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New ZealandThe weather in December in Portland
It's warm in December in Portland with an average temperature of 23°C. Temperatures this month range from a low of 21°C to a high of 24°C. At night, you can expect temperatures between 15°C and 17°C.
Looking for great weather? December is a good time to be in Portland. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Portland, New Zealand. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 29°C in 2020, Portland reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 16°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 0°C to a highest value of 21°C.
Rainfall amount
In December, there is an average of 63 mm of precipitation, spread over 10 days. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in December for Portland
Click on any day in December to get detailed info about the usual weather on that day in Portland. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Portland | New York | |
|---|---|---|
| Average temperature | 23°C | 9°C |
| Max. temperature | 24°C | 12°C |
| Min. temperature | 15°C | -5°C |
| Total precipitation | 63 mm | 133 mm |
| Rainy days | 10 days | 17 days |
Start of December
The month of December starts in Portland with warm temps, averaging around 22°C during the day and nights around 16°C.
Mid December
By mid-December, daytime temps rise to around 23°C, with nights around 16°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of December
By the end of December, the average daytime temperature in Portland is around 24°C, while nighttime temps are about 17°C. A shower might pop up, but overall, the weather will be dry and sunny.
UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Portland for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in December in Portland, New Zealand. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in Portland
Temperature in December in Portland over the years
Precipitation charts
These charts show the average amount of precipitation in December in Portland, New Zealand. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in December in Portland
Total precipitation in December in Portland over the years
Daily UV index in December in Portland
This chart shows the average daily UV index in December in Portland, 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.
Weather experiences in December in Portland
Have you been to Portland in December?
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Average weather in Portland by month
Click on a month below to see detailed weather info for Portland. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.