United States · 1991–2020

Best time to visit
Granville.

September leads for comfortable weather in Granville: typically 25.4°C by day, 11.4°C at night, with 80 mm of rain. Based on measured 1991–2020 NOAA station history.

Best comfortSeptember

Typical high25.4°C

Typical low11.4°C

Rain in September80 mm

Comfort

September

September · June · August

79climate match

Beach

July

July · August · June

70climate match

Outdoors

October

October · September · May

74climate match

The weakest month is January, scoring 5 against September’s 79 — days reach only 2.6°C, 21° 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

52.6° / -6.8°

Feb

54.4° / -5.7°

Mar

1310.4° / -1.1°

Apr

4517.8° / 4.5°

May

7123.1° / 10.3°

Jun

7327.6° / 14.9°

Jul

6529.1° / 16.8°

Aug

7228.3° / 15.6°

Sep

7925.4° / 11.4°

Oct

5418.6° / 5.4°

Nov

2411.7° / 0.1°

Dec

55.1° / -3.7°

Monthly climate evidence for Granville — daylight is calculated from latitude, everything else is measured
Month	Day	Night	Rain	Wet days	Daylight	Comfort	Coverage
January	2.6°C	-6.8°C	65 mm	8.2	9 h 37	5	Good coverage
February	4.4°C	-5.7°C	61 mm	7.7	10 h 37	5	Good coverage
March	10.4°C	-1.1°C	90 mm	8.9	11 h 49	13	Good coverage
April	17.8°C	4.5°C	99 mm	10.2	13 h 12	45	Good coverage
May	23.1°C	10.3°C	107 mm	11.4	14 h 22	71	Good coverage
June	27.6°C	14.9°C	103 mm	9.4	15 h 00	73	Good coverage
July	29.1°C	16.8°C	100 mm	9.3	14 h 45	65	Good coverage
August	28.3°C	15.6°C	90 mm	8.4	13 h 45	72	Good coverage
September	25.4°C	11.4°C	80 mm	7.2	12 h 24	79	Good coverage
October	18.6°C	5.4°C	77 mm	8.8	11 h 04	54	Good coverage
November	11.7°C	0.1°C	68 mm	7.9	9 h 54	24	Good coverage
December	5.1°C	-3.7°C	77 mm	8.7	9 h 20	5	Good coverage

Records at NEWARK HEATH AP, 1999–2026
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	22.2°C11 Jan 2020	-31.0°C17 Jan 2009	50 mm3 Jan 2000	188 mm2005 · driest 16 mm in 2025	26
February	25.6°C20 Feb 2018	-29.3°C24 Feb 2015	49 mm17 Feb 2022	164 mm2022 · driest 25 mm in 2002	27
March	28.9°C22 Mar 2026	-19.9°C6 Mar 2015	64 mm20 Mar 2020	176 mm2020 · driest 39 mm in 2001	28
April	30.0°C23 Apr 2022	-7.1°C2 Apr 2021	58 mm2 Apr 2024	168 mm2024 · driest 51 mm in 2012	28
May	35.0°C27 May 2012	-2.8°C4 May 2005	59 mm6 May 2022	200 mm2022 · driest 31 mm in 2007	28
June	37.2°C28 Jun 2012	2.8°C2 Jun 2003	82 mm23 Jun 2016	224 mm2008 · driest 5 mm in 1999	28
July	37.8°C7 Jul 2012	5.6°C6 Jul 2000	68 mm13 Jul 2017	222 mm2017 · driest 38 mm in 2012	28
August	36.7°C28 Aug 2024	6.1°C21 Aug 2024	86 mm30 Aug 2005	165 mm2003 · driest 7 mm in 2025	27
September	34.4°C8 Sep 2002	0.0°C22 Sep 1999	75 mm2 Sep 2012	177 mm2012 · driest 10 mm in 2023	27
October	35.0°C2 Oct 2019	-7.1°C30 Oct 2008	46 mm17 Oct 2006	129 mm2021 · driest 13 mm in 2024	27
November	27.2°C10 Nov 2020	-13.2°C19 Nov 2014	44 mm11 Nov 2022	142 mm2018 · driest 13 mm in 2012	27
December	21.7°C12 Dec 2015	-21.6°C23 Dec 2022	69 mm16 Dec 2000	126 mm2012 · driest 21 mm in 2010	27

Typical days per month at NEWARK HEATH AP, 1991–2020
Month	Days 25°C+	Days 30°C+	Frost nights	Heavy rain (10 mm+)
January	0	0	26	2
February	0	0	24	2
March	<1	0	19	3
April	4	0	7	4
May	13	3	<1	4
June	24	10	0	4
July	28	14	0	4
August	28	10	0	3
September	18	5	<1	3
October	5	<1	5	3
November	<1	0	17	2
December	0	0	24	3

How often, not how much — every day in NEWARK HEATH AP’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%	25%	6%	27%	-0.9–6.2°C
February	1%	27%	7%	28%	0.5–9.2°C
March	10%	29%	11%	35%	7.4–15.2°C
April	28%	34%	12%	46%	16.1–20.0°C
May	47%	37%	13%	49%	20.6–25.6°C
June	67%	31%	12%	39%	26.0–29.2°C
July	71%	29%	11%	33%	27.3–31.7°C
August	73%	27%	9%	27%	27.2–29.9°C
September	71%	23%	8%	25%	23.1–27.6°C
October	36%	27%	8%	31%	16.8–21.6°C
November	9%	25%	8%	26%	8.9–14.6°C
December	<1%	28%	8%	34%	2.4–8.7°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.

2000Each stripe is one year’s mean temperature against the 25-year average. Warmest: 2021. Coolest: 2014.2025

The evidence behind this page

Nearby, measured,
and named.

Place identity: GeoNames 5156270
NOAA station: USW00004858 · NEWARK HEATH AP
Station distance: 6.7 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 21 usable years
Daylight: Calculated from latitude 40.07°, 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 NEWARK HEATH AP is what differs

Heath→Beechwood Trails→Buckeye Lake→Hebron→Harbor Hills→Granville South→

Or put two places side by side: Granville vs Heath

Best time to visitGranville.