Monthly Climate Summary

May 2009 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

57.6°F

Normal: 59.7°F
Departure: -2.1°F

Total Precipitation

3.41 in

Normal: 3.41 in
Departure: + 0.46 in

Total Snowfall

0.0 in

Normal: 0.4 in
Departure: -0.4 in

May 2009 Daily Summary
Day Weather High Temperature Low Temperature Precipitation Snowfall
1st Sunny 74°F 52°F 0.00 in 0.0 in
2nd Rain Shower 63°F 42°F 0.03 in 0.0 in
3rd Overcast 64°F 39°F 0.00 in 0.0 in
4th Overcast 66°F 44°F 0.00 in 0.0 in
5th Rain 59°F 49°F 0.02 in 0.0 in
6th Rain 63°F 48°F 0.12 in 0.0 in
7th Rain Shower 71°F 53°F 0.36 in 0.0 in
8th Rain Shower 76°F 47°F 0.02 in 0.0 in
9th Thunderstorm 75°F 57°F 0.57 in 0.0 in
10th partly cloudy 59°F 45°F 0.00 in 0.0 in
11th mostly cloudy 64°F 42°F 0.00 in 0.0 in
12th partly cloudy 67°F 41°F 0.00 in 0.0 in
13th Sunny 72°F 35°F 0.00 in 0.0 in
14th Rain 61°F 50°F 0.42 in 0.0 in
15th Sunny 76°F 53°F 0.00 in 0.0 in
16th Rain Shower 74°F 48°F 0.35 in 0.0 in
17th Rain Shower 63°F 42°F 0.10 in 0.0 in
18th Overcast 54°F 36°F 0.00 in 0.0 in
19th mostly cloudy 71°F 30°F 0.00 in 0.0 in
20th partly cloudy 79°F 45°F 0.00 in 0.0 in
21st Sunny 89°F 49°F 0.00 in 0.0 in
22nd partly cloudy 85°F 51°F 0.00 in 0.0 in
23rd Rain Shower 76°F 53°F 0.07 in 0.0 in
24th Thunderstorm 78°F 53°F 0.07 in 0.0 in
25th Sunny 76°F 45°F 0.00 in 0.0 in
26th partly cloudy 62°F 37°F 0.00 in 0.0 in
27th Rain 58°F 44°F 1.04 in 0.0 in
28th Rain 60°F 53°F 0.14 in 0.0 in
29th Rain Shower 69°F 53°F 0.55 in 0.0 in
30th mostly cloudy 70°F 51°F 0.00 in 0.0 in
31st Rain Shower 65°F 46°F 0.01 in 0.0 in

Degree Day Summary

Heating and cooling degree days (base 65°F)

Heating Degree Days

237.5

Normal: 163.0
Departure: + 74.5

Cooling Degree Days

8.5

Normal: 0.0
Departure: + 8.5

All-time Monthly Records

Highest and lowest observed extremes for this month

Record High

97°F

Set in 1911

Record Low

26°F

Set in 1968

Record Precipitation

2.17 in

Set in 1893

Record Snowfall

5 in

Set in 1945

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.