Best Time to See Bold Jumping Spiders in Montana
May, June and September is the best time to see bold jumping spiders in Montana. Based on 111 verified iNaturalist observations, here is exactly when bold jumping spiders are most active across the year in Montana.
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 · Public domain CC0
Bold Jumping Spider · Public domain CC0
111 verified observations of bold jumping spiders in Montana, recorded across 11 months of the year on iNaturalist.
When bold jumping spiders are recorded in Montana
Peak month
May
30 records (27% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 1 | 0.9% |
| February | 1 | 0.9% |
| March | 3 | 2.7% |
| April | 7 | 6.3% |
| Maypeak | 30 | 27% |
| Junepeak | 21 | 18.9% |
| July | 5 | 4.5% |
| August | 6 | 5.4% |
| Septemberpeak | 21 | 18.9% |
| October | 13 | 11.7% |
| November | 3 | 2.7% |
| December | 0 | 0% |
Bold Jumping Spiders you are most likely to see
| Species | Verified observations |
|---|---|
| Bold Jumping Spider | 111 |
Weather to expect, source Open-Meteo
Typical weather in Montana
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 36 to 65 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 29°F | 17°F | 1" |
| Feb | 22°F | 9°F | 1.5" |
| Mar | 33°F | 18°F | 1.1" |
| Apr | 40°F | 24°F | 2.3" |
| Maybest time | 53°F | 36°F | 3.5" |
| Junbest time | 65°F | 47°F | 3.2" |
| Jul | 75°F | 55°F | 2" |
| Aug | 74°F | 54°F | 1.7" |
| Sepbest time | 65°F | 46°F | 2.1" |
| Oct | 46°F | 31°F | 2" |
| Nov | 36°F | 23°F | 1" |
| Dec | 30°F | 18°F | 1" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Montana. Weather varies year to year, so treat these as a guide.
Sightings of bold jumping spiders in Montana peak in May, when 30 of the year's 111 verified observations are logged — about 27% of the annual total. Activity stays high through May, June and September.
The quietest stretch is December, January and February, when bold jumping spiders are hardest to find — no verified records exist for December. 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 Montana 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 Montana
- Big Hole National Battlefield — National Battlefield
- Bighorn Canyon National Recreation Area — National Recreation Area
- Grant-Kohrs Ranch National Historic Site — National Historic Site
- Lewis & Clark National Historic Trail — National Historic Trail
- Nez Perce National Historical Park — National Historical Park
- Yellowstone National Park — National Park
Frequently asked questions
What is the best month to see bold jumping spiders in Montana?+
May is the single best month, and the broader peak window runs through May, June and September, based on 111 verified iNaturalist observations.
When are bold jumping spiders hardest to see in Montana?+
December is the quietest month for bold jumping spiders in Montana, with no verified records on iNaturalist.
Are bold jumping spiders active year-round in Montana?+
Bold jumping spiders are recorded in 11 of 12 months in Montana, so they can be seen year-round, with a clear peak in May.
More wildlife in Montana