United States · 1991–2020

Best time to visit
Overland Park.

September leads for comfortable weather in Overland Park: typically 26.2°C by day, 14.7°C at night, with 108 mm of rain. Based on measured 1991–2020 NOAA station history.

Best comfortSeptember

Typical high26.2°C

Typical low14.7°C

Rain in September108 mm

Comfort

September

September · May · October

79climate match

Beach

August

August · July · June

74climate match

Outdoors

October

October · April · May

86climate match

The weakest month is January, scoring 5 against September’s 79 — days reach only 4.1°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

54.1° / -5.7°

Feb

117.8° / -3.2°

Mar

3313.3° / 1.3°

Apr

5418.8° / 7.2°

May

7724° / 13.1°

Jun

5928.4° / 18.1°

Jul

4931.3° / 20.7°

Aug

5431° / 20°

Sep

7926.2° / 14.7°

Oct

6720.2° / 8.9°

Nov

3112.1° / 2°

Dec

55.9° / -3.5°

Monthly climate evidence for Overland Park — daylight is calculated from latitude, everything else is measured
Month	Day	Night	Rain	Wet days	Daylight	Comfort	Coverage
January	4.1°C	-5.7°C	35 mm	4.7	9 h 43	5	Good coverage
February	7.8°C	-3.2°C	46 mm	4.4	10 h 40	11	Good coverage
March	13.3°C	1.3°C	65 mm	6.2	11 h 50	33	Good coverage
April	18.8°C	7.2°C	107 mm	8.5	13 h 10	54	Good coverage
May	24°C	13.1°C	129 mm	9.7	14 h 17	77	Good coverage
June	28.4°C	18.1°C	146 mm	8.7	14 h 53	59	Good coverage
July	31.3°C	20.7°C	122 mm	7.7	14 h 39	49	Good coverage
August	31°C	20°C	112 mm	6.7	13 h 41	54	Good coverage
September	26.2°C	14.7°C	108 mm	6.9	12 h 24	79	Good coverage
October	20.2°C	8.9°C	77 mm	6.5	11 h 06	67	Good coverage
November	12.1°C	2°C	67 mm	5.4	9 h 59	31	Good coverage
December	5.9°C	-3.5°C	45 mm	4.9	9 h 27	5	Good coverage

Records at OLATHE 3E, 1893–2009
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	23.3°C9 Jan 2003	-32.2°C22 Jan 1930	102 mm19 Jan 1907	150 mm1941 · driest 1 mm in 1986	113
February	27.2°C24 Feb 1930	-33.9°C12 Feb 1899	67 mm21 Feb 1997	123 mm1911 · driest 0 mm in 1917	113
March	33.3°C22 Mar 1910	-22.2°C4 Mar 1978	90 mm5 Mar 2004	264 mm1973 · driest 4 mm in 1910	114
April	35.6°C29 Apr 1910	-13.3°C5 Apr 1920	130 mm22 Apr 1944	273 mm1944 · driest 12 mm in 2000	113
May	38.3°C30 May 1934	-5.6°C4 May 1907	158 mm16 May 1990	412 mm1935 · driest 11 mm in 1901	114
June	41.7°C20 Jun 1918	3.9°C4 Jun 1897	203 mm9 Jun 1984	340 mm1984 · driest 4 mm in 1936	114
July	45.6°C14 Jul 1954	7.2°C5 Jul 1915	148 mm30 Jul 2008	396 mm1993 · driest 5 mm in 1916	115
August	43.9°C7 Aug 1913	5.0°C30 Aug 1915	177 mm31 Aug 2003	343 mm1895 · driest 7 mm in 1945	114
September	41.7°C4 Sep 1913	-1.7°C29 Sep 1916	178 mm7 Sep 1914	372 mm1986 · driest 2 mm in 1937	115
October	36.7°C7 Oct 1939	-9.4°C30 Oct 1917	107 mm10 Oct 1985	289 mm1941 · driest 3 mm in 1952	113
November	29.4°C16 Nov 1928	-18.9°C16 Nov 1932	91 mm20 Nov 1973	218 mm1931 · driest 0 mm in 1969	112
December	24.4°C6 Dec 1939	-30.0°C22 Dec 1989	58 mm15 Dec 1971	168 mm1895 · driest 0 mm in 2002	110

Typical days per month at OLATHE 3E, 1991–2020
Month	Days 25°C+	Days 30°C+	Frost nights	Heavy rain (10 mm+)	Snow days
January	0	0	26	1	4
February	0	0	20	2	2
March	1	0	13	2	1
April	5	<1	3	3	<1
May	14	3	0	4	0
June	25	11	0	4	0
July	30	21	0	4	0
August	29	19	0	3	0
September	19	7	0	3	0
October	7	1	1	3	<1
November	<1	0	12	2	<1
December	0	0	23	1	3

How often, not how much — every day in OLATHE 3E’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%	14%	3%	9%	-0.2–8.0°C
February	3%	16%	4%	11%	2.6–10.7°C
March	17%	22%	7%	19%	8.7–16.6°C
April	39%	28%	11%	29%	16.4–21.8°C
May	57%	33%	14%	38%	21.6–26.8°C
June	70%	30%	16%	30%	26.7–31.5°C
July	77%	23%	11%	21%	29.5–34.7°C
August	77%	23%	10%	21%	28.5–34.1°C
September	71%	24%	12%	21%	24.1–29.5°C
October	52%	20%	9%	18%	18.1–23.7°C
November	14%	16%	7%	10%	9.5–15.2°C
December	<1%	15%	4%	9%	1.9–8.6°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.

1896Each stripe is one year’s mean temperature against the 101-year average. Warmest: 1921. Coolest: 1951.2008

The evidence behind this page

Nearby, measured,
and named.

Place identity: GeoNames 4276873
NOAA station: USC00145972 · OLATHE 3E
Station distance: 13.1 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 18 usable years
Daylight: Calculated from latitude 38.98°, 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 OLATHE 3E is what differs

Olathe→Lenexa→Leawood→Elmhurst→Lackmans→Dallas→

Or put two places side by side: Overland Park vs Olathe

Best time to visitOverland Park.