Monthly Climate Summary

December 2025 Summary

Snow Shower 32°F

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

Monthly Climate Summary

Observed averages, totals, and departures from normal

Average Temperature

25.4°F

Normal: 30.5°F
Departure: -5.1°F

Total Precipitation

3.26 in

Normal: 3.26 in
Departure: -0.33 in

Total Snowfall

15.9 in

Normal: 13.3 in
Departure: + 2.6 in

December 2025 Daily Summary
Day Weather High Temperature Low Temperature Precipitation Snowfall
1st partly cloudy 38°F 20°F 0.00 in 0.0 in
2nd Snow 31°F 21°F 0.57 in 7.0 in
3rd partly cloudy 31°F 21°F 0.00 in 0.0 in
4th Snow Shower 36°F 9°F 0.02 in 0.2 in
5th mostly cloudy 24°F -3°F 0.00 in 0.0 in
6th mostly cloudy 36°F 22°F 0.00 in 0.0 in
7th Overcast 38°F 28°F 0.00 in 0.0 in
8th partly cloudy 28°F 8°F 0.00 in 0.0 in
9th mostly cloudy 27°F 1°F 0.00 in 0.0 in
10th Snow 34°F 27°F 0.03 in 0.5 in
11th mostly cloudy 35°F 19°F 0.00 in 0.0 in
12th mostly cloudy 32°F 18°F 0.00 in 0.0 in
13th Snow Shower 31°F 21°F 0.00 in 0.0 in
14th Snow Shower 27°F 13°F 0.01 in 0.2 in
15th mostly cloudy 24°F 8°F 0.00 in 0.0 in
16th mostly cloudy 32°F 13°F 0.00 in 0.0 in
17th Overcast 42°F 20°F 0.00 in 0.0 in
18th partly cloudy 45°F 24°F 0.00 in 0.0 in
19th Rain 54°F 29°F 0.83 in 0.0 in
20th partly cloudy 33°F 27°F 0.00 in 0.0 in
21st mostly cloudy 36°F 26°F 0.00 in 0.0 in
22nd mostly cloudy 32°F 21°F 0.00 in 0.0 in
23rd Drizzle 36°F 26°F 0.00 in 0.0 in
24th Rain Shower 38°F 24°F 0.02 in 0.0 in
25th mostly cloudy 37°F 16°F 0.00 in 0.0 in
26th Snow 16°F 10°F 0.47 in 4.5 in
27th Snow 23°F 10°F 0.15 in 1.5 in
28th Freezing Rain 32°F 6°F 0.15 in 0.0 in
29th Rain and Snow 42°F 25°F 0.65 in 0.0 in
30th Snow Shower 25°F 19°F 0.02 in 1.2 in
31st Snow Shower 31°F 20°F 0.01 in 0.8 in

Degree Day Summary

Heating and cooling degree days (base 65°F)

Heating Degree Days

1,227.5

Normal: 1,069.0
Departure: + 158.5

Cooling Degree Days

0.0

Normal: 0.0
Departure: + 0.0

All-time Monthly Records

Highest and lowest observed extremes for this month

Record High

72°F

Set in 2015

Record Low

-22°F

Set in 1969

Record Precipitation

3.16 in

Set in 1952

Record Snowfall

19.7 in

Set in 2020

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.