Monthly Climate Summary

December 2017 Summary

Mostly Clear 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

24.3°F

Normal: 30.5°F
Departure: -6.2°F

Total Precipitation

3.26 in

Normal: 3.26 in
Departure: -1.73 in

Total Snowfall

10.5 in

Normal: 13.3 in
Departure: -2.8 in

December 2017 Daily Summary
Day Weather High Temperature Low Temperature Precipitation Snowfall
1st Rain Shower 44°F 31°F 0.01 in 0.0 in
2nd mostly cloudy 41°F 28°F 0.00 in 0.0 in
3rd mostly cloudy 45°F 27°F 0.00 in 0.0 in
4th Overcast 38°F 23°F 0.00 in 0.0 in
5th Rain 52°F 37°F 0.21 in 0.0 in
6th Rain Shower 51°F 29°F 0.18 in 0.0 in
7th Snow Shower 40°F 27°F 0.00 in 0.0 in
8th Snow Shower 37°F 21°F 0.00 in 0.0 in
9th Snow 33°F 27°F 0.12 in 3.0 in
10th partly cloudy 36°F 20°F 0.00 in 0.0 in
11th mostly cloudy 35°F 24°F 0.00 in 0.0 in
12th Rain and Snow 38°F 21°F 0.14 in 1.0 in
13th Snow Shower 21°F 14°F 0.00 in 0.0 in
14th Snow Shower 21°F 9°F 0.02 in 0.2 in
15th mostly cloudy 23°F 5°F 0.00 in 0.0 in
16th mostly cloudy 31°F 11°F 0.00 in 0.0 in
17th partly cloudy 26°F 7°F 0.00 in 0.0 in
18th Overcast 34°F 18°F 0.00 in 0.0 in
19th Rain Shower 48°F 34°F 0.03 in 0.0 in
20th Snow Shower 41°F 30°F 0.00 in 0.0 in
21st mostly cloudy 30°F 21°F 0.00 in 0.0 in
22nd Light Snow 25°F 19°F 0.12 in 0.8 in
23rd Rain 35°F 25°F 0.45 in 0.0 in
24th Snow Shower 35°F 26°F 0.00 in 0.0 in
25th Snow Shower 33°F 14°F 0.25 in 5.0 in
26th partly cloudy 23°F 4°F 0.00 in 0.0 in
27th partly cloudy 17°F -5°F 0.00 in 0.0 in
28th mostly cloudy 7°F -6°F 0.00 in 0.0 in
29th mostly cloudy 13°F -6°F 0.00 in 0.0 in
30th Light Snow 17°F -1°F 0.00 in 0.5 in
31st mostly cloudy 7°F -4°F 0.00 in 0.0 in

Degree Day Summary

Heating and cooling degree days (base 65°F)

Heating Degree Days

1,261.5

Normal: 1,069.0
Departure: + 192.5

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.