Climate snapshot for alpacas
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: Warm-summer humid continental (Köppen Dfb).
Month-by-month climate
| Month | High | Low | Precip. | Heat-stress index | Notes |
|---|---|---|---|---|---|
| Jan | 38°F | 17°F | 1.4 in | 111 · ok | frost |
| Feb | 42°F | 20°F | 1.4 in | 111 · ok | frost |
| Mar | 51°F | 27°F | 1.5 in | 122 · ok | frost |
| Apr | 58°F | 33°F | 1.6 in | 116 · ok | grass |
| May | 68°F | 42°F | 1.4 in | 121 · ok | grass |
| Jun | 80°F | 51°F | 0.7 in | 124 · caution | — |
| Jul | 86°F | 57°F | 1.3 in | 134 · caution | grass |
| Aug | 83°F | 55°F | 1.4 in | 136 · caution | grass |
| Sep | 74°F | 47°F | 1.7 in | 127 · ok | grass |
| Oct | 61°F | 36°F | 1.7 in | 112 · ok | grass |
| Nov | 48°F | 25°F | 1.3 in | 117 · ok | frost |
| Dec | 37°F | 17°F | 1.4 in | 105 · 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 Mesa County, Colorado
January 38° / 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 42° / 20°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° / 27°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 58° / 33°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.
- Secure winter hay: about 16 small square bales per alpaca per year here — test a sample before buying.
- Toenail check and trim.
June 80° / 51°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).
- Fly season: clean dung piles regularly and use traps around the barn.
July 86° / 57°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).
- Fly season: clean dung piles regularly and use traps around the barn.
- Toenail check and trim.
August 83° / 55°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).
- Fly season: clean dung piles regularly and use traps around the barn.
September 74° / 47°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 61° / 36°F
- Winter prep: install water heaters, repair shelters and windbreaks, stock bedding.
November 48° / 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 37° / 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).
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: 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: Nov–Feb.
- Grazing season: Apr–May, Jul–Oct (about 6 months); feed hay the rest of the year.
- Meningeal worm: Meningeal worm is uncommon this far west but cases occur near the edge of its range.
- 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
Places mapped on OpenStreetMap with “alpaca” in their name, within about 80 km (50 miles). Contact them before visiting — opening times change.
| Name | Type | Distance | Website |
|---|---|---|---|
| Suncrest Orchard Alpacas and Fiber Works | farm | 6 mi | — |
Data © OpenStreetMap contributors. Know a farm that's missing? Add it to OpenStreetMap and it will appear here in the next update.
Frequently asked questions
Can you raise alpacas in Mesa County, Colorado?
When should alpacas be shorn in Mesa County, Colorado?
What is the best time for crias to be born in Mesa County, Colorado?
How much hay does an alpaca need per year in Mesa County, Colorado?
Nearby counties
Coordinates 39.020, -108.461 · land area 3,329 sq mi. Long-term averages, not forecasts. See methodology and data sources. Back to Colorado.