Moving from Vancouver to Phoenix
A climate comparison of two homes: British Columbia to Arizona. The dates below come from the nearest official weather station to each place.
Climate Match
Your growing season runs 117 days longer, 237 days becomes 354 days.
Vancouver, BC to Phoenix, AZ
The full comparison
| Measure | From | To | Change |
|---|---|---|---|
| Frost-free season | 237 days | 354 days | 117 days longer |
| Last spring frost | March 18 | January 8 | 69 days earlier |
| Warmest month | 18C in July | 34C in July | 16C hotter |
| Coldest month | 4C in December | 12C in December | 8C warmer |
Moving from Vancouver to Phoenix reshapes the home year. The coldest month is 8C warmer. Summers get 16C hotter. Your growing season is 117 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 18 to January 8, 69 days earlier. Start planting and outdoor prep sooner.
Summers run hotter
The warmest month goes from 18C in July to 34C in July. Air conditioning, shading, and cooling-load planning matter more.
Winter measure suggests milder
Winter coldest month goes from 4C in December to 12C in December. This measure points to a milder season, though unusual cold and ice can still occur.
Tools for both places
Moving from Vancouver to Phoenix, answered
What is the biggest climate change from Vancouver to Phoenix?
Your growing season runs 117 days longer, 237 days becomes 354 days. 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: Vancouver Intl Airport near Vancouver and Phoenix Deer Valley Muni Ap near Phoenix. 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 Vancouver Intl Airport (near Vancouver, BC) and Phoenix Deer Valley Muni Ap (near Phoenix, AZ). 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.