Climate snapshot for alpacas
Main challenges
- Summer heat — heat-stress precautions needed in Jul
- Dry climate — only 12 in of rain — irrigated pasture or year-round hay
Advantages
- Winters are cold but rarely severe
- Short or no barber pole worm transmission season
- Low meningeal worm risk
Overall rating: 96/100 — Excellent on our alpaca climate comfort score. Climate type: Cold semi-arid (Köppen BSk).
Month-by-month climate
| Month | High | Low | Precip. | Heat-stress index | Notes |
|---|---|---|---|---|---|
| Jan | 35°F | 17°F | 1.3 in | 106 · ok | frost |
| Feb | 40°F | 21°F | 1.0 in | 108 · ok | frost |
| Mar | 51°F | 29°F | 1.1 in | 119 · ok | frost |
| Apr | 58°F | 34°F | 1.3 in | 115 · ok | grass |
| May | 68°F | 42°F | 1.8 in | 113 · ok | grass |
| Jun | 79°F | 50°F | 0.9 in | 107 · ok | grass |
| Jul | 89°F | 58°F | 0.5 in | 112 · ok | — |
| Aug | 88°F | 56°F | 0.6 in | 122 · caution | — |
| Sep | 77°F | 47°F | 0.9 in | 109 · ok | grass |
| Oct | 62°F | 35°F | 1.0 in | 108 · ok | grass |
| Nov | 47°F | 25°F | 0.9 in | 110 · ok | frost |
| Dec | 36°F | 18°F | 1.2 in | 95 · 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 Box Elder County, Utah
January 35° / 17°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 40° / 21°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 51° / 29°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 58° / 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.
May 68° / 42°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.
- Fly season: clean dung piles regularly and use traps around the barn.
- Toenail check and trim.
June 79° / 50°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 17 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 89° / 58°F
- Heat precautions: shade, airflow, cool fresh water and no handling in the heat of the day.
- 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 88° / 56°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 77° / 47°F
- Fly season: clean dung piles regularly and use traps around the barn.
- Toenail check and trim.
October 62° / 35°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 47° / 25°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 36° / 18°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–Jun (breed in Jun–Jul).
- Heat precautions: Jul.
- 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: Apr–Jun, Sep–Oct (about 5 months); feed hay the rest of the year.
- Meningeal worm: Meningeal worm is not established in this region.
- Selenium: Most forage here supplies adequate selenium, and some western areas have high-selenium plants — avoid stacking selenium supplements.
Tools: heat-stress calculator · winter hay calculator · due-date calculator · parasite control guide.
Alpaca farms & shops nearby
No alpaca farms near Box Elder County, Utah 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 Box Elder County, Utah?
When should alpacas be shorn in Box Elder County, Utah?
What is the best time for crias to be born in Box Elder County, Utah?
How much hay does an alpaca need per year in Box Elder County, Utah?
How hot does it get for alpacas in Box Elder County, Utah?
Nearby counties
Coordinates 41.623, -113.060 · land area 5,746 sq mi. Long-term averages, not forecasts. See methodology and data sources. Back to Utah.