Ketchikan weather in March: Ketchikan, Alaska: normal highs, lows, rain and records for March
Ketchikan in March has a normal high of 44°F and a normal low of 32°F, a daily mean of 38°F, rising from 42°F on the 1st to 46°F by the 31st. Measurable precipitation falls on 21 days in a normal March, 10.98 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 6°C and low of 0°C, 279 mm of precipitation in March.
- NOAA stationKetchikan International Airport
- Station IDUSW00025325
- Location55.36°N 131.71°W
- Elevation76 ft (23 m)
- Population8,033
- Jan 40° 32°
- Feb 41° 32°
- Mar 44° 32°
- Apr 50° 37°
- May 57° 43°
- Jun 61° 49°
- Jul 65° 53°
- Aug 65° 53°
- Sep 59° 48°
- Oct 51° 41°
- Nov 44° 36°
- Dec 40° 33°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Ketchikan in March?
The normal high is 44°F and the normal low 32°F, for a daily mean of 38.0°F. March is 1.8°F warmer than February and 5.5°F cooler than April. March is the 9th warmest month of the year in Ketchikan and the 8th wettest. Across the month the normal high rises 4°F, from 42°F on March 1 to 46°F on March 31. From one year to the next March's mean temperature typically moves about 2.7°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 35°F and 41°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 67%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| March 1 | 42°F | 31°F | 62% | 48% |
| March 8 | 42°F | 31°F | 64% | 50% |
| March 15 | 43°F | 32°F | 66% | 51% |
| March 22 | 45°F | 33°F | 67% | 51% |
| March 31 | 46°F | 35°F | 67% | 50% |
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 | 42°F | 31°F | 62% | 48% | 10 h 40 min |
| March 2 | 42°F | 31°F | 62% | 49% | 10 h 40 min |
| March 3 | 42°F | 31°F | 62% | 49% | 10 h 50 min |
| March 4 | 42°F | 31°F | 63% | 49% | 10 h 50 min |
| March 5 | 42°F | 31°F | 63% | 49% | 11 h |
| March 6 | 42°F | 31°F | 63% | 49% | 11 h |
| March 7 | 42°F | 31°F | 63% | 49% | 11 h 10 min |
| March 8 | 42°F | 31°F | 64% | 50% | 11 h 10 min |
| March 9 | 42°F | 32°F | 64% | 50% | 11 h 20 min |
| March 10 | 43°F | 32°F | 65% | 50% | 11 h 20 min |
| March 11 | 43°F | 32°F | 65% | 50% | 11 h 30 min |
| March 12 | 43°F | 32°F | 65% | 50% | 11 h 30 min |
| March 13 | 43°F | 32°F | 66% | 50% | 11 h 30 min |
| March 14 | 43°F | 32°F | 66% | 51% | 11 h 40 min |
| March 15 | 43°F | 32°F | 66% | 51% | 11 h 40 min |
| March 16 | 43°F | 32°F | 66% | 51% | 11 h 50 min |
| March 17 | 44°F | 32°F | 66% | 51% | 11 h 50 min |
| March 18 | 44°F | 32°F | 66% | 51% | 12 h |
| March 19 | 44°F | 33°F | 67% | 51% | 12 h |
| March 20 | 44°F | 33°F | 67% | 50% | 12 h 10 min |
| March 21 | 44°F | 33°F | 67% | 50% | 12 h 10 min |
| March 22 | 45°F | 33°F | 67% | 51% | 12 h 20 min |
| March 23 | 45°F | 33°F | 67% | 51% | 12 h 20 min |
| March 24 | 45°F | 33°F | 67% | 50% | 12 h 20 min |
| March 25 | 45°F | 33°F | 67% | 50% | 12 h 30 min |
| March 26 | 45°F | 34°F | 67% | 50% | 12 h 30 min |
| March 27 | 46°F | 34°F | 67% | 50% | 12 h 40 min |
| March 28 | 46°F | 34°F | 67% | 50% | 12 h 40 min |
| March 29 | 46°F | 34°F | 67% | 50% | 12 h 50 min |
| March 30 | 46°F | 34°F | 67% | 50% | 12 h 50 min |
| March 31 | 46°F | 35°F | 67% | 50% | 13 h |
- Normal high
- 44°FMarch average
- Normal low
- 32°FMarch average
- Precipitation
- 10.98 inmonth total
- Days with precipitation
- 210.01 inch or more
- Nights at 32°F or colder
- 16
- Daylight
- 10 h 40 min to 13 hMarch 1 to March 31
- Sunshine
- 54%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00025325; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Ketchikan in March?
On a given March day the chance of 0.01 inch or more is 65% on average, highest around March 25 (67%). In all, 10.98 in falls on 21 days of a normal March, 4 of them with an inch or more.
In a normal March in Ketchikan, 16 nights fall to freezing and 1 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00025325.
How humid and windy is Ketchikan in March?
At 3 p.m. the normal temperature is 45°F with 67% relative humidity and a dew point of 35°F; at 6 a.m. it is 37°F with 87% humidity. The wind averages 8.4 mph, most often from the southeast in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 37°F | 34°F | 87% | 6.9 mph | 23% |
| 9 a.m. | 41°F | 35°F | 77% | 9.4 mph | 23% |
| noon | 44°F | 35°F | 69% | 11.0 mph | 23% |
| 3 p.m. | 45°F | 35°F | 67% | 10.7 mph | 24% |
| 6 p.m. | 42°F | 35°F | 76% | 8.1 mph | 30% |
| 9 p.m. | 39°F | 35°F | 85% | 7.2 mph | 33% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00025325. 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 Ketchikan?
The warmest March temperature on this station's record (since 1910) is 69°F, on March 28, 1915; the coldest is 6°F, on March 9, 2002. The wettest March brought 24.50 in (2010); the snowiest, 30.0 inches (1971).
The March mean against the 1991-2020 normal of 38.0°F: 2021 37.0°F (−1.0), 2022 40.0°F (+2.0), 2023 36.6°F (−1.4), 2024 39.0°F (+1.0), 2025 40.7°F (+2.7), 2026 34.6°F (−3.4). 3 of 6 ran warmer than normal.
| March | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 37.0°F | −1.0°F | 15.63 in |
| 2022 | 40.0°F | +2.0°F | 13.96 in |
| 2023 | 36.6°F | −1.4°F | 7.91 in |
| 2024 | 39.0°F | +1.0°F | 8.34 in |
| 2025 | 40.7°F | +2.7°F | 12.15 in |
| 2026 | 34.6°F | −3.4°F | 9.49 in |
Source: records: ACIS, station USW00025325; recent months: ACIS, station USW00025325. Records and recent months use complete months only.
How does March in Ketchikan 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; Ketchikan's is 44°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.