United States · 1991–2020

Best time to visit
Delia.

September leads for comfortable weather in Delia: typically 26.6°C by day, 12.8°C at night, with 95 mm of rain. Based on measured 1991–2020 NOAA station history.

Best comfortSeptember

Typical high26.6°C

Typical low12.8°C

Rain in September95 mm

Comfort

September

September · May · June

76climate match

Beach

August

August · July · June

69climate match

Outdoors

October

October · April · May

80climate match

The weakest month is January, scoring 5 against September’s 76 — days reach only 3.6°C, 20° below the 24°C the score treats as ideal, and nights drop to -8.6°C.

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

53.6° / -8.6°

Feb

56.6° / -6.7°

Mar

3013.2° / -0.9°

Apr

5118.8° / 4.7°

May

7323.9° / 10.8°

Jun

6328.9° / 16.8°

Jul

5231.4° / 19.1°

Aug

5930.7° / 17.8°

Sep

7626.6° / 12.8°

Oct

6019.8° / 5.8°

Nov

3012.4° / -0.8°

Dec

55.5° / -6.5°

Monthly climate evidence for Delia — daylight is calculated from latitude, everything else is measured
Month	Day	Night	Rain	Wet days	Daylight	Comfort	Coverage
January	3.6°C	-8.6°C	20 mm	3.4	9 h 41	5	Strong coverage
February	6.6°C	-6.7°C	34 mm	3.8	10 h 39	5	Strong coverage
March	13.2°C	-0.9°C	57 mm	6.1	11 h 50	30	Strong coverage
April	18.8°C	4.7°C	96 mm	8.3	13 h 10	51	Strong coverage
May	23.9°C	10.8°C	133 mm	9.4	14 h 18	73	Strong coverage
June	28.9°C	16.8°C	125 mm	8.7	14 h 55	63	Strong coverage
July	31.4°C	19.1°C	117 mm	8.7	14 h 40	52	Strong coverage
August	30.7°C	17.8°C	104 mm	7.4	13 h 42	59	Strong coverage
September	26.6°C	12.8°C	95 mm	6.9	12 h 24	76	Strong coverage
October	19.8°C	5.8°C	83 mm	6.1	11 h 06	60	Strong coverage
November	12.4°C	-0.8°C	47 mm	4.7	9 h 58	30	Strong coverage
December	5.5°C	-6.5°C	35 mm	3.6	9 h 25	5	Strong coverage

What has changed

Delia runs -0.2°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

+0.1

Feb

-0.7

Mar

+1.0

Apr

-1.5

May

-1.4

Jun

+0.2

Jul

-1.2

Aug

-1.1

Sep

+0.6

Oct

-0.6

Nov

+0.3

Dec

+1.7

September daytime highs, 2011–2025. Last recorded: 26.5°C.

Records at HOLTON, 1902–2026
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	23.9°C29 Jan 2013	-30.0°C28 Jan 1915	54 mm5 Jan 2025	92 mm2025 · driest 0 mm in 1986	81
February	27.2°C29 Feb 1972	-30.6°C16 Feb 2021	55 mm21 Feb 1997	95 mm2001 · driest 0 mm in 1917	80
March	34.4°C22 Mar 2026	-29.4°C4 Mar 1978	66 mm3 Mar 1915	169 mm1973 · driest 5 mm in 1997	79
April	33.9°C26 Apr 2012	-15.0°C3 Apr 1975	88 mm27 Apr 2009	235 mm1999 · driest 13 mm in 1989	79
May	37.2°C29 May 1913	-5.6°C3 May 1976	109 mm27 May 2016	332 mm1903 · driest 24 mm in 2012	79
June	42.8°C27 Jun 1980	4.4°C1 Jun 1982	141 mm9 Jun 1982	425 mm1967 · driest 21 mm in 2016	79
July	43.3°C14 Jul 1980	6.1°C5 Jul 1972	158 mm16 Jul 1968	394 mm1993 · driest 2 mm in 1913	83
August	43.3°C29 Aug 1984	4.4°C31 Aug 1915	126 mm18 Aug 1960	340 mm2019 · driest 13 mm in 1984	81
September	42.8°C2 Sep 2000	-1.7°C29 Sep 1916	156 mm20 Sep 1978	341 mm1977 · driest 5 mm in 1956	82
October	36.1°C5 Oct 1963	-10.0°C31 Oct 1993	214 mm2 Oct 2005	249 mm2005 · driest 0 mm in 1952	82
November	29.4°C13 Nov 1999	-21.7°C28 Nov 1976	78 mm5 Nov 2022	161 mm1998 · driest 0 mm in 1969	82
December	23.3°C16 Dec 2021	-30.6°C22 Dec 1989	108 mm8 Dec 1980	136 mm1980 · driest 0 mm in 2010	81

Typical days per month at HOLTON, 1991–2020
Month	Days 25°C+	Days 30°C+	Frost nights	Heavy rain (10 mm+)	Snow days
January	0	0	26	<1	2
February	<1	0	22	1	2
March	2	<1	15	2	<1
April	6	1	6	3	<1
May	14	4	<1	4	0
June	26	14	0	4	0
July	28	20	0	3	0
August	28	18	0	3	0
September	19	8	<1	3	0
October	7	1	5	3	<1
November	<1	0	16	1	<1
December	0	0	25	1	2

The best month has moved. On the 1961–1990 numbers the strongest month here was May (scoring 79); on 2011–2025 it is September (81). Both are scored the same way, from the same station — only the climate underneath changed.

How often, not how much — every day in HOLTON’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%	12%	2%	7%	-0.2–7.5°C
February	4%	13%	3%	7%	1.5–11.4°C
March	18%	18%	6%	16%	9.1–16.4°C
April	40%	26%	10%	28%	16.3–22.0°C
May	59%	30%	13%	36%	21.9–26.5°C
June	71%	29%	14%	32%	27.5–31.3°C
July	76%	23%	10%	21%	29.7–34.5°C
August	76%	24%	10%	27%	28.9–33.9°C
September	74%	23%	11%	21%	24.4–29.6°C
October	50%	18%	8%	17%	17.6–22.9°C
November	15%	15%	5%	9%	9.8–15.7°C
December	<1%	12%	3%	7%	1.9–8.8°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.

1914Each stripe is one year’s mean temperature against the 68-year average. Warmest: 1986. Coolest: 2008.2025

The evidence behind this page

Nearby, measured,
and named.

Place identity: GeoNames 4270331
NOAA station: USC00143759 · HOLTON
Station distance: 30.3 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 27 usable years
Daylight: Calculated from latitude 39.24°, 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 HOLTON is what differs

Holton→Wetmore→Mayetta→Denison→Circleville→Netawaka→

Or put two places side by side: Delia vs Holton

Best time to visitDelia.