Moving from Seattle to Austin
A climate comparison of two homes: Washington to Texas. The dates below come from the nearest official weather station to each place.
Climate Match
Your summers run 10C hotter, from 20C in August to 30C in August.
Seattle, WA to Austin, TX
The full comparison
| Measure | From | To | Change |
|---|---|---|---|
| Warmest month | 20C in August | 30C in August | 10C hotter |
| Frost-free season | 247 days | 291 days | 44 days longer |
| Coldest month | 6C in December | 11C in January | 6C warmer |
| Last spring frost | March 13 | February 20 | 21 days earlier |
Moving from Seattle to Austin reshapes the home year. The coldest month is 6C warmer. Summers get 10C hotter. Your growing season is 44 days longer. Plan on a new rhythm for the house and garden.
What changes about the house
- Coldest month: it is warmer at the destination, though unusual cold can still occur.
- Cooling: hotter peaks make air conditioning or shading more important. Check attic insulation and window sealing so the house does not trap heat.
- Garden: the frost-free season is longer or the last spring frost is earlier. Check both dates when planning crops and succession sowings.
Season by season
Spring starts earlier
Your last spring frost moves from March 13 to February 20, 21 days earlier. Start planting and outdoor prep sooner.
Summers run hotter
The warmest month goes from 20C in August to 30C in August. Air conditioning, shading, and cooling-load planning matter more.
Winter measure suggests milder
Winter coldest month goes from 6C in December to 11C in January. This measure points to a milder season, though unusual cold and ice can still occur.
Tools for both places
Moving from Seattle to Austin, answered
What is the biggest climate change from Seattle to Austin?
Your summers run 10C hotter, from 20C in August to 30C in August. That is the largest shift in the 30-year climate record.
How are these numbers computed?
From official 30-year climate normals at the nearest station to each place: Seattle Boeing Fld near Seattle and Austin-Camp Mabry 72254 near Austin. They are planning averages, not forecasts; local microclimates can run a week or two off the station record.
Does the comparison work in reverse?
Yes. Open the comparison tool and swap the two places; the deltas reverse direction but the match score stays the same.
Method and sources
Temperatures and frost dates are from the 30-year climate normals at Seattle Boeing Fld (near Seattle, WA) and Austin-Camp Mabry 72254 (near Austin, TX). Canadian data is from Environment and Climate Change Canada; United States data is from NOAA NCEI. These are planning averages, not forecasts. See themethodology page for the full calculation.