What is the hottest month in Georgetown?

July is the warmest month in Georgetown, with an average high of 77.1°F.

What is the coldest month in Georgetown?

February is the coldest month in Georgetown, with an average low of 15.3°F.

What month does Georgetown get the most rain?

July is typically the wettest month in Georgetown, with about 2.49 inches of precipitation.

What plant hardiness zone is Georgetown in?

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

Has the climate in Georgetown changed recently?

19.4% of Georgetown'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.

Georgetown, CO

Climate overview — based on NOAA 1991-2020 normals from GEORGETOWN, CO US.

Dfb Warm-summer humid continental climate 7a USDA hardiness Zone 7a

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Georgetown has an annual average temperature of 42.2°F with about 18.3 inches of precipitation per year and 105.9 inches of snow. The warmest month is July (average high 77.1°F), and the coldest is February (average low 15.3°F). July is typically the wettest month (2.49 in) and January the driest (0.81 in). Snow typically falls from January through December.

Annual swing

37°F

warmest to coldest month

Heating need

8,196

HDD/yr

Cooling need

CDD/yr

Best time to visit Georgetown

Full guide →

Climate change signal

All-time records →

71 of 366 (19.4%) of Georgetown'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		5
1900s		1
1910s		0
1920s		0
1940s		2
1950s		93
1960s		57
1970s		10
1980s		0
1990s		37
2000s		61
2010s		50
2020s		50

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	36.4°F	15.5°F	25.9°F	0.81 in	12.5 in	9
February	37.7°F	15.3°F	26.5°F	0.90 in	12.6 in	9
March	44.5°F	21.1°F	32.8°F	1.39 in	18.5 in	11
April	49.8°F	26.0°F	37.9°F	2.33 in	20.9 in	12
May	59.6°F	34.6°F	47.1°F	2.13 in	6.6 in	10
June	71.7°F	42.4°F	57.0°F	1.54 in	0.2 in	10
July	77.1°F	48.8°F	62.9°F	2.49 in	—	13
August	74.5°F	46.5°F	60.5°F	2.18 in	—	14
September	68.3°F	39.3°F	53.8°F	1.52 in	1.6 in	10
October	56.7°F	30.3°F	43.5°F	1.25 in	7.5 in	8
November	44.2°F	21.9°F	33.0°F	0.89 in	11.1 in	7
December	36.3°F	15.4°F	25.9°F	0.86 in	14.4 in	9