Mason County climate

Mason County Weather in June

NOAA 1991-2020 normals for Cushman Powerhouse #2, 2.8 km from Mason County

Average highs run from 68°F on June 1 to 72°F on June 30, and lows from 49°F to 52°F. Normal precipitation for the month is 1.91 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 Mason County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

June at a glance

Average high
70°F
Average low
50°F
Precipitation
1.91 in
Record high
110°FJun 28, 2021
Record low
33°FJun 5, 2023
Chance of a freeze
0%
Daylight
15 h 42 min to 15 h 53 min
Cloud cover
66%
Humidity
80%
Dew point
49°F
Wind
3.4 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 168°F49°F89°F 202137°F 202634%0%
Jun 268°F49°F86°F 200937°F 199933%0%
Jun 368°F49°F90°F 200939°F 200333%0%
Jun 468°F49°F92°F 200939°F 201133%0%
Jun 568°F49°F97°F 201633°F 202333%0%
Jun 668°F49°F94°F 200336°F 202333%0%
Jun 768°F49°F91°F 201537°F 202232%0%
Jun 868°F49°F94°F 202536°F 200232%0%
Jun 969°F49°F89°F 202537°F 202132%0%
Jun 1069°F49°F81°F 201939°F 201731%0%
Jun 1169°F50°F92°F 201938°F 202631%0%
Jun 1269°F50°F95°F 201937°F 200731%0%
Jun 1369°F50°F94°F 200237°F 202430%0%
Jun 1469°F50°F92°F 202640°F 201030%0%
Jun 1569°F50°F92°F 202638°F 201229%0%
Jun 1669°F50°F83°F 200037°F 200429%0%
Jun 1770°F50°F90°F 201837°F 201628%0%
Jun 1870°F50°F88°F 200441°F 201628%0%
Jun 1970°F50°F87°F 200438°F 201627%0%
Jun 2070°F51°F90°F 201838°F 201227%0%
Jun 2170°F51°F92°F 202139°F 201426%0%
Jun 2271°F51°F88°F 202642°F 201726%0%
Jun 2371°F51°F93°F 202639°F 200926%0%
Jun 2471°F51°F87°F 200639°F 202225%0%
Jun 2571°F51°F98°F 201740°F 200725%0%
Jun 2671°F51°F103°F 202139°F 200724%0%
Jun 2772°F52°F107°F 202137°F 201224%0%
Jun 2872°F52°F110°F 202143°F 199823%0%
Jun 2972°F52°F92°F 200840°F 200923%0%
Jun 3072°F52°F92°F 201343°F 200722%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Mason County, 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 (PDT).

June 1
sunrise 5:20 AM, sunset 9:02 PM
June 30
sunrise 5:20 AM, sunset 9:13 PM

Every day of June: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00451939 (Cushman Powerhouse #2), public domain. Records: NOAA GHCN-Daily, station USW00094227, 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.