What is the hottest month in Hallam?

July is the warmest month in Hallam, with an average high of 86.5°F.

What is the coldest month in Hallam?

January is the coldest month in Hallam, with an average low of 13.6°F.

What month does Hallam get the most rain?

May is typically the wettest month in Hallam, with about 5.65 inches of precipitation.

What plant hardiness zone is Hallam in?

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

Has the climate in Hallam changed recently?

12.3% of Hallam'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.

Hallam, NE

Climate overview — based on NOAA 1991-2020 normals from CRETE 4ESE, NE US.

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

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Hallam has an annual average temperature of 51.1°F with about 31 inches of precipitation per year and 25.3 inches of snow. The warmest month is July (average high 86.5°F), and the coldest is January (average low 13.6°F). May is typically the wettest month (5.65 in) and January the driest (0.69 in). Snow typically falls from October through April.

Pleasant months

2 / 12

avg high 65–80°F, low ≥ 50°F

Annual swing

51.7°F

warmest to coldest month

Heating need

5,811

HDD/yr

Cooling need

816

CDD/yr

Best time to visit Hallam

Full guide →

Climate change signal

All-time records →

45 of 366 (12.3%) of Hallam'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		22
1900s		13
1910s		28
1920s		26
1930s		85
1940s		9
1950s		18
1960s		13
1970s		12
1980s		36
1990s		22
2000s		23
2010s		30
2020s		29

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	34.4°F	13.6°F	24.0°F	0.69 in	6.3 in	5
February	39.6°F	18.1°F	28.9°F	0.81 in	6.6 in	5
March	51.7°F	27.8°F	39.7°F	1.45 in	3.2 in	6
April	63.0°F	39.1°F	51.1°F	2.58 in	1.3 in	9
May	72.9°F	50.3°F	61.6°F	5.65 in	—	12
June	82.5°F	60.7°F	71.6°F	4.86 in	—	10
July	86.5°F	64.9°F	75.7°F	3.84 in	—	10
August	84.6°F	62.8°F	73.7°F	3.35 in	—	10
September	78.4°F	54.1°F	66.2°F	3.11 in	—	8
October	66.0°F	41.2°F	53.6°F	2.32 in	1.0 in	7
November	50.9°F	28.2°F	39.6°F	1.22 in	2.0 in	5
December	37.9°F	17.8°F	27.8°F	1.14 in	4.9 in	5