Mývatn in december: average Weather, Temperature and Climate
Weather in Mývatn in december 2026
The weather in Mývatn in december comes from statistical datas on the last years. You can view the weather statistics the entire month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout december
very bad weather 1226.8cm
Weather at 6am
20°F
Snow showers
43% of time
17%
14%
11%
Weather at 12pm
20°F
Snow showers
42% of time
17%
13%
11%
Weather at 6pm
25°F
Snow showers
42% of time
15%
15%
12%
Weather at 3am
20°F
55%
14%
13%
7%
Evolution of daily average temperature and precipitation in Mývatn in december
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Mývatn in december.
The climate of Mývatn in december is very bad
The climate in december in Mývatn is wet (with 8.8in of precipitation over 12 days). It should be noted a worsening from the previous month since in november there is an average of 8.6in of precipitation over 12 days.
The climate is very cold in this city this month. Do not forget to take with you warm clothes!. The thermometer averaged maximum of 29°F. In the morning the temperature drops to 18°F. Thus, the mean temperature average in december in Mývatn is 23°F. Note that seasonal normals are in contrast with those observed in Mývatn in december with a maximum record of 47°F in 2019 and a minimum record of -16°F in 2013. You can expect to have about 30 days with temperatures below 32°F, or 97% of time.
On this month of december, day length in Mývatn is generally 03:14. Sunrise is at 11:26 and sunset is at 14:40.
Seasonal average climate and temperature of Mývatn in december
Check below seasonal norms These statistics are generated from the weather statements of the past years of the month of december.
| December | |||||
| Outside temperature | |||||
| Average temperature | 23°F | ||||
| Highest temperature | 29°F | ||||
| Lowest temperature | 18°F | ||||
| Highest record temperature | 47°F (2019) | ||||
| Lowest record temperature | -16°F (2013) | ||||
| Number of days at -32°F | 30 day(s) (97%) | ||||
| Wind | |||||
| Wind speed | 21km/h | ||||
| Wind temperature | 7°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 8.8in | ||||
| Number of days with rainfall | 12 day(s) (37%) | ||||
| Record daily rainfall | 3.8in (2019) | ||||
| Snowfall | 1226.8cm | ||||
| Other climate data | |||||
| Humidity | 94% | ||||
| Visibility | 5.91km | ||||
| Cloud cover | 71% | ||||
| UV index | 2 | ||||
| Daily sunshine hours | 2 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 11:26 | ||||
| Time of sunset | 14:40 | ||||
| Length of day | 03:14 | ||||
| Our opinion about the weather in december | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last december?
Here is the day by day recorded weather in Mývatn in december 2025:
23°F to 34°F
23°F to 31°F
14°F to 25°F
22°F to 31°F
25°F to 36°F
29°F to 38°F
27°F to 36°F
25°F to 34°F
23°F to 32°F
29°F to 34°F
25°F to 32°F
14°F to 31°F
18°F to 29°F
14°F to 25°F
20°F to 25°F
9°F to 16°F
5°F to 31°F
31°F to 34°F
13°F to 20°F
22°F to 31°F
23°F to 38°F
22°F to 31°F
18°F to 41°F
34°F to 45°F
32°F to 43°F
27°F to 43°F
29°F to 32°F
29°F to 36°F
25°F to 36°F
22°F to 31°F
16°F to 29°F
Map: other cities in Iceland in december
Cities near Mývatn:
| Dettifoss in december | very bad weather |
| Asbyrgi Canyon in december | very bad weather |
| Húsavík in december | very bad weather |
| Akureyri in december | very bad weather |
| Askja in december | very bad weather |
| Dalvik in december | very bad weather |
| Þórshöfn in december | very bad weather |
| Raufarhöfn in december | very bad weather |
| Siglufjördur in december | very bad weather |
| Miðgarðar in december | very bad weather |
| Egilsstaðir in december | very bad weather |
| Seyðisfjörður in december | very bad weather |
Click over cities on the map for information about the weather in december.
Mývatn
perfect weather
good
tolerable
bad
very bad
Weather data for Mývatn in december:
Weather data for Mývatn for december are derived from an average of the weather forecast since 2009 in Mývatn. There is a margin of error and these forecasts are to be considered as general information only. The weather in Mývatn 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 Mývatn.