What is the hottest month in Oakland Acres?

July is the warmest month in Oakland Acres, with an average high of 83.3°F.

What is the coldest month in Oakland Acres?

January is the coldest month in Oakland Acres, with an average low of 10.2°F.

What month does Oakland Acres get the most rain?

June is typically the wettest month in Oakland Acres, with about 5.53 inches of precipitation.

What plant hardiness zone is Oakland Acres in?

Oakland Acres is approximately in USDA plant hardiness Zone 6b, based on the average annual extreme minimum temperature.

Has the climate in Oakland Acres changed recently?

10.4% of Oakland Acres'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.

Oakland Acres, IA

Climate overview — based on NOAA 1991-2020 normals from GRINNELL 3 SW, IA US.

Dfa Hot-summer humid continental climate 6b USDA hardiness Zone 6b

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Oakland Acres has an annual average temperature of 47.5°F with about 38.2 inches of precipitation per year and 31 inches of snow. The warmest month is July (average high 83.3°F), and the coldest is January (average low 10.2°F). June is typically the wettest month (5.53 in) and January the driest (1.10 in). Snow typically falls from October through April.

Pleasant months

2 / 12

avg high 65–80°F, low ≥ 50°F

Annual swing

53.2°F

warmest to coldest month

Heating need

6,795

HDD/yr

Cooling need

489

CDD/yr

Best time to visit Oakland Acres

Full guide →

Climate change signal

All-time records →

38 of 366 (10.4%) of Oakland Acres'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		4
1900s		15
1910s		72
1920s		51
1930s		30
1940s		7
1950s		35
1960s		20
1970s		8
1980s		31
1990s		17
2000s		23
2010s		27
2020s		26

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	28.3°F	10.2°F	19.3°F	1.10 in	9.0 in	8
February	33.0°F	13.6°F	23.3°F	1.55 in	9.1 in	8
March	46.1°F	24.7°F	35.4°F	2.22 in	3.4 in	9
April	59.4°F	35.1°F	47.3°F	3.90 in	0.6 in	12
May	69.9°F	47.1°F	58.5°F	5.09 in	—	13
June	79.5°F	57.8°F	68.6°F	5.53 in	—	12
July	83.3°F	61.8°F	72.5°F	3.96 in	—	9
August	81.2°F	59.2°F	70.2°F	4.37 in	—	11
September	75.2°F	50.2°F	62.7°F	3.71 in	—	9
October	62.3°F	38.2°F	50.2°F	3.21 in	0.5 in	10
November	46.8°F	26.4°F	36.6°F	1.95 in	1.5 in	7
December	34.0°F	16.3°F	25.2°F	1.60 in	6.9 in	8