Hilo, HI
Hawaii · Records since 1949–2026
Records for November 12
🔥 Record High
November 12, 2019
+7° from 80° normal❄ Record Low
November 12, 1993
-6° from 68° normalAll-Time Records — Hilo
First & Last Dates — Hilo
How early and how late each seasonal turning point has ever arrived, across the full period of record
Top 10 Record Highs — November 12
| # | Temp | Date |
|---|---|---|
| 🏆 | 87°F | November 12, 2019 |
| 2 | 86°F | November 12, 2021 |
| 3 | 86°F | November 12, 1988 |
| 4 | 86°F | November 12, 1968 |
| 5 | 85°F | November 12, 2020 |
| 6 | 85°F | November 12, 1996 |
| 7 | 85°F | November 12, 1991 |
| 8 | 85°F | November 12, 1954 |
| 9 | 84°F | November 12, 2004 |
| 10 | 84°F | November 12, 2002 |
Top 5 Record Lows — November 12
| # | Temp | Date |
|---|---|---|
| 🥶 | 62°F | November 12, 1993 |
| 2 | 62°F | November 12, 1949 |
| 3 | 63°F | November 12, 2012 |
| 4 | 63°F | November 12, 2001 |
| 5 | 63°F | November 12, 1972 |
Heat Wave Summary — Hilo
threshold: 86°F (90th percentile of historical Jun–Aug highs)Days ≥ 90°F Per Year
1950–2026Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Hilo
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Sep 11, 2014 – Oct 7, 2014 | 27 | 93°F (Sep 26) | 88°F | 71°F |
| 2 | Aug 8, 2019 – Sep 3, 2019 | 27 | 89°F (Aug 16) | 88°F | 73°F |
| 3 | Sep 19, 2019 – Oct 9, 2019 | 21 | 92°F (Sep 27) | 88°F | 74°F |
| 4 | Jun 27, 2015 – Jul 16, 2015 | 20 | 90°F (Jul 12) | 87°F | 72°F |
| 5 | Aug 25, 2015 – Sep 12, 2015 | 19 | 93°F (Sep 2) | 90°F | 73°F |
| 6 | Oct 28, 2019 – Nov 15, 2019 | 19 | 90°F (Nov 2) | 87°F | 71°F |
| 7 | Sep 30, 2020 – Oct 17, 2020 | 18 | 90°F (Oct 12) | 88°F | 70°F |
| 8 | Aug 30, 2004 – Sep 15, 2004 | 17 | 89°F (Sep 7) | 87°F | 70°F |
| 9 | Sep 3, 2013 – Sep 18, 2013 | 16 | 88°F (Sep 7) | 87°F | 69°F |
| 10 | Sep 28, 1996 – Oct 10, 1996 | 13 | 90°F (Oct 1) | 88°F | 68°F |
Heat Waves Per Year
Warm Summer Nights (Jun–Aug)
Nights where the overnight low exceeded the 1991–2020 normal low
Above-Normal Summer Nights Per Year
Average June–August Low by Decade
Overnight lows · complete decades only
Precipitation
Annual totals and trend across the full period of record · see this year's standing →
Monthly Precipitation — Last 24 Months
Blue = actual · dashed line = monthly normal
Annual Precipitation Per Year (1949–2026)
Blue = above average · tan = below average · gold = 2026 (partial)
Since 1949, annual totals have trended
-2.15" per decade,
about -16.4"
across the record.
Heavy Rain Days Per Year (≥ 1.0")
Compare year-to-year changes in days with heavy rainfall (≥ 1.0")
This Year — 2026
How Hilo is tracking against normal, year to date
Daily High Temperature vs Normal
182 of 314 days with data were above the 1991–2020 normal high for their date.
Precipitation, Year to Date
Accumulation vs. Normal
Running total since Jan 1 against the normal pace for the same date · Hilo is 45.46" ahead of the normal pace
Period Review — Nov 1 – Nov 11, 2026
Any window, evaluated against every other year on record — 11 days
Average Temperature by Year — Nov 1 – Nov 11
1949–2026 · 2026 highlighted · trend +0.31° per decade (warming since 1949)
Precipitation by Year — Nov 1 – Nov 11
1949–2025 · 2026 highlighted · trend -0.02" per decade (drier since 1949)
Warmest Nov 1 – Nov 11 on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 2026 | 79.3°F |
| 2 | 2019 | 78.9°F |
| 3 | 2020 | 78.6°F |
| 4 | 1996 | 77.1°F |
| 5 | 1988 | 77.0°F |
| 6 | 2015 | 77.0°F |
| 7 | 2006 | 76.9°F |
| 8 | 2023 | 76.6°F |
| 9 | 1968 | 76.5°F |
| 10 | 1986 | 76.5°F |
Coolest Nov 1 – Nov 11 on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 1964 | 72.0°F |
| 2 | 1949 | 72.1°F |
| 3 | 1953 | 72.4°F |
| 4 | 1999 | 72.8°F |
| 5 | 1956 | 72.9°F |
| 6 | 1985 | 72.9°F |
| 7 | 1960 | 73.0°F |
| 8 | 1970 | 73.0°F |
| 9 | 1998 | 73.1°F |
| 10 | 1979 | 73.1°F |