Climate of Heimaey
Heimaey has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Heimaey is 8° degrees and there is about 931 mm of rain in a year. It is dry for 109 days a year with an average humidity of 77% and an UV-index of 3.
Climate averages for the whole year
- Day: the average daily temperature during the day is between 5°C and 13°C
- Night:the average nighttime temperature is between 2°C and 11°C
- Sea temperature: the sea temperature is between 7°C and 13°C
- Rain: it rains 211 days and there is a total of approximately 931 mm rainfall
- Snow: it snows an average of 30 days per year
- Sun hours: throughout the year there are 2114 sun hours
Maximum temperature: | between 5°C and 13°C |
Warmest month: | 13°C in August |
Coldest month: | 5°C in January |
Night temperature: | between 2°C and 11°C |
Sea temperature: | between 7°C and 13°C |
Dry days: | 124 days |
Days with rain: | 211 days |
Days with snow: | 30 days |
Total rain sum: | 931 mm |
Hours of sunshine: | 2114 hours |
Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Heimaey.
Precipitation graph
This graph shows the average amount of rainfall per month for Heimaey.
Climate table of Heimaey
In this climate table you can see at a glance what the average weather per month is for Heimaey. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Heimaey might be like in a given month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Day temp. (°C) | 5 | 5 | 5 | 6 | 8 | 11 | 12 | 13 | 11 | 8 | 6 | 5 |
Night temp. (°C) | 3 | 3 | 2 | 4 | 6 | 9 | 11 | 11 | 9 | 6 | 4 | 2 |
Water temp. (°C) | 7 | 7 | 7 | 8 | 8 | 10 | 12 | 13 | 12 | 10 | 8 | 8 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (mm) | 108 | 97 | 102 | 70 | 44 | 29 | 39 | 50 | 88 | 111 | 92 | 101 |
Days with rain | 19 | 16 | 18 | 19 | 16 | 14 | 16 | 16 | 21 | 21 | 19 | 16 |
Days with snow | 6 | 4 | 7 | 3 | - | - | - | - | - | 1 | 3 | 6 |
Dry days | 6 | 8 | 6 | 8 | 15 | 16 | 15 | 15 | 9 | 9 | 8 | 9 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Sun hours per day | 3 | 4 | 5 | 6 | 9 | 9 | 9 | 9 | 6 | 5 | 3 | 3 |
Wind force (Bft) | 5 | 5 | 5 | 5 | 4 | 4 | 3 | 4 | 4 | 5 | 5 | 5 |
UV-index | 2 | 2 | 2 | 2 | 3 | 3 | 4 | 3 | 3 | 3 | 2 | 2 |
Best time to visit Heimaey
The best time to visit Heimaey in Iceland is from January through December. In this period you have a very cold temperature and sometimes precipitation. The highest average temperature in Heimaey is 13°C in August and the lowest is 5°C in January. The water temperature is 13°C at its highest and in other months it can be 7°C.
Climate of Heimaey by month
What is the average climate in a given month for Heimaey? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.
Heimaey weather experiences
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