Historical climate averages in Seattle for March
United States · 1991–1991 · 5 daily observations
A month-level reference built from observed daily highs, lows, and precipitation values. Use it to see how March fits into Seattle's annual pattern, then jump to nearby months below.
Average High
12.6°C
Average Low
0.7°C
Record High
13.8°C
Record Low
-1.1°C
Average Daily Precipitation
0.5mm
Data Coverage
1991–1991 (5 obs)
March in context
March in Seattle is the 6th warmest month by average daytime high. Average highs reach 12.6°C and average lows settle near 0.7°C.
the 6th wettest month by average daily precipitation. Average daily precipitation is 0.5mm, versus 7.1mm in December, the wettest month.
This snapshot is built from 5 daily observations collected between 1991 and 1991. 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: -4.5°C vs city-wide monthly average
- Nighttime lows: -7.4°C vs city-wide monthly average
- Daily precipitation: -1.8mm vs city-wide monthly average
Archive quality
- Coverage: 1991–1991 (5 obs)
- Temperature span: 14.9°C between record low and high
- Driest month benchmark: September at 0.0mm
How this summary is calculated
PastWeather groups all recorded days for March, 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 March 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.