Jefferson County climate

Jefferson County Weather in June

NOAA 1991-2020 normals for Hamer 4 Nw, 16.7 km from Jefferson County

Average highs run from 74°F on June 1 to 84°F on June 30, and lows from 42°F to 46°F. Normal precipitation for the month is 1.11 in over about 6 wet days.

June day by day

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

Normal daily high and low temperature at Jefferson County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

June at a glance

Average high
79°F
Average low
44°F
Precipitation
1.11 in
Record high
102°FJun 25, 1988
Record low
29°FJun 1, 2000
Chance of a freeze
59%
Days of 90°F or more
2.9
Daylight
15 h 15 min to 15 h 24 min
Cloud cover
55%
Humidity
50%
Dew point
39°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
Jun 174°F42°F93°F 197729°F 200023%0%
Jun 275°F42°F88°F 198629°F 195123%0%
Jun 375°F42°F92°F 202132°F 195023%0%
Jun 475°F42°F93°F 195733°F 195122%0%
Jun 575°F42°F94°F 197730°F 199822%0%
Jun 676°F43°F98°F 197734°F 196222%0%
Jun 776°F43°F92°F 198531°F 195022%0%
Jun 876°F43°F90°F 201729°F 197922%0%
Jun 977°F43°F90°F 195630°F 201921%0%
Jun 1077°F43°F93°F 201331°F 200221%0%
Jun 1177°F43°F90°F 196130°F 202621%0%
Jun 1278°F43°F93°F 195934°F 200120%0%
Jun 1378°F44°F95°F 202132°F 199020%0%
Jun 1478°F44°F95°F 202133°F 197620%0%
Jun 1579°F44°F97°F 197432°F 198119%0%
Jun 1679°F44°F95°F 197434°F 200019%0%
Jun 1779°F44°F95°F 197432°F 197819%0%
Jun 1880°F44°F95°F 197431°F 201018%0%
Jun 1980°F44°F94°F 197432°F 202418%0%
Jun 2080°F45°F94°F 196132°F 200017%0%
Jun 2181°F45°F94°F 196132°F 201917%0%
Jun 2281°F45°F94°F 196132°F 201917%0%
Jun 2381°F45°F95°F 198832°F 200316%0%
Jun 2482°F45°F97°F 198834°F 197616%0%
Jun 2582°F45°F102°F 198832°F 196616%0%
Jun 2683°F46°F98°F 197031°F 197615%0%
Jun 2783°F46°F97°F 201534°F 194915%0%
Jun 2883°F46°F97°F 196635°F 196515%0%
Jun 2984°F46°F101°F 201536°F 195414%0%
Jun 3084°F46°F95°F 200834°F 196314%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Jefferson County, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

June 1
sunrise 5:50 AM, sunset 9:05 PM
June 30
sunrise 5:51 AM, sunset 9:15 PM

Every day of June: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00103964 (Hamer 4 Nw), public domain. Records: NOAA GHCN-Daily, station USW00024145, 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.