What is the hottest month in Little Rock?

July is the warmest month in Little Rock, with an average high of 82.1°F.

What is the coldest month in Little Rock?

January is the coldest month in Little Rock, with an average low of 4.7°F.

What month does Little Rock get the most rain?

June is typically the wettest month in Little Rock, with about 4.88 inches of precipitation.

What plant hardiness zone is Little Rock in?

Little Rock is approximately in USDA plant hardiness Zone 5b, based on the average annual extreme minimum temperature.

Has the climate in Little Rock changed recently?

10.7% of Little Rock's all-time daily heat records were set in the last decade (since 2015), compared to roughly 5% if records were evenly distributed over time.

Little Rock, IA

Climate overview — based on NOAA 1991-2020 normals from SIBLEY, IA US.

Dfb Warm-summer humid continental climate 5b USDA hardiness Zone 5b

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Little Rock has an annual average temperature of 44.5°F with about 30.2 inches of precipitation per year and 41.5 inches of snow. The warmest month is July (average high 82.1°F), and the coldest is January (average low 4.7°F). June is typically the wettest month (4.88 in) and January the driest (0.74 in). Snow typically falls from October through April.

Pleasant months

2 / 12

avg high 65–80°F, low ≥ 50°F

Annual swing

57.3°F

warmest to coldest month

Heating need

7,782

HDD/yr

Cooling need

387

CDD/yr

Best time to visit Little Rock

Full guide →

Climate change signal

All-time records →

39 of 366 (10.7%) of Little Rock's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1890s		27
1900s		32
1910s		35
1930s		34
1940s		30
1950s		30
1960s		30
1970s		22
1980s		30
1990s		15
2000s		25
2010s		29
2020s		27

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month	Avg High	Avg Low	Avg Temp	Precipitation	Snow	Rainy days
January	23.1°F	4.7°F	13.9°F	0.74 in	8.1 in	6
February	28.0°F	8.8°F	18.4°F	0.84 in	7.4 in	5
March	41.0°F	20.6°F	30.8°F	1.59 in	7.0 in	6
April	56.1°F	32.5°F	44.3°F	3.25 in	3.7 in	10
May	68.8°F	45.5°F	57.2°F	4.06 in	—	13
June	78.9°F	56.7°F	67.8°F	4.88 in	—	12
July	82.1°F	60.3°F	71.2°F	3.30 in	—	9
August	79.9°F	57.9°F	68.9°F	3.58 in	—	9
September	73.8°F	49.1°F	61.4°F	3.25 in	—	8
October	59.8°F	35.7°F	47.7°F	2.31 in	1.1 in	8
November	42.6°F	22.3°F	32.4°F	1.38 in	5.1 in	5
December	28.3°F	10.7°F	19.5°F	1.05 in	9.1 in	6