Climate snapshot for alpacas
43/100Alpaca climate comfort score
84°FAverage high, Sep
64°FAverage low, Jan
~24Days above 90°F (32°C) per year
~0Frost nights per year
26 inAnnual precipitation
5Barber pole worm months
8Hay bales / alpaca / year
Main challenges
- Summer heat — heat-stress precautions needed in year-round
- Barber pole worm — long warm-wet parasite season (Jan–May)
Advantages
- Practically frost-free winters
- A long grazing season (12 months of grass growth)
- Low meningeal worm risk
Overall rating: 43/100 — Challenging on our alpaca climate comfort score. Climate type: Tropical savanna (Köppen Aw).
Month-by-month climate
Average highAverage lowPrecipitation
| Month | High | Low | Precip. | Heat-stress index | Notes |
|---|---|---|---|---|---|
| Jan | 78°F | 64°F | 3.3 in | 161 · high | worms, grass |
| Feb | 76°F | 65°F | 2.5 in | 161 · high | worms, grass |
| Mar | 77°F | 65°F | 2.5 in | 162 · high | worms, grass |
| Apr | 78°F | 66°F | 4.2 in | 163 · high | worms, grass |
| May | 79°F | 68°F | 4.8 in | 165 · high | worms, grass |
| Jun | 81°F | 69°F | 1.1 in | 166 · high | grass |
| Jul | 82°F | 70°F | 1.1 in | 165 · high | grass |
| Aug | 84°F | 71°F | 1.3 in | 170 · high | grass |
| Sep | 84°F | 70°F | 1.0 in | 174 · high | grass |
| Oct | 84°F | 69°F | 1.1 in | 171 · high | grass |
| Nov | 80°F | 68°F | 1.7 in | 165 · high | grass |
| Dec | 78°F | 65°F | 1.4 in | 163 · high | 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: Open-Meteo ERA5 reanalysis (2023-2024).
Alpaca care calendar for Honolulu County, Hawaii
January 78° / 64°F
- Book your shearer now — spring calendars fill up fast.
- Heat precautions: shade, airflow, cool fresh water and no handling in the heat of the day.
- Barber pole worm season: fecal egg counts every 4–6 weeks, check eyelid color, pick up dung piles twice a week.
- Cria season: check due dates daily, ensure crias nurse within 4 hours, dip navels and weigh crias daily for two weeks.
- Toenail check and trim.
February 76° / 65°F
- Heat precautions: shade, airflow, cool fresh water and no handling in the heat of the day.
- Barber pole worm season: fecal egg counts every 4–6 weeks, check eyelid color, pick up dung piles twice a week.
- 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).
March 77° / 65°F
- Shearing month: shear the whole herd, and trim toenails, check teeth and body condition while animals are restrained.
- Heat precautions: shade, airflow, cool fresh water and no handling in the heat of the day.
- Barber pole worm season: fecal egg counts every 4–6 weeks, check eyelid color, pick up dung piles twice a week.
- 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).
- Toenail check and trim.
April 78° / 66°F
- Heat precautions: shade, airflow, cool fresh water and no handling in the heat of the day.
- 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).
May 79° / 68°F
- Heat precautions: shade, airflow, cool fresh water and no handling in the heat of the day.
- 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.
June 81° / 69°F
- Heat precautions: shade, airflow, cool fresh water and no handling in the heat of the day.
- Fly season: clean dung piles regularly and use traps around the barn.
July 82° / 70°F
- Heat precautions: shade, airflow, cool fresh water and no handling in the heat of the day.
- Fly season: clean dung piles regularly and use traps around the barn.
- Toenail check and trim.
August 84° / 71°F
- Heat precautions: shade, airflow, cool fresh water and no handling in the heat of the day.
- Fly season: clean dung piles regularly and use traps around the barn.
September 84° / 70°F
- Heat precautions: shade, airflow, cool fresh water and no handling in the heat of the day.
- Fly season: clean dung piles regularly and use traps around the barn.
- Toenail check and trim.
October 84° / 69°F
- Heat precautions: shade, airflow, cool fresh water and no handling in the heat of the day.
- Fly season: clean dung piles regularly and use traps around the barn.
November 80° / 68°F
- Heat precautions: shade, airflow, cool fresh water and no handling in the heat of the day.
- Fly season: clean dung piles regularly and use traps around the barn.
- Toenail check and trim.
December 78° / 65°F
- Heat precautions: shade, airflow, cool fresh water and no handling in the heat of the day.
- Run pre-season fecal egg counts so you know each animal's baseline.
- CDT boosters for females due next month; prepare a clean birthing paddock and birthing kit.
- Fly season: clean dung piles regularly and use traps around the barn.
Key recommendations
- Shearing: March.
- Best months for crias to be born: Jan–Mar (breed in Feb–Apr).
- Heat precautions: year-round.
- Barber pole worm season: Jan–May — 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: year-round (about 12 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 Honolulu County, Hawaii 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 Honolulu County, Hawaii?
Yes. Alpacas are kept successfully in most climates with good management. Honolulu County, Hawaii scores 43/100 (challenging) on our alpaca climate comfort scale; the key issues are summer heat and barber pole worm.
When should alpacas be shorn in Honolulu County, Hawaii?
Plan shearing for March, 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 Honolulu County, Hawaii?
Mild months suit newborn crias best — here that is Jan–Mar. For births then, breed females in Feb–Apr (gestation is about 335 days).
How much hay does an alpaca need per year in Honolulu County, Hawaii?
With roughly 0 months of little or no grazing, plan on about 365 lb (166 kg) — around 8 small square bales — per adult alpaca per year, plus waste.
How hot does it get for alpacas in Honolulu County, Hawaii?
Heat-stress precautions are needed in year-round. We estimate about 24 days a year above 90°F (32°C).
Coordinates 21.461, -158.202 · land area 601 sq mi. Long-term averages, not forecasts. See methodology and data sources. Back to Hawaii.