Best Time to See Black Widows in Kansas
September, August and October is the best time to see black widows in Kansas. Based on 456 verified iNaturalist observations, here is exactly when black widows are most active across the year in Kansas.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 22, 2026.
Northern Black Widow · Joseph McPhail CC BY
Western Black Widow · Rebecca Ray CC BY
Western Black Widow · Michael Eisen CC BY
456 verified observations of black widows in Kansas, recorded across 12 months of the year on iNaturalist.
When black widows are recorded in Kansas
Peak month
September
94 records (20.6% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 1 | 0.2% |
| February | 5 | 1.1% |
| March | 7 | 1.5% |
| April | 42 | 9.2% |
| May | 37 | 8.1% |
| June | 34 | 7.5% |
| July | 50 | 11% |
| Augustpeak | 74 | 16.2% |
| Septemberpeak | 94 | 20.6% |
| Octoberpeak | 73 | 16% |
| November | 31 | 6.8% |
| December | 8 | 1.8% |
Black Widows you are most likely to see
| Species | Verified observations |
|---|---|
| Western Black Widow | 167 |
| Southern Black Widow | 104 |
| Northern Black Widow | 75 |
| Brown Widow | 2 |
Weather to expect, source Open-Meteo
Typical weather in Kansas
Recent typical conditions by month, so you can plan a trip around both when black widows are active and what the weather is doing. The best months to look for black widows sit around 48 to 90 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 43°F | 25°F | 1.1" |
| Feb | 43°F | 22°F | 1.1" |
| Mar | 55°F | 35°F | 2.2" |
| Apr | 67°F | 45°F | 1.2" |
| May | 74°F | 55°F | 6.5" |
| Jun | 87°F | 67°F | 3.7" |
| Jul | 91°F | 71°F | 2.3" |
| Augbest time | 90°F | 70°F | 1.8" |
| Sepbest time | 84°F | 64°F | 1.7" |
| Octbest time | 68°F | 48°F | 1.3" |
| Nov | 56°F | 37°F | 1.3" |
| Dec | 47°F | 29°F | 1.1" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Kansas. Weather varies year to year, so treat these as a guide.
Sightings of black widows in Kansas peak in September, when 94 of the year's 456 verified observations are logged — about 20.6% of the annual total. Activity stays high through September, August and October.
The quietest stretch is January, when black widows are hardest to find — January sees just 1 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The black widows you are most likely to encounter in Kansas are Western Black Widow, Southern Black Widow and Northern Black Widow — 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 black widows in Kansas
- Lewis & Clark National Historic Trail — National Historic Trail
- Tallgrass Prairie National Preserve — National Preserve
- Brown v. Board of Education National Historical Park — National Historical Park
- California National Historic Trail — National Historic Trail
- Fort Larned National Historic Site — National Historic Site
- Fort Scott National Historic Site — National Historic Site
Frequently asked questions
What is the best month to see black widows in Kansas?+
September is the single best month, and the broader peak window runs through September, August and October, based on 456 verified iNaturalist observations.
When are black widows hardest to see in Kansas?+
January is the quietest month for black widows in Kansas, with only 1 verified records.
Are black widows active year-round in Kansas?+
Black widows are recorded in 12 of 12 months in Kansas, so they can be seen year-round, with a clear peak in September.
More wildlife in Kansas