Monthly Climate Summary

May 2026 Summary

Mostly Cloudy 66°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

58.1°F

Normal: 59.7°F
Departure: -1.6°F

Total Precipitation

3.29 in

Normal: 3.41 in
Departure: -0.12 in

Total Snowfall

0.0 in

Normal: 0.1 in
Departure: -0.1 in

Warmest Day

93°F

May 18th

Coldest Day

36°F

May 12th

Wettest Day

0.77 in

May 6th

Snowiest Day

0.0 in

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Temperature and Precipitation Summary
Day Weather High Temperature Low Temperature Precipitation Snowfall
1st rain-shower 61°F 41°F 0.12 in 0.0 in
2nd rain-shower 56°F 38°F 0.03 in 0.0 in
3rd mostly-cloudy 56°F 37°F 0.00 in 0.0 in
4th mostly-cloudy 74°F 41°F 0.00 in 0.0 in
5th scattered-thunderstorms 83°F 52°F 0.13 in 0.0 in
6th rain 62°F 46°F 0.77 in 0.0 in
7th partly-cloudy 57°F 40°F 0.00 in 0.0 in
8th mostly-cloudy 57°F 39°F 0.00 in 0.0 in
9th rain 54°F 39°F 0.48 in 0.0 in
10th partly-cloudy 66°F 51°F 0.00 in 0.0 in
11th mostly-cloudy 61°F 41°F 0.00 in 0.0 in
12th mostly-sunny 63°F 36°F 0.00 in 0.0 in
13th rain 57°F 45°F 0.20 in 0.0 in
14th light-rain 60°F 48°F 0.32 in 0.0 in
15th overcast 65°F 47°F 0.00 in 0.0 in
16th partly-cloudy 79°F 44°F 0.00 in 0.0 in
17th partly-cloudy 86°F 59°F 0.00 in 0.0 in
18th mostly-cloudy 93°F 58°F 0.00 in 0.0 in
19th mostly-cloudy 93°F 69°F 0.00 in 0.0 in
20th overcast 81°F 58°F 0.00 in 0.0 in
21st overcast 64°F 52°F 0.00 in 0.0 in
22nd mostly-cloudy 67°F 42°F 0.00 in 0.0 in
23rd rain 62°F 48°F 0.29 in 0.0 in
24th rain 55°F 47°F 0.56 in 0.0 in
25th light-rain 74°F 54°F 0.29 in 0.0 in
26th partly-cloudy 82°F 50°F 0.00 in 0.0 in
27th partly-cloudy 83°F 59°F 0.00 in 0.0 in
28th mostly-cloudy 71°F 56°F 0.00 in 0.0 in
29th rain-shower 74°F 51°F 0.07 in 0.0 in
30th rain-shower 62°F 46°F 0.03 in 0.0 in
31st mostly-cloudy 71°F 39°F 0.00 in 0.0 in

Noteworthy Item(s)

  • Daily record high temperature was tied on the 19th. It officially reached 91°F; current record was 91°F set in 1962.
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 Sct. Thunderstorm Thunderstorm Haze

Degree Day Summary

Heating and cooling degree days (base 65°F)

Heating Degree Days

262.0

Normal: 163.0
Departure: + 99.0

Cooling Degree Days

48.0

Normal: 0.0
Departure: + 48.0

Climate Activity Summary

Key temperature and precipitation patterns for the month

Days at or
Above 90°F

2

Days Above Freezing

31

Days That Stayed Below Freezing

0

Freezing Nights (Low Below 32°F)

0

Days with Precipitation

12

Days with
Snowfall

0

Wind Summary

Monthly wind averages, peak gusts, and dominant direction

Average Wind Speed

1.5 mph

Peak Wind Gust

21 mph

Dominant Wind Direction

W

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.