Juneau weather in April: Juneau, Alaska: normal highs, lows, rain and records for April
Juneau in April has a normal high of 49°F and a normal low of 33°F, a daily mean of 41°F, rising from 44°F on the 1st to 54°F by the 30th. Measurable precipitation falls on 17 days in a normal April, 3.47 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 9°C and low of 0°C, 88 mm of precipitation and 3 cm of snow in April.
- NOAA stationJuneau Airport
- Station IDUSW00025309
- Location58.36°N 134.56°W
- Elevation16 ft (5 m)
- Population31,572
- Jan 33° 24°
- Feb 36° 25°
- Mar 39° 27°
- Apr 49° 33°
- May 58° 40°
- Jun 62° 47°
- Jul 64° 50°
- Aug 63° 49°
- Sep 56° 44°
- Oct 47° 37°
- Nov 38° 29°
- Dec 35° 26°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Juneau in April?
The normal high is 49°F and the normal low 33°F, for a daily mean of 40.8°F. April is 7.9°F warmer than March and 8.2°F cooler than May. April is the 7th warmest month of the year in Juneau and the 12th wettest. Across the month the normal high rises 10°F, from 44°F on April 1 to 54°F on April 30. From one year to the next April's mean temperature typically moves about 2.1°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 39°F and 43°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 57%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| April 1 | 44°F | 30°F | 57% | 33% |
| April 8 | 46°F | 31°F | 57% | 32% |
| April 15 | 49°F | 33°F | 57% | 32% |
| April 22 | 51°F | 34°F | 57% | 32% |
| April 30 | 54°F | 36°F | 56% | 32% |
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 | 44°F | 30°F | 57% | 33% | 13 h 10 min |
| April 2 | 44°F | 30°F | 57% | 33% | 13 h 10 min |
| April 3 | 44°F | 30°F | 57% | 32% | 13 h 20 min |
| April 4 | 45°F | 30°F | 57% | 32% | 13 h 20 min |
| April 5 | 45°F | 30°F | 57% | 32% | 13 h 30 min |
| April 6 | 45°F | 31°F | 57% | 32% | 13 h 30 min |
| April 7 | 46°F | 31°F | 57% | 32% | 13 h 40 min |
| April 8 | 46°F | 31°F | 57% | 32% | 13 h 40 min |
| April 9 | 46°F | 31°F | 57% | 32% | 13 h 50 min |
| April 10 | 47°F | 32°F | 57% | 32% | 13 h 50 min |
| April 11 | 47°F | 32°F | 57% | 32% | 14 h |
| April 12 | 48°F | 32°F | 57% | 32% | 14 h |
| April 13 | 48°F | 32°F | 57% | 32% | 14 h 10 min |
| April 14 | 48°F | 33°F | 57% | 32% | 14 h 10 min |
| April 15 | 49°F | 33°F | 57% | 32% | 14 h 20 min |
| April 16 | 49°F | 33°F | 57% | 32% | 14 h 20 min |
| April 17 | 49°F | 33°F | 57% | 32% | 14 h 30 min |
| April 18 | 50°F | 34°F | 57% | 32% | 14 h 30 min |
| April 19 | 50°F | 34°F | 57% | 32% | 14 h 40 min |
| April 20 | 50°F | 34°F | 57% | 32% | 14 h 40 min |
| April 21 | 51°F | 34°F | 57% | 32% | 14 h 50 min |
| April 22 | 51°F | 34°F | 57% | 32% | 14 h 50 min |
| April 23 | 51°F | 35°F | 57% | 32% | 15 h |
| April 24 | 52°F | 35°F | 57% | 32% | 15 h |
| April 25 | 52°F | 35°F | 56% | 32% | 15 h 10 min |
| April 26 | 52°F | 35°F | 56% | 32% | 15 h 10 min |
| April 27 | 53°F | 36°F | 56% | 32% | 15 h 20 min |
| April 28 | 53°F | 36°F | 56% | 32% | 15 h 20 min |
| April 29 | 53°F | 36°F | 56% | 32% | 15 h 30 min |
| April 30 | 54°F | 36°F | 56% | 32% | 15 h 30 min |
- Normal high
- 49°FApril average
- Normal low
- 33°FApril average
- Precipitation
- 3.47 inmonth total
- Days with precipitation
- 170.01 inch or more
- Snowfall
- 1.2 inmonth total
- Nights at 32°F or colder
- 13
- Daylight
- 13 h 10 min to 15 h 30 minApril 1 to April 30
- Sunshine
- 60%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00025309; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Juneau in April?
On a given April day the chance of 0.01 inch or more is 57% on average, highest around April 1 (57%). In all, 3.47 in falls on 17 days of a normal April.
In a normal April in Juneau, 13 nights fall to freezing and snowfall averages 1.2 inches.
Snow falls on 1 day in a normal April, and an inch or more covers the ground on 1 day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00025309.
How humid and windy is Juneau in April?
At 3 p.m. the normal temperature is 51°F with 55% relative humidity and a dew point of 35°F; at 6 a.m. it is 40°F with 86% humidity. The wind averages 8.2 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. | 40°F | 36°F | 86% | 5.8 mph | – |
| 9 a.m. | 46°F | 37°F | 70% | 9.7 mph | 18% |
| noon | 50°F | 36°F | 59% | 11.9 mph | – |
| 3 p.m. | 51°F | 35°F | 55% | 11.6 mph | 17% |
| 6 p.m. | 49°F | 36°F | 60% | 9.6 mph | – |
| 9 p.m. | 44°F | 37°F | 77% | 6.1 mph | 18% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00025309. 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 Juneau?
The warmest April temperature on Juneau's official record (since 1943) is 74°F, on April 26, 2003; the coldest is 6°F, on April 5, 1963. The wettest April brought 7.48 in (1999); the snowiest, 46.3 inches (1963).
The April mean against the 1991-2020 normal of 40.8°F: 2021 40.0°F (−0.8), 2022 39.0°F (−1.8), 2023 40.6°F (−0.2), 2024 41.7°F (+0.9), 2025 42.1°F (+1.3), 2026 38.8°F (−2.0). 2 of 6 ran warmer than normal.
| April | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 40.0°F | −0.8°F | 5.15 in |
| 2022 | 39.0°F | −1.8°F | 3.44 in |
| 2023 | 40.6°F | −0.2°F | 4.70 in |
| 2024 | 41.7°F | +0.9°F | 2.98 in |
| 2025 | 42.1°F | +1.3°F | 6.12 in |
| 2026 | 38.8°F | −2.0°F | 2.75 in |
Source: records: ACIS, NWS threaded record JNUthr; recent months: ACIS, station USW00025309. Records and recent months use complete months only.
How does April in Juneau 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; Juneau's is 49°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.