American Robin · Turdus migratorius
When Do Robins Arrive in California?

American Robins are in California all year, but most are here in spring: numbers build from mid January, peak in the second week of June (26% of checklists), and fall back by mid July. In the quietest week (early September) they are still on about 10% of checklists.
When to look
Numbers buildJan 15-21mid January
PeakJun 8-14the second week of June
Fall back byJul 15-21mid July
FewestSep 1-7early September
Best: the second week of June. Here all year; numbers build from mid January and fall back by mid July. Peak: on about 26% of California checklists.
- Jancommon
- Febpeak season
- Marpeak season
- Aprpeak season
- Maypeak season
- Junpeak season
- Julpeak season
- Augcommon
- Sepcommon
- Octcommon
- Novcommon
- Deccommon
Darker months: more checklists report it. Outlined: peak month.
Robins in California, species by species
| Species | First arrivals | Peak | Most gone by | Peak % |
|---|---|---|---|---|
| American Robin | Jan 15-21 | Jun 8-14 | Jul 15-21 | 26% |
- American Robin
Frequency is the share of complete checklists in California that listed the bird, 2016–2025. It is not a head count, and it follows where and when people go birding. How to read it.
Where in California
Best counties for American Robin
Share of checklists at the peak- Nevada County66%
- Alpine County61%
- Sierra County59%
- San Francisco County57%
- Amador County56%
- El Dorado County55%
Common questions
- When do robins arrive in California?
- American Robins are in California all year, but most are here in spring: numbers build from mid January, peak in the second week of June (26% of checklists), and fall back by mid July. In the quietest week (early September) they are still on about 10% of checklists.
- When do robins leave California?
- American Robins never fully leave California: numbers fall back below half their usual rate by mid July, but some are still reported in every week, about 10% of checklists at the low.
- When is the best time to see robins in California?
- The American Robin is reported most often in the second week of June, on about 26% of California checklists.