% |
| March 8 | 44°F | 23°F | 24% | 7% |
| March 15 | 47°F | 25°F | 25% | 8% |
| March 22 | 50°F | 28°F | 26% | 9% |
| March 31 | 53°F | 29°F | 28% | 10% |
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 | 40°F | 20°F | 25% | 7% | 11 h 10 min |
| March 2 | 41°F | 20°F | 25% | 7% | 11 h 10 min |
| March 3 | 41°F | 21°F | 25% | 7% | 11 h 10 min |
| March 4 | 42°F | 21°F | 25% | 7% | 11 h 20 min |
| March 5 | 42°F | 22°F | 25% | 7% | 11 h 20 min |
| March 6 | 43°F | 22°F | 25% | 7% | 11 h 20 min |
| March 7 | 43°F | 22°F | 25% | 7% | 11 h 30 min |
| March 8 | 44°F | 23°F | 24% | 7% | 11 h 30 min |
| March 9 | 44°F | 23°F | 24% | 8% | 11 h 30 min |
| March 10 | 45°F | 24°F | 24% | 8% | 11 h 40 min |
| March 11 | 45°F | 24°F | 25% | 8% | 11 h 40 min |
| March 12 | 46°F | 24°F | 25% | 8% | 11 h 40 min |
| March 13 | 46°F | 25°F | 25% | 8% | 11 h 40 min |
| March 14 | 47°F | 25°F | 25% | 8% | 11 h 50 min |
| March 15 | 47°F | 25°F | 25% | 8% | 11 h 50 min |
| March 16 | 48°F | 26°F | 25% | 9% | 11 h 50 min |
| March 17 | 48°F | 26°F | 25% | 9% | 12 h |
| March 18 | 48°F | 26°F | 25% | 9% | 12 h |
| March 19 | 49°F | 27°F | 26% | 9% | 12 h |
| March 20 | 49°F | 27°F | 26% | 9% | 12 h 10 min |
| March 21 | 50°F | 27°F | 26% | 9% | 12 h 10 min |
| March 22 | 50°F | 28°F | 26% | 9% | 12 h 10 min |
| March 23 | 50°F | 28°F | 26% | 9% | 12 h 10 min |
| March 24 | 51°F | 28°F | 26% | 9% | 12 h 20 min |
| March 25 | 51°F | 28°F | 27% | 10% | 12 h 20 min |
| March 26 | 52°F | 29°F | 27% | 10% | 12 h 20 min |
| March 27 | 52°F | 29°F | 27% | 10% | 12 h 30 min |
| March 28 | 52°F | 29°F | 27% | 10% | 12 h 30 min |
| March 29 | 53°F | 29°F | 27% | 10% | 12 h 30 min |
| March 30 | 53°F | 29°F | 27% | 10% | 12 h 40 min |
| March 31 | 53°F | 29°F | 28% | 10% | 12 h 40 min |
- Normal high
- 47°FMarch average
- Normal low
- 25°FMarch average
- Precipitation
- 0.81 inmonth total
- Days with precipitation
- 80.01 inch or more
- Nights at 32°F or colder
- 25
- Daylight
- 11 h 10 min to 12 h 40 minMarch 1 to March 31
- Days at 70°F or more
- 1
- Sunshine
- 73%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00024145; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Idaho Falls in March?
On a given March day the chance of 0.01 inch or more is 25% on average, highest around March 31 (28%). In all, 0.81 in falls on 8 days of a normal March.
In a normal March in Idaho Falls, 25 nights fall to freezing and 2 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024145.
What are the records for March in Idaho Falls?
The warmest March temperature on this station's record (since 1948) is 78°F, on March 20, 2026; the coldest is −16°F, on March 2, 1960. The wettest March brought 1.98 in (2024); the snowiest, 11.7 inches (1985).
The March mean against the 1991-2020 normal of 36.2°F: 2021 34.3°F (−1.9), 2022 35.7°F (−0.5), 2023 25.0°F (−11.2), 2024 34.0°F (−2.3), 2025 40.0°F (+3.8), 2026 45.6°F (+9.4). 2 of 6 ran warmer than normal.
| March | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 34.3°F | −1.9°F | 1.00 in |
| 2022 | 35.7°F | −0.5°F | 0.34 in |
| 2023 | 25.0°F | −11.2°F | 1.08 in |
| 2024 | 34.0°F | −2.3°F | 1.98 in |
| 2025 | 40.0°F | +3.8°F | 0.69 in |
| 2026 | 45.6°F | +9.4°F | 0.45 in |
Source: records: ACIS, station USW00024145; recent months: ACIS, station USW00024145. Records and recent months use complete months only.
How does March in Idaho Falls compare across Idaho?
Across the 85 places PlainClimate covers in Idaho, March normal highs run from 34°F in Mullan to 61°F in Bruneau; Idaho Falls's is 47°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.