Climate snapshot for alpacas
Main challenges
- Summer heat — heat-stress precautions needed in Jul–Aug
Advantages
- Practically frost-free winters
- Short or no barber pole worm transmission season
- Low meningeal worm risk
Overall rating: 90/100 — 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 | 61°F | 41°F | 3.4 in | 142 · ok | grass |
| Feb | 62°F | 41°F | 3.9 in | 143 · ok | grass |
| Mar | 66°F | 44°F | 2.4 in | 142 · ok | worms, grass |
| Apr | 70°F | 46°F | 0.9 in | 142 · ok | grass |
| May | 76°F | 52°F | 0.3 in | 129 · caution | — |
| Jun | 83°F | 58°F | 0.1 in | 119 · ok | — |
| Jul | 89°F | 63°F | 0.1 in | 117 · ok | — |
| Aug | 90°F | 63°F | 0.0 in | 122 · caution | — |
| Sep | 86°F | 60°F | 0.1 in | 124 · caution | — |
| Oct | 77°F | 52°F | 0.6 in | 119 · ok | — |
| Nov | 68°F | 45°F | 0.9 in | 131 · ok | grass |
| Dec | 60°F | 40°F | 2.5 in | 140 · ok | grass |
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 Los Angeles County, California
January 61° / 41°F
- Book your shearer now — spring calendars fill up fast.
- Breeding window for next year's crias (rebreed females 2–4 weeks after birthing).
- Toenail check and trim.
February 62° / 41°F
- Run pre-season fecal egg counts so you know each animal's baseline.
March 66° / 44°F
- Shearing month: shear the whole herd, and trim toenails, check teeth and body condition while animals are restrained.
- 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.
April 70° / 46°F
- Secure winter hay: about 16 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.
May 76° / 52°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.
June 83° / 58°F
- 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.
July 89° / 63°F
- Heat precautions: shade, airflow, cool fresh water and no handling in the heat of the day.
- 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 90° / 63°F
- Heat precautions: shade, airflow, cool fresh water and no handling in the heat of the day.
- CDT boosters for females due next month; prepare a clean birthing paddock and birthing kit.
- 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 86° / 60°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.
- 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.
October 77° / 52°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.
November 68° / 45°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).
- Spring grass: switch from hay to pasture gradually over 1–2 weeks and monitor body condition.
- Fly season: clean dung piles regularly and use traps around the barn.
- Toenail check and trim.
December 60° / 40°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).
Key recommendations
- Shearing: March.
- Best months for crias to be born: Sep–Dec (breed in Oct–Jan).
- Heat precautions: Jul–Aug.
- Barber pole worm season: Mar — run fecal egg counts every 4–6 weeks in these months.
- Winter: frost is rare.
- Vitamin D: winter sunlight is usually adequate at this latitude; ask your vet about dark-fleeced crias.
- Grazing season: Nov–Apr (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 Los Angeles County, California 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 Los Angeles County, California?
When should alpacas be shorn in Los Angeles County, California?
What is the best time for crias to be born in Los Angeles County, California?
How much hay does an alpaca need per year in Los Angeles County, California?
How hot does it get for alpacas in Los Angeles County, California?
Nearby counties
Coordinates 34.196, -118.262 · land area 4,059 sq mi. Long-term averages, not forecasts. See methodology and data sources. Back to California.