Best Time to See Tarantulas in New Mexico
October, September and July is the best time to see tarantulas in New Mexico. Based on 2,521 verified iNaturalist observations, here is exactly when tarantulas are most active across the year in New Mexico.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 22, 2026.

Desert Tarantula · 115527224325819725585 CC BY

Texas Brown Tarantula · Chris Stahl CC BY

Steindachner's Ebony Tarantula · Millie Basden CC BY
2,521 verified observations of tarantulas in New Mexico, recorded across 12 months of the year on iNaturalist.
When tarantulas are recorded in New Mexico
Peak month
October
599 records (23.8% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 8 | 0.3% |
| February | 5 | 0.2% |
| March | 14 | 0.6% |
| April | 34 | 1.3% |
| May | 73 | 2.9% |
| June | 289 | 11.5% |
| Julypeak | 504 | 20% |
| August | 259 | 10.3% |
| Septemberpeak | 564 | 22.4% |
| Octoberpeak | 599 | 23.8% |
| November | 147 | 5.8% |
| December | 25 | 1% |
Tarantulas you are most likely to see
| Species | Verified observations |
|---|---|
| Texas Brown Tarantula | 998 |
| Chiricahuan Gray Tarantula | 426 |
| Grand Canyon Black Tarantula | 380 |
| Tucson Bronze Tarantula | 112 |
| Peloncillo Tarantula | 32 |
| Desert Blonde Tarantula | 27 |
| Texas Black Spot Tarantula | 9 |
| Aphonopelma parvum | 6 |
Weather to expect, source Open-Meteo
Typical weather in New Mexico
Recent typical conditions by month, so you can plan a trip around both when tarantulas are active and what the weather is doing. The best months to look for tarantulas sit around 44 to 87 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 44°F | 26°F | 0.6" |
| Feb | 47°F | 26°F | 0.8" |
| Mar | 57°F | 34°F | 1" |
| Apr | 68°F | 42°F | 0.4" |
| May | 76°F | 51°F | 0.5" |
| Jun | 84°F | 60°F | 1.1" |
| Julbest time | 87°F | 65°F | 1" |
| Aug | 84°F | 63°F | 1.2" |
| Sepbest time | 79°F | 57°F | 0.9" |
| Octbest time | 67°F | 44°F | 0.9" |
| Nov | 56°F | 35°F | 0.7" |
| Dec | 47°F | 29°F | 0.6" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for New Mexico. Weather varies year to year, so treat these as a guide.
Sightings of tarantulas in New Mexico peak in October, when 599 of the year's 2,521 verified observations are logged — about 23.8% of the annual total. Activity stays high through October, September and July.
The quietest stretch is February, when tarantulas are hardest to find — February sees just 5 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The tarantulas you are most likely to encounter in New Mexico are Texas Brown Tarantula, Chiricahuan Gray Tarantula and Grand Canyon Black Tarantula — 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 tarantulas in New Mexico
- Bandelier National Monument — National Monument
- Capulin Volcano National Monument — National Monument
- Carlsbad Caverns National Park — National Park
- El Malpais National Monument — National Monument
- El Morro National Monument — National Monument
- Gila Cliff Dwellings National Monument — National Monument
Frequently asked questions
What is the best month to see tarantulas in New Mexico?+
October is the single best month, and the broader peak window runs through October, September and July, based on 2,521 verified iNaturalist observations.
When are tarantulas hardest to see in New Mexico?+
February is the quietest month for tarantulas in New Mexico, with only 5 verified records.
Are tarantulas active year-round in New Mexico?+
Tarantulas are recorded in 12 of 12 months in New Mexico, so they can be seen year-round, with a clear peak in October.
More wildlife in New Mexico