Jefferson County climate

Jefferson County Weather in June

NOAA 1991-2020 normals for Oskaloosa 4 Ne, 9.5 km from Jefferson County

Average highs run from 82°F on June 1 to 88°F on June 30, and lows from 60°F to 67°F. Normal precipitation for the month is 5.36 in over about 9 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.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

June at a glance

Average high
85°F
Average low
64°F
Precipitation
5.36 in
Record high
107°FJun 13, 1953
Record low
42°FJun 1, 1964
Chance of a freeze
0%
Days of 90°F or more
5.3
Daylight
14 h 45 min to 14 h 54 min
Cloud cover
53%
Humidity
75%
Dew point
65°F
Wind
10.1 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 182°F60°F96°F 201842°F 196432%0%
Jun 282°F60°F93°F 195246°F 195632%0%
Jun 382°F60°F97°F 197245°F 196932%0%
Jun 482°F61°F96°F 196044°F 195032%0%
Jun 583°F61°F98°F 197743°F 199332%0%
Jun 683°F61°F97°F 197244°F 199832%0%
Jun 783°F62°F98°F 196349°F 199232%0%
Jun 884°F62°F98°F 198148°F 200332%0%
Jun 984°F62°F98°F 195349°F 195532%0%
Jun 1084°F62°F100°F 195343°F 198831%0%
Jun 1184°F63°F105°F 195343°F 198831%0%
Jun 1285°F63°F102°F 195349°F 198531%0%
Jun 1385°F63°F107°F 195344°F 198531%0%
Jun 1485°F63°F98°F 198751°F 194731%0%
Jun 1585°F64°F102°F 195351°F 195531%0%
Jun 1686°F64°F97°F 201850°F 196931%0%
Jun 1786°F64°F101°F 202150°F 199931%0%
Jun 1886°F64°F106°F 195349°F 200030%0%
Jun 1986°F65°F103°F 195347°F 197630%0%
Jun 2087°F65°F100°F 195249°F 197630%0%
Jun 2187°F65°F100°F 202248°F 197230%0%
Jun 2287°F65°F103°F 201649°F 197229%0%
Jun 2387°F66°F100°F 200952°F 197229%0%
Jun 2487°F66°F102°F 202450°F 196129%0%
Jun 2588°F66°F101°F 195450°F 195828%0%
Jun 2688°F66°F101°F 195449°F 197428%0%
Jun 2788°F66°F106°F 198049°F 196828%0%
Jun 2888°F67°F106°F 201252°F 198528%0%
Jun 2988°F67°F103°F 195254°F 200427%0%
Jun 3088°F67°F103°F 201255°F 197627%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.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

June 1
sunrise 5:57 AM, sunset 8:42 PM
June 30
sunrise 5:58 AM, sunset 8:52 PM

Every day of June: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00146100 (Oskaloosa 4 Ne), public domain. Records: NOAA GHCN-Daily, station USW00013996, 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.