Ketchikan weather in April: Ketchikan, Alaska: normal highs, lows, rain and records for April
Ketchikan in April has a normal high of 50°F and a normal low of 37°F, a daily mean of 44°F, rising from 47°F on the 1st to 53°F by the 30th. Measurable precipitation falls on 19 days in a normal April, 10.25 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 10°C and low of 3°C, 260 mm of precipitation in April.
- 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 April?
The normal high is 50°F and the normal low 37°F, for a daily mean of 43.5°F. April is 5.5°F warmer than March and 6.6°F cooler than May. April is the 7th warmest month of the year in Ketchikan and the 9th wettest. Across the month the normal high rises 6°F, from 47°F on April 1 to 53°F on April 30. From one year to the next April's mean temperature typically moves about 1.7°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 42°F and 45°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 |
|---|---|---|---|---|
| April 1 | 47°F | 35°F | 67% | 50% |
| April 8 | 48°F | 36°F | 66% | 48% |
| April 15 | 50°F | 37°F | 64% | 47% |
| April 22 | 51°F | 38°F | 62% | 45% |
| April 30 | 53°F | 40°F | 58% | 42% |
Every day of April: normal high, low and chance of precipitation (warmest afternoon April 30, coldest night April 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| April 1 | 47°F | 35°F | 67% | 50% | 13 h |
| April 2 | 47°F | 35°F | 67% | 50% | 13 h 10 min |
| April 3 | 47°F | 35°F | 67% | 49% | 13 h 10 min |
| April 4 | 47°F | 35°F | 67% | 49% | 13 h 10 min |
| April 5 | 47°F | 35°F | 67% | 49% | 13 h 20 min |
| April 6 | 48°F | 36°F | 67% | 49% | 13 h 20 min |
| April 7 | 48°F | 36°F | 67% | 49% | 13 h 30 min |
| April 8 | 48°F | 36°F | 66% | 48% | 13 h 30 min |
| April 9 | 48°F | 36°F | 66% | 48% | 13 h 40 min |
| April 10 | 49°F | 36°F | 66% | 48% | 13 h 40 min |
| April 11 | 49°F | 36°F | 65% | 48% | 13 h 50 min |
| April 12 | 49°F | 37°F | 65% | 47% | 13 h 50 min |
| April 13 | 49°F | 37°F | 65% | 47% | 14 h |
| April 14 | 49°F | 37°F | 65% | 47% | 14 h |
| April 15 | 50°F | 37°F | 64% | 47% | 14 h |
| April 16 | 50°F | 37°F | 64% | 46% | 14 h 10 min |
| April 17 | 50°F | 38°F | 64% | 46% | 14 h 10 min |
| April 18 | 50°F | 38°F | 63% | 46% | 14 h 20 min |
| April 19 | 51°F | 38°F | 63% | 46% | 14 h 20 min |
| April 20 | 51°F | 38°F | 62% | 45% | 14 h 30 min |
| April 21 | 51°F | 38°F | 62% | 45% | 14 h 30 min |
| April 22 | 51°F | 38°F | 62% | 45% | 14 h 40 min |
| April 23 | 52°F | 39°F | 61% | 44% | 14 h 40 min |
| April 24 | 52°F | 39°F | 61% | 44% | 14 h 40 min |
| April 25 | 52°F | 39°F | 60% | 44% | 14 h 50 min |
| April 26 | 52°F | 39°F | 60% | 43% | 14 h 50 min |
| April 27 | 53°F | 39°F | 59% | 43% | 15 h |
| April 28 | 53°F | 39°F | 59% | 43% | 15 h |
| April 29 | 53°F | 40°F | 59% | 42% | 15 h 10 min |
| April 30 | 53°F | 40°F | 58% | 42% | 15 h 10 min |
- Normal high
- 50°FApril average
- Normal low
- 37°FApril average
- Precipitation
- 10.25 inmonth total
- Days with precipitation
- 190.01 inch or more
- Nights at 32°F or colder
- 7
- Daylight
- 13 h to 15 h 10 minApril 1 to April 30
- Sunshine
- 58%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 April?
On a given April day the chance of 0.01 inch or more is 64% on average, highest around April 1 (67%). In all, 10.25 in falls on 19 days of a normal April, 3 of them with an inch or more.
In a normal April in Ketchikan, 7 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00025325.
How humid and windy is Ketchikan in April?
At 3 p.m. the normal temperature is 51°F with 62% relative humidity and a dew point of 38°F; at 6 a.m. it is 44°F with 84% humidity. The wind averages 8.9 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. | 44°F | 39°F | 84% | 8.1 mph | – |
| 9 a.m. | 48°F | 39°F | 71% | 10.5 mph | – |
| noon | 50°F | 39°F | 64% | 11.9 mph | 29% |
| 3 p.m. | 51°F | 38°F | 62% | 11.3 mph | 32% |
| 6 p.m. | 49°F | 39°F | 68% | 9.0 mph | 34% |
| 9 p.m. | 44°F | 39°F | 82% | 7.1 mph | 37% |
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 April in Ketchikan?
The warmest April temperature on this station's record (since 1910) is 75°F, on April 29, 1976; the coldest is 12°F, on April 2, 1920. The wettest April brought 23.03 in (2007); the snowiest, 5.5 inches (1927).
The April mean against the 1991-2020 normal of 43.5°F: 2021 43.3°F (−0.2), 2022 41.8°F (−1.8), 2023 42.5°F (−1.0), 2024 43.8°F (+0.3), 2025 44.6°F (+1.1), 2026 44.6°F (+1.1). 3 of 6 ran warmer than normal.
| April | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 43.3°F | −0.2°F | 10.05 in |
| 2022 | 41.8°F | −1.8°F | 7.74 in |
| 2023 | 42.5°F | −1.0°F | 13.80 in |
| 2024 | 43.8°F | +0.3°F | 5.01 in |
| 2025 | 44.6°F | +1.1°F | 12.44 in |
| 2026 | 44.6°F | +1.1°F | 4.19 in |
Source: records: ACIS, station USW00025325; recent months: ACIS, station USW00025325. Records and recent months use complete months only.
How does April in Ketchikan compare across Alaska?
Across the 85 places PlainClimate covers in Alaska, April normal highs run from 10°F in Nuiqsut to 51°F in Hyder; Ketchikan's is 50°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.