What is the hottest month in Jameson?

July is the warmest month in Jameson, with an average high of 85.8°F.

What is the coldest month in Jameson?

January is the coldest month in Jameson, with an average low of 15.7°F.

What month does Jameson get the most rain?

June is typically the wettest month in Jameson, with about 5.63 inches of precipitation.

What plant hardiness zone is Jameson in?

Jameson is approximately in USDA plant hardiness Zone 7a, based on the average annual extreme minimum temperature.

Has the climate in Jameson changed recently?

21.9% of Jameson'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.

Jameson, MO

Climate overview — based on NOAA 1991-2020 normals from GALLATIN 1W, MO US.

Dfa Hot-summer humid continental climate 7a USDA hardiness Zone 7a

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Jameson has an annual average temperature of 51.6°F with about 40.8 inches of precipitation per year and 19.6 inches of snow. The warmest month is July (average high 85.8°F), and the coldest is January (average low 15.7°F). June is typically the wettest month (5.63 in) and January the driest (1.43 in). Snow typically falls from November through April.

Pleasant months

2 / 12

avg high 65–80°F, low ≥ 50°F

Annual swing

50.8°F

warmest to coldest month

Heating need

5,637

HDD/yr

Cooling need

810

CDD/yr

Best time to visit Jameson

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Climate change signal

All-time records →

80 of 366 (21.9%) of Jameson'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		0
1900s		0
1910s		0
1920s		0
1930s		0
1940s		0
1950s		0
1960s		57
1970s		0
1980s		19
1990s		79
2000s		85
2010s		98
2020s		28

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	34.1°F	15.7°F	24.9°F	1.43 in	6.2 in	5
February	39.5°F	19.5°F	29.5°F	1.78 in	5.6 in	5
March	51.6°F	29.9°F	40.8°F	2.52 in	1.6 in	7
April	62.9°F	40.2°F	51.6°F	3.59 in	0.3 in	9
May	72.6°F	51.5°F	62.0°F	5.60 in	—	11
June	82.0°F	61.6°F	71.8°F	5.63 in	—	10
July	85.8°F	65.7°F	75.7°F	4.39 in	—	9
August	84.4°F	63.2°F	73.8°F	4.22 in	—	8
September	77.1°F	54.3°F	65.7°F	4.53 in	—	7
October	64.8°F	42.3°F	53.6°F	3.31 in	—	8
November	50.4°F	30.5°F	40.4°F	2.03 in	1.0 in	6
December	38.1°F	20.4°F	29.3°F	1.80 in	4.9 in	6