What is the hottest month in Addison?

July is the warmest month in Addison, with an average high of 82.0°F.

What is the coldest month in Addison?

January is the coldest month in Addison, with an average low of 13.8°F.

What month does Addison get the most rain?

July is typically the wettest month in Addison, with about 4.22 inches of precipitation.

What plant hardiness zone is Addison in?

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

Addison, NY

Climate overview — based on NOAA 1991-2020 normals from ADDISON, NY US.

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

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Addison has an annual average temperature of 46.6°F with about 36.1 inches of precipitation per year and 48.2 inches of snow. The warmest month is July (average high 82.0°F), and the coldest is January (average low 13.8°F). July is typically the wettest month (4.22 in) and February the driest (1.61 in). Snow typically falls from October through April.

Pleasant months

1 / 12

avg high 65–80°F, low ≥ 50°F

Annual swing

45.6°F

warmest to coldest month

Heating need

6,816

HDD/yr

Cooling need

207

CDD/yr

Best time to visit Addison

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Monthly averages

Month	Avg High	Avg Low	Avg Temp	Precipitation	Snow	Rainy days
January	33.1°F	13.8°F	23.5°F	1.80 in	13.3 in	14
February	35.8°F	14.1°F	25.0°F	1.61 in	11.8 in	11
March	44.0°F	21.1°F	32.5°F	2.52 in	9.6 in	14
April	57.5°F	31.1°F	44.3°F	3.34 in	1.0 in	14
May	69.6°F	41.3°F	55.5°F	3.55 in	0.1 in	15
June	77.9°F	51.3°F	64.6°F	3.19 in	—	14
July	82.0°F	56.2°F	69.1°F	4.22 in	—	12
August	80.8°F	54.8°F	67.8°F	3.55 in	—	12
September	73.7°F	47.4°F	60.5°F	3.66 in	—	11
October	61.5°F	37.0°F	49.2°F	3.81 in	0.3 in	15
November	48.7°F	27.6°F	38.2°F	2.54 in	2.1 in	14
December	38.0°F	21.0°F	29.5°F	2.26 in	10.0 in	15