Whatcom County climate

Whatcom County Weather in June

NOAA 1991-2020 normals for Upper Baker Dam, 23.7 km from Whatcom County

Average highs run from 66°F on June 1 to 71°F on June 30, and lows from 45°F to 49°F. Normal precipitation for the month is 3.32 in over about 14 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 Whatcom County, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

June at a glance

Average high
68°F
Average low
47°F
Precipitation
3.32 in
Record high
99°FJun 28, 2021
Record low
37°FJun 2, 1954
Chance of a freeze
0%
Daylight
15 h 54 min to 16 h 06 min
Cloud cover
70%
Humidity
81%
Dew point
47°F
Wind
3.1 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 166°F45°F89°F 197041°F 195147%0%
Jun 266°F45°F89°F 197037°F 195446%0%
Jun 366°F45°F87°F 198938°F 197646%0%
Jun 466°F46°F84°F 200940°F 195446%0%
Jun 566°F46°F85°F 201638°F 198846%0%
Jun 666°F46°F84°F 200339°F 195046%0%
Jun 766°F46°F82°F 202342°F 194946%0%
Jun 866°F46°F82°F 195541°F 195446%0%
Jun 966°F46°F93°F 195539°F 197146%0%
Jun 1066°F46°F81°F 198241°F 198546%0%
Jun 1167°F46°F82°F 198238°F 195246%0%
Jun 1267°F47°F85°F 201941°F 194946%0%
Jun 1367°F47°F83°F 198637°F 195245%0%
Jun 1467°F47°F84°F 202638°F 195245%0%
Jun 1567°F47°F82°F 196139°F 201244%0%
Jun 1667°F47°F84°F 195842°F 195544%0%
Jun 1767°F47°F87°F 195842°F 197144%0%
Jun 1868°F47°F87°F 195841°F 194943%0%
Jun 1968°F47°F86°F 196738°F 195542%0%
Jun 2068°F47°F83°F 202143°F 195142%0%
Jun 2168°F48°F84°F 199242°F 195641%0%
Jun 2268°F48°F85°F 199240°F 196541%0%
Jun 2369°F48°F83°F 202642°F 200840%0%
Jun 2469°F48°F86°F 201740°F 195440%0%
Jun 2569°F48°F86°F 202143°F 195439%0%
Jun 2669°F48°F95°F 202141°F 197138%0%
Jun 2770°F48°F95°F 202144°F 196338%0%
Jun 2870°F48°F99°F 202141°F 196537%0%
Jun 2970°F49°F89°F 199539°F 197536%0%
Jun 3071°F49°F87°F 201338°F 194936%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Whatcom County, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

June 1
sunrise 5:09 AM, sunset 9:03 PM
June 30
sunrise 5:08 AM, sunset 9:14 PM

Every day of June: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00458715 (Upper Baker Dam), public domain. Records: NOAA GHCN-Daily, station USW00024217, 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.