Monthly Climate Summary

December 2018 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

31.5°F

Normal: 30.5°F
Departure: + 0.9°F

Total Precipitation

3.26 in

Normal: 3.26 in
Departure: -0.47 in

Total Snowfall

3.2 in

Normal: 13.3 in
Departure: -10.1 in

December 2018 Daily Summary
Day Weather High Temperature Low Temperature Precipitation Snowfall
1st Rain Shower 40°F 29°F 0.14 in 0.0 in
2nd Rain 42°F 34°F 0.64 in 0.0 in
3rd Rain 50°F 34°F 0.02 in 0.0 in
4th mostly cloudy 34°F 24°F 0.00 in 0.0 in
5th mostly cloudy 34°F 17°F 0.00 in 0.0 in
6th Snow Shower 38°F 19°F 0.00 in 0.0 in
7th mostly cloudy 34°F 17°F 0.00 in 0.0 in
8th mostly cloudy 29°F 12°F 0.00 in 0.0 in
9th mostly cloudy 36°F 18°F 0.00 in 0.0 in
10th mostly cloudy 36°F 18°F 0.00 in 0.0 in
11th mostly cloudy 31°F 11°F 0.00 in 0.0 in
12th partly cloudy 36°F 18°F 0.00 in 0.0 in
13th Light Snow 30°F 18°F 0.07 in 2.0 in
14th mostly cloudy 42°F 29°F 0.00 in 0.0 in
15th mostly cloudy 47°F 32°F 0.00 in 0.0 in
16th Wintry Mix 37°F 28°F 0.34 in 0.2 in
17th Snow Shower 40°F 29°F 0.00 in 0.0 in
18th Sunny 29°F 20°F 0.00 in 0.0 in
19th mostly cloudy 35°F 16°F 0.00 in 0.0 in
20th Rain Shower 42°F 19°F 0.19 in 0.0 in
21st Rain 59°F 36°F 0.70 in 0.0 in
22nd Thunderstorm 55°F 34°F 0.13 in 0.0 in
23rd Overcast 34°F 30°F 0.00 in 0.0 in
24th Snow Shower 41°F 30°F 0.04 in 0.8 in
25th mostly cloudy 34°F 24°F 0.00 in 0.0 in
26th Snow flurries 33°F 22°F 0.00 in 0.0 in
27th mostly cloudy 34°F 25°F 0.00 in 0.0 in
28th Rain 48°F 32°F 0.06 in 0.0 in
29th Overcast 47°F 26°F 0.00 in 0.0 in
30th Snow Shower 33°F 23°F 0.01 in 0.2 in
31st Rain Shower 40°F 26°F 0.45 in 0.0 in

Degree Day Summary

Heating and cooling degree days (base 65°F)

Heating Degree Days

1,040.0

Normal: 1,069.0
Departure: -29.0

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.