Historical climate averages in Seattle for July

United States · 2021–2021 · 1 daily observations

A month-level reference built from observed daily highs, lows, and precipitation values. Use it to see how July fits into Seattle's annual pattern, then jump to nearby months below.

Average High

23.5°C

Average Low

17.5°C

Record High

23.5°C

Record Low

17.5°C

Average Daily Precipitation

0.1mm

Data Coverage

2021–2021 (1 obs)

July in context

July in Seattle is the 4th warmest month by average daytime high. Average highs reach 23.5°C and average lows settle near 17.5°C.

the 7th wettest month by average daily precipitation. Average daily precipitation is 0.1mm, versus 7.1mm in December, the wettest month.

This snapshot is built from 1 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: +6.4°C vs city-wide monthly average
  • Nighttime lows: +9.4°C vs city-wide monthly average
  • Daily precipitation: -2.2mm vs city-wide monthly average

Archive quality

  • Coverage: 2021–2021 (1 obs)
  • Temperature span: 6.0°C between record low and high
  • Driest month benchmark: September at 0.0mm

How this summary is calculated

PastWeather groups all recorded days for July, 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 July 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.