United States · 1991–2020

Best time to visit
Dowsett Highlands.

February leads for comfortable weather in Dowsett Highlands: typically 24.7°C by day, 17.5°C at night, with 230 mm of rain. Based on measured 1991–2020 NOAA station history.

Best comfortFebruary

Typical high24.7°C

Typical low17.5°C

Rain in February230 mm

Comfort

February

February · January · May

55climate match

Beach

May

May · February · September

32climate match

Outdoors

February

February · January · May

26climate match

The weakest month is July, scoring 12 against February’s 55 — 383 mm of rain falls.

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

5024.8° / 17.4°

Feb

5524.7° / 17.5°

Mar

3524.6° / 17.9°

Apr

3324.9° / 18.7°

May

4225.8° / 19.5°

Jun

2426° / 20.4°

Jul

1226.5° / 21.1°

Aug

1927° / 21.4°

Sep

2027.5° / 21.2°

Oct

2027.1° / 20.8°

Nov

1825.9° / 19.9°

Dec

2825° / 18.7°

Monthly climate evidence for Dowsett Highlands — daylight is calculated from latitude, everything else is measured, sea temperature from the nearest open water 6 km away
Month	Day	Night	Rain	Wet days	Sea	Daylight	Comfort	Coverage
January	24.8°C	17.4°C	270 mm	14.7	24.4°C	10 h 58	50	Strong coverage
February	24.7°C	17.5°C	230 mm	14.5	24.0°C	11 h 25	55	Strong coverage
March	24.6°C	17.9°C	350 mm	18.5	24.0°C	11 h 58	35	Strong coverage
April	24.9°C	18.7°C	325 mm	21.3	24.4°C	12 h 37	33	Strong coverage
May	25.8°C	19.5°C	243 mm	19.6	25.0°C	13 h 08	42	Strong coverage
June	26°C	20.4°C	329 mm	23.9	25.7°C	13 h 25	24	Strong coverage
July	26.5°C	21.1°C	383 mm	25.7	26.0°C	13 h 19	12	Strong coverage
August	27°C	21.4°C	323 mm	24.3	26.5°C	12 h 52	19	Strong coverage
September	27.5°C	21.2°C	319 mm	22.4	26.8°C	12 h 14	20	Strong coverage
October	27.1°C	20.8°C	335 mm	22	26.7°C	11 h 37	20	Strong coverage
November	25.9°C	19.9°C	392 mm	21.3	26.0°C	11 h 06	18	Strong coverage
December	25°C	18.7°C	367 mm	20.5	25.1°C	10 h 50	28	Strong coverage

What has changed

Dowsett Highlands runs -0.8°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

-0.9

Feb

-1.1

Mar

-0.7

Apr

0.0

May

-0.5

Jun

-0.5

Jul

-0.5

Aug

-0.7

Sep

-0.8

Oct

-1.0

Nov

-1.1

Dec

-1.5

February daytime highs, 2011–2025. Last recorded: 25.8°C.

Records at MANOA LYON ARBO 785.2, 1975–2026
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	31.1°C11 Jan 1994	11.1°C31 Jan 1998	237 mm1 Jan 1988	646 mm1988 · driest 31 mm in 1986	51
February	30.6°C24 Feb 1988	10.0°C10 Feb 1981	159 mm28 Feb 1995	788 mm1979 · driest 23 mm in 2015	51
March	32.2°C9 Mar 1986	11.1°C12 Mar 1976	337 mm25 Mar 1994	794 mm1980 · driest 54 mm in 1983	52
April	30.0°C5 Apr 2016	13.3°C2 Apr 2013	198 mm20 Apr 1977	864 mm1989 · driest 91 mm in 1992	52
May	31.7°C27 May 2025	13.3°C10 May 1987	198 mm12 May 1988	702 mm1988 · driest 40 mm in 2009	52
June	31.7°C2 Jun 2009	15.0°C3 Jun 1982	141 mm5 Jun 2007	667 mm1998 · driest 96 mm in 2006	52
July	31.7°C23 Jul 1987	16.1°C19 Jul 1993	141 mm22 Jul 1993	671 mm1993 · driest 115 mm in 2013	52
August	32.2°C13 Aug 1989	16.1°C26 Aug 1983	152 mm24 Aug 2021	770 mm2018 · driest 81 mm in 2022	50
September	33.3°C4 Sep 1987	17.2°C7 Sep 1995	179 mm13 Sep 2018	834 mm2015 · driest 100 mm in 1975	51
October	32.8°C25 Oct 1984	15.0°C27 Oct 1993	281 mm31 Oct 2004	725 mm2018 · driest 49 mm in 2012	51
November	32.2°C5 Nov 1981	13.9°C27 Nov 1985	205 mm10 Nov 2013	707 mm1990 · driest 34 mm in 1989	51
December	31.1°C3 Dec 1982	9.4°C22 Dec 1983	212 mm31 Dec 1987	977 mm2021 · driest 43 mm in 1976	51

Typical days per month at MANOA LYON ARBO 785.2, 1991–2020
Month	Days 25°C+	Days 30°C+	Heavy rain (10 mm+)
January	17	0	7
February	14	0	6
March	15	0	9
April	14	0	9
May	21	<1	7
June	23	<1	11
July	27	<1	11
August	28	<1	10
September	28	2	9
October	27	2	9
November	21	<1	10
December	17	<1	10

How often, not how much — every day in MANOA LYON ARBO 785.2’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	51%	49%	22%	63%	23.8–26.2°C
February	47%	53%	24%	73%	23.5–26.6°C
March	37%	63%	31%	78%	23.5–26.3°C
April	27%	73%	35%	90%	23.8–26.1°C
May	30%	70%	29%	89%	24.8–26.7°C
June	21%	79%	35%	95%	24.9–27.2°C
July	18%	82%	40%	98%	25.7–27.4°C
August	23%	77%	34%	96%	26.3–28.2°C
September	26%	74%	30%	93%	27.0–28.8°C
October	31%	69%	30%	90%	26.2–28.5°C
November	31%	69%	34%	86%	25.2–27.4°C
December	37%	63%	30%	78%	23.9–26.6°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.

1976Each stripe is one year’s mean temperature against the 48-year average. Warmest: 1988. Coolest: 1976.2025

The evidence behind this page

Nearby, measured,
and named.

Place identity: GeoNames 7306109
NOAA station: USC00516128 · MANOA LYON ARBO 785.2
Station distance: 3.3 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 29 usable years
Daylight: Calculated from latitude 21.34°, mid-month, sunrise to sunset including refraction. Not a station measurement.
Sea temperature: NOAA OISST v2.1 1991–2020 monthly climatology, nearest open water 6 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 MANOA LYON ARBO 785.2 is what differs

Makiki / Lower Punchbowl / Tantalus→Liliha - Kapalama→Manoa→Kalihi Valley→Nuuanu - Punchbowl→Palolo→

Or put two places side by side: Dowsett Highlands vs Makiki / Lower Punchbowl / Tantalus

Best time to visitDowsett Highlands.

February

May

February

The whole year,without the guesswork.

Dowsett Highlands runs -0.8°Con the 1961–1990 baseline.

Nearby, measured,and named.

Best time to visit
Dowsett Highlands.

The whole year,
without the guesswork.

Dowsett Highlands runs -0.8°C
on the 1961–1990 baseline.

Nearby, measured,
and named.