Monthly Climate Summary

December 2015 Summary

Light Snow 34°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

41.8°F

Normal: 30.5°F
Departure: + 11.3°F

Total Precipitation

3.55 in

Normal: 3.26 in
Departure: + 0.29 in

Total Snowfall

1.8 in

Normal: 13.3 in
Departure: -11.5 in

Warmest Day

69°F

December 24th

Coldest Day

23°F

December 28th

Wettest Day

0.90 in

December 29th

Snowiest Day

1.1 in

December 29th

December 2015 Daily Summary
Day Weather High Temperature Low Temperature Precipitation Snowfall
1st Rain 42°F 26°F 0.15 in 0.0 in
2nd Rain 49°F 41°F 0.50 in 0.0 in
3rd Mostly Cloudy 48°F 39°F 0.00 in 0.0 in
4th Drizzle 45°F 35°F 0.00 in 0.0 in
5th Partly Cloudy 46°F 29°F 0.00 in 0.0 in
6th Partly Cloudy 38°F 27°F 0.00 in 0.0 in
7th Partly Cloudy 46°F 26°F 0.00 in 0.0 in
8th Mostly Cloudy 43°F 27°F 0.00 in 0.0 in
9th Mostly Cloudy 48°F 25°F 0.00 in 0.0 in
10th Rain Shower 58°F 43°F 0.03 in 0.0 in
11th Partly Cloudy 60°F 42°F 0.00 in 0.0 in
12th Partly Cloudy 57°F 36°F 0.00 in 0.0 in
13th Overcast 52°F 43°F 0.00 in 0.0 in
14th Rain 59°F 44°F 0.39 in 0.0 in
15th Rain 59°F 43°F 0.05 in 0.0 in
16th Mostly Cloudy 46°F 35°F 0.00 in 0.0 in
17th Rain 52°F 41°F 0.23 in 0.0 in
18th Rain Shower 51°F 37°F 0.01 in 0.0 in
19th Partly Cloudy 38°F 31°F 0.00 in 0.0 in
20th Overcast 39°F 26°F 0.00 in 0.0 in
21st Overcast 46°F 27°F 0.00 in 0.0 in
22nd Rain 52°F 43°F 0.34 in 0.0 in
23rd Light Rain 55°F 43°F 0.40 in 0.0 in
24th Light Rain 69°F 45°F 0.01 in 0.0 in
25th Partly Cloudy 60°F 37°F 0.00 in 0.0 in
26th Partly Cloudy 49°F 36°F 0.01 in 0.0 in
27th Rain 50°F 36°F 0.38 in 0.0 in
28th Snow 36°F 23°F 0.10 in 0.7 in
29th Drizzle 36°F 25°F 0.90 in 1.1 in
30th Drizzle 37°F 34°F 0.05 in 0.0 in
31st Mostly Cloudy 43°F 37°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

719.5

Normal: 1,069.0
Departure: -349.5

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

31

Days That Stayed Below Freezing

0

Freezing Nights (Low Below 32°F)

11

Days with Precipitation

15

Days with
Snowfall

2

Wind Summary

Monthly wind averages, peak gusts, and dominant direction

Average Wind Speed

1.2 mph

Peak Wind Gust

28 mph

Dominant Wind Direction

NW

All-time Monthly Records

Highest and lowest observed extremes for this month

Warmest Day

72°F

December 24th, 2015

Coldest Day

-22°F

December 25th, 1969

Wettest Day

3.16 in

December 11th, 1952

Snowiest Day

19.7 in

December 17th, 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.