United States · 1991–2020

Best time to visit
Saybrook.

September leads for comfortable weather in Saybrook: typically 25.3°C by day, 11.2°C at night, with 69 mm of rain. Based on measured 1991–2020 NOAA station history.

Best comfortSeptember

Typical high25.3°C

Typical low11.2°C

Rain in September69 mm

Comfort

September

September · June · May

82climate match

Beach

July

July · August · June

74climate match

Outdoors

October

October · September · May

74climate match

The weakest month is January, scoring 5 against September’s 82 — days reach only 0.1°C, 24° below 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

50.1° / -8.5°

Feb

52.8° / -6.5°

Mar

129.1° / -1.7°

Apr

4216.4° / 3.9°

May

7122.6° / 10.6°

Jun

7427.3° / 15.7°

Jul

6628.9° / 17.5°

Aug

6928.2° / 16.4°

Sep

8225.3° / 11.2°

Oct

5418.2° / 5.2°

Nov

159.5° / -0.2°

Dec

52.5° / -5.6°

Monthly climate evidence for Saybrook — daylight is calculated from latitude, everything else is measured
Month	Day	Night	Rain	Wet days	Daylight	Comfort	Coverage
January	0.1°C	-8.5°C	50 mm	6.8	9 h 35	5	Good coverage
February	2.8°C	-6.5°C	42 mm	5.3	10 h 36	5	Good coverage
March	9.1°C	-1.7°C	65 mm	7.9	11 h 49	12	Good coverage
April	16.4°C	3.9°C	89 mm	9.1	13 h 13	42	Good coverage
May	22.6°C	10.6°C	108 mm	9.7	14 h 24	71	Good coverage
June	27.3°C	15.7°C	100 mm	8.5	15 h 02	74	Good coverage
July	28.9°C	17.5°C	101 mm	7.4	14 h 47	66	Good coverage
August	28.2°C	16.4°C	108 mm	7.7	13 h 46	69	Good coverage
September	25.3°C	11.2°C	69 mm	5.8	12 h 25	82	Good coverage
October	18.2°C	5.2°C	76 mm	7.1	11 h 03	54	Good coverage
November	9.5°C	-0.2°C	77 mm	7.8	9 h 53	15	Good coverage
December	2.5°C	-5.6°C	51 mm	6.6	9 h 18	5	Good coverage

Records at GIBSON CITY, 1942–2008
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	18.3°C8 Jan 2008	-31.7°C5 Jan 1999	89 mm8 Jan 2008	112 mm2008 · driest 10 mm in 1986	26
February	22.8°C27 Feb 1996	-27.2°C10 Feb 1982	53 mm25 Feb 2001	131 mm1990 · driest 2 mm in 1987	28
March	28.9°C30 Mar 1986	-18.9°C9 Mar 1984	90 mm27 Mar 2004	156 mm2004 · driest 14 mm in 1986	28
April	32.2°C27 Apr 1986	-15.6°C7 Apr 1982	86 mm12 Apr 1994	151 mm1981 · driest 32 mm in 2004	26
May	34.4°C29 May 1991	-2.2°C7 May 1989	68 mm31 May 2004	211 mm1995 · driest 21 mm in 2007	26
June	39.4°C26 Jun 1988	2.8°C1 Jun 2003	65 mm21 Jun 2000	244 mm1998 · driest 5 mm in 1988	27
July	38.9°C16 Jul 1988	7.8°C1 Jul 1988	61 mm18 Jul 2007	193 mm1981 · driest 12 mm in 1983	27
August	39.4°C19 Aug 1988	2.8°C29 Aug 1986	88 mm23 Aug 2002	211 mm1981 · driest 24 mm in 1984	27
September	35.6°C3 Sep 2000	-2.8°C23 Sep 1995	77 mm1 Sep 1989	177 mm1993 · driest 20 mm in 1998	27
October	31.7°C8 Oct 2007	-8.3°C24 Oct 1981	70 mm4 Oct 1991	203 mm1991 · driest 21 mm in 1992	28
November	26.1°C2 Nov 2000	-16.7°C8 Nov 1991	54 mm20 Nov 1991	237 mm1985 · driest 6 mm in 1999	29
December	20.6°C5 Dec 1998	-30.6°C24 Dec 1983	65 mm29 Dec 1990	150 mm1990 · driest 9 mm in 1989	28

Typical days per month at GIBSON CITY, 1991–2020
Month	Days 25°C+	Days 30°C+	Frost nights	Heavy rain (10 mm+)	Snow days
January	0	0	28	1	4
February	0	0	25	1	3
March	<1	0	21	2	2
April	3	<1	6	3	<1
May	12	3	<1	4	0
June	22	10	0	4	0
July	27	12	0	3	0
August	26	10	0	3	0
September	17	6	<1	3	0
October	5	<1	5	3	<1
November	<1	0	17	3	<1
December	0	0	26	2	3

How often, not how much — every day in GIBSON CITY’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	0%	20%	4%	17%	-2.8–4.7°C
February	<1%	21%	5%	20%	-1.4–5.6°C
March	6%	26%	8%	29%	6.2–11.4°C
April	21%	31%	11%	37%	13.8–19.1°C
May	50%	30%	12%	36%	19.6–26.4°C
June	69%	27%	11%	30%	25.6–29.8°C
July	76%	23%	10%	21%	27.5–30.8°C
August	76%	21%	9%	18%	26.0–31.2°C
September	69%	21%	9%	18%	23.5–27.3°C
October	30%	21%	8%	21%	15.7–19.7°C
November	5%	24%	8%	21%	6.6–12.6°C
December	<1%	22%	6%	21%	-2.6–6.1°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.

1981Each stripe is one year’s mean temperature against the 23-year average. Warmest: 1998. Coolest: 1989.2007

The evidence behind this page

Nearby, measured,
and named.

Place identity: GeoNames 4910679
NOAA station: USC00113413 · GIBSON CITY
Station distance: 14.6 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 16 usable years
Daylight: Calculated from latitude 40.43°, mid-month, sunrise to sunset including refraction. Not a station measurement.
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 GIBSON CITY is what differs

Gibson City→Melvin→Bellflower→Arrowsmith→Elliott→Sibley→

Or put two places side by side: Saybrook vs Gibson City

Best time to visitSaybrook.