United States · 1991–2020

Best time to visit
Marine Corps Base Hawaii - MCBH.

February leads for comfortable weather in Marine Corps Base Hawaii - MCBH: typically 25.6°C by day, 20.3°C at night, with 60 mm of rain. Based on measured 1991–2020 NOAA station history.

Best comfortFebruary

Typical high25.6°C

Typical low20.3°C

Rain in February60 mm

Comfort

February

February · January · April

79climate match

Beach

May

May · June · August

89climate match

Outdoors

February

February · January · April

57climate match

The weakest month is October, scoring 61 against February’s 79 — nights stay at 23.8°C, and days average 28.6°C, 5° above the 24°C the score treats as ideal.

Month by month

The whole year,
without the guesswork.

The bars show the comfort score. Day and night temperatures come from daily observed highs and lows; rain is the historical monthly estimate.

Jan

7625.8° / 20.1°

Feb

7925.6° / 20.3°

Mar

7125.9° / 20.6°

Apr

7526.5° / 21.5°

May

7427.3° / 22.3°

Jun

6928° / 23.2°

Jul

6528.6° / 23.7°

Aug

6329.1° / 24.2°

Sep

6429.2° / 24.2°

Oct

6128.6° / 23.8°

Nov

6227.3° / 22.6°

Dec

6826.2° / 21.3°

Monthly climate evidence for Marine Corps Base Hawaii - MCBH — daylight is calculated from latitude, everything else is measured, sea temperature from the nearest open water 15 km away
Month	Day	Night	Rain	Wet days	Sea	Daylight	Comfort	Coverage
January	25.8°C	20.1°C	69 mm	7.4	24.3°C	10 h 57	76	Good coverage
February	25.6°C	20.3°C	60 mm	6.2	23.9°C	11 h 25	79	Good coverage
March	25.9°C	20.6°C	91 mm	8.6	23.9°C	11 h 58	71	Good coverage
April	26.5°C	21.5°C	43 mm	7.1	24.3°C	12 h 37	75	Good coverage
May	27.3°C	22.3°C	32 mm	5.5	24.9°C	13 h 09	74	Good coverage
June	28°C	23.2°C	28 mm	6.5	25.5°C	13 h 26	69	Good coverage
July	28.6°C	23.7°C	35 mm	8	25.9°C	13 h 19	65	Good coverage
August	29.1°C	24.2°C	33 mm	6.9	26.4°C	12 h 52	63	Good coverage
September	29.2°C	24.2°C	34 mm	6.1	26.7°C	12 h 14	64	Good coverage
October	28.6°C	23.8°C	58 mm	7.9	26.6°C	11 h 37	61	Good coverage
November	27.3°C	22.6°C	87 mm	9.5	25.9°C	11 h 05	62	Good coverage
December	26.2°C	21.3°C	87 mm	10.1	25.0°C	10 h 50	68	Good coverage

What has changed

Marine Corps Base Hawaii - MCBH runs +0.4°C
on the 1961–1990 baseline.

Each bar compares the 2011–2025 daytime average for that month against the same month in 1961–1990, measured at the same station. Months where the older record is too thin to compare are left blank.

Jan

+0.4

Feb

+0.5

Mar

+0.4

Apr

+0.7

May

+0.6

Jun

+0.5

Jul

+0.7

Aug

+0.6

Sep

+0.3

Oct

+0.3

Nov

+0.3

Dec

+0.1

February daytime highs, 2011–2025. Last recorded: 28.3°C.

