Climate snapshot for alpacas
95/100Alpaca climate comfort score
88°FAverage high, Jul
21°FAverage low, Jan
~27Days above 90°F (32°C) per year
~140Frost nights per year
17 inAnnual precipitation
3Barber pole worm months
14Hay bales / alpaca / year
Advantages
- Summers rarely reach heat-stress levels for alpacas
- Winters are cold but rarely severe
- Low meningeal worm risk
Overall rating: 95/100 — Excellent on our alpaca climate comfort score. Climate type: Cold semi-arid (Köppen BSk).
Month-by-month climate
Average highAverage lowPrecipitation
| Month | High | Low | Precip. | Heat-stress index | Notes |
|---|---|---|---|---|---|
| Jan | 49°F | 21°F | 0.6 in | 114 · ok | frost |
| Feb | 53°F | 24°F | 0.5 in | 108 · ok | frost |
| Mar | 60°F | 29°F | 0.8 in | 108 · ok | frost |
| Apr | 67°F | 36°F | 0.9 in | 100 · ok | grass |
| May | 76°F | 45°F | 1.4 in | 102 · ok | grass |
| Jun | 86°F | 54°F | 1.6 in | 122 · caution | grass |
| Jul | 88°F | 59°F | 3.0 in | 132 · caution | worms, grass |
| Aug | 86°F | 57°F | 2.8 in | 127 · caution | worms, grass |
| Sep | 80°F | 50°F | 2.2 in | 121 · caution | worms, grass |
| Oct | 69°F | 39°F | 1.4 in | 103 · ok | grass |
| Nov | 58°F | 28°F | 0.7 in | 110 · ok | frost |
| Dec | 48°F | 22°F | 0.7 in | 88 · 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 San Miguel County, New Mexico
January 49° / 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).
- Toenail check and trim.
February 53° / 24°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 60° / 29°F
- Book your shearer now — spring calendars fill up fast.
- Freezing nights: keep water open and feed extra hay during cold snaps.
- Toenail check and trim.
April 67° / 36°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 76° / 45°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 86° / 54°F
- Warm spells possible — watch for open-mouth breathing in heavy-fleeced or dark animals.
- Run pre-season fecal egg counts so you know each animal's baseline.
- 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).
July 88° / 59°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.
- Breeding window for next year's crias (rebreed females 2–4 weeks after birthing).
- Toenail check and trim.
August 86° / 57°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 80° / 50°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.
- Toenail check and trim.
October 69° / 39°F
- Secure winter hay: about 14 small square bales per alpaca per year here — test a sample before buying.
- Winter prep: install water heaters, repair shelters and windbreaks, stock bedding.
November 58° / 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).
- Toenail check and trim.
December 48° / 22°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: rarely needed — still provide shade and water.
- Barber pole worm season: Jul–Sep — run fecal egg counts every 4–6 weeks in these months.
- Freezing nights: Nov–Mar — keep water from freezing.
- Vitamin D for crias: Nov–Feb.
- Grazing season: Apr–Oct (about 7 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 San Miguel County, New Mexico 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 San Miguel County, New Mexico?
Yes. Alpacas are kept successfully in most climates with good management. San Miguel County, New Mexico scores 95/100 (excellent) on our alpaca climate comfort scale.
When should alpacas be shorn in San Miguel County, New Mexico?
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 San Miguel County, New Mexico?
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 San Miguel County, New Mexico?
With roughly 5 months of little or no grazing, plan on about 699 lb (317 kg) — around 14 small square bales — per adult alpaca per year, plus waste.
Nearby counties
Coordinates 35.477, -104.804 · land area 4,722 sq mi. Long-term averages, not forecasts. See methodology and data sources. Back to New Mexico.