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JamaicaThe weather in December in Cornwall
It's hot in December in Cornwall with an average temperature of 30°C. Temperatures this month range from a low of 29°C to a high of 31°C. At night, you can expect temperatures between 24°C and 25°C.
December is a good month to be in Cornwall for sunny weather. You’ll have high temperatures and 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 Cornwall, Jamaica. 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 36°C in 2022, Cornwall reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 25°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 21°C to a highest value of 27°C.
Rainfall amount
In December, there is an average of 89 mm of precipitation, spread over 12 days. The wind speed is around 5 Bft, mostly coming from the East.
Daily weather in December for Cornwall
Click on any day in December to get detailed info about the usual weather on that day in Cornwall. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Cornwall | New York | |
|---|---|---|
| Average temperature | 30°C | 9°C |
| Max. temperature | 31°C | 12°C |
| Min. temperature | 24°C | -5°C |
| Total precipitation | 89 mm | 133 mm |
| Rainy days | 12 days | 17 days |
Start of December
The month of December starts in Cornwall with hot temps, averaging around 31°C during the day and nights around 25°C.
Mid December
By mid-December, daytime temps drop to around 30°C, with nights around 25°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 Cornwall is around 30°C, while nighttime temps are about 25°C. A shower might pop up, but overall, the weather will be dry and sunny.
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
The hurricane season in Cornwall runs from June to November.
Check out the climate of Cornwall for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in December in Cornwall, Jamaica. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in Cornwall
Temperature in December in Cornwall over the years
Precipitation charts
These charts show the average amount of precipitation in December in Cornwall, Jamaica. 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 Cornwall
Total precipitation in December in Cornwall over the years
Daily UV index in December in Cornwall
This chart shows the average daily UV index in December in Cornwall, 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 Cornwall
Have you been to Cornwall in December?
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Average weather in Cornwall by month
Click on a month below to see detailed weather info for Cornwall. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.