Best Time to See Black Widows in Texas
July, June and April is the best time to see black widows in Texas. Based on 9,067 verified iNaturalist observations, here is exactly when black widows are most active across the year in Texas.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 21, 2026.
Northern Black Widow · Joseph McPhail CC BY
Western Black Widow · Rebecca Ray CC BY
Western Black Widow · Michael Eisen CC BY
9,067 verified observations of black widows in Texas, recorded across 12 months of the year on iNaturalist.
When black widows are recorded in Texas
Peak month
July
1,477 records (16.3% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 210 | 2.3% |
| February | 202 | 2.2% |
| March | 554 | 6.1% |
| Aprilpeak | 1,017 | 11.2% |
| May | 833 | 9.2% |
| Junepeak | 1,288 | 14.2% |
| Julypeak | 1,477 | 16.3% |
| August | 896 | 9.9% |
| September | 884 | 9.7% |
| October | 859 | 9.5% |
| November | 557 | 6.1% |
| December | 290 | 3.2% |
Black Widows you are most likely to see
| Species | Verified observations |
|---|---|
| Southern Black Widow | 3,195 |
| Western Black Widow | 2,190 |
| Brown Widow | 1,450 |
| Northern Black Widow | 267 |
| Latrodectus occidentalis | 1 |
Weather to expect, source Open-Meteo
Typical weather in Texas
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 56 to 96 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 60°F | 39°F | 0.9" |
| Feb | 60°F | 38°F | 1" |
| Mar | 71°F | 49°F | 1.7" |
| Aprbest time | 78°F | 56°F | 1.6" |
| May | 85°F | 64°F | 5.1" |
| Junbest time | 93°F | 72°F | 1.7" |
| Julbest time | 96°F | 75°F | 0.9" |
| Aug | 96°F | 75°F | 1.2" |
| Sep | 89°F | 69°F | 1.7" |
| Oct | 80°F | 58°F | 2" |
| Nov | 67°F | 48°F | 1.1" |
| Dec | 64°F | 44°F | 1.2" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Texas. Weather varies year to year, so treat these as a guide.
Sightings of black widows in Texas peak in July, when 1,477 of the year's 9,067 verified observations are logged — about 16.3% of the annual total. Activity stays high through July, June and April.
The quietest stretch is February, January and December, when black widows are hardest to find — February sees just 202 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 Texas are Southern Black Widow, Western Black Widow and Brown 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 Texas
- Amistad National Recreation Area — National Recreation Area
- Big Bend National Park — National Park
- Big Thicket National Preserve — National Preserve
- Chamizal National Memorial — National Memorial
- Fort Davis National Historic Site — National Historic Site
- Guadalupe Mountains National Park — National Park
Frequently asked questions
What is the best month to see black widows in Texas?+
July is the single best month, and the broader peak window runs through July, June and April, based on 9,067 verified iNaturalist observations.
When are black widows hardest to see in Texas?+
February is the quietest month for black widows in Texas, with only 202 verified records.
Are black widows active year-round in Texas?+
Black widows are recorded in 12 of 12 months in Texas, so they can be seen year-round, with a clear peak in July.
More wildlife in Texas