Kahului, HI

Hawaii · Records since 1954–2026

🌙 80°F Feels like 84°
Currently in Kahului
As of 10:45 PM HST

Records for August 11

🔥 Record High

96°F

August 11, 2019

+6° from 90° normal

❄ Record Low

63°F

August 11, 1971

-9° from 72° normal
🌞 Normal high: 90°F 🌑 Normal low: 72°F 1991–2020 normals

All-Time Records — Kahului

🔥
97°F
Hottest Day Ever
Sep 16, 2019
48°F
Coldest Day Ever
Jan 20, 1969
🌧
7.40"
Wettest Day Ever
Mar 13, 2026
0.0"
Most Snow in One Day
Nov 30, 2020

Top 10 Record Highs — August 11

# Temp Date
🏆 96°F August 11, 2019
2 94°F August 11, 2020
3 93°F August 11, 2022
4 93°F August 11, 1996
5 92°F August 11, 2007
6 92°F August 11, 1954
7 91°F August 11, 2025
8 91°F August 11, 2016
9 91°F August 11, 1987
10 91°F August 11, 1980

Top 5 Record Lows — August 11

# Temp Date
🥶 63°F August 11, 1971
2 64°F August 11, 1985
3 65°F August 11, 2024
4 65°F August 11, 1998
5 65°F August 11, 1967
About this data — Records are sourced from the NOAA Threadex dataset via RCC ACIS, a quality-controlled record for long-term climate stations. Threadex adjusts for station relocations and observation-time changes, making records comparable across all years since 1954–2026. Climate normals represent the 1991–2020 average.

Heat Wave Summary — Kahului

threshold: 90°F (90th percentile of historical Jun–Aug highs)
5.5
Avg heat wave length
days (historical)
93°
Avg peak temp
during heat waves
99
Dangerous nights 2026
Overnights ≥ 70°F
0
Heat waves 2026
so far

2026 Daily High Temperature vs Normal

Year to date
Above normal Below normal

36 of 221 days with data were above the 1991–2020 normal high for their date.


Days ≥ 90°F Per Year

1954–2026
4
2026 so far
30
Avg/year 1970–2025
70
Avg/year (last 10 complete)
162
Most in a year (2019)

Average Daily High by Decade

Full year · complete decades only


Longest Heat Waves — Kahului

# Dates Days Peak Avg High Avg Overnight Low
🏆 Aug 20, 2019 – Oct 3, 2019 45 97°F (Sep 16) 92°F 74°F
2 Aug 17, 2020 – Sep 30, 2020 45 96°F (Sep 18) 92°F 74°F
3 Oct 2, 2020 – Oct 28, 2020 27 96°F (Oct 3) 93°F 71°F
4 Jun 21, 2019 – Jul 16, 2019 26 95°F (Jun 22) 92°F 71°F
5 Oct 8, 1984 – Oct 25, 1984 18 95°F (Oct 15) 93°F 70°F
6 Aug 7, 2015 – Aug 23, 2015 17 97°F (Aug 22) 92°F 74°F
7 May 18, 2019 – Jun 1, 2019 15 96°F (May 22) 93°F 69°F
8 Jul 18, 2019 – Jul 31, 2019 14 97°F (Jul 29) 92°F 74°F
9 Sep 14, 2022 – Sep 27, 2022 14 96°F (Sep 23) 93°F 72°F
10 Aug 17, 1968 – Aug 30, 1968 14 94°F (Aug 19) 91°F 70°F

Heat Waves Per Year


Warm Summer Nights (Jun–Aug)

Nights where the overnight low exceeded the 1991–2020 normal low

45
2026 so far
above-normal nights
40.1
Avg / summer
1970–2020
68
Most in a summer
1994

Above-Normal Summer Nights Per Year

Average June–August Low by Decade

Overnight lows · complete decades only

Precipitation

Actual vs. 1991–2020 full-month and full-season normals

28.21"
2026 YTD
Normal: 9.95"
+18.26"
0.00"
August so far
August normal: 0.53"
-0.53"
0.91"
Summer so far
Summer normal: 1.23"
-0.32"
4
2026 heavy rain days
Days with ≥ 1.0"

Monthly Precipitation — Last 24 Months

Blue = actual · dashed line = monthly normal

Annual Precipitation Per Year (1970–2026)

Blue = above average · tan = below average · gold = 2026 (partial)

Heavy Rain Days Per Year (≥ 1.0")

Compare year-to-year changes in days with heavy rainfall (≥ 1.0")

Month in Review — July 2026

79.6°F

Average temperature · July 2026

103rd-warmest month on record

24th-warmest July of 72 on record

+0.1° vs. 79.5° average (1991–2020)
83.7°F
Warmest month ever
August 2020
82.5°F
Warmest July ever
2019
91°F
Hottest of 2026
Jun 18

Average July Temperature by Year

1954–2026 · 2026 highlighted


Warmest Julys on Record

# Year Avg Temp
1 2019 82.5°F
2 2015 81.7°F
3 1996 81.4°F
4 1980 81.2°F
5 2022 81.0°F
6 1982 80.9°F
7 2017 80.8°F
8 2018 80.6°F
9 1981 80.5°F
10 1978 80.4°F

Warmest Months on Record (Any Month)

# Month Avg Temp
1 August 2020 83.7°F
2 September 2019 83.0°F
3 August 2015 82.9°F
4 July 2019 82.5°F
5 August 2022 82.3°F
6 September 2022 82.3°F
7 September 2015 82.2°F
8 September 2020 82.2°F
9 June 2020 81.8°F
10 July 2015 81.7°F

Nearby Stations — July 2026

How the same month ranked at the closest reporting stations

Station Avg Temp July Rank
Kahului, HI 79.6°F 24th of 72
Honolulu, HI 82.0°F 14th of 79
Hilo, HI 77.2°F 19th of 77
Lihue, HI 79.2°F 31st of 77
About this data. Monthly averages are the mean of daily average temperatures, computed from NOAA Threadex records via RCC ACIS. Months missing more than three days of observations are excluded from the rankings, so the in-progress month never appears. Rankings cover 859 complete months on record.