Frogs in California in May
Yes, May is one of the best months to see frogs in California. It is the 2nd busiest month of the year, with 15,059 of the 115,235 sightings logged across the year (13.1%), based on verified iNaturalist records.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.
Peak month for frogs in California
13.1%
of yearly sightings
15,059
records in May
#2
busiest month of 12
115,235
verified records a year
April 15.1%, May 13.1%, June 11.4%. Busiest month is April at 15.1%.
115,235 verified observations of frogs in California, recorded across 12 months of the year on iNaturalist.
When frogs are recorded in California
Peak month
April
17,447 records (15.1% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 4,777 | 4.1% |
| February | 7,503 | 6.5% |
| March | 12,750 | 11.1% |
| Aprilpeak | 17,447 | 15.1% |
| Maypeak | 15,059 | 13.1% |
| Junepeak | 13,141 | 11.4% |
| July | 10,904 | 9.5% |
| August | 9,273 | 8% |
| September | 8,710 | 7.6% |
| October | 6,842 | 5.9% |
| November | 5,448 | 4.7% |
| December | 3,381 | 2.9% |
Frogs you are most likely to see
| Species | Verified observations |
|---|---|
| Pacific chorus frog | 49,338 |
| Western Toad | 23,719 |
| American Bullfrog | 10,915 |
| California Tree Frog | 7,231 |
| Foothill Yellow-legged Frog | 5,158 |
| California Red-legged Frog | 5,062 |
| Western Spadefoot | 2,156 |
| Northern Red-legged Frog | 1,737 |
In California, May carries 13.1% of the year's frogs sightings, about 4.8 points above an even month-to-month split. That makes it the 2nd busiest of the twelve months, out of 12 months with recorded activity.
Activity is easing off from April (15.1%) into May, and it heads toward June (11.4%) after. This is right inside the peak window, so May is one of the surest months to plan a trip around.
The frogs most often recorded in California are Pacific chorus frog, Western Toad and American Bullfrog. Those counts are annual totals rather than a May split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in May itself.
Which frogs you are most likely to see
- Pacific chorus frog49,338 records
- Western Toad23,719 records
- American Bullfrog10,915 records
- California Tree Frog7,231 records
- Foothill Yellow-legged Frog5,158 records
- California Red-legged Frog5,062 records
Plan your frog trip in California
Start with live tours near Alcatraz Island, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
GetYourGuide
Live tours nearbySee live tours near Alcatraz Island
Use the live GetYourGuide widget to compare local departures and activity styles close to the main frog viewing area.
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Stay nearbyStay near Alcatraz Island
Compare hotels, cabins and lodges close to the best frog viewing area in California.
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Broader backupBook a frog tour in California
Compare guided wildlife tours, boat trips and nature experiences if you want a second travel network beyond the live widget.
Gear to see them
Frequently asked questions
Can you see frogs in California in May?+
Yes. May accounts for 15,059 of the 115,235 verified frogs sightings logged in California across the year, which is 13.1% of the annual total.
Is May a good time to see frogs in California?+
May is one of the best months. It ranks 2nd of the year and sits inside the peak window of April, May and June.
What month is best for frogs in California?+
April is the single busiest month, with the broader peak running through April, May and June, based on 115,235 verified observations.
Which frogs are you most likely to see in California?+
The most-recorded species in California are Pacific chorus frog, Western Toad and American Bullfrog, based on all-time iNaturalist counts.
See frogs in California in other months
More wildlife in California