The highest day temperature in June 2026 was 87°F. The lowest night temperature was 48°F. The average values for day and night temperatures during June were 72.0°F и 56.4°F respectivly.

The average sea surface temperature in June 2026 for Bellingham was 60.2°F. The maximum and minimum values were 54.6°F and 64.6°F respectively.

Most of the days in June are sunny but you can also expect cloudy and gloomy days.

Precipitation total in June for Bellingham is 0.8 in. It makes june one of the least rainy months of the year.

The average wind speed in June is 4.4 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Bellingham in June is 9.2 hours.