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Owensboro, Kentucky climate

Cfa Humid subtropical

Owensboro has a strongly seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is July with an average daily high near 89°F, while the coldest is January averaging around 27°F at night. Precipitation is fairly even year-round, totalling about 48 inches.

☀️ Summers

Hot

Highs near 89°F in July.

About 51 days a year above 90 °F

❄️ Winters

Cold

Lows near 27°F in January.

About 58 freezing nights a year

🌧️ Rain

Wet

About 48 in of rain a year.

Wettest in April

⛅ Sky & trend

Partly cloudy

A roughly even mix of sun and cloud.

+1.4 °F vs 50 years ago

Temperature & precipitation

Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figures

Clear vs cloudy days

Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day counts

Owensboro climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°F)	42	48	58	70	78	87	89	89	84	72	58	47
Avg temp (°F)	35	39	48	60	68	77	80	79	73	62	49	40
Avg low (°F)	27	31	39	49	58	67	71	70	62	51	40	33
Precipitation (in)	3.5	3.4	4.7	5.2	4.8	4.4	4.5	3.1	3.4	3.3	4.0	3.6

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°F)	42	48	58	70	78	87
Avg temp (°F)	35	39	48	60	68	77
Avg low (°F)	27	31	39	49	58	67
Precipitation (in)	3.5	3.4	4.7	5.2	4.8	4.4

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°F)	89	89	84	72	58	47
Avg temp (°F)	80	79	73	62	49	40
Avg low (°F)	71	70	62	51	40	33
Precipitation (in)	4.5	3.1	3.4	3.3	4.0	3.6

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	8	8	9	9	10	8	7	6	6	7	8	8
Days with high ≥ 90°F (days)	—	—	—	—	2	11	15	15	7	0.6	—	—
Days with low ≤ 32°F (days)	17	15	7	0.8	—	—	—	—	—	0.2	6	13
Days with snowfall ≥ 1 in (days)	0.9	0.6	0.3	—	—	—	—	—	0.0	—	0.1	0.6

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with measurable rain (days)	8	8	9	9	10	8
Days with high ≥ 90°F (days)	—	—	—	—	2	11
Days with low ≤ 32°F (days)	17	15	7	0.8	—	—
Days with snowfall ≥ 1 in (days)	0.9	0.6	0.3	—	—	—

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	7	6	6	7	8	8
Days with high ≥ 90°F (days)	15	15	7	0.6	—	—
Days with low ≤ 32°F (days)	—	—	—	0.2	6	13
Days with snowfall ≥ 1 in (days)	—	—	0.0	—	0.1	0.6

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	68	70	66	62	62	54	51	48	47	51	58	67
Clear days (≤ 30% cloud)	5	3	6	7	6	8	9	10	12	11	8	5
Partly cloudy days (30–70%)	9	8	9	8	10	11	13	12	9	9	8	9
Cloudy days (≥ 70%)	17	17	16	15	15	11	9	9	9	11	14	17
Relative humidity (%)	84	82	80	78	79	79	77	72	69	71	77	84
Wind speed (mph)	7.6	7.5	7.6	7.6	6.1	4.9	4.2	4.1	4.7	5.8	6.6	6.8

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	68	70	66	62	62	54
Clear days (≤ 30% cloud)	5	3	6	7	6	8
Partly cloudy days (30–70%)	9	8	9	8	10	11
Cloudy days (≥ 70%)	17	17	16	15	15	11
Relative humidity (%)	84	82	80	78	79	79
Wind speed (mph)	7.6	7.5	7.6	7.6	6.1	4.9

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	51	48	47	51	58	67
Clear days (≤ 30% cloud)	9	10	12	11	8	5
Partly cloudy days (30–70%)	13	12	9	9	8	9
Cloudy days (≥ 70%)	9	9	9	11	14	17
Relative humidity (%)	77	72	69	71	77	84
Wind speed (mph)	4.2	4.1	4.7	5.8	6.6	6.8

Methodology & sources

Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Evansville Museum (NOAA GHCN station USC00122731), about 46 km from the city centre.

Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.

How we build these numbers →