Climate snapshot for alpacas
Main challenges
- Summer heat — heat-stress precautions needed in Jun–Jul
Advantages
- Winters are cold but rarely severe
- Short or no barber pole worm transmission season
- Low meningeal worm risk
Overall rating: 88/100 — Excellent on our alpaca climate comfort score. Climate type: Hot-summer Mediterranean (Köppen Csa).
Month-by-month climate
| Month | High | Low | Precip. | Heat-stress index | Notes |
|---|---|---|---|---|---|
| Jan | 53°F | 28°F | 1.5 in | 114 · ok | frost |
| Feb | 56°F | 31°F | 1.3 in | 120 · ok | frost |
| Mar | 63°F | 34°F | 1.0 in | 123 · ok | grass |
| Apr | 70°F | 40°F | 0.5 in | 107 · ok | — |
| May | 78°F | 47°F | 0.4 in | 98 · ok | — |
| Jun | 88°F | 56°F | 0.5 in | 114 · ok | — |
| Jul | 88°F | 62°F | 2.9 in | 119 · ok | worms, grass |
| Aug | 86°F | 61°F | 3.2 in | 129 · caution | worms, grass |
| Sep | 82°F | 55°F | 1.9 in | 110 · ok | grass |
| Oct | 72°F | 44°F | 1.2 in | 105 · ok | grass |
| Nov | 61°F | 34°F | 1.1 in | 101 · ok | grass |
| Dec | 52°F | 28°F | 1.5 in | 84 · 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 Greenlee County, Arizona
January 53° / 28°F
- Freezing nights: keep water open and feed extra hay during cold snaps.
- Toenail check and trim.
February 56° / 31°F
- Book your shearer now — spring calendars fill up fast.
- Freezing nights: keep water open and feed extra hay during cold snaps.
March 63° / 34°F
- 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.
- Secure winter hay: about 16 small square bales per alpaca per year here — test a sample before buying.
- Toenail check and trim.
April 70° / 40°F
- Shearing month: shear the whole herd, and trim toenails, check teeth and body condition while animals are restrained.
- Cria season: check due dates daily, ensure crias nurse within 4 hours, dip navels and weigh crias daily for two weeks.
May 78° / 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).
- Fly season: clean dung piles regularly and use traps around the barn.
- Toenail check and trim.
June 88° / 56°F
- Heat precautions: shade, airflow, cool fresh water and no handling in the heat of the day.
- Run pre-season fecal egg counts so you know each animal's baseline.
- 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.
July 88° / 62°F
- Heat precautions: shade, airflow, cool fresh water and no handling in the heat of the day.
- Barber pole worm season: fecal egg counts every 4–6 weeks, check eyelid color, pick up dung piles twice a week.
- Toenail check and trim.
August 86° / 61°F
- Warm spells possible — watch for open-mouth breathing in heavy-fleeced or dark animals.
- Barber pole worm season: fecal egg counts every 4–6 weeks, check eyelid color, pick up dung piles twice a week.
September 82° / 55°F
- Fly season: clean dung piles regularly and use traps around the barn.
- Toenail check and trim.
October 72° / 44°F
- Fly season: clean dung piles regularly and use traps around the barn.
November 61° / 34°F
- Winter prep: install water heaters, repair shelters and windbreaks, stock bedding.
- Toenail check and trim.
December 52° / 28°F
- Freezing nights: keep water open and feed extra hay during cold snaps.
Key recommendations
- Shearing: April.
- Best months for crias to be born: Apr–May (breed in May–Jun).
- Heat precautions: Jun–Jul.
- Barber pole worm season: Jul–Aug — run fecal egg counts every 4–6 weeks in these months.
- Freezing nights: Dec–Feb — keep water from freezing.
- Vitamin D: winter sunlight is usually adequate at this latitude; ask your vet about dark-fleeced crias.
- Grazing season: Mar, Jul–Nov (about 6 months); feed hay the rest of the year.
- Meningeal worm: Meningeal worm is not established in this region.
- Selenium: Selenium levels vary across the state. Test hay or blood before changing supplements.
Tools: heat-stress calculator · winter hay calculator · due-date calculator · parasite control guide.
Alpaca farms & shops nearby
No alpaca farms near Greenlee County, Arizona 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 Greenlee County, Arizona?
When should alpacas be shorn in Greenlee County, Arizona?
What is the best time for crias to be born in Greenlee County, Arizona?
How much hay does an alpaca need per year in Greenlee County, Arizona?
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Nearby counties
Coordinates 33.239, -109.242 · land area 1,842 sq mi. Long-term averages, not forecasts. See methodology and data sources. Back to Arizona.