Monthly Climate Summary

January 2021 Summary

Mostly Cloudy 33°F

Data is available from 2005 to present. The latest summary is available the first week of each month.

Monthly Climate Summary

Observed averages, totals, and departures from normal

Average Temperature

26.3°F

Normal: 24.5°F
Departure: + 1.8°F

Total Precipitation

1.75 in

Normal: 2.60 in
Departure: -0.85 in

Total Snowfall

10.7 in

Normal: 15.6 in
Departure: -4.9 in

Warmest Day

41°F

January 2nd

Coldest Day

-2°F

January 31st

Wettest Day

0.40 in

January 16th

Snowiest Day

3.5 in

January 26th

January 2021 Daily Summary
Day Weather High Temperature Low Temperature Precipitation Snowfall
1st Light Snow 35°F 20°F 0.29 in 1.0 in
2nd Drizzle 41°F 31°F 0.39 in 0.0 in
3rd Snow 35°F 31°F 0.23 in 2.5 in
4th Snow Shower 37°F 33°F 0.03 in 0.7 in
5th Overcast 36°F 30°F 0.00 in 0.0 in
6th Overcast 34°F 28°F 0.00 in 0.0 in
7th Mostly Cloudy 32°F 24°F 0.00 in 0.0 in
8th Mostly Cloudy 27°F 17°F 0.00 in 0.0 in
9th Mostly Cloudy 31°F 15°F 0.00 in 0.0 in
10th Partly Cloudy 29°F 16°F 0.00 in 0.0 in
11th Snow Flurries 32°F 18°F 0.00 in 0.0 in
12th Overcast 36°F 25°F 0.00 in 0.0 in
13th Overcast 36°F 26°F 0.00 in 0.0 in
14th Overcast 38°F 21°F 0.00 in 0.0 in
15th Mostly Cloudy 39°F 25°F 0.00 in 0.0 in
16th Wintry Mix 40°F 31°F 0.40 in 0.5 in
17th Light Snow 38°F 33°F 0.01 in 0.0 in
18th Overcast 37°F 28°F 0.00 in 0.0 in
19th Snow Shower 38°F 23°F 0.00 in 0.0 in
20th Snow Shower 34°F 16°F 0.02 in 0.5 in
21st Snow Shower 33°F 15°F 0.02 in 1.0 in
22nd Mostly Cloudy 39°F 27°F 0.00 in 0.0 in
23rd Partly Cloudy 28°F 14°F 0.00 in 0.0 in
24th Sunny 22°F 9°F 0.00 in 0.0 in
25th Mostly Sunny 31°F 9°F 0.00 in 0.0 in
26th Snow 30°F 18°F 0.29 in 3.5 in
27th Light Snow 32°F 27°F 0.07 in 1.0 in
28th Mostly Cloudy 27°F 13°F 0.00 in 0.0 in
29th Mostly Cloudy 17°F 2°F 0.00 in 0.0 in
30th Mostly Sunny 20°F 1°F 0.00 in 0.0 in
31st Mostly Cloudy 21°F -2°F 0.00 in 0.0 in
Legend and Icon Key
Warmest High
Coldest Low
Wettest Day
Snowiest Day
Sunny Mostly Sunny Partly Cloudy Mostly Cloudy Overcast Rain Light Rain Rain Shower Drizzle Freezing Rain Snow Light Snow Snow Shower Snow Flurries Sleet Rain & Snow Wintry Mix Thunderstorm Haze

Degree Day Summary

Heating and cooling degree days (base 65°F)

Heating Degree Days

1,200.5

Normal: 1,255.0
Departure: -54.5

Cooling Degree Days

0.0

Normal: 0.0
Departure: + 0.0

Climate Activity Summary

Key temperature and precipitation patterns for the month

Days at or
Above 90°F

0

Days Above Freezing

17

Days That Stayed Below Freezing

14

Freezing Nights (Low Below 32°F)

29

Days with Precipitation

10

Days with
Snowfall

8

Wind Summary

Monthly wind averages, peak gusts, and dominant direction

Average Wind Speed

1.6 mph

Peak Wind Gust

31 mph

Dominant Wind Direction

NW

All-time Monthly Records

Highest and lowest observed extremes for this month

Warmest Day

71°F

January 6th, 2007

Coldest Day

-28°F

January 19th, 1971

Wettest Day

1.78 in

January 26th, 1986

Snowiest Day

15.1 in

January 16th, 1945

Climate Context

How this month compares to typical conditions

Monthly climate summaries compare observed weather to long‑term normals. Positive temperature departures indicate warmer‑than‑normal conditions, while negative departures reflect cooler‑than‑normal patterns. Precipitation and snowfall departures help highlight unusually wet, dry, or snowy months across Colonie.