Weather for Kahului in December is typically good with an average maximum temperature of +26°C during the day, and approximately 9 sunny days monthly. Typically, there are about 17 rainy days with the total average precipitation that falls in December around 82 mm. Expect good weather and pack accordingly to enjoy the outdoors. Search flightsin one click on Avionero.
Good to know:
December is usually the wettest month of the year in Kahului;
Average weather
☀️
+26°C
Avg. max. temperature
+14°C
Min.
+31°C
Max.
82 mm
Total precipitation
73%
Avg. humidity
4 m/s
Avg. wind
9 ☀️
Sunny Days
5 ⛅️
Cloudy
17 🌦
Rainy
Our opinion: Kahului has good weather in December.
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Average temperature in Kahului in December
Here are the expected maximum, average and minimum temperatures in Kahului for December based on the historical data.
Last Year
Historical Data
The expected average maximum temperature in December is +27°C with a maximum of +31°C and a minimum of +17°C.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +27°C to +27°C.
Is Kahului warm or cold in December?
Kahului is typically warm in December.
Maximum temperatures go down compared to the previous month from +27°C to +26°C. The minimum temperature also goes down from +22°C to +21°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how December is compared to other months in Kahului:
Climate in Kahului in December
Kahului weather looks like this, on average, in December and the surrounding months.
November
December
January
Avg. temperature
+27°C
+26°C
+25°C
Min. temperature
+15°C
+14°C
+13°C
Max. temperature
+33°C
+31°C
+31°C
Rainfall
53 mm
82 mm
89 mm
Wind
4 m/s
4 m/s
4 m/s
Humidity
72%
73%
73%
Air pressure
1015 HPa
1015 HPa
1015 HPa
Sunny days
8
9
10
Cloudy days
6
5
6
Rainy days
16
17
15
Snowy days
0
0
0
December weather is still as good as in November.It’s getting colder in December. From +27°C in the day, the average maximum temperature lowers to +26°C.Prepare for more rain. Average rainfall goes from 53 mm to 82 mm.Humidity rises from 72% to 73%.The average wind speed doesn’t change much during December, staying around 4 m/s.The good news is there are likely to be more sunny days in December, from 8 to 9.
January brings much the same weather, it remains good.
Wind speed in Kahului in December based on historical data.
Last Year
Historical Data
The average wind speed is 5 m/s getting up to 9 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Kahului is gradually decreasing during December, going from 3 m/s to 2 m/s over the course of the month.
Rain
Amount of rainfall in mm during December in Kahului based on historical data.
Last Year
Historical Data
Total precipitation in December is about 64 mm, with a 48% chance of rain on a typical day. The maximum amount of rainfall per day is around 12 mm, which is considered light rain.December is a pretty wet month with over 15 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
December is one of the rainiest months in Kahului, here is a comparison with other months, total mm:
Kahului wettest month is January, where a typical day has a 48% chance of precipitation and 89 mm of rainfall per day. June, on the other hand, is the driest month with a mere 43% chance of precipitation and 11 mm of rainfall per day.
How was the weather last December in Kahului?
This is the weather in Kahului in December 2024:
1 December
☀️
+27°C
2 December
☀️
+30°C
3 December
☀️
+29°C
4 December
☀️
+28°C
5 December
☀️
+29°C
6 December
☀️
+29°C
7 December
☀️
+29°C
8 December
☀️
+28°C
9 December
☀️
+27°C
10 December
☁️
+29°C
11 December
☀️
+31°C
12 December
☀️
+30°C
13 December
☁️
+27°C
14 December
🌧️
+27°C
15 December
☁️
+25°C
16 December
☁️
+26°C
17 December
☁️
+25°C
18 December
☁️
+26°C
19 December
☀️
+26°C
20 December
🌧️
+26°C
21 December
☁️
+25°C
22 December
☁️
+26°C
23 December
☀️
+27°C
24 December
☁️
+27°C
25 December
☀️
+27°C
26 December
🌧️
+25°C
27 December
☁️
+27°C
28 December
☁️
+27°C
29 December
🌧️
+24°C
30 December
☁️
+27°C
31 December
☀️
+27°C
In December 2024 Kahului had 15 sunny days, 12 cloudy days, and 4 rainy days. The average maximum temperature was +27°C, with an absolute maximum of +31°C and a minimum of +24°C. The average humidity was 77%, with a maximum of 100% and a minimum of 51%. The average wind speed was 5 m/s, with a maximum of 13 m/s and a minimum of 0 m/s.
Are you planning a trip in December?
Climate Change over Years
This is how Kahului climate have been changing during last 43 years period.
The climate in Kahului in December has not changed much over the last 43 years.
The average temperature was the lowest in 1983 (+26°C) and the highest in 2014 (+29°C). The driest year was 1983 with only 175 mm of rainfall, and the wettest year was 1989 with 1105 mm.
FAQ
Frequently asked questions about the weather in Kahului in December:
Is December a good time to visit Kahului?
December is a really good time to go to Kahului. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Kahului.
Can you sunbathe in Kahului in December?
December is warm in Kahului. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.
Is Kahului rainy in December?
Kahului is often rainy in December. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Kahului in December?
Usually, it’s not very sunny in Kahului in December, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
For this page, we’ve looked at the typical weather in Kahului, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
