Temperatures in December
It's warm in December in Mililani with an average temperature of 26°C. Temperatures this month range from a low of 25°C to a high of 28°C. At night, you can expect temperatures between 19°C and 21°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Mililani in December. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of December
The month of December starts in Mililani with hot temperatures, averaging around 27°C during the day and nights close to 20°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-December
By mid-December, the average daytime temperature stays the same at 27°C, with nights close to 20°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days.
Temperatures vary between day and night, so it’s smart to wear layers.
End of December
By the end of December, the average daytime temperature in Mililani will be around 26°C, with nights close to 20°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days.
As it gets cooler in the evening, it’s best to wear layers.
Precipitation in December
In December, there is an average of 160 mm of precipitation, spread over 10 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
The average precipitation chance is 32% per day this month.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in December for Mililani. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Mililani in December |
London | ||
|---|---|---|---|
 Average Temperature |
26°C | 9°C | |
 High Temp |
28°C | 11°C | |
| Low Temp |
25°C | 8°C | |
 Total Precipitation |
160 mm | 67 mm | |
| Rainy Days |
10 days | 10 days | |
November
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is December a good time to visit Mililani?
After some sun? Then December isn’t the best time to be in Mililani. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for Mililani in December
With 30°C, Mililani hit the highest temperature in the last 10 years in December 2023. The lowest daytime temperature in this month was 20°C in 2014. The extreme night temperatures ranged from a low of 13°C to a high of 25°C.
Check out the climate of Mililani for all months and discover the best travel time
Daily Temperature in December in Mililani
This chart shows the average daily temperatures, both day and night, for each day in December in Mililani, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in December in Mililani
The chart below shows the average daily precipitation in December for Mililani, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for December, you can expect around 10 days of rain in Mililani.
Daily UV Index in December in Mililani
This chart shows the average daily UV index in December in Mililani, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in December in Mililani Over the Years
This chart shows the average temperature in December in Mililani, measured in degrees Celsius, over the past years.
Total Precipitation in December in Mililani Over the Years
This chart shows the average precipitation in December in Mililani, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in December for Mililani
Click on a specific day in December for detailed info on the typical weather on that day in Mililani. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Mililani
Have you been to Mililani in December?
Share your weather experience in December in Mililani.
Average Weather in Mililani by Month
Click on a month below to see detailed weather info for Mililani. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
