Larimer County climate

Larimer County Weather in May

NOAA 1991-2020 normals for Buckhorn Mtn 1 E, 14.9 km from Larimer County

Average highs run from 54°F on May 1 to 66°F on May 31, and lows from 33°F to 44°F. Normal precipitation for the month is 3.42 in over about 12 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 Larimer County, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
60°F
Average low
39°F
Precipitation
3.42 in
Snowfall
14.0 in
Record high
98°FMay 29, 2000
Record low
10°FMay 2, 2013
Chance of a freeze
98%
Daylight
13 h 58 min to 14 h 53 min
Cloud cover
70%
Humidity
61%
Dew point
29°F
Wind
6.9 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 154°F33°F84°F 200722°F 200536%20%
May 255°F33°F87°F 202110°F 201336%20%
May 355°F34°F82°F 200010°F 201336%19%
May 455°F34°F91°F 200018°F 200836%18%
May 556°F34°F91°F 200030°F 201337%18%
May 656°F35°F91°F 200430°F 201337%17%
May 756°F35°F90°F 200429°F 201037%16%
May 857°F36°F89°F 202226°F 201037%16%
May 957°F36°F86°F 201126°F 201038%15%
May 1058°F36°F87°F 199128°F 199038%14%
May 1158°F37°F88°F 201827°F 200838%14%
May 1258°F37°F90°F 202229°F 200838%13%
May 1359°F38°F89°F 202526°F 200039%13%
May 1459°F38°F92°F 202627°F 201439%12%
May 1560°F38°F90°F 202630°F 201439%11%
May 1660°F39°F93°F 199634°F 201139%11%
May 1760°F39°F87°F 199432°F 199040%10%
May 1861°F40°F90°F 199635°F 199540%10%
May 1961°F40°F89°F 200632°F 201740%9%
May 2062°F40°F91°F 200631°F 201740%9%
May 2162°F41°F93°F 200531°F 201740%8%
May 2263°F41°F92°F 200531°F 202241%8%
May 2363°F42°F93°F 200032°F 202241%7%
May 2463°F42°F88°F 200534°F 201941%7%
May 2564°F42°F87°F 201334°F 201941%6%
May 2664°F43°F89°F 202636°F 199541%6%
May 2765°F43°F90°F 201838°F 202041%6%
May 2865°F43°F95°F 200635°F 201741%5%
May 2965°F44°F98°F 200036°F 201741%5%
May 3066°F44°F92°F 199435°F 201941%5%
May 3166°F44°F86°F 201835°F 201941%4%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Larimer County, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

May 1
sunrise 6:00 AM, sunset 7:58 PM
May 31
sunrise 5:33 AM, sunset 8:26 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00051060 (Buckhorn Mtn 1 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.