Weather in December 2018 in Mercer Island
The average temperature in Mercer Island in December year of 2018 is +9°C. Interesting that the average daytime temperature is as +9°C while the average nightly temperature is +8°C. The December hottest day is the 16th December(Overnight) with a temperature of about +14°C. The coldest day in Auckland in December 2018 is 6th December(Evening). The temperature at that time is -2°C.
As a Occasional cloudy month, December 2018 has 3 days with precipitation.
How Sunny Mercer Island Weather in December 2018
The weather in Mercer Island is quite changeable, similarly in many other places in . Talking about Mercer Island weather in December 2018 can be described as "Occasional cloudy".
Clear Sky vs Cloudiness | Occasional cloudy |
Rainy Days(Occasional Showers Included) | 3 |
Maximum Temperature | +14°C (Overnight, 16th December) |
Minimum Temperature | -2°C (Evening, 6th December) |
Please find more detailed day by day information about December weather in Auckland in the year 2018 below.