Wailuku Weather in December

December in Wailuku typically sees daytime highs of 27°C (81°F) and nighttime lows of 21°C (70°F). Expect some rainfall during the month.

Rainfall in Wailuku in December

You can typically expect 12 days of rain this month, averaging around 50 mm (2 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Wailuku in December

The temperature in Wailuku in December is perfect. Daytime highs reach 27°C (81°F), with nights dropping to 21°C (70°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 21°C (70°F), evenings stay pleasantly warm.

Sunshine in Wailuku in December

There are approximately 213 hours of sunshine this month, resulting in mostly clear days.

Wind Speed in Wailuku 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

With water at 25°C (77°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.

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

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 the United States of America, check out our Wailuku's climate page.

Wailuku Temperature in December

Min Temperature 21°C (70°F)  

Max Temperature 27°C (81°F)  

Water Temperature 25°C (77°F) *  

Chance of Rain 41%  

Precipitation 50 mm (2 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 (7 KM, 4 Miles).

What to Wear in Wailuku in December

Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket. 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Wailuku in December

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

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

8/10

Outdoor sports

8/10

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 the United States of America, check out our Wailuku's climate page.

More climate data for Wailuku

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Wailuku climate overview or explore weather in the United States of America.