Moving from Phoenix to Toronto
A climate comparison of two homes: Arizona to Ontario. The dates below come from the nearest official weather station to each place.
Climate Match
Your growing season runs 151 days shorter, 354 days becomes 203 days.
Phoenix, AZ to Toronto, ON
The full comparison
| Measure | From | To | Change |
|---|---|---|---|
| Frost-free season | 354 days | 203 days | 151 days shorter |
| Last spring frost | January 8 | April 13 | 95 days later |
| Coldest month | 12C in December | -4C in January | 15C colder |
| Months below freezing | 0 months | 3 months | 3 more |
| Warmest month | 34C in July | 22C in July | 11C cooler |
Moving from Phoenix to Toronto reshapes the home year. The coldest month is 15C colder. Summers get 11C cooler. Your growing season is 151 days shorter. Plan on a new rhythm for the house and garden.
What changes about the house
- Coldest month: it is colder at the destination. Check local heating needs and winterize before the cold season.
- Freezing months: there are more at the destination. Plan for a longer period of freeze-related home maintenance.
- Garden: the frost-free season is shorter or the last spring frost is later. Consider transplants, short-season varieties, and cold frames.
Season by season
Spring starts later
Your last spring frost moves from January 8 to April 13, 95 days later. Delay tender planting and spring openings.
Summers run cooler
The warmest month goes from 34C in July to 22C in July. Cooler peaks mean less cooling stress, but watch humidity and ventilation.
Winters look harsher
Winter coldest month goes from 12C in December to -4C in January; freezing months go from 0 months to 3 months. The winter measures point to a colder season; check local heating and winter-maintenance needs.
Tools for both places
Moving from Phoenix to Toronto, answered
What is the biggest climate change from Phoenix to Toronto?
Your growing season runs 151 days shorter, 354 days becomes 203 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: Phoenix Deer Valley Muni Ap near Phoenix and Toronto near Toronto. 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 Phoenix Deer Valley Muni Ap (near Phoenix, AZ) and Toronto (near Toronto, ON). 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.