Local alpaca guide · Idaho

Raising Alpacas in Elmore County, Idaho

Elmore County, Idaho has a mediterranean-influenced warm-summer continental climate (Köppen Dsb): summer highs average 87°F in July and winter lows average 20°F in December, with about 19 inches of precipitation a year. The main challenges for alpaca keepers here are low selenium.

Climate snapshot for alpacas

100/100Alpaca climate comfort score
87°FAverage high, Jul
20°FAverage low, Dec
~16Days above 90°F (32°C) per year
~161Frost nights per year
19 inAnnual precipitation
0Barber pole worm months
20Hay bales / alpaca / year

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: 100/100 — Excellent on our alpaca climate comfort score. Climate type: Mediterranean-influenced warm-summer continental (Köppen Dsb).

Month-by-month climate

Average highAverage lowPrecipitation
10°0.030°1.050°2.070°3.090°4.0Jan: 2.9 inJanFeb: 2.0 inFebMar: 2.2 inMarApr: 1.7 inAprMay: 1.6 inMayJun: 1.0 inJunJul: 0.3 inJulAug: 0.3 inAugSep: 0.6 inSepOct: 1.4 inOctNov: 2.1 inNovDec: 3.2 inDecJan high: 36°FFeb high: 41°FMar high: 49°FApr high: 57°FMay high: 67°FJun high: 75°FJul high: 87°FAug high: 85°FSep high: 75°FOct high: 60°FNov high: 45°FDec high: 36°FJan low: 20°FFeb low: 22°FMar low: 28°FApr low: 33°FMay low: 40°FJun low: 47°FJul low: 54°FAug low: 53°FSep low: 45°FOct low: 35°FNov low: 26°FDec low: 20°F°Fin
MonthHighLowPrecip.Heat-stress indexNotes
Jan36°F20°F2.9 in121 · okfrost
Feb41°F22°F2.0 in124 · okfrost
Mar49°F28°F2.2 in124 · okfrost
Apr57°F33°F1.7 in128 · ok—
May67°F40°F1.6 in136 · okgrass
Jun75°F47°F1.0 in127 · cautiongrass
Jul87°F54°F0.3 in129 · caution—
Aug85°F53°F0.3 in129 · caution—
Sep75°F45°F0.6 in128 · caution—
Oct60°F35°F1.4 in112 · okgrass
Nov45°F26°F2.1 in123 · okfrost
Dec36°F20°F3.2 in115 · okfrost

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 Elmore County, Idaho

January 36° / 20°F

FrostVitamin D
  • 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 41° / 22°F

FrostVitamin D
  • 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 49° / 28°F

FrostVitamin D
  • 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° / 33°F

  • CDT boosters for females due next month; prepare a clean birthing paddock and birthing kit.

May 67° / 40°F

ShearingCria season
  • 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.
  • Spring grass: switch from hay to pasture gradually over 1–2 weeks and monitor body condition.
  • Toenail check and trim.

June 75° / 47°F

Cria seasonBreeding
  • 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).
  • Secure winter hay: about 20 small square bales per alpaca per year here — test a sample before buying.

July 87° / 54°F

Breeding
  • Warm spells possible — watch for open-mouth breathing in heavy-fleeced or dark animals.
  • 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.
  • Fly season: clean dung piles regularly and use traps around the barn.
  • Toenail check and trim.

August 85° / 53°F

  • Warm spells possible — watch for open-mouth breathing in heavy-fleeced or dark animals.
  • Dry pasture: supplement with hay as grass goes dormant; keep water troughs clean and full.
  • Fly season: clean dung piles regularly and use traps around the barn.

September 75° / 45°F

  • Warm spells possible — watch for open-mouth breathing in heavy-fleeced or dark animals.
  • Fly season: clean dung piles regularly and use traps around the barn.
  • Toenail check and trim.

October 60° / 35°F

Vitamin D
  • 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° / 26°F

FrostVitamin D
  • 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 36° / 20°F

FrostVitamin D
  • 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–Jun (breed in Jun–Jul).
  • Heat precautions: rarely needed — still provide shade and water.
  • Barber pole worm: low transmission risk on average — still run fecal egg counts in spring and autumn.
  • Freezing nights: Nov–Mar — keep water from freezing.
  • Vitamin D for crias: Oct–Mar.
  • Grazing season: May–Jun, Oct (about 3 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 Elmore County, Idaho 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 Elmore County, Idaho?
Yes. Alpacas are kept successfully in most climates with good management. Elmore County, Idaho scores 100/100 (excellent) on our alpaca climate comfort scale; the key issues are low selenium.
When should alpacas be shorn in Elmore County, Idaho?
Plan shearing for May, once nights stay above about 38°F (3°C) but before summer heat builds.
What is the best time for crias to be born in Elmore County, Idaho?
Mild months suit newborn crias best — here that is May–Jun. For births then, breed females in Jun–Jul (gestation is about 335 days).
How much hay does an alpaca need per year in Elmore County, Idaho?
With roughly 9 months of little or no grazing, plan on about 967 lb (439 kg) — around 20 small square bales — per adult alpaca per year, plus waste.

Nearby counties

Coordinates 43.395, -115.471 · land area 3,075 sq mi. Long-term averages, not forecasts. See methodology and data sources. Back to Idaho.