Juneau weather in July: Juneau, Alaska: normal highs, lows, rain and records for July
Juneau in July has a normal high of 64°F and a normal low of 50°F, a daily mean of 57°F, holding near 64°F all month. Measurable precipitation falls on 19 days in a normal July, 5.14 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 18°C and low of 10°C, 131 mm of precipitation in July.
- 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 July?
The normal high is 64°F and the normal low 50°F, for a daily mean of 57.0°F. July is 2.4°F warmer than June and 1.0°F warmer than August. July is the warmest month of the year in Juneau and the 7th wettest. Across the month the normal high rises 2°F, from 63°F on July 1 to 65°F on July 31. From one year to the next July's mean temperature typically moves about 1.9°F either way (NOAA's standard deviation), so roughly two Julys in three average between 55°F and 59°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 59%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 63°F | 49°F | 56% | 32% |
| July 8 | 64°F | 50°F | 58% | 34% |
| July 15 | 64°F | 50°F | 58% | 36% |
| July 22 | 64°F | 51°F | 58% | 38% |
| July 31 | 65°F | 51°F | 59% | 39% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 26, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 63°F | 49°F | 56% | 32% | 18 h 10 min |
| July 2 | 63°F | 49°F | 57% | 32% | 18 h 10 min |
| July 3 | 63°F | 49°F | 57% | 33% | 18 h 10 min |
| July 4 | 63°F | 49°F | 57% | 33% | 18 h 10 min |
| July 5 | 63°F | 49°F | 57% | 33% | 18 h |
| July 6 | 63°F | 49°F | 57% | 34% | 18 h |
| July 7 | 64°F | 49°F | 57% | 34% | 18 h |
| July 8 | 64°F | 50°F | 58% | 34% | 18 h |
| July 9 | 64°F | 50°F | 58% | 35% | 18 h |
| July 10 | 64°F | 50°F | 58% | 35% | 17 h 50 min |
| July 11 | 64°F | 50°F | 58% | 35% | 17 h 50 min |
| July 12 | 64°F | 50°F | 58% | 35% | 17 h 50 min |
| July 13 | 64°F | 50°F | 58% | 36% | 17 h 50 min |
| July 14 | 64°F | 50°F | 58% | 36% | 17 h 40 min |
| July 15 | 64°F | 50°F | 58% | 36% | 17 h 40 min |
| July 16 | 64°F | 50°F | 58% | 36% | 17 h 40 min |
| July 17 | 64°F | 50°F | 58% | 37% | 17 h 30 min |
| July 18 | 64°F | 50°F | 58% | 37% | 17 h 30 min |
| July 19 | 64°F | 51°F | 58% | 37% | 17 h 30 min |
| July 20 | 64°F | 51°F | 58% | 37% | 17 h 20 min |
| July 21 | 64°F | 51°F | 58% | 38% | 17 h 20 min |
| July 22 | 64°F | 51°F | 58% | 38% | 17 h 20 min |
| July 23 | 64°F | 51°F | 58% | 38% | 17 h 10 min |
| July 24 | 65°F | 51°F | 58% | 38% | 17 h 10 min |
| July 25 | 65°F | 51°F | 58% | 38% | 17 h |
| July 26 | 65°F | 51°F | 58% | 39% | 17 h |
| July 27 | 65°F | 51°F | 58% | 39% | 17 h |
| July 28 | 65°F | 51°F | 59% | 39% | 16 h 50 min |
| July 29 | 65°F | 51°F | 59% | 39% | 16 h 50 min |
| July 30 | 65°F | 51°F | 59% | 39% | 16 h 40 min |
| July 31 | 65°F | 51°F | 59% | 39% | 16 h 40 min |
- Normal high
- 64°FJuly average
- Normal low
- 50°FJuly average
- Precipitation
- 5.14 inmonth total
- Days with precipitation
- 190.01 inch or more
- Daylight
- 18 h 10 min to 16 h 40 minJuly 1 to July 31
- Days at 70°F or more
- 7
- Days at 80°F or more
- 1
- Sunshine
- 56%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 in Juneau in July?
On a given July day the chance of 0.01 inch or more is 58% on average, highest around July 31 (59%). In all, 5.14 in falls on 19 days of a normal July, 1 of them with an inch or more.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00025309.
How humid and windy is Juneau in July?
At 3 p.m. the normal temperature is 63°F with 70% relative humidity and a dew point of 53°F; at 6 a.m. it is 53°F with 91% humidity. The wind averages 6.4 mph, most often from the southeast in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 53°F | 51°F | 91% | 4.5 mph | – |
| 9 a.m. | 58°F | 53°F | 83% | 7.5 mph | 10% |
| noon | 61°F | 53°F | 74% | 8.7 mph | – |
| 3 p.m. | 63°F | 53°F | 70% | 8.5 mph | 10% |
| 6 p.m. | 61°F | 52°F | 72% | 7.2 mph | – |
| 9 p.m. | 56°F | 51°F | 83% | 5.3 mph | 14% |
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 July in Juneau?
The warmest July temperature on Juneau's official record (since 1943) is 90°F, on July 7, 1975; the coldest is 36°F, on July 8, 1950. The wettest July brought 12.21 in (2024).
The July mean against the 1991-2020 normal of 57.0°F: 2021 58.8°F (+1.8), 2022 58.0°F (+1.0), 2023 60.4°F (+3.4), 2024 56.0°F (−1.0), 2025 58.4°F (+1.4), 2026 55.1°F (−1.9). 4 of 6 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 58.8°F | +1.8°F | 2.55 in |
| 2022 | 58.0°F | +1.0°F | 6.98 in |
| 2023 | 60.4°F | +3.4°F | 1.79 in |
| 2024 | 56.0°F | −1.0°F | 12.21 in |
| 2025 | 58.4°F | +1.4°F | 3.66 in |
| 2026 | 55.1°F | −1.9°F | 1.80 in |
Source: records: ACIS, NWS threaded record JNUthr; recent months: ACIS, station USW00025309. Records and recent months use complete months only.
How does July in Juneau compare across Alaska?
Across the 85 places PlainClimate covers in Alaska, July normal highs run from 48°F in Utqiaġvik to 75°F in Two Rivers; Juneau's is 64°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.