Haiku Weather in December

December in Haiku brings high temperatures, with daytime highs of 26°C (79°F) and nights around 21°C (70°F). Quite a bit of rainfall is expected, around 96 mm (3.8 in), so pack an umbrella.

Rainfall in Haiku in December

Climate statistics over the past 30 years suggest around 12 days of rain, with 96 mm (3.8 in) average for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Haiku in December

Haiku has perfect weather in December, with days reaching 26°C (79°F) and nights cooling to 21°C (70°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 21°C (70°F) overnight, nights are warm enough to sit outside comfortably in light clothing.

Sunshine in Haiku in December

Enjoy a sunny month with about 213 hours of sunshine, the clear skies make Haiku even more beautiful.

Wind Speed in Haiku in December

December sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.

Average water temperature in December

The water temperature is 25°C (77°F), which most people find very comfortable. A good month for swimming and water sports.

If you're inclined towards comfortable temperatures and drier conditions, December is a good time to visit Haiku.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Hawaii, check out our Haiku's climate page.

Haiku Temperature in December

Min Temperature 21°C (70°F)  

Max Temperature 26°C (79°F)  

Water Temperature 25°C (77°F) *  

Chance of Rain 41%  

Precipitation 96 mm (3.8 in)  

Rainy days 12 days  

Humidity 77% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 213 hours *  

Percentage Sunshine 63% *  

* Data from: Kahului, the United States of America (11 KM, 7 Miles).

What to Wear in Haiku in December

Warm but pleasant conditions in Haiku in December. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. The water temperature sits at about 25°C (77°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Haiku in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Hawaii, check out our Haiku's climate page.

More climate data for Haiku

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Haiku climate overview or explore weather in Hawaii.