What is the hottest month in Gardiner?

July is the warmest month in Gardiner, with an average high of 80.6°F.

What is the coldest month in Gardiner?

January is the coldest month in Gardiner, with an average low of 9.4°F.

What month does Gardiner get the most rain?

October is typically the wettest month in Gardiner, with about 5.39 inches of precipitation.

What plant hardiness zone is Gardiner in?

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

Has the climate in Gardiner changed recently?

11.7% of Gardiner'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.

Gardiner, ME

Climate overview — based on NOAA 1991-2020 normals from GARDINER, ME US.

Dfb Warm-summer humid continental climate 6a USDA hardiness Zone 6a

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Gardiner has an annual average temperature of 45.8°F with about 47.7 inches of precipitation per year and 68.9 inches of snow. The warmest month is July (average high 80.6°F), and the coldest is January (average low 9.4°F). October is typically the wettest month (5.39 in) and February the driest (2.95 in). Snow typically falls from October through April.

Pleasant months

2 / 12

avg high 65–80°F, low ≥ 50°F

Annual swing

50.2°F

warmest to coldest month

Heating need

7,164

HDD/yr

Cooling need

267

CDD/yr

Best time to visit Gardiner

Full guide →

Climate change signal

All-time records →

43 of 366 (11.7%) of Gardiner'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.

1880s		5
1890s		33
1900s		33
1910s		26
1920s		16
1930s		27
1940s		37
1950s		25
1960s		20
1970s		25
1980s		22
1990s		24
2000s		13
2010s		35
2020s		25

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	30.2°F	9.4°F	19.8°F	3.58 in	17.6 in	9
February	33.3°F	10.2°F	21.7°F	2.95 in	20.0 in	8
March	41.5°F	20.8°F	31.2°F	3.71 in	12.7 in	9
April	54.2°F	32.7°F	43.5°F	4.18 in	2.8 in	11
May	66.3°F	43.8°F	55.1°F	3.66 in	—	12
June	75.0°F	53.5°F	64.2°F	4.40 in	—	12
July	80.6°F	59.5°F	70.0°F	3.42 in	—	11
August	79.9°F	58.0°F	68.9°F	3.61 in	—	10
September	72.4°F	49.7°F	61.1°F	3.93 in	—	9
October	59.7°F	38.6°F	49.2°F	5.39 in	0.2 in	11
November	47.3°F	29.0°F	38.2°F	4.52 in	2.3 in	10
December	36.4°F	17.9°F	27.2°F	4.38 in	13.3 in	11