Annual Climate Summary

2018 Summary

Light Snow 34°F

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

Annual Climate Summary

Observed averages, totals, and departures from normal

Average Temperature

49.4°F

Normal: 49.5°F
Departure: -0.1°F

Total Precipitation

43.13 in

Normal: 40.68 in
Departure: + 2.45 in

Season Snowfall

67.0 in

Normal: 59.2 in
Departure: +7.8 in

Warmest Day

95°F

July 2nd

Coldest Day

-10°F

January 1st

Wettest Day

2.21 in

September 18th

Snowiest Day

11.5 in

March 2nd

2018 Monthly Summary
Month Average Temp Average High Average Low Total Precip Total Snow
January 22.2°F 30.5°F 13.9°F 2.12 in 10.7 in
February 31.7°F 40.9°F 22.5°F 2.88 in 13.1 in
March 34.1°F 41.5°F 26.8°F 2.97 in 30.2 in
April 41.0°F 50.3°F 31.7°F 4.45 in 2.5 in
May 63.7°F 74.8°F 52.6°F 1.90 in 0.0 in
June 66.5°F 76.7°F 56.2°F 2.89 in 0.0 in
July 74.9°F 85.0°F 64.8°F 3.83 in 0.0 in
August 74.0°F 81.7°F 66.4°F 4.71 in 0.0 in
September 66.3°F 73.7°F 58.9°F 5.65 in 0.0 in
October 49.8°F 57.0°F 42.7°F 3.42 in 0.0 in
November 36.2°F 42.3°F 30.1°F 5.52 in 9.5 in
December 31.5°F 38.7°F 24.2°F 2.79 in 3.2 in

Degree Day Summary

Heating and cooling degree days (base 65°F)

Heating Degree Days

6,562.5

Normal: 6,194.0
Departure: + 368.5

Cooling Degree Days

882.0

Normal: 578.0
Departure: + 304.0

Climate Activity Summary

Key temperature and precipitation patterns for the year

Days at or
Above 90°F

16

Days Above Freezing

332

Days That Stayed Below Freezing

33

Freezing Nights (Low Below 32°F)

136

Days with Precipitation

158

Days with
Snowfall

36

Major 3-Day Climate Events

The year's most significant multi‑day weather events

Warmest 3-Day Stretch

82.8°F

July 1st - July 3rd

Coldest 3‑Day Stretch

4.2°F

January 5th - January 7th

Heaviest 3‑Day Precipitation

2.30 in

September 16th - September 18th

Snowiest 3‑Day Storm

11.5 in

February 28th - March 2nd

Top 3 Extremes of the Year

Warmest, coldest, wettest, and snowiest days

Warmest Days

  1. 95°F on July 2nd
  2. 94°F on July 1st
  3. 94°F on July 4th

Coldest Days

  1. -10°F on January 1st
  2. -8°F on January 7th
  3. -4°F on January 6th

Wettest Days

  1. 2.21 in on September 18th
  2. 1.38 in on April 16th
  3. 1.37 in on March 2nd

Snowiest Days

  1. 11.5 in on March 2nd
  2. 8.5 in on March 7th
  3. 7.7 in on March 13th

Wind Summary

Annual wind averages, peak gusts, and dominant direction

Average Wind Speed

1.2 mph

Peak Wind Gust

36 mph

Dominant Wind Direction

NW

Climate Context

How this year compares to typical conditions

Annual climate summaries compare observed conditions to long‑term normals. Positive temperature departures signal warmer‑than‑normal patterns, while negative departures reflect cooler periods. Precipitation and snowfall departures highlight unusually wet, dry, or snowy years across Colonie.