Climate ▸Forecast ▸December ▸January ▸
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

Adirondack Mountains Weather and Climate: A Comprehensive Guide

The Adirondacks, it is called the backyard of New York and Boston. This is the largest protected forest area in the US.

Average maximum day and minimum night temperature

Depending on the time of the year, temperatures range from very warm to very cold in Adirondack Mountains. Average daytime temperatures reach a very warm 33°C in July. In January, the coolest month of the year, temperatures drop to a very cold 1°C.

At night, you can expect cooler temperatures, with averages dropping to around -9°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Adirondack Mountains has a relatively dry climate with low precipitation, averaging 417 mm of rain/snowfall annually. Adirondack Mountains can be quite wet during April, receiving approximately 56 mm of precipitation over 11 rainy days.

In contrast August, experiences much drier conditions, with 16 mm of rainfall, spread across 5 rainy days. For more details, please visit our Adirondack Mountains Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Forecast for Adirondack Mountains

Sat   Dec 28
5°C | -7°C
E 6 m/s
clear and no rain

clear and no rain

Sun   Dec 29
7°C | -5°C
SE 6 m/s
broken clouds and no rain

broken clouds and no rain

Mon   Dec 30
5°C | -3°C
W 5 m/s
1.6 mm
broken clouds and  chance of slight snow

broken clouds and chance of slight snow

The best time of year to visit Adirondack Mountains in the United States of America

During the months of May and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Adirondack Mountains?
    July has an average maximum temperature of 33°C and is the warmest month of the year.
  • Which is the coldest month in Adirondack Mountains?
    The coldest month is January with an average maximum temperature of 1°C.
  • Which is the wettest month in Adirondack Mountains?
    April tops the wettest month list with 56 mm of rainfall.
  • Which is the driest month in Adirondack Mountains?
    August is the driest month with 16 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.