Records at KANEOHE BAY MCAS, 1942–2026
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	31.7°C26 Jan 2024	12.2°C17 Jan 2003	214 mm23 Jan 1972	392 mm1949 · driest 0 mm in 2001	66
February	32.2°C28 Feb 2025	12.8°C3 Feb 1998	99 mm1 Feb 1969	408 mm1955 · driest 0 mm in 2017	67
March	35.0°C19 Mar 2014	12.2°C8 Mar 1942	295 mm5 Mar 1958	363 mm1958 · driest 1 mm in 2008	68
April	31.7°C19 Apr 2023	15.6°C29 Apr 1995	154 mm14 Apr 1981	399 mm1945 · driest 0 mm in 2014	68
May	32.2°C15 May 2024	15.6°C3 May 1996	92 mm15 May 1974	263 mm2024 · driest 0 mm in 2008	70
June	32.2°C14 Jun 1969	18.9°C5 Jun 2011	68 mm3 Jun 2011	158 mm2011 · driest 0 mm in 2016	69
July	33.9°C29 Jul 2012	16.7°C19 Jul 2017	63 mm24 Jul 2016	121 mm1993 · driest 0 mm in 2008	70
August	35.6°C29 Aug 2012	20.0°C28 Aug 1954	71 mm6 Aug 1959	147 mm1958 · driest 0 mm in 2008	69
September	35.6°C15 Sep 2012	18.9°C28 Sep 1996	56 mm1 Sep 1968	125 mm1992 · driest 0 mm in 2007	69
October	34.4°C9 Oct 2024	16.1°C7 Oct 2017	135 mm30 Oct 1978	259 mm1989 · driest 0 mm in 2013	67
November	32.8°C28 Nov 2013	13.9°C14 Nov 2017	231 mm28 Nov 1954	406 mm1954 · driest 0 mm in 2012	68
December	32.8°C3 Dec 2024	12.8°C29 Dec 1996	224 mm6 Dec 2021	400 mm1987 · driest 0 mm in 2016	70

Typical days per month at KANEOHE BAY MCAS, 1991–2020
Month	Days 25°C+	Days 30°C+	Heavy rain (10 mm+)
January	23	0	2
February	21	<1	2
March	23	<1	2
April	26	<1	<1
May	29	<1	1
June	29	<1	<1
July	30	3	<1
August	29	5	<1
September	29	6	<1
October	30	4	1
November	28	<1	2
December	27	<1	2

How often, not how much — every day in KANEOHE BAY MCAS’s record sorted by what it was actually like, rather than averaged
Month	Warm & dry days	Wet days	Washouts	Week with 3+ wet days	Daytime mean has ranged
January	70%	30%	8%	35%	24.8–27.0°C
February	70%	30%	7%	38%	24.5–27.1°C
March	67%	33%	7%	42%	24.5–27.4°C
April	68%	32%	5%	38%	25.2–27.7°C
May	74%	26%	4%	30%	25.8–28.4°C
June	73%	27%	1%	37%	26.9–29.3°C
July	68%	32%	2%	43%	27.2–29.9°C
August	71%	29%	2%	35%	27.9–30.4°C
September	72%	28%	3%	33%	28.1–30.2°C
October	69%	31%	5%	42%	27.7–29.7°C
November	62%	37%	7%	50%	26.3–28.5°C
December	62%	37%	8%	48%	25.2–27.4°C

A warm and dry day reaches 20°C with under 1 mm of rain; a wet day gets 1 mm or more; a washout gets 10 mm or more. The week column is the share of seven-day stretches in that month, across the station’s whole daily record, that contained three or more wet days — the odds a week-long trip is rained on repeatedly, counted rather than modelled. The last column is the 10th to 90th percentile of that month’s daytime average across individual years: a narrow band means the average is what you will get, a wide one means the average is a midpoint between years that felt quite different.

1942Each stripe is one year’s mean temperature against the 52-year average. Warmest: 2023. Coolest: 1948.2023

The evidence behind this page

Nearby, measured,
and named.

Place identity: GeoNames 7262734
NOAA station: USW00022519 · KANEOHE BAY MCAS
Station distance: 2.1 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 21 usable years
Daylight: Calculated from latitude 21.44°, mid-month, sunrise to sunset including refraction. Not a station measurement.
Sea temperature: NOAA OISST v2.1 1991–2020 monthly climatology, nearest open water 15 km from the place centre. A sheltered bay can run warmer than the open sea it is measured from.
Important limit: Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.

These places read the same station, so their numbers are identical — distance from KANEOHE BAY MCAS is what differs

Kailua→Kalaheo Hillside→Māla‘e→Aikahi Park→Kaimalino→Beachside→

Or put two places side by side: Marine Corps Base Hawaii - MCBH vs Kailua

Best time to visitMarine Corps Base Hawaii - MCBH.

February

May

February

The whole year,without the guesswork.

Marine Corps Base Hawaii - MCBH runs +0.4°Con the 1961–1990 baseline.

Nearby, measured,and named.

Best time to visit
Marine Corps Base Hawaii - MCBH.

The whole year,
without the guesswork.

Marine Corps Base Hawaii - MCBH runs +0.4°C
on the 1961–1990 baseline.

Nearby, measured,
and named.