Thornton climate

Thornton Weather in June

NOAA 1991-2020 normals for Marlin, 31.2 km from Thornton

Average highs run from 88°F on June 1 to 93°F on June 30, and lows from 66°F to 70°F. Normal precipitation for the month is 3.01 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 Thornton, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

June at a glance

Average high
91°F
Average low
68°F
Precipitation
3.01 in
Record high
105°FJun 14, 1998
Record low
49°FJun 11, 1988
Chance of a freeze
0%
Days of 90°F or more
19.4
Daylight
14 h 04 min to 14 h 10 min
Cloud cover
48%
Humidity
70%
Dew point
69°F
Wind
8.7 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 188°F66°F98°F 199850°F 198422%0%
Jun 288°F66°F97°F 199853°F 196422%0%
Jun 388°F66°F97°F 199851°F 197022%0%
Jun 488°F66°F97°F 198554°F 197021%0%
Jun 589°F67°F96°F 197754°F 196921%0%
Jun 689°F67°F99°F 197756°F 200021%0%
Jun 789°F67°F98°F 197753°F 197021%0%
Jun 889°F67°F97°F 198554°F 198321%0%
Jun 990°F67°F97°F 198850°F 199621%0%
Jun 1090°F68°F97°F 200660°F 198321%0%
Jun 1190°F68°F95°F 197149°F 198821%0%
Jun 1290°F68°F97°F 199856°F 199521%0%
Jun 1390°F68°F98°F 200653°F 198521%0%
Jun 1491°F68°F105°F 199855°F 198521%0%
Jun 1591°F68°F104°F 199858°F 200221%0%
Jun 1691°F69°F100°F 199854°F 198921%0%
Jun 1791°F69°F100°F 199859°F 200221%0%
Jun 1891°F69°F100°F 199661°F 196921%0%
Jun 1991°F69°F102°F 199664°F 199521%0%
Jun 2092°F69°F100°F 199058°F 198520%0%
Jun 2192°F69°F100°F 198461°F 200520%0%
Jun 2292°F69°F101°F 198464°F 200520%0%
Jun 2392°F70°F101°F 198459°F 200120%0%
Jun 2492°F70°F101°F 198462°F 200120%0%
Jun 2592°F70°F104°F 198455°F 197420%0%
Jun 2692°F70°F105°F 198457°F 197419%0%
Jun 2793°F70°F103°F 198055°F 197419%0%
Jun 2893°F70°F102°F 198060°F 197419%0%
Jun 2993°F70°F100°F 198054°F 198519%0%
Jun 3093°F70°F100°F 197857°F 198518%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Thornton, 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 (CDT).

June 1
sunrise 6:22 AM, sunset 8:26 PM
June 30
sunrise 6:25 AM, sunset 8:35 PM

Every day of June: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00415611 (Marlin), public domain. Records: NOAA GHCN-Daily, station USC00413047, 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.