Climate snapshot for alpacas
Main challenges
- Low selenium — regional soils and hay tend to be selenium-deficient
Advantages
- Summers rarely reach heat-stress levels for alpacas
- Winters are cold but rarely severe
- Short or no barber pole worm transmission season
- Low meningeal worm risk
Overall rating: 98/100 — Excellent on our alpaca climate comfort score. Climate type: Mediterranean-influenced warm-summer continental (Köppen Dsb).
Month-by-month climate
| Month | High | Low | Precip. | Heat-stress index | Notes |
|---|---|---|---|---|---|
| Jan | 39°F | 26°F | 2.2 in | 124 · ok | frost |
| Feb | 43°F | 28°F | 1.8 in | 121 · ok | frost |
| Mar | 50°F | 32°F | 2.1 in | 118 · ok | frost |
| Apr | 57°F | 36°F | 1.9 in | 116 · ok | grass |
| May | 66°F | 42°F | 2.0 in | 119 · ok | worms, grass |
| Jun | 72°F | 47°F | 1.5 in | 122 · ok | grass |
| Jul | 84°F | 54°F | 0.6 in | 121 · caution | — |
| Aug | 84°F | 53°F | 0.5 in | 131 · caution | — |
| Sep | 74°F | 46°F | 0.7 in | 124 · ok | — |
| Oct | 59°F | 37°F | 1.6 in | 121 · ok | grass |
| Nov | 45°F | 31°F | 2.3 in | 127 · ok | frost |
| Dec | 38°F | 26°F | 2.5 in | 125 · ok | frost |
Heat-stress index = average high (°F) + mean humidity (%). “Worms” marks months that suit barber pole worm transmission; “grass” marks the grazing season; “frost” marks months with average lows below freezing. Source: NOAA nClimDiv 1991–2020 county normals.
Alpaca care calendar for Garfield County, Washington
January 39° / 26°F
- Freezing nights: keep water open and feed extra hay during cold snaps.
- Vitamin D for crias and juveniles (ask your vet about product and dose).
- Toenail check and trim.
February 43° / 28°F
- Freezing nights: keep water open and feed extra hay during cold snaps.
- Vitamin D for crias and juveniles (ask your vet about product and dose).
March 50° / 32°F
- Book your shearer now — spring calendars fill up fast.
- Freezing nights: keep water open and feed extra hay during cold snaps.
- Vitamin D for crias and juveniles (ask your vet about product and dose).
- Toenail check and trim.
April 57° / 36°F
- Run pre-season fecal egg counts so you know each animal's baseline.
- CDT boosters for females due next month; prepare a clean birthing paddock and birthing kit.
- Spring grass: switch from hay to pasture gradually over 1–2 weeks and monitor body condition.
May 66° / 42°F
- Shearing month: shear the whole herd, and trim toenails, check teeth and body condition while animals are restrained.
- Barber pole worm season: fecal egg counts every 4–6 weeks, check eyelid color, pick up dung piles twice a week.
- Cria season: check due dates daily, ensure crias nurse within 4 hours, dip navels and weigh crias daily for two weeks.
- Toenail check and trim.
June 72° / 47°F
- Cria season: check due dates daily, ensure crias nurse within 4 hours, dip navels and weigh crias daily for two weeks.
- Breeding window for next year's crias (rebreed females 2–4 weeks after birthing).
- Secure winter hay: about 18 small square bales per alpaca per year here — test a sample before buying.
- Fly season: clean dung piles regularly and use traps around the barn.
July 84° / 54°F
- Warm spells possible — watch for open-mouth breathing in heavy-fleeced or dark animals.
- Cria season: check due dates daily, ensure crias nurse within 4 hours, dip navels and weigh crias daily for two weeks.
- Breeding window for next year's crias (rebreed females 2–4 weeks after birthing).
- Dry pasture: supplement with hay as grass goes dormant; keep water troughs clean and full.
- Toenail check and trim.
August 84° / 53°F
- Warm spells possible — watch for open-mouth breathing in heavy-fleeced or dark animals.
- Cria season: check due dates daily, ensure crias nurse within 4 hours, dip navels and weigh crias daily for two weeks.
- Breeding window for next year's crias (rebreed females 2–4 weeks after birthing).
- Dry pasture: supplement with hay as grass goes dormant; keep water troughs clean and full.
September 74° / 46°F
- Breeding window for next year's crias (rebreed females 2–4 weeks after birthing).
- Fly season: clean dung piles regularly and use traps around the barn.
- Toenail check and trim.
October 59° / 37°F
- Winter prep: install water heaters, repair shelters and windbreaks, stock bedding.
- Vitamin D for crias and juveniles (ask your vet about product and dose).
November 45° / 31°F
- Freezing nights: keep water open and feed extra hay during cold snaps.
- Vitamin D for crias and juveniles (ask your vet about product and dose).
- Toenail check and trim.
December 38° / 26°F
- Freezing nights: keep water open and feed extra hay during cold snaps.
- Vitamin D for crias and juveniles (ask your vet about product and dose).
Key recommendations
- Shearing: May.
- Best months for crias to be born: May–Aug (breed in Jun–Sep).
- Heat precautions: rarely needed — still provide shade and water.
- Barber pole worm season: May — run fecal egg counts every 4–6 weeks in these months.
- Freezing nights: Nov–Mar — keep water from freezing.
- Vitamin D for crias: Oct–Mar.
- Grazing season: Apr–Jun, Oct (about 4 months); feed hay the rest of the year.
- Meningeal worm: Meningeal worm is not established in this region.
- Selenium: Soils and hay in this state are often selenium-deficient. Use a camelid mineral formulated for low-selenium areas and blood-test a few animals each year.
Tools: heat-stress calculator · winter hay calculator · due-date calculator · parasite control guide.
Alpaca farms & shops nearby
No alpaca farms near Garfield County, Washington are mapped on OpenStreetMap yet. If you keep alpacas here, consider adding your farm to OpenStreetMap — it will appear on this page after the next update.
Frequently asked questions
Can you raise alpacas in Garfield County, Washington?
When should alpacas be shorn in Garfield County, Washington?
What is the best time for crias to be born in Garfield County, Washington?
How much hay does an alpaca need per year in Garfield County, Washington?
Nearby counties
Coordinates 46.429, -117.537 · land area 711 sq mi. Long-term averages, not forecasts. See methodology and data sources. Back to Washington.