Union County climate

Union County Weather in June

NOAA 1991-2020 normals for Grenville, 18.2 km from Union County

Average highs run from 79°F on June 1 to 86°F on June 30, and lows from 49°F to 56°F. Normal precipitation for the month is 1.88 in over about 7 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 Union County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

June at a glance

Average high
83°F
Average low
53°F
Precipitation
1.88 in
Record high
105°FJun 27, 1924
Record low
31°FJun 2, 1919
Chance of a freeze
0%
Days of 90°F or more
7.8
Daylight
14 h 30 min to 14 h 37 min
Cloud cover
45%
Humidity
43%
Dew point
42°F
Wind
11.9 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 179°F49°F100°F 199834°F 191922%0%
Jun 280°F50°F100°F 200831°F 191922%0%
Jun 380°F50°F99°F 193135°F 191922%0%
Jun 480°F50°F95°F 193336°F 192822%0%
Jun 581°F50°F99°F 199039°F 192822%0%
Jun 681°F51°F95°F 190940°F 191722%0%
Jun 781°F51°F99°F 200836°F 191522%0%
Jun 882°F51°F98°F 198139°F 191522%0%
Jun 982°F52°F98°F 198142°F 195523%0%
Jun 1082°F52°F101°F 201341°F 195523%0%
Jun 1182°F52°F102°F 201340°F 197523%0%
Jun 1283°F52°F103°F 202241°F 194723%0%
Jun 1383°F53°F101°F 202440°F 194723%0%
Jun 1483°F53°F103°F 193940°F 200123%0%
Jun 1584°F53°F100°F 189642°F 191723%0%
Jun 1684°F53°F101°F 198543°F 191723%0%
Jun 1784°F54°F100°F 192445°F 191723%0%
Jun 1884°F54°F103°F 201244°F 194523%0%
Jun 1984°F54°F100°F 193143°F 192023%0%
Jun 2085°F54°F101°F 200644°F 194623%0%
Jun 2185°F55°F100°F 198145°F 198923%0%
Jun 2285°F55°F101°F 201744°F 192623%0%
Jun 2385°F55°F102°F 192445°F 192624%0%
Jun 2485°F55°F102°F 199045°F 201924%0%
Jun 2586°F55°F100°F 191146°F 195824%0%
Jun 2686°F56°F103°F 192440°F 196824%0%
Jun 2786°F56°F105°F 192446°F 198524%0%
Jun 2886°F56°F104°F 196841°F 192925%0%
Jun 2986°F56°F104°F 199850°F 194525%0%
Jun 3086°F56°F100°F 193346°F 191825%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Union 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 5:37 AM, sunset 8:07 PM
June 30
sunrise 5:39 AM, sunset 8:16 PM

Every day of June: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00293706 (Grenville), public domain. Records: NOAA GHCN-Daily, station USW00023051, 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.