Is this weather normal in Hawaii County?

Hawaii · county records since 1991, through September 2026.

Weather › Hawaii › Hawaii County

Hawaii County just had its warmest September ever recorded, +3° against the usual. 12.2 inches fell in September, the 2nd-most for a September there in 36 years.

This week

Usual for Oct 28 to Nov 3: highs near 72°, lows near 56°

That is the 1991 to 2020 average for these dates in Hawaii County. The Weather Service forecast fills in below.

Loading the forecast...

usual high for the datewarmercooler

The last 12 months

Oct: 0.0°OctNov: +0.3°NovDec: +1.0°DecJan 2026: +0.9°JanFeb: +0.4°FebMar: +1.8°MarApr: +1.8°AprMay: +0.6°MayJun: +0.5°JunJul: +0.9°JulAug: +1.9°AugSep: +2.6°Sepwarmercooler

Each bar is a month's average temperature against the usual for that month (1991 to 2020). Ranks compare the same month in every year since 1991.

Every year since 1991

19912025

Rain and drought

Oct: -1.4 inOctNov: -0.8 inNovDec: -4.2 inDecJan 2026: +0.5 inJanFeb: +2.4 inFebMar: +10.3 inMarApr: +0.3 inAprMay: +2.4 inMayJun: +4.1 inJunJul: +0.6 inJulAug: +13.8 inAugSep: +7.6 inSepwetterdrier

Rain and melted snow against the usual for each month. The drought reading is NOAA's Palmer index for the county.

Month by month in Hawaii County

MonthUsual high / lowUsual rainWarmestColdest
January69° / 52°4.9 in62.9° 201058.5° 1994
February69° / 52°5.0 in62.9° 201458.2° 1993
March69° / 53°6.8 in63.1° 201758.4° 2009
April70° / 54°5.2 in63.9° 201859.5° 1998
May71° / 55°4.3 in65.0° 200460.5° 1998
June73° / 57°3.7 in66.6° 201962.7° 1991
July74° / 58°4.9 in67.6° 201963.9° 1998
August74° / 58°5.8 in68.7° 201964.6° 1998
September74° / 58°4.6 in68.4° 201963.8° 1998
October73° / 57°5.3 in67.1° 201563.7° 1998
November71° / 56°6.7 in65.7° 201961.7° 1993
December70° / 54°6.0 in64.0° 201959.4° 1997

Warmest and coldest are the month's whole-month average temperature, with the year it happened.

Towns in Hawaii County

Nearby counties