McCone County climate

McCone County Weather in May

NOAA 1991-2020 normals for Circle, 29.9 km from McCone County

Average highs run from 63°F on May 1 to 73°F on May 31, and lows from 36°F to 47°F. Normal precipitation for the month is 2.55 in over about 7 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 McCone County, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
68°F
Average low
42°F
Precipitation
2.55 in
Record high
96°FMay 18, 2006
Record low
10°FMay 3, 2005
Chance of a freeze
96%
Daylight
14 h 30 min to 15 h 42 min
Cloud cover
64%
Humidity
55%
Dew point
38°F
Wind
11.6 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
May 163°F36°F83°F 200017°F 201321%
May 264°F37°F90°F 200017°F 200521%
May 364°F37°F85°F 202510°F 200521%
May 464°F37°F92°F 202516°F 200221%
May 565°F38°F88°F 201622°F 200621%
May 665°F38°F88°F 201715°F 202622%
May 765°F38°F83°F 201726°F 202622%
May 866°F39°F90°F 202524°F 201422%
May 966°F39°F85°F 200725°F 200222%
May 1066°F39°F95°F 202523°F 200222%
May 1167°F40°F92°F 202522°F 202023%
May 1267°F40°F95°F 202526°F 200023%
May 1367°F41°F92°F 200124°F 200023%
May 1468°F41°F85°F 200123°F 200923%
May 1568°F41°F85°F 201825°F 200923%
May 1668°F42°F91°F 201223°F 200924%
May 1769°F42°F87°F 202123°F 200224%
May 1869°F43°F96°F 200628°F 201524%
May 1969°F43°F85°F 200621°F 202625%
May 2070°F43°F85°F 202023°F 200325%
May 2170°F44°F85°F 200229°F 200125%
May 2270°F44°F88°F 202324°F 202226%
May 2371°F44°F91°F 201430°F 200126%
May 2471°F45°F89°F 201427°F 200226%
May 2571°F45°F93°F 202628°F 200426%
May 2672°F45°F96°F 202632°F 200727%
May 2772°F46°F94°F 202632°F 200827%
May 2872°F46°F95°F 202632°F 201927%
May 2973°F46°F93°F 202633°F 201527%
May 3073°F47°F90°F 200934°F 201728%
May 3173°F47°F90°F 202035°F 202428%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at McCone County, in percent.01020301102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (MDT).

May 1
sunrise 5:46 AM, sunset 8:16 PM
May 31
sunrise 5:10 AM, sunset 8:52 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00241758 (Circle), public domain. Records: NOAA GHCN-Daily, station USW00094017, 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.