Calliope Hummingbirds arrive in Washington in late April, peak in late May (2.3% of checklists), and most are gone by the second week of August.
When to look
First arrivalsApr 22-30late April
Common byApr 22-30late April
PeakMay 22-31late May
Most gone byAug 8-14the second week of August
Best: late May. First arrivals late April; most are gone by the second week of August. Peak: on about 2.3% of Washington checklists.
Jannot usually seen
Febnot usually seen
Marnot usually seen
Aprcommon
Maypeak season
Junpeak season
Julcommon
Augcommon
Seprare
Octnot usually seen
Novnot usually seen
Decnot usually seen
Darker months: more checklists report it. Outlined: peak month.
Share of complete checklists reporting it, by week (4 per month). Grey bars: fewer than 10 checklists, not counted.
Frequency is the share of complete checklists in Washington 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.
JanFebMarAprMayJunJulAugSepOctNovDec
today
0%few checklistsno data
Each county is shaded by the share of complete checklists there that listed the bird, blended with the weeks either side. Darker is more often. It follows where people watch birds, not how many birds there are. How to read it.
Ferry CountyBest late April · 150 checklists that week, 5,106 in all38%
Stevens CountyBest the second week of May · 239 checklists that week, 7,596 in all27%
Spokane CountyBest the second week of May · 1488 checklists that week, 43,379 in all24%
Okanogan CountyBest the second week of May · 562 checklists that week, 23,048 in all20%
Columbia CountyBest late July · 32 checklists that week, 1,894 in all15%
Klickitat CountyBest mid June · 506 checklists that week, 19,718 in all11%
Best spots
Share of checklists at the peak
Rose Creek PreserveWhitman County, best late May · 21 checklists that week, 407 in all82%
Loth241Spokane County, best late May · 20 checklists that week, 205 in all57%
Riverside (southeast)Spokane County, best late June · 21 checklists that week, 658 in all52%
Holmburg Conservation AreaSpokane County, best the second week of May · 20 checklists that week, 462 in all50%
Willard SpringKlickitat County, best late May · 27 checklists that week, 364 in all41%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Washington, the Calliope Hummingbird is most often listed on checklists started between 6 and 8 am (1.5% of those checklists).
Share of checklists started in each local hour that reported it. It reflects when people go birding as well as when birds are active. Grey hours have too few checklists (under 2% of the state’s, or under 200) to judge.Week-by-week table
Month
Days 1-7
8-14
15-21
22-end
January
0%
0%
0%
0%
February
0%
0%
0%
0%
March
0%
0%
0%
0%
April
0.1%
0.2%
0.6%
1.5%
May
1.8%
2.2%
2.3%
2.4%
June
2.2%
2.3%
2.2%
1.8%
July
1.7%
1.5%
1.5%
1.2%
August
1.0%
0.9%
0.7%
0.5%
September
0.2%
0.1%
0.1%
0.1%
October
0.1%
0%
0.1%
0%
November
0%
0%
0%
0%
December
0%
0%
0%
0%
Neighboring states
Oregon: arrives mid April, 1 week earlier than Washington
Idaho: arrives mid April, 1 week earlier than Washington
Montana: arrives late April, in the same week than Washington
Nevada: arrives mid April, 1 week earlier than Washington
Common questions
When do Calliope Hummingbirds arrive in Washington?
Calliope Hummingbirds arrive in Washington in late April, peak in late May (2.3% of checklists), and most are gone by the second week of August.
When do Calliope Hummingbirds leave Washington?
Most Calliope Hummingbirds have left Washington by the second week of August, when reports fall below half their usual rate.
When is the best time to see a Calliope Hummingbird in Washington?
The Calliope Hummingbird is reported most often in late May, on about 2.3% of Washington checklists.
Where in Washington are Calliope Hummingbirds seen most often?
By county, Ferry County, Stevens County, and Spokane County have the highest peak reporting rates for the Calliope Hummingbird (counties with at least 200 checklists).