Rockville climate

Rockville Weather in June

NOAA 1991-2020 normals for Storrs, 19.9 km from Rockville

Average highs run from 72°F on June 1 to 79°F on June 30, and lows from 52°F to 61°F. Normal precipitation for the month is 4.52 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 Rockville, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

June at a glance

Average high
76°F
Average low
57°F
Precipitation
4.52 in
Record high
101°FJun 26, 1952
Record low
37°FJun 1, 2020
Chance of a freeze
0%
Daylight
15 h 02 min to 15 h 11 min
Cloud cover
65%
Humidity
77%
Dew point
58°F
Wind
3.8 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 172°F52°F92°F 201337°F 202038%0%
Jun 272°F53°F94°F 202340°F 202638%0%
Jun 372°F53°F91°F 197037°F 198638%0%
Jun 472°F53°F92°F 196642°F 195738%0%
Jun 573°F54°F93°F 196642°F 196438%0%
Jun 673°F54°F95°F 196837°F 196438%0%
Jun 773°F54°F98°F 199938°F 195838%0%
Jun 874°F55°F96°F 198442°F 195137%0%
Jun 974°F55°F96°F 196841°F 194937%0%
Jun 1074°F55°F98°F 200838°F 195737%0%
Jun 1174°F56°F98°F 197340°F 198037%0%
Jun 1275°F56°F97°F 197340°F 197237%0%
Jun 1375°F56°F96°F 198443°F 197437%0%
Jun 1475°F57°F97°F 195645°F 197936%0%
Jun 1576°F57°F97°F 198844°F 195836%0%
Jun 1676°F57°F96°F 195739°F 196136%0%
Jun 1776°F58°F95°F 195745°F 195436%0%
Jun 1876°F58°F95°F 195740°F 195836%0%
Jun 1977°F58°F97°F 202444°F 195036%0%
Jun 2077°F59°F98°F 202447°F 195636%0%
Jun 2177°F59°F99°F 195347°F 197036%0%
Jun 2278°F59°F94°F 199746°F 196336%0%
Jun 2378°F60°F98°F 202546°F 195835%0%
Jun 2478°F60°F99°F 202546°F 198835%0%
Jun 2578°F60°F95°F 194950°F 197935%0%
Jun 2679°F61°F101°F 195247°F 197935%0%
Jun 2779°F61°F98°F 196647°F 197935%0%
Jun 2879°F61°F97°F 196944°F 199535%0%
Jun 2979°F61°F99°F 202147°F 197035%0%
Jun 3079°F61°F100°F 196444°F 198835%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Rockville, 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 (EDT).

June 1
sunrise 5:17 AM, sunset 8:19 PM
June 30
sunrise 5:18 AM, sunset 8:29 PM

Every day of June: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00068138 (Storrs), public domain. Records: NOAA GHCN-Daily, station USW00014740, 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.