Moving from New York City to Seattle
A climate comparison of two homes: New York to Washington. The dates below come from the nearest official weather station to each place.
Climate Match
Your summers run 6C cooler, from 26C in July to 20C in August.
New York City, NY to Seattle, WA
The full comparison
| Measure | From | To | Change |
|---|---|---|---|
| Warmest month | 26C in July | 20C in August | 6C cooler |
| Coldest month | 1C in January | 6C in December | 4C warmer |
| Last spring frost | March 26 | March 13 | 13 days earlier |
| Frost-free season | 244 days | 247 days | 3 days longer |
Moving from New York City to Seattle reshapes the home year. Winters get 4C warmer. Summers get 6C cooler. Your growing season is 3 days longer. Most of your routine carries over.
What changes about the house
- Milder overall: heating and cooling loads may both ease, but watch humidity and ventilation in shoulder seasons.
- Garden: a longer frost-free season opens more crop choices and succession sowings. Raised beds warm earlier in spring.
Season by season
Spring starts earlier
Your last spring frost moves from March 26 to March 13, 13 days earlier. Start planting and outdoor prep sooner.
Summers run cooler
The warmest month goes from 26C in July to 20C in August. Cooler peaks mean less cooling stress, but watch humidity and ventilation.
Winters turn milder
Winter coldest month goes from 1C in January to 6C in December. Heating loads drop, but frozen-pipe and ice-storm prep may still apply.
Tools for both places
Moving from New York City to Seattle, answered
What is the biggest climate change from New York City to Seattle?
Your summers run 6C cooler, from 26C in July to 20C 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: Laguardia Ap 72503 near New York City and Seattle Boeing Fld near Seattle. 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 Laguardia Ap 72503 (near New York City, NY) and Seattle Boeing Fld (near Seattle, WA). Canadian data is from Environment and Climate Change Canada; United States data is from NOAA NCEI. These are planning averages, not forecasts. See the methodology page for the full calculation.