Temperatures in December
It's pleasantly warm in December in Cass Bay with an average temperature of 21°C. Temperatures this month range from a low of 19°C to a high of 23°C. At night, you can expect temperatures between 10°C and 13°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Cass Bay 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 Cass Bay with warm temperatures, averaging around 22°C during the day and nights close to 12°C. There’s little chance of precipitation. The weather is mostly sunny and dry.
Mid-December
By mid-December, the average daytime temperature drops to around 21°C, with nights close to 12°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of December
By the end of December, the average daytime temperature in Cass Bay will be around 21°C, with nights close to 13°C. A shower might show up, but overall the weather will be dry and sunny.
Precipitation in December
In December, there is an average of 57 mm of precipitation, spread over 9 days. The wind speed is around 5 Bft, mostly coming from the Southeast.
The average precipitation chance is 31% per day this month.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in December for Cass Bay. 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.
Cass Bay in December |
London | ||
|---|---|---|---|
 Average Temperature |
21°C | 9°C | |
 High Temp |
23°C | 11°C | |
| Low Temp |
19°C | 8°C | |
 Total Precipitation |
57 mm | 67 mm | |
| Rainy Days |
9 days | 10 days | |
November
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is December a good time to visit Cass Bay?
Want nice weather? Then December is a great time to be in Cass Bay. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for Cass Bay in December
With 35°C, Cass Bay hit the highest temperature in the last 10 years in December 2015. The lowest daytime temperature in this month was 12°C in 2021. The extreme night temperatures ranged from a low of 2°C to a high of 20°C.
Check out the climate of Cass Bay for all months and discover the best travel time
Daily Temperature in December in Cass Bay
This chart shows the average daily temperatures, both day and night, for each day in December in Cass Bay, 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 Cass Bay
The chart below shows the average daily precipitation in December for Cass Bay, 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 9 days of rain in Cass Bay.
Daily UV Index in December in Cass Bay
This chart shows the average daily UV index in December in Cass Bay, 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 Cass Bay Over the Years
This chart shows the average temperature in December in Cass Bay, measured in degrees Celsius, over the past years.
Total Precipitation in December in Cass Bay Over the Years
This chart shows the average precipitation in December in Cass Bay, 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 Cass Bay
Click on a specific day in December for detailed info on the typical weather on that day in Cass Bay. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Cass Bay
Have you been to Cass Bay in December?
Share your weather experience in December in Cass Bay.
Average Weather in Cass Bay by Month
Click on a month below to see detailed weather info for Cass Bay. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
