United States · 1991–2020

Best time to visit
Irvington.

September leads for comfortable weather in Irvington: typically 27.3°C by day, 13.5°C at night, with 87 mm of rain. Based on measured 1991–2020 NOAA station history.

Best comfortSeptember

Typical high27.3°C

Typical low13.5°C

Rain in September87 mm

Comfort

September

September · May · June

76climate match

Beach

July

July · August · June

72climate match

Outdoors

October

October · April · September

79climate match

The weakest month is January, scoring 5 against September’s 76 — days reach only 3.8°C, 20° 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

53.8° / -6.1°

Feb

56.3° / -4.3°

Mar

2012.1° / 0.7°

Apr

5118.9° / 6.5°

May

7423.9° / 12.1°

Jun

6328.8° / 16.9°

Jul

5730.7° / 18.8°

Aug

6330.3° / 17.6°

Sep

7627.3° / 13.5°

Oct

6220.4° / 7°

Nov

2612.9° / 1.4°

Dec

55.9° / -3.7°

Monthly climate evidence for Irvington — daylight is calculated from latitude, everything else is measured
Month	Day	Night	Rain	Wet days	Daylight	Comfort	Coverage
January	3.8°C	-6.1°C	76 mm	7	9 h 45	5	Good coverage
February	6.3°C	-4.3°C	75 mm	6.8	10 h 42	5	Good coverage
March	12.1°C	0.7°C	106 mm	8.5	11 h 50	20	Good coverage
April	18.9°C	6.5°C	120 mm	9	13 h 09	51	Good coverage
May	23.9°C	12.1°C	136 mm	10.5	14 h 14	74	Good coverage
June	28.8°C	16.9°C	124 mm	8.9	14 h 50	63	Good coverage
July	30.7°C	18.8°C	108 mm	7.2	14 h 36	57	Good coverage
August	30.3°C	17.6°C	95 mm	6.3	13 h 39	63	Good coverage
September	27.3°C	13.5°C	87 mm	5.8	12 h 23	76	Good coverage
October	20.4°C	7°C	92 mm	7.3	11 h 08	62	Good coverage
November	12.9°C	1.4°C	97 mm	7.4	10 h 02	26	Good coverage
December	5.9°C	-3.7°C	78 mm	7.7	9 h 30	5	Good coverage

Records at IUKA 12 SW, 1997–2025
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	21.1°C30 Jan 2002	-25.6°C7 Jan 2014	81 mm22 Jan 1999	236 mm1999 · driest 13 mm in 2003	28
February	25.6°C28 Feb 2024	-23.9°C17 Feb 2021	58 mm6 Feb 2008	181 mm2018 · driest 8 mm in 2017	28
March	28.3°C22 Mar 2012	-17.2°C4 Mar 2002	99 mm19 Mar 2008	276 mm2008 · driest 26 mm in 2001	28
April	31.1°C16 Apr 2024	-5.6°C2 Apr 2021	109 mm5 Apr 2025	348 mm2025 · driest 39 mm in 2004	28
May	33.3°C17 May 2001	0.6°C9 May 2020	76 mm8 May 2008	226 mm2008 · driest 23 mm in 2005	28
June	41.7°C29 Jun 2012	3.9°C1 Jun 2003	97 mm17 Jun 2000	272 mm2015 · driest 18 mm in 2012	28
July	41.7°C6 Jul 2012	9.4°C29 Jul 2014	127 mm16 Jul 2024	323 mm2024 · driest 28 mm in 2002	27
August	39.4°C16 Aug 2007	6.7°C12 Aug 2004	105 mm17 Aug 2014	249 mm2016 · driest 28 mm in 2011	27
September	37.2°C7 Sep 1998	1.1°C25 Sep 2001	129 mm26 Sep 2012	341 mm2012 · driest 5 mm in 2017	26
October	34.4°C2 Oct 2019	-6.1°C31 Oct 2023	81 mm9 Oct 2009	269 mm2009 · driest 7 mm in 2015	27
November	27.8°C2 Nov 2000	-13.9°C13 Nov 2019	60 mm22 Nov 2020	189 mm2011 · driest 13 mm in 2023	28
December	22.8°C4 Dec 1998	-25.6°C23 Dec 2022	74 mm27 Dec 2015	189 mm2015 · driest 29 mm in 2016	28

Typical days per month at IUKA 12 SW, 1991–2020
Month	Days 25°C+	Days 30°C+	Frost nights	Heavy rain (10 mm+)	Snow days
January	0	0	26	3	3
February	0	0	22	3	3
March	1	0	16	4	1
April	5	<1	4	4	0
May	15	3	0	4	0
June	26	13	0	4	0
July	29	19	0	3	0
August	30	18	0	3	0
September	22	9	0	3	0
October	8	2	3	3	0
November	1	0	13	3	<1
December	0	0	24	3	2

How often, not how much — every day in IUKA 12 SW’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%	23%	9%	24%	0.9–6.8°C
February	2%	23%	9%	25%	1.8–10.4°C
March	12%	28%	12%	31%	9.8–16.3°C
April	32%	30%	13%	38%	17.0–20.9°C
May	55%	33%	14%	43%	22.2–26.1°C
June	71%	28%	14%	31%	27.9–30.2°C
July	75%	25%	13%	21%	28.6–32.5°C
August	80%	20%	9%	16%	28.6–32.1°C
September	77%	20%	8%	17%	25.1–29.7°C
October	46%	23%	9%	27%	18.7–22.8°C
November	13%	24%	10%	22%	9.3–15.7°C
December	1%	26%	9%	25%	3.1–9.3°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.

1998Each stripe is one year’s mean temperature against the 26-year average. Warmest: 2012. Coolest: 2014.2024

The evidence behind this page

Nearby, measured,
and named.

Place identity: GeoNames 4241612
NOAA station: USC00114400 · IUKA 12 SW
Station distance: 17.8 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 22 usable years
Daylight: Calculated from latitude 38.44°, 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 IUKA 12 SW is what differs

Centralia→Wamac→Central City→Junction City→Dix→Kell→

Or put two places side by side: Irvington vs Centralia

Best time to visitIrvington.