Isles of Scilly in december: average Weather, Temperature and Climate
Weather in Isles of Scilly in december 2026
The weather in Isles of Scilly in the month of december comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout december
bad weather
Weather at 6am
52°F
Moderate rain at times
31% of time
28%
19%
15%
Weather at 12pm
52°F
Moderate rain at times
30% of time
27%
18%
17%
Weather at 6pm
52°F
Cloudy
31% of time
30%
17%
16%
Weather at 3am
52°F
35%
26%
19%
14%
Evolution of daily average temperature and precipitation in Isles of Scilly in december
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Isles of Scilly in december.
The climate of Isles of Scilly in december is bad
the weather in Isles of Scilly in december is wet (with 5.9in of precipitation over 10 days). This is better than the previous month since in november it receives an average of 6.3in of precipitation over 11 days.
The climate is relatively cool in this location the month of december, but it is bearable when dressing cosy. The thermometer averaged maximum of 54°F. In the morning the temperature drops to 52°F. Thus, the mean temperature average in december in Isles of Scilly is 52°F. These temperatures are far removed from those records observed in Isles of Scilly in december with a maximum record of 58°F in 2015 and a minimum record of 29°F in 2020.
Day length in Isles of Scilly in december is 08:07. Sunrise is at 08:17 and sunset is at 16:24.
With a bad climate, this month is not recommended to go there.
Seasonal average climate and temperature of Isles of Scilly in december
Check below seasonal norms These datas are set from the weather statements earlier years of december.
| December | |||||
| Outside temperature | |||||
| Average temperature | 52°F | ||||
| Highest temperature | 54°F | ||||
| Lowest temperature | 52°F | ||||
| Highest record temperature | 58°F (2015) | ||||
| Lowest record temperature | 29°F (2020) | ||||
| Sea temperature | |||||
| Average sea temperature | 54°F | ||||
| Lowest sea temperature | 52°F | ||||
| Highest sea temperature | 56°F | ||||
| Wind | |||||
| Wind speed | 43km/h | ||||
| Wind temperature | 45°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 5.9in | ||||
| Number of days with rainfall | 10 day(s) (32%) | ||||
| Record daily rainfall | 1.5in (2009) | ||||
| Other climate data | |||||
| Humidity | 83% | ||||
| Visibility | 9.19km | ||||
| Cloud cover | 63% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 6 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 08:17 | ||||
| Time of sunset | 16:24 | ||||
| Length of day | 08:07 | ||||
| Our opinion about the weather in december | |||||
| Our opinion at whereandwhen.net | bad | ||||
How was the weather last december?
Here is the day by day recorded weather in Isles of Scilly in december 2025:
54°F to 56°F
49°F to 52°F
50°F to 52°F
49°F to 50°F
52°F to 56°F
52°F to 54°F
54°F to 58°F
54°F to 56°F
54°F to 58°F
54°F to 54°F
50°F to 54°F
52°F to 54°F
52°F to 52°F
54°F to 54°F
52°F to 52°F
50°F to 52°F
52°F to 54°F
50°F to 54°F
50°F to 52°F
50°F to 52°F
49°F to 49°F
52°F to 54°F
49°F to 52°F
47°F to 49°F
43°F to 45°F
45°F to 47°F
47°F to 50°F
49°F to 52°F
45°F to 47°F
47°F to 49°F
47°F to 47°F
Map: other cities in England in december
Cities near Isles of Scilly:
| Penzance in december | bad weather |
| Falmouth in december | bad weather |
| Cornwall in december | bad weather |
| Plymouth in december | bad weather |
| Clovelly in december | bad weather |
| Salcombe in december | bad weather |
| Paignton in december | bad weather |
| Barnstaple in december | bad weather |
| Torquay in december | bad weather |
| Exeter in december | bad weather |
| Exmouth in december | bad weather |
| Exmoor National Park in december | bad weather |
Click over cities on the map for information about the weather in december.
Isles of Scilly
perfect weather
good
tolerable
bad
very bad
Weather data for Isles of Scilly in december:
Weather data for Isles of Scilly for december are derived from an average of the weather forecast since 2009 in Isles of Scilly. There is a margin of error and these forecasts are to be considered as general information only. The weather in Isles of Scilly can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Isles of Scilly.