Monthly Climate Summary

May 2021 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

58.3°F

Normal: 59.7°F
Departure: -1.4°F

Total Precipitation

3.41 in

Normal: 3.41 in
Departure: + 0.1 in

Total Snowfall

0.0 in

Normal: 0.4 in
Departure: -0.4 in

May 2021 Daily Summary
Day Weather High Temperature Low Temperature Precipitation Snowfall
1st mostly cloudy 56°F 37°F 0.00 in 0.0 in
2nd Rain Shower 72°F 44°F 0.24 in 0.0 in
3rd Rain Shower 67°F 48°F 0.14 in 0.0 in
4th Rain 62°F 46°F 0.56 in 0.0 in
5th Rain 56°F 48°F 0.43 in 0.0 in
6th mostly cloudy 61°F 44°F 0.00 in 0.0 in
7th mostly cloudy 66°F 35°F 0.00 in 0.0 in
8th Overcast 58°F 46°F 0.00 in 0.0 in
9th Rain Shower 63°F 43°F 0.03 in 0.0 in
10th Rain Shower 59°F 45°F 0.28 in 0.0 in
11th mostly cloudy 58°F 39°F 0.00 in 0.0 in
12th mostly cloudy 64°F 42°F 0.00 in 0.0 in
13th partly cloudy 70°F 37°F 0.00 in 0.0 in
14th mostly cloudy 75°F 41°F 0.00 in 0.0 in
15th partly cloudy 75°F 43°F 0.00 in 0.0 in
16th partly cloudy 78°F 50°F 0.00 in 0.0 in
17th Sunny 78°F 45°F 0.00 in 0.0 in
18th partly cloudy 80°F 52°F 0.00 in 0.0 in
19th Sunny 84°F 52°F 0.00 in 0.0 in
20th mostly cloudy 85°F 57°F 0.00 in 0.0 in
21st mostly cloudy 86°F 60°F 0.00 in 0.0 in
22nd mostly cloudy 86°F 62°F 0.00 in 0.0 in
23rd mostly cloudy 80°F 55°F 0.00 in 0.0 in
24th partly cloudy 73°F 46°F 0.00 in 0.0 in
25th partly cloudy 78°F 50°F 0.00 in 0.0 in
26th Rain Shower 89°F 64°F 0.11 in 0.0 in
27th mostly cloudy 71°F 55°F 0.00 in 0.0 in
28th Rain 55°F 41°F 0.64 in 0.0 in
29th Rain 52°F 41°F 0.28 in 0.0 in
30th Rain 50°F 46°F 0.80 in 0.0 in
31st mostly cloudy 66°F 48°F 0.00 in 0.0 in

Degree Day Summary

Heating and cooling degree days (base 65°F)

Heating Degree Days

248.5

Normal: 163.0
Departure: + 85.5

Cooling Degree Days

41.0

Normal: 0.0
Departure: + 41.0

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.