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Bentonville, Arkansas climate

Cfa Humid subtropical

Bentonville has a 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. Around 46 inches of precipitation falls each year, peaking in May (6.0 inches) and easing off in February (2.3 inches).

☀️ Summers

Hot

Highs near 89°F in July.

About 29 days a year above 90 °F

❄️ Winters

Cold

Lows near 27°F in January.

About 56 freezing nights a year

🌧️ Rain

Wet

About 46 in of rain a year.

Wettest in May

⛅ Sky & trend

Partly cloudy

A roughly even mix of sun and cloud.

+0.5 °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

Bentonville climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°F)	47	51	59	69	76	84	89	89	81	71	59	50
Avg temp (°F)	37	41	49	58	66	75	79	78	71	59	48	40
Avg low (°F)	27	30	38	47	56	66	69	68	60	48	38	30
Precipitation (in)	2.6	2.3	3.7	4.5	6.0	4.7	3.6	3.4	4.5	4.1	4.0	2.9

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°F)	47	51	59	69	76	84
Avg temp (°F)	37	41	49	58	66	75
Avg low (°F)	27	30	38	47	56	66
Precipitation (in)	2.6	2.3	3.7	4.5	6.0	4.7

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°F)	89	89	81	71	59	50
Avg temp (°F)	79	78	71	59	48	40
Avg low (°F)	69	68	60	48	38	30
Precipitation (in)	3.6	3.4	4.5	4.1	4.0	2.9

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	5	5	6	7	9	7	6	6	6	6	5	5
Days with high ≥ 90°F (days)	—	—	—	0.0	0.3	3	12	12	3	—	—	—
Days with low ≤ 32°F (days)	14	12	8	1	0.0	—	—	—	—	0.9	7	13
Days with snowfall ≥ 1 in (days)	0.2	0.2	0.0	—	0.0	—	0.0	—	—	—	—	0.1

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with measurable rain (days)	5	5	6	7	9	7
Days with high ≥ 90°F (days)	—	—	—	0.0	0.3	3
Days with low ≤ 32°F (days)	14	12	8	1	0.0	—
Days with snowfall ≥ 1 in (days)	0.2	0.2	0.0	—	0.0	—

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	6	6	6	6	5	5
Days with high ≥ 90°F (days)	12	12	3	—	—	—
Days with low ≤ 32°F (days)	—	—	—	0.9	7	13
Days with snowfall ≥ 1 in (days)	0.0	—	—	—	—	0.1

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	61	64	63	59	60	52	46	46	44	48	55	60
Clear days (≤ 30% cloud)	7	5	6	7	7	9	12	11	13	11	9	8
Partly cloudy days (30–70%)	9	10	10	9	9	12	11	12	9	10	9	9
Cloudy days (≥ 70%)	15	13	15	14	15	10	8	8	9	10	12	15
Relative humidity (%)	83	81	79	77	79	76	68	65	68	71	77	82
Wind speed (mph)	2.1	2.3	2.0	1.6	1.4	1.2	1.1	1.1	1.2	1.3	1.4	1.6

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	61	64	63	59	60	52
Clear days (≤ 30% cloud)	7	5	6	7	7	9
Partly cloudy days (30–70%)	9	10	10	9	9	12
Cloudy days (≥ 70%)	15	13	15	14	15	10
Relative humidity (%)	83	81	79	77	79	76
Wind speed (mph)	2.1	2.3	2.0	1.6	1.4	1.2

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	46	46	44	48	55	60
Clear days (≤ 30% cloud)	12	11	13	11	9	8
Partly cloudy days (30–70%)	11	12	9	10	9	9
Cloudy days (≥ 70%)	8	8	9	10	12	15
Relative humidity (%)	68	65	68	71	77	82
Wind speed (mph)	1.1	1.1	1.2	1.3	1.4	1.6

Methodology & sources

Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Fayetteville Exp Stn (NOAA GHCN station USC00032444), about 30 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 →