Best Time to See Bold Jumping Spiders in Michigan
June, May and September is the best time to see bold jumping spiders in Michigan. Based on 2,852 verified iNaturalist observations, here is exactly when bold jumping spiders are most active across the year in Michigan.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 20, 2026.
Bold Jumping Spider · Public domain CC0
Bold Jumping Spider · Adam Petrucco CC BY
Bold Jumping Spider · Jonathan Kade CC BY
2,852 verified observations of bold jumping spiders in Michigan, recorded across 12 months of the year on iNaturalist.
When bold jumping spiders are recorded in Michigan
Peak month
June
580 records (20.3% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 7 | 0.2% |
| February | 17 | 0.6% |
| March | 69 | 2.4% |
| April | 255 | 8.9% |
| Maypeak | 548 | 19.2% |
| Junepeak | 580 | 20.3% |
| July | 230 | 8.1% |
| August | 312 | 10.9% |
| Septemberpeak | 429 | 15% |
| October | 325 | 11.4% |
| November | 56 | 2% |
| December | 24 | 0.8% |
Bold Jumping Spiders you are most likely to see
| Species | Verified observations |
|---|---|
| Bold Jumping Spider | 2,852 |
Weather to expect, source Open-Meteo
Typical weather in Michigan
Recent typical conditions by month, so you can plan a trip around both when bold jumping spiders are active and what the weather is doing. The best months to look for bold jumping spiders sit around 45 to 76 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 27°F | 16°F | 2.3" |
| Feb | 28°F | 13°F | 2.4" |
| Mar | 40°F | 23°F | 3" |
| Apr | 51°F | 33°F | 2.8" |
| Maybest time | 65°F | 45°F | 3.7" |
| Junbest time | 76°F | 55°F | 2.8" |
| Jul | 80°F | 61°F | 3.6" |
| Aug | 77°F | 59°F | 3.3" |
| Sepbest time | 69°F | 53°F | 3.4" |
| Oct | 55°F | 42°F | 4.7" |
| Nov | 42°F | 30°F | 2.5" |
| Dec | 34°F | 23°F | 2.7" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Michigan. Weather varies year to year, so treat these as a guide.
Sightings of bold jumping spiders in Michigan peak in June, when 580 of the year's 2,852 verified observations are logged — about 20.3% of the annual total. Activity stays high through June, May and September.
The quietest stretch is January, when bold jumping spiders are hardest to find — January sees just 7 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The bold jumping spiders you are most likely to encounter in Michigan are Bold Jumping Spider — 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 bold jumping spiders in Michigan
- Isle Royale National Park — National Park
- North Country National Scenic Trail — National Scenic Trail
- Pictured Rocks National Lakeshore — National Lakeshore
- River Raisin National Battlefield Park — National Battlefield Park
- Sleeping Bear Dunes National Lakeshore — National Lakeshore
- Keweenaw National Historical Park — National Historical Park
Frequently asked questions
What is the best month to see bold jumping spiders in Michigan?+
June is the single best month, and the broader peak window runs through June, May and September, based on 2,852 verified iNaturalist observations.
When are bold jumping spiders hardest to see in Michigan?+
January is the quietest month for bold jumping spiders in Michigan, with only 7 verified records.
Are bold jumping spiders active year-round in Michigan?+
Bold jumping spiders are recorded in 12 of 12 months in Michigan, so they can be seen year-round, with a clear peak in June.
More wildlife in Michigan