Windsor climate

Windsor Weather in May

NOAA 1991-2020 normals for Ft Collins 4 E, 15 km from Windsor

Average highs run from 64°F on May 1 to 76°F on May 31, and lows from 38°F to 48°F. Normal precipitation for the month is 2.54 in over about 11 wet days.

May day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Windsor, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
70°F
Average low
43°F
Precipitation
2.54 in
Snowfall
1.8 in
Record high
98°FMay 29, 2000
Record low
10°FMay 2, 2013
Chance of a freeze
61%
Days of 90°F or more
0.5
Daylight
13 h 56 min to 14 h 51 min
Cloud cover
61%
Humidity
51%
Dew point
35°F
Wind
7.8 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
May 164°F38°F84°F 200722°F 200533%6%
May 265°F38°F87°F 202110°F 201334%6%
May 365°F39°F82°F 200010°F 201334%6%
May 465°F39°F91°F 200018°F 200834%5%
May 566°F39°F91°F 200030°F 201334%5%
May 666°F40°F91°F 200430°F 201334%5%
May 766°F40°F90°F 200429°F 201035%5%
May 867°F40°F89°F 202226°F 201035%4%
May 967°F41°F86°F 201126°F 201035%4%
May 1067°F41°F87°F 199128°F 199035%4%
May 1168°F41°F88°F 201827°F 200835%4%
May 1268°F42°F90°F 202229°F 200835%4%
May 1369°F42°F89°F 202526°F 200035%4%
May 1469°F43°F92°F 202627°F 201435%3%
May 1569°F43°F90°F 202630°F 201435%3%
May 1670°F43°F93°F 199634°F 201135%3%
May 1770°F44°F87°F 199432°F 199035%3%
May 1871°F44°F90°F 199635°F 199535%3%
May 1971°F44°F89°F 200632°F 201735%3%
May 2071°F45°F91°F 200631°F 201735%2%
May 2172°F45°F93°F 200531°F 201735%2%
May 2272°F45°F92°F 200531°F 202235%2%
May 2373°F46°F93°F 200032°F 202235%2%
May 2473°F46°F88°F 200534°F 201935%2%
May 2574°F46°F87°F 201334°F 201935%2%
May 2674°F47°F89°F 202636°F 199535%1%
May 2774°F47°F90°F 201838°F 202035%1%
May 2875°F47°F95°F 200635°F 201734%1%
May 2975°F47°F98°F 200036°F 201734%1%
May 3076°F48°F92°F 199435°F 201934%1%
May 3176°F48°F86°F 201835°F 201934%1%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Windsor, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

May 1
sunrise 5:59 AM, sunset 7:55 PM
May 31
sunrise 5:32 AM, sunset 8:23 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00053006 (Ft Collins 4 E), public domain. Records: NOAA GHCN-Daily, station USC00055236, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.