Best Time to See Chiggers in California
April, March and May is the best time to see chiggers in California. Based on 39 verified iNaturalist observations, here is exactly when chiggers are most active across the year in California.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 22, 2026.
Hannemania monticola · Reid Hardin CC BY
39 verified observations of chiggers in California, recorded across 11 months of the year on iNaturalist.
When chiggers are recorded in California
Peak month
April
7 records (17.9% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 3 | 7.7% |
| February | 1 | 2.6% |
| Marchpeak | 5 | 12.8% |
| Aprilpeak | 7 | 17.9% |
| Maypeak | 5 | 12.8% |
| June | 5 | 12.8% |
| July | 2 | 5.1% |
| August | 4 | 10.3% |
| September | 1 | 2.6% |
| October | 3 | 7.7% |
| November | 0 | 0% |
| December | 3 | 7.7% |
Chiggers you are most likely to see
| Species | Verified observations |
|---|---|
| Chiggers | 39 |
Weather to expect, source Open-Meteo
Typical weather in California
Recent typical conditions by month, so you can plan a trip around both when chiggers are active and what the weather is doing. The best months to look for chiggers sit around 33 to 73 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 53°F | 31°F | 5.6" |
| Feb | 53°F | 30°F | 4.4" |
| Marbest time | 55°F | 33°F | 7.3" |
| Aprbest time | 66°F | 40°F | 1.8" |
| Maybest time | 73°F | 46°F | 1.6" |
| Jun | 84°F | 55°F | 0.2" |
| Jul | 94°F | 62°F | 0" |
| Aug | 93°F | 62°F | 0.3" |
| Sep | 85°F | 57°F | 0.8" |
| Oct | 73°F | 46°F | 1.2" |
| Nov | 61°F | 36°F | 2.3" |
| Dec | 53°F | 33°F | 7.8" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for California. Weather varies year to year, so treat these as a guide.
More on chiggers in California:
Sightings of chiggers in California peak in April, when 7 of the year's 39 verified observations are logged — about 17.9% of the annual total. Activity stays high through April, March and May.
The quietest stretch is November, February and September, when chiggers are hardest to find — no verified records exist for November. If a reliable sighting matters, plan around the peak window rather than the off-season.
The chiggers you are most likely to encounter in California are Chiggers — the most-recorded species in the state. Each keeps its own seasonal rhythm, but the month-by-month pattern above reflects every reported sighting together.
Where to go
Best places to see chiggers in California
- Alcatraz Island
- Cabrillo National Monument — National Monument
- Channel Islands National Park — National Park
- Death Valley National Park — National Park
- Devils Postpile National Monument — National Monument
- Golden Gate National Recreation Area — National Recreation Area
Frequently asked questions
What is the best month to see chiggers in California?+
April is the single best month, and the broader peak window runs through April, March and May, based on 39 verified iNaturalist observations.
When are chiggers hardest to see in California?+
November is the quietest month for chiggers in California, with no verified records on iNaturalist.
Are chiggers active year-round in California?+
Chiggers are recorded in 11 of 12 months in California, so they can be seen year-round, with a clear peak in April.
More places to see chiggers
More wildlife in California