United States · 1991–2020

Best time to visit
Concord.

August leads for comfortable weather in Concord: typically 26.3°C by day, 13.7°C at night, with 100 mm of rain. Based on measured 1991–2020 NOAA station history.

Best comfortAugust

Typical high26.3°C

Typical low13.7°C

Rain in August100 mm

Comfort

August

August · June · September

75climate match

Beach

July

July · August · June

54climate match

Outdoors

September

September · May · June

76climate match

The weakest month is January, scoring 5 against August’s 75 — days reach only -2°C, 26° 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

5-2° / -12.8°

Feb

50.3° / -12°

Mar

55.7° / -6.7°

Apr

2613.7° / 0°

May

5921° / 6.5°

Jun

7325.3° / 11.8°

Jul

7027.3° / 14.6°

Aug

7526.3° / 13.7°

Sep

7222.3° / 9.6°

Oct

3414.9° / 3.5°

Nov

57.2° / -2.1°

Dec

50.6° / -8.2°

Monthly climate evidence for Concord — daylight is calculated from latitude, everything else is measured
Month	Day	Night	Rain	Wet days	Daylight	Comfort	Coverage
January	-2°C	-12.8°C	67 mm	10	9 h 11	5	Strong coverage
February	0.3°C	-12°C	56 mm	8.7	10 h 22	5	Strong coverage
March	5.7°C	-6.7°C	63 mm	9.1	11 h 46	5	Strong coverage
April	13.7°C	0°C	80 mm	10.1	13 h 24	26	Strong coverage
May	21°C	6.5°C	95 mm	10.9	14 h 46	59	Strong coverage
June	25.3°C	11.8°C	103 mm	11.2	15 h 31	73	Strong coverage
July	27.3°C	14.6°C	115 mm	11.2	15 h 13	70	Strong coverage
August	26.3°C	13.7°C	100 mm	9.2	14 h 02	75	Strong coverage
September	22.3°C	9.6°C	86 mm	9.1	12 h 28	72	Strong coverage
October	14.9°C	3.5°C	100 mm	10.2	10 h 54	34	Strong coverage
November	7.2°C	-2.1°C	77 mm	9.1	9 h 32	5	Strong coverage
December	0.6°C	-8.2°C	81 mm	11.3	8 h 51	5	Strong coverage

What has changed

Concord 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

+1.1

Feb

+1.2

Mar

+0.8

Apr

+0.6

May

+0.7

Jun

-0.2

Jul

+0.2

Aug

+0.5

Sep

+1.6

Oct

+1.1

Nov

+0.6

Dec

+1.9

August daytime highs, 2011–2025. Last recorded: 27.6°C.

Records at SAINT JOHNSBURY, 1894–2026
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	17.2°C5 Jan 1950	-38.9°C14 Jan 1914	46 mm26 Jan 1986	173 mm1979 · driest 11 mm in 1981	131
February	18.3°C21 Feb 2018	-41.7°C16 Feb 1943	54 mm25 Feb 1969	134 mm2008 · driest 10 mm in 1987	132
March	28.9°C31 Mar 1998	-32.8°C4 Mar 1950	56 mm7 Mar 2011	172 mm1913 · driest 8 mm in 1915	133
April	33.3°C28 Apr 1990	-18.9°C4 Apr 1954	53 mm29 Apr 2008	158 mm2000 · driest 13 mm in 1941	133
May	35.6°C22 May 1911	-7.2°C2 May 1903	120 mm27 May 2011	283 mm2011 · driest 1 mm in 1903	132
June	38.3°C4 Jun 1919	-1.1°C5 Jun 1910	87 mm30 Jun 1973	245 mm1973 · driest 17 mm in 1936	132
July	38.3°C3 Jul 1911	2.2°C8 Jul 1969	205 mm30 Jul 2024	436 mm2024 · driest 25 mm in 1919	133
August	37.8°C8 Aug 1909	0.6°C31 Aug 1965	110 mm5 Aug 1989	230 mm2011 · driest 24 mm in 2002	130
September	35.0°C16 Sep 1939	-5.6°C23 Sep 1904	115 mm17 Sep 1999	219 mm1907 · driest 17 mm in 1908	130
October	33.3°C10 Oct 1909	-11.1°C31 Oct 1925	81 mm1 Oct 2010	218 mm2005 · driest 8 mm in 1924	131
November	25.0°C2 Nov 1950	-25.0°C26 Nov 1938	112 mm4 Nov 1927	237 mm1927 · driest 15 mm in 1939	131
December	19.4°C7 Dec 1998	-41.7°C30 Dec 1917	64 mm12 Dec 1952	201 mm1973 · driest 24 mm in 1896	129

Typical days per month at SAINT JOHNSBURY, 1991–2020
Month	Days 25°C+	Days 30°C+	Frost nights	Heavy rain (10 mm+)	Snow days
January	0	0	30	2	15
February	0	0	27	2	12
March	<1	0	27	2	9
April	2	<1	16	3	4
May	8	2	4	3	<1
June	17	5	0	4	0
July	25	6	0	4	0
August	22	4	0	3	0
September	9	1	<1	2	0
October	<1	0	9	3	<1
November	0	0	20	3	6
December	0	0	28	3	13

The best month has moved. On the 1961–1990 numbers the strongest month here was August (scoring 79); on 2011–2025 it is September (83). Both are scored the same way, from the same station — only the climate underneath changed.

How often, not how much — every day in SAINT JOHNSBURY’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%	32%	6%	40%	-5.5–1.1°C
February	0%	31%	6%	37%	-3.5–2.5°C
March	1%	31%	6%	40%	2.4–8.3°C
April	12%	33%	8%	42%	10.0–15.9°C
May	42%	34%	9%	45%	17.7–23.3°C
June	60%	36%	11%	46%	23.3–27.2°C
July	66%	34%	11%	43%	25.7–29.4°C
August	68%	31%	11%	35%	24.6–28.2°C
September	49%	30%	10%	38%	20.0–24.0°C
October	17%	30%	9%	37%	12.4–17.4°C
November	1%	32%	9%	41%	4.2–9.5°C
December	0%	33%	7%	44%	-3.2–2.6°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.

1895Each stripe is one year’s mean temperature against the 124-year average. Warmest: 2024. Coolest: 1904.2025

The evidence behind this page

Nearby, measured,
and named.

Place identity: GeoNames 5235101
NOAA station: USC00437054 · SAINT JOHNSBURY
Station distance: 10.3 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 30 usable years
Daylight: Calculated from latitude 44.43°, 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 SAINT JOHNSBURY is what differs

St Johnsbury→Saint Johnsbury→Monroe→Danville→Barnet→Parker Hill→

Or put two places side by side: Concord vs St Johnsbury

Best time to visitConcord.