Kenai weather in August: Kenai, Alaska: normal highs, lows, rain and records for August

Kenai in August has a normal high of 63°F and a normal low of 47°F, a daily mean of 55°F, falling from 64°F on the 1st to 60°F by the 31st. Measurable precipitation falls on 14 days in a normal August, 2.68 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 17°C and low of 8°C, 68 mm of precipitation in August.

  • NOAA stationKenai Municipal Airport
  • Station IDUSW00026523
  • Location60.58°N 151.24°W
  • Elevation91 ft (28 m)
  • Population7,770
  1. Jan 22° 7°
  2. Feb 28° 12°
  3. Mar 33° 14°
  4. Apr 44° 28°
  5. May 55° 36°
  6. Jun 60° 44°
  7. Jul 63° 49°
  8. Aug 63° 47°
  9. Sep 56° 40°
  10. Oct 43° 29°
  11. Nov 30° 16°
  12. Dec 25° 11°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Kenai in August?

The normal high is 63°F and the normal low 47°F, for a daily mean of 54.8°F. August is 1.2°F cooler than July and 7.0°F warmer than September. August is the 2nd warmest month of the year in Kenai and the 2nd wettest. Across the month the normal high falls 4°F, from 64°F on August 1 to 60°F on August 31. From one year to the next August's mean temperature typically moves about 1.7°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 53°F and 57°F.

Kenai in August, day by day: normal high and low

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 49%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 164°F49°F44%23%
August 864°F48°F45%24%
August 1563°F47°F46%25%
August 2262°F46°F47%25%
August 3160°F44°F49%27%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
Kenai: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 164°F49°F44%23%17 h
August 264°F49°F44%23%17 h
August 364°F49°F44%23%16 h 50 min
August 464°F49°F44%23%16 h 50 min
August 564°F49°F44%23%16 h 40 min
August 664°F49°F45%23%16 h 40 min
August 764°F49°F45%23%16 h 30 min
August 864°F48°F45%24%16 h 30 min
August 964°F48°F45%24%16 h 20 min
August 1064°F48°F45%24%16 h 20 min
August 1164°F48°F45%24%16 h 10 min
August 1264°F48°F45%24%16 h 10 min
August 1363°F48°F45%24%16 h
August 1463°F48°F46%24%16 h
August 1563°F47°F46%25%15 h 50 min
August 1663°F47°F46%25%15 h 50 min
August 1763°F47°F46%25%15 h 40 min
August 1863°F47°F46%25%15 h 30 min
August 1963°F47°F46%25%15 h 30 min
August 2063°F46°F46%25%15 h 20 min
August 2162°F46°F46%25%15 h 20 min
August 2262°F46°F47%25%15 h 10 min
August 2362°F46°F47%26%15 h 10 min
August 2462°F45°F47%26%15 h
August 2562°F45°F47%26%15 h
August 2661°F45°F48%26%14 h 50 min
August 2761°F45°F48%26%14 h 50 min
August 2861°F44°F48%27%14 h 40 min
August 2961°F44°F48%27%14 h 30 min
August 3061°F44°F49%27%14 h 30 min
August 3160°F44°F49%27%14 h 20 min
Normal high
63°FAugust average
Normal low
47°FAugust average
Precipitation
2.68 inmonth total
Days with precipitation
140.01 inch or more
Daylight
17 h to 14 h 20 minAugust 1 to August 31
Days at 70°F or more
3
Sunshine
65%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00026523; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Kenai in August?

On a given August day the chance of 0.01 inch or more is 46% on average, highest around August 31 (49%). In all, 2.68 in falls on 14 days of a normal August.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00026523.

How humid and windy is Kenai in August?

At 3 p.m. the normal temperature is 59°F with 63% relative humidity and a dew point of 47°F; at 6 a.m. it is 46°F with 90% humidity. The wind averages 7.0 mph, most often from the west in the afternoon. A dew point under 50°F feels dry.

A normal August day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.46°F43°F90%4.9 mph–
9 a.m.53°F47°F80%6.7 mph–
noon58°F47°F67%9.2 mph–
3 p.m.59°F47°F63%9.9 mph–
6 p.m.58°F47°F67%9.0 mph–
9 p.m.53°F47°F82%6.1 mph–

Source: NOAA NCEI 1991-2020 hourly normals, station USW00026523. 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 August in Kenai?

The warmest August temperature on this station's record (since 1899) is 86°F, on August 21, 1977; the coldest is 24°F, on August 29, 1984. The wettest August brought 6.18 in (1905).

The August mean against the 1991-2020 normal of 54.8°F: 2021 53.3°F (−1.5), 2022 54.6°F (−0.2), 2023 55.7°F (+0.9), 2024 52.5°F (−2.3), 2026 55.3°F (+0.5). 2 of 5 ran warmer than normal.

Kenai: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202153.3°F−1.5°F1.29 in
202254.6°F−0.2°F4.21 in
202355.7°F+0.9°F1.21 in
202452.5°F−2.3°F3.08 in
202655.3°F+0.5°F0.49 in

Source: records: ACIS, station USW00026523; recent months: ACIS, station USW00026523. Records and recent months use complete months only.

How does August in Kenai compare across Alaska?

Across the 85 places PlainClimate covers in Alaska, August normal highs run from 45°F in Utqiaġvik to 68°F in Two Rivers; Kenai's is 63°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places