Eureka climate

Eureka Weather in June

NOAA 1991-2020 normals for St Louis Sprt Of S L AP, 17.3 km from Eureka

Average highs run from 82°F on June 1 to 89°F on June 30, and lows from 60°F to 67°F. Normal precipitation for the month is 4.31 in over about 11 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 Eureka, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

June at a glance

Average high
86°F
Average low
64°F
Precipitation
4.31 in
Record high
109°FJun 28, 2012
Record low
45°FJun 1, 2003
Chance of a freeze
0%
Days of 90°F or more
9.1
Daylight
14 h 41 min to 14 h 49 min
Cloud cover
55%
Humidity
77%
Dew point
65°F
Wind
4.9 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
Jun 182°F60°F96°F 201845°F 200338%0%
Jun 282°F61°F93°F 202346°F 200338%0%
Jun 382°F61°F95°F 201149°F 200137%0%
Jun 483°F61°F97°F 201149°F 198837%0%
Jun 583°F61°F94°F 199945°F 199337%0%
Jun 683°F62°F96°F 199947°F 199837%0%
Jun 784°F62°F95°F 201147°F 200037%0%
Jun 884°F62°F95°F 201151°F 201737%0%
Jun 984°F63°F93°F 202646°F 202336%0%
Jun 1085°F63°F96°F 201845°F 198836%0%
Jun 1185°F63°F96°F 201846°F 198836%0%
Jun 1285°F63°F96°F 201650°F 199236%0%
Jun 1385°F64°F96°F 202250°F 199536%0%
Jun 1486°F64°F97°F 202148°F 201436%0%
Jun 1586°F64°F98°F 201653°F 198936%0%
Jun 1686°F64°F100°F 201647°F 198936%0%
Jun 1786°F65°F96°F 201849°F 199936%0%
Jun 1887°F65°F101°F 202150°F 199935%0%
Jun 1987°F65°F97°F 198853°F 202235%0%
Jun 2087°F65°F99°F 198848°F 200335%0%
Jun 2187°F65°F100°F 198849°F 199235%0%
Jun 2287°F66°F101°F 198846°F 199235%0%
Jun 2388°F66°F99°F 201651°F 200435%0%
Jun 2488°F66°F103°F 198855°F 200134%0%
Jun 2588°F66°F102°F 198854°F 200434%0%
Jun 2688°F66°F96°F 200550°F 200434%0%
Jun 2788°F66°F100°F 201252°F 199234%0%
Jun 2888°F67°F109°F 201252°F 199234%0%
Jun 2989°F67°F106°F 201253°F 200434%0%
Jun 3089°F67°F105°F 201258°F 200433%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Eureka, 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 5:40 AM, sunset 8:21 PM
June 30
sunrise 5:42 AM, sunset 8:31 PM

Every day of June: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00003966 (St Louis Sprt Of S L AP), public domain. Records: NOAA GHCN-Daily, station USW00003966, 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.