Best Time to See Kissing Bugs in California
May, June and July is the best time to see kissing bugs in California. Based on 17 verified iNaturalist observations, here is exactly when kissing bugs 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.
Eastern Bloodsucking Conenose · Katja Schulz CC BY
Triatoma rubida · Sam Kieschnick CC BY
Triatoma gerstaeckeri · dhasdf CC BY
17 verified observations of kissing bugs in California, recorded across 4 months of the year on iNaturalist.
When kissing bugs are recorded in California
Peak month
May
13 records (76.5% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 0 | 0% |
| February | 0 | 0% |
| March | 0 | 0% |
| April | 0 | 0% |
| Maypeak | 13 | 76.5% |
| Junepeak | 2 | 11.8% |
| Julypeak | 1 | 5.9% |
| August | 1 | 5.9% |
| September | 0 | 0% |
| October | 0 | 0% |
| November | 0 | 0% |
| December | 0 | 0% |
Kissing Bugs you are most likely to see
| Species | Verified observations |
|---|---|
| Triatoma rubida | 17 |
Weather to expect, source Open-Meteo
Typical weather in California
Recent typical conditions by month, so you can plan a trip around both when kissing bugs are active and what the weather is doing. The best months to look for kissing bugs sit around 46 to 94 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" |
| Mar | 55°F | 33°F | 7.3" |
| Apr | 66°F | 40°F | 1.8" |
| Maybest time | 73°F | 46°F | 1.6" |
| Junbest time | 84°F | 55°F | 0.2" |
| Julbest time | 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.
Sightings of kissing bugs in California peak in May, when 13 of the year's 17 verified observations are logged — about 76.5% of the annual total. Activity stays high through May, June and July.
The quietest stretch is January, February and March, when kissing bugs are hardest to find — no verified records exist for January. If a reliable sighting matters, plan around the peak window rather than the off-season.
The kissing bugs you are most likely to encounter in California are Triatoma rubida — 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 kissing bugs 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 kissing bugs in California?+
May is the single best month, and the broader peak window runs through May, June and July, based on 17 verified iNaturalist observations.
When are kissing bugs hardest to see in California?+
January is the quietest month for kissing bugs in California, with no verified records on iNaturalist.
Are kissing bugs active year-round in California?+
Kissing bugs are recorded in 4 of 12 months in California, concentrated around May and June.
More wildlife in California