Dennis climate

Dennis Weather in June

NOAA 1991-2020 normals for Hyannis, 12 km from Dennis

Average highs run from 67°F on June 1 to 76°F on June 30, and lows from 52°F to 62°F. Normal precipitation for the month is 3.33 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 Dennis, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

June at a glance

Average high
72°F
Average low
57°F
Precipitation
3.33 in
Record high
92°FJun 21, 2012
Record low
36°FJun 2, 2026
Chance of a freeze
0%
Daylight
15 h 00 min to 15 h 10 min
Cloud cover
65%
Humidity
89%
Dew point
57°F
Wind
13.4 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 167°F52°F80°F 201339°F 202630%0%
Jun 267°F52°F84°F 200736°F 202630%0%
Jun 367°F53°F80°F 200841°F 201530%0%
Jun 468°F53°F81°F 202039°F 201530%0%
Jun 568°F53°F83°F 202541°F 201129%0%
Jun 668°F54°F89°F 202143°F 201229%0%
Jun 769°F54°F87°F 199942°F 201729%0%
Jun 869°F54°F89°F 199939°F 201729%0%
Jun 969°F55°F90°F 200845°F 201029%0%
Jun 1070°F55°F81°F 200048°F 202328%0%
Jun 1170°F55°F84°F 200844°F 202128%0%
Jun 1270°F56°F89°F 201745°F 200428%0%
Jun 1371°F56°F91°F 201745°F 200428%0%
Jun 1471°F57°F83°F 202650°F 201228%0%
Jun 1571°F57°F82°F 201647°F 201128%0%
Jun 1672°F57°F81°F 200444°F 200327%0%
Jun 1772°F58°F84°F 200639°F 200327%0%
Jun 1872°F58°F87°F 201445°F 201527%0%
Jun 1973°F58°F83°F 202044°F 200527%0%
Jun 2073°F59°F91°F 201243°F 200527%0%
Jun 2173°F59°F92°F 201246°F 200226%0%
Jun 2274°F59°F91°F 201249°F 199926%0%
Jun 2374°F60°F84°F 201049°F 201426%0%
Jun 2474°F60°F92°F 202549°F 200726%0%
Jun 2575°F60°F90°F 202551°F 201626%0%
Jun 2675°F61°F90°F 199949°F 201625%0%
Jun 2775°F61°F89°F 199950°F 201525%0%
Jun 2876°F61°F87°F 201048°F 201425%0%
Jun 2976°F62°F89°F 202154°F 201425%0%
Jun 3076°F62°F88°F 201254°F 202625%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Dennis, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

June 1
sunrise 5:09 AM, sunset 8:09 PM
June 30
sunrise 5:09 AM, sunset 8:19 PM

Every day of June: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00193821 (Hyannis), public domain. Records: NOAA GHCN-Daily, station USW00094720, 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.