McGrath weather in March: McGrath, Alaska: normal highs, lows, rain and records for March
McGrath in March has a normal high of 25°F and a normal low of −1°F, a daily mean of 12°F, rising from 20°F on the 1st to 32°F by the 31st. Measurable precipitation falls on 8 days in a normal March, 0.68 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of −4°C and low of −18°C, 17 mm of precipitation and 23 cm of snow in March.
- NOAA stationMcGrath Airport
- Station IDUSW00026510
- Location62.96°N 155.61°W
- Elevation333 ft (102 m)
- Population284
- Jan 3° -14°
- Feb 15° -6°
- Mar 25° -1°
- Apr 43° 22°
- May 59° 38°
- Jun 69° 49°
- Jul 70° 52°
- Aug 64° 48°
- Sep 54° 38°
- Oct 35° 22°
- Nov 15° 1°
- Dec 6° -10°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is McGrath in March?
The normal high is 25°F and the normal low −1°F, for a daily mean of 11.9°F. March is 7.4°F warmer than February and 20.3°F cooler than April. March is the 8th warmest month of the year in McGrath and the 12th wettest. Across the month the normal high rises 12°F, from 20°F on March 1 to 32°F on March 31. From one year to the next March's mean temperature typically moves about 6.4°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 6°F and 18°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 | 20°F | −4°F | 28% | 8% |
| March 8 | 22°F | −4°F | 27% | 8% |
| March 15 | 23°F | −2°F | 26% | 8% |
| March 22 | 26°F | 1°F | 25% | 8% |
| March 31 | 32°F | 7°F | 24% | 8% |
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 | 20°F | −4°F | 28% | 8% | 10 h 10 min |
| March 2 | 20°F | −4°F | 28% | 8% | 10 h 20 min |
| March 3 | 20°F | −4°F | 28% | 8% | 10 h 20 min |
| March 4 | 21°F | −4°F | 28% | 8% | 10 h 30 min |
| March 5 | 21°F | −4°F | 28% | 8% | 10 h 30 min |
| March 6 | 21°F | −4°F | 27% | 8% | 10 h 40 min |
| March 7 | 21°F | −4°F | 27% | 8% | 10 h 50 min |
| March 8 | 22°F | −4°F | 27% | 8% | 10 h 50 min |
| March 9 | 22°F | −4°F | 27% | 8% | 11 h |
| March 10 | 22°F | −3°F | 27% | 8% | 11 h 10 min |
| March 11 | 22°F | −3°F | 27% | 8% | 11 h 10 min |
| March 12 | 23°F | −3°F | 27% | 8% | 11 h 20 min |
| March 13 | 23°F | −3°F | 26% | 8% | 11 h 20 min |
| March 14 | 23°F | −3°F | 26% | 8% | 11 h 30 min |
| March 15 | 23°F | −2°F | 26% | 8% | 11 h 40 min |
| March 16 | 24°F | −2°F | 26% | 8% | 11 h 40 min |
| March 17 | 24°F | −2°F | 26% | 8% | 11 h 50 min |
| March 18 | 25°F | −1°F | 26% | 8% | 12 h |
| March 19 | 25°F | −1°F | 26% | 8% | 12 h |
| March 20 | 25°F | 0°F | 26% | 8% | 12 h 10 min |
| March 21 | 26°F | 0°F | 26% | 8% | 12 h 10 min |
| March 22 | 26°F | 1°F | 25% | 8% | 12 h 20 min |
| March 23 | 27°F | 1°F | 25% | 8% | 12 h 30 min |
| March 24 | 27°F | 2°F | 25% | 8% | 12 h 30 min |
| March 25 | 28°F | 3°F | 25% | 8% | 12 h 40 min |
| March 26 | 28°F | 3°F | 25% | 8% | 12 h 40 min |
| March 27 | 29°F | 4°F | 25% | 8% | 12 h 50 min |
| March 28 | 30°F | 5°F | 25% | 8% | 13 h |
| March 29 | 30°F | 6°F | 25% | 8% | 13 h |
| March 30 | 31°F | 7°F | 25% | 8% | 13 h 10 min |
| March 31 | 32°F | 7°F | 24% | 8% | 13 h 20 min |
- Normal high
- 25°FMarch average
- Normal low
- −1°FMarch average
- Precipitation
- 0.68 inmonth total
- Days with precipitation
- 80.01 inch or more
- Snowfall
- 9.2 inmonth total
- Nights at 32°F or colder
- 31
- Daylight
- 10 h 10 min to 13 h 20 minMarch 1 to March 31
- Sunshine
- 81%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00026510; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in McGrath in March?
On a given March day the chance of 0.01 inch or more is 26% on average, highest around March 1 (28%). In all, 0.68 in falls on 8 days of a normal March.
In a normal March in McGrath, 31 nights fall to freezing, 22 days stay below freezing all day and snowfall averages 9.2 inches.
Snow falls on 8 days in a normal March, and an inch or more covers the ground on 31 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00026510.
How humid and windy is McGrath in March?
At 3 p.m. the normal temperature is 31°F with 48% relative humidity and a dew point of 13°F; at 6 a.m. it is 12°F with 78% humidity. The wind averages 5.3 mph, most often from the north in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 12°F | 6°F | 78% | 3.7 mph | 41% |
| 9 a.m. | 15°F | 8°F | 73% | 3.9 mph | 33% |
| noon | 26°F | 12°F | 55% | 5.7 mph | 37% |
| 3 p.m. | 31°F | 13°F | 48% | 7.0 mph | 31% |
| 6 p.m. | 31°F | 14°F | 48% | 7.7 mph | 39% |
| 9 p.m. | 25°F | 13°F | 60% | 5.6 mph | 34% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00026510. 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 McGrath?
The warmest March temperature on McGrath's official record (since 1941) is 55°F, on March 20, 1998; the coldest is −51°F, on March 2, 1956. The wettest March brought 2.82 in (1991); the snowiest, 35.8 inches (1990).
The March mean against the 1991-2020 normal of 11.9°F: 2021 7.8°F (−4.1), 2022 14.6°F (+2.7), 2023 12.2°F (+0.3), 2024 15.8°F (+3.9), 2025 15.4°F (+3.5), 2026 -4.2°F (−16.1). 4 of 6 ran warmer than normal.
| March | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 7.8°F | −4.1°F | 1.57 in |
| 2022 | 14.6°F | +2.7°F | 0.66 in |
| 2023 | 12.2°F | +0.3°F | 0.83 in |
| 2024 | 15.8°F | +3.9°F | 0.88 in |
| 2025 | 15.4°F | +3.5°F | 0.06 in |
| 2026 | -4.2°F | −16.1°F | 0.11 in |
Source: records: ACIS, NWS threaded record MCGthr; recent months: ACIS, station USW00026510. Records and recent months use complete months only.
How does March in McGrath compare across Alaska?
Across the 85 places PlainClimate covers in Alaska, March normal highs run from −7°F in Nuiqsut to 44°F in Klawock; McGrath's is 25°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.