United States · 1991–2020

Best time to visit
Winchester Bay.

August leads for comfortable weather in Winchester Bay: typically 21.5°C by day, 11°C at night, with 16 mm of rain. Based on measured 1991–2020 NOAA station history.

Best comfortAugust

Typical high21.5°C

Typical low11°C

Rain in August16 mm

Comfort

August

August · July · September

85climate match

Beach

August

August · July · September

50climate match

Outdoors

July

July · August · September

96climate match

The weakest month is January, scoring 5 against August’s 85 — days reach only 12°C, 12° below the 24°C the score treats as ideal, and 281 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

512° / 3.8°

Feb

1213.1° / 4°

Mar

513.7° / 4.1°

Apr

2314.8° / 5.2°

May

4616.9° / 7.3°

Jun

6518.7° / 9.4°

Jul

8221° / 10.7°

Aug

8521.5° / 11°

Sep

8121.4° / 9.5°

Oct

4918.3° / 7.7°

Nov

514.2° / 5.7°

Dec

511.6° / 3.6°

Monthly climate evidence for Winchester Bay — daylight is calculated from latitude, everything else is measured, sea temperature from the nearest open water 17 km away
Month	Day	Night	Rain	Wet days	Sea	Daylight	Comfort	Coverage
January	12°C	3.8°C	281 mm	17.5	10.3°C	9 h 16	5	Strong coverage
February	13.1°C	4°C	194 mm	14.4	10.3°C	10 h 25	12	Strong coverage
March	13.7°C	4.1°C	237 mm	17.5	10.3°C	11 h 47	5	Good coverage
April	14.8°C	5.2°C	160 mm	15.4	10.9°C	13 h 22	23	Good coverage
May	16.9°C	7.3°C	101 mm	11	11.9°C	14 h 41	46	Good coverage
June	18.7°C	9.4°C	59 mm	7.4	12.9°C	15 h 25	65	Good coverage
July	21°C	10.7°C	13 mm	2.5	13.0°C	15 h 08	82	Good coverage
August	21.5°C	11°C	16 mm	2.3	13.4°C	13 h 59	85	Good coverage
September	21.4°C	9.5°C	34 mm	3.7	13.5°C	12 h 27	81	Good coverage
October	18.3°C	7.7°C	126 mm	9.9	12.7°C	10 h 56	49	Strong coverage
November	14.2°C	5.7°C	277 mm	17.3	11.8°C	9 h 36	5	Good coverage
December	11.6°C	3.6°C	320 mm	17.6	10.9°C	8 h 57	5	Good coverage

Records at WINCHESTER BAY COAST GRD, 1983–2017
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	21.1°C26 Jan 2015	-7.8°C9 Jan 2017	130 mm17 Jan 2011	455 mm1995 · driest 19 mm in 1985	34
February	25.6°C26 Feb 1992	-10.0°C4 Feb 1989	87 mm13 Feb 1984	468 mm1986 · driest 1 mm in 2005	33
March	25.6°C31 Mar 2003	-6.7°C13 Mar 2012	81 mm23 Mar 1993	454 mm1989 · driest 57 mm in 1992	33
April	28.9°C10 Apr 1989	-2.8°C14 Apr 2008	91 mm2 Apr 2012	282 mm1993 · driest 22 mm in 2006	33
May	32.2°C1 May 2014	-0.6°C31 May 1984	77 mm10 May 2005	182 mm1998 · driest 5 mm in 2016	33
June	30.6°C28 Jun 1995	1.1°C16 Jun 2008	65 mm7 Jun 1985	121 mm2010 · driest 4 mm in 2003	34
July	31.7°C26 Jul 1988	4.4°C9 Jul 2007	32 mm22 Jul 1993	81 mm1983 · driest 0 mm in 2003	33
August	32.2°C12 Aug 1992	4.4°C27 Aug 2012	32 mm20 Aug 2008	74 mm1989 · driest 0 mm in 2005	34
September	35.0°C8 Sep 2014	1.1°C27 Sep 1999	51 mm24 Sep 2014	129 mm1986 · driest 0 mm in 2012	34
October	35.0°C11 Oct 1991	-1.7°C24 Oct 2013	78 mm11 Oct 1995	300 mm1990 · driest 6 mm in 1987	34
November	21.1°C9 Nov 2016	-4.4°C24 Nov 1985	135 mm19 Nov 1996	567 mm1984 · driest 42 mm in 2007	34
December	19.4°C1 Dec 2008	-12.8°C21 Dec 1990	91 mm31 Dec 2002	555 mm1996 · driest 10 mm in 2013	34

Typical days per month at WINCHESTER BAY COAST GRD, 1991–2020
Month	Days 25°C+	Days 30°C+	Frost nights	Heavy rain (10 mm+)
January	0	0	3	7
February	<1	0	3	6
March	0	0	2	6
April	<1	0	1	5
May	<1	<1	<1	3
June	<1	0	0	2
July	1	<1	0	<1
August	2	<1	0	<1
September	3	<1	0	1
October	2	<1	<1	3
November	0	0	1	7
December	0	0	3	8

How often, not how much — every day in WINCHESTER BAY COAST GRD’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	<1%	57%	30%	74%	10.7–13.2°C
February	2%	54%	26%	73%	11.3–15.6°C
March	3%	57%	26%	68%	12.1–15.6°C
April	6%	49%	17%	63%	13.2–16.5°C
May	12%	37%	12%	43%	15.2–18.8°C
June	22%	26%	6%	26%	17.3–19.6°C
July	60%	9%	1%	5%	19.5–22.2°C
August	71%	8%	2%	5%	20.1–22.2°C
September	54%	14%	4%	14%	19.8–22.5°C
October	22%	32%	14%	42%	17.4–19.5°C
November	1%	61%	32%	83%	12.6–15.7°C
December	0%	56%	32%	72%	9.6–12.7°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.

1984Each stripe is one year’s mean temperature against the 31-year average. Warmest: 2014. Coolest: 1999.2015

The evidence behind this page

Nearby, measured,
and named.

Place identity: GeoNames 5761316
NOAA station: USC00353193 · WINCHESTER BAY COAST GRD
Station distance: 0.5 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 21 usable years
Daylight: Calculated from latitude 43.68°, mid-month, sunrise to sunset including refraction. Not a station measurement.
Sea temperature: NOAA OISST v2.1 1991–2020 monthly climatology, nearest open water 17 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 WINCHESTER BAY COAST GRD is what differs

Reedsport→Lakeside→Gardiner→East Gardiner→Templeton→Tenmile→

Or put two places side by side: Winchester Bay vs Reedsport

Best time to visitWinchester Bay.

August

August

July

The whole year,without the guesswork.

Nearby, measured,and named.

Best time to visit
Winchester Bay.

The whole year,
without the guesswork.

Nearby, measured,
and named.