Historical climate averages in Seattle for June
United States · 2021–2021 · 14 daily observations
A month-level reference built from observed daily highs, lows, and precipitation values. Use it to see how June fits into Seattle's annual pattern, then jump to nearby months below.
Average High
27.8°C
Average Low
15.4°C
Record High
37.9°C
Record Low
9.9°C
Average Daily Precipitation
0.0mm
Data Coverage
2021–2021 (14 obs)
June in context
June in Seattle is the warmest month by average daytime high. Average highs reach 27.8°C and average lows settle near 15.4°C.
the 8th wettest month by average daily precipitation. Average daily precipitation is 0.0mm, versus 7.1mm in December, the wettest month.
This snapshot is built from 14 daily observations collected between 2021 and 2021. Record highs and lows mark the single hottest and coldest daily readings in the archive for this month.
Relative to the full year
- Daytime highs: +10.7°C vs city-wide monthly average
- Nighttime lows: +7.3°C vs city-wide monthly average
- Daily precipitation: -2.3mm vs city-wide monthly average
Archive quality
- Coverage: 2021–2021 (14 obs)
- Temperature span: 28.0°C between record low and high
- Driest month benchmark: September at 0.0mm
How this summary is calculated
PastWeather groups all recorded days for June, then calculates the average daytime high, average nighttime low, and average daily precipitation value for that month. The cards above stay tied to observed data rather than travel copy or generic climate descriptions.
Average high / low
Mean daily maximum and minimum temperatures across every recorded June day in the archive.
Record extremes
The single hottest and coldest daily readings observed during this month, useful for understanding outlier risk.
Precipitation note
Precipitation is shown as an average daily value for this month, which helps compare wetter and drier parts of the year on the same basis.
Explore another month
Move month by month or jump straight to the warmest, coldest, or wettest part of the year for Seattle.