Monthly Climate Summary

May 2009 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

57.6°F

Normal: 59.7°F
Departure: -2.1°F

Total Precipitation

3.87 in

Normal: 3.41 in
Departure: + 0.46 in

Total Snowfall

0.0 in

Normal: 0.1 in
Departure: -0.1 in

Warmest Day

89°F

May 21st

Coldest Day

30°F

May 19th

Wettest Day

1.04 in

May 27th

Snowiest Day

0.0 in

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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 Sunny 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 Sunny 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 Sunny 70°F 51°F 0.00 in 0.0 in
31st Rain Shower 65°F 46°F 0.01 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

237.5

Normal: 163.0
Departure: + 74.5

Cooling Degree Days

8.5

Normal: 0.0
Departure: + 8.5

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)

1

Days with Precipitation

15

Days with
Snowfall

0

Wind Summary

Monthly wind averages, peak gusts, and dominant direction

Average Wind Speed

2 mph

Peak Wind Gust

34 mph

Dominant Wind Direction

SSE

All-time Monthly Records

Highest and lowest observed extremes for this month

Warmest Day

97°F

May 22nd, 1911

Coldest Day

26°F

May 8th, 1968

Wettest Day

2.17 in

May 4th, 1893

Snowiest Day

5.0 in

May 10th, 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.