Kaneohe weather in August: Kaneohe, Hawaii: normal highs, lows, rain and records for August

Kaneohe in August has a normal high of 84°F and a normal low of 75°F, a daily mean of 80°F, holding near 84°F all month. Measurable precipitation falls on 12 days in a normal August, 1.42 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 29°C and low of 24°C, 36 mm of precipitation in August.

  • NOAA stationKaneohe Bay Marine Corps Air Station
  • Station IDUSW00022519
  • Location21.45°N 157.78°W
  • Elevation10 ft (3 m)
  • Population (census place)35,945
  1. Jan 79° 68°
  2. Feb 78° 69°
  3. Mar 78° 69°
  4. Apr 80° 71°
  5. May 81° 72°
  6. Jun 82° 74°
  7. Jul 83° 75°
  8. Aug 84° 75°
  9. Sep 84° 76°
  10. Oct 83° 75°
  11. Nov 81° 73°
  12. Dec 79° 70°

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

How warm is Kaneohe in August?

The normal high is 84°F and the normal low 75°F, for a daily mean of 79.8°F. August is 0.7°F warmer than July and 0.1°F cooler than September. August is the 2nd warmest month of the year in Kaneohe and the 9th wettest. From one year to the next August's mean temperature typically moves about 0.9°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 79°F and 81°F.

Kaneohe 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 44%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 184°F75°F44%12%
August 884°F75°F42%12%
August 1584°F75°F41%12%
August 2284°F75°F41%12%
August 3184°F75°F43%12%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 18, coldest night August 1)
Kaneohe: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 184°F75°F44%12%13 h 10 min
August 284°F75°F44%12%13 h 10 min
August 384°F75°F44%12%13 h 10 min
August 484°F75°F43%12%13 h
August 584°F75°F43%12%13 h
August 684°F75°F42%12%13 h
August 784°F75°F42%12%13 h
August 884°F75°F42%12%13 h
August 984°F75°F42%12%13 h
August 1084°F75°F42%12%13 h
August 1184°F75°F41%12%13 h
August 1284°F75°F41%12%13 h
August 1384°F75°F41%12%13 h
August 1484°F75°F41%12%12 h 50 min
August 1584°F75°F41%12%12 h 50 min
August 1684°F75°F41%12%12 h 50 min
August 1784°F75°F41%12%12 h 50 min
August 1884°F75°F41%12%12 h 50 min
August 1984°F75°F41%12%12 h 50 min
August 2084°F75°F41%12%12 h 50 min
August 2184°F75°F41%12%12 h 50 min
August 2284°F75°F41%12%12 h 50 min
August 2384°F75°F41%12%12 h 40 min
August 2484°F75°F41%12%12 h 40 min
August 2584°F75°F42%12%12 h 40 min
August 2684°F75°F42%12%12 h 40 min
August 2784°F75°F42%12%12 h 40 min
August 2884°F75°F42%12%12 h 40 min
August 2984°F75°F42%12%12 h 40 min
August 3084°F75°F43%12%12 h 40 min
August 3184°F75°F43%12%12 h 40 min
Normal high
84°FAugust average
Normal low
75°FAugust average
Precipitation
1.42 inmonth total
Days with precipitation
120.01 inch or more
Days at 90°F or more
1
Daylight
13 h 10 min to 12 h 40 minAugust 1 to August 31
Days at 70°F or more
31
Days at 80°F or more
31
Sunshine
87%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00022519; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Kaneohe in August?

On a given August day the chance of 0.01 inch or more is 42% on average, highest around August 1 (44%). In all, 1.42 in falls on 12 days of a normal August.

In a normal August in Kaneohe, 1 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00022519.

How humid and windy is Kaneohe in August?

At 3 p.m. the normal temperature is 83°F with 66% relative humidity and a dew point of 70°F; at 6 a.m. it is 77°F with 77% humidity. The wind averages 8.4 mph, most often from the east-northeast in the afternoon. A dew point of 65°F or more feels muggy to most people.

A normal August day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.77°F70°F77%6.6 mph–
9 a.m.81°F70°F71%8.9 mph22%
noon83°F70°F66%10.5 mph26%
3 p.m.83°F70°F66%10.5 mph28%
6 p.m.80°F70°F70%9.1 mph28%
9 p.m.79°F70°F74%7.9 mph26%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00022519. 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 Kaneohe?

The warmest August temperature on this station's record (since 1942) is 93°F, on August 31, 1987; the coldest is 68°F, on August 28, 1954. The wettest August brought 5.76 in (1958).

The August mean against the 1991-2020 normal of 79.8°F: 2021 78.6°F (−1.2), 2022 80.2°F (+0.4), 2023 84.3°F (+4.5), 2024 84.1°F (+4.3), 2026 80.3°F (+0.5). 4 of 5 ran warmer than normal.

Kaneohe: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202178.6°F−1.2°F2.98 in
202280.2°F+0.4°F2.39 in
202384.3°F+4.5°F0.48 in
202484.1°F+4.3°F1.25 in
202680.3°F+0.5°F–

Source: records: ACIS, station USW00022519; recent months: ACIS, station USW00022519. Records and recent months use complete months only.

How does August in Kaneohe compare across Hawaii?

Across the 18 places PlainClimate covers in Hawaii, August normal highs run from 76°F in Kula to 90°F in Kahului; Kaneohe's is 84°F.

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

Other months and places