Venomous animals in Washington

Venomous species living here
31 venomous snake, 1 venomous spider, 1 scorpion

The ones that need the most respect: western rattlesnake. A bite from any of them is a medical emergency.

Dangerous: 1Medically significant: 1Painful, rarely serious: 1
  • 1 dangerous
  • 1 medically significant
  • 1 painful, rarely serious
Venomous snakes
1
Venomous spiders
1
Scorpions
1
Centipedes
0
Open records
841
Counties with any record
18

Where they turn up in Washington

Adams: Western rattlesnakeKing: Gila monster, Western diamondback rattlesnakeChelan: Western rattlesnakeKittitas: Black widow, Northern scorpion, Western rattlesnakeGrant: Black widow, Northern scorpion, Western rattlesnakeOkanogan: Black widow, Western rattlesnakeFranklin: Black widow, Northern scorpion, Western rattlesnakeKlickitat: Black widow, Northern scorpion, Western rattlesnakeWalla Walla: Black widow, Northern scorpion, Western rattlesnakeLincoln: Western rattlesnakeStevens: Black widowSnohomish: Western rattlesnakeColumbia: Western rattlesnakeYakima: Black widow, Northern scorpion, Western rattlesnakeBenton: Black widow, Northern scorpion, Western rattlesnakeWhitman: Western rattlesnakeSkamania: Western rattlesnakeAsotin: Black widow, Western rattlesnake
Number of venomous species with open GBIF records in each county. Blank counties often mean nobody has posted a record yet, not that nothing lives there.

Venomous snakes in Washington

Venomous snakes in Washington: map, photos and look-alikes

Venomous spiders in Washington

Venomous spiders in Washington: map, photos and look-alikes

Scorpions in Washington

Scorpions in Washington: map, photos and look-alikes

When they are out

JanFeb: 1 records (venomous snake)FebMar: 2 records (venomous snake)Mar: 1 records (spider)MarApr: 65 records (venomous snake)Apr: 3 records (spider)Apr: 5 records (scorpion)AprMay: 210 records (venomous snake)May: 4 records (spider)May: 3 records (scorpion)MayJun: 209 records (venomous snake)Jun: 2 records (spider)Jun: 1 records (scorpion)JunJul: 177 records (venomous snake)Jul: 3 records (spider)JulAug: 215 records (venomous snake)Aug: 1 records (spider)AugSep: 33 records (venomous snake)Sep: 5 records (spider)Sep: 1 records (scorpion)SepOct: 11 records (venomous snake)Oct: 6 records (spider)Oct: 1 records (scorpion)OctNov: 4 records (venomous snake)Nov: 1 records (spider)NovDec
Open records by month; most fall in May to June, August. People record animals when they are outdoors too, so winter looks quieter than it may be.

Recorded, but not living here

A rare record means someone found or reported the animal once or a few times, but there is no known population. Many are strays, pets or hitchhikers in cargo.

Harmless look-alikes in Washington

Quick answers for Washington

Questions

How many venomous snakes live in Washington?

1 species: Western rattlesnake.

Are there brown recluse spiders in Washington?

No. There are no open records of the brown recluse from Washington, and the state is outside its range.

Are there scorpions in Washington?

Yes: Northern scorpion.

When are venomous animals most active in Washington?

Most open records from Washington fall in May to June, August. Records follow when people are outdoors too, so treat this as a guide, not a rule.

What should I do after a bite or sting?

Call 911 for any venomous snakebite or a severe reaction. For spider bites and scorpion stings, call Poison Control at 1-800-222-1222, free and open 24/7.

Neighboring states