The bar chart below shows the average monthly peak daytime temperatures at Grindavík
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 1.7 | 2.5 | 2.8 | 5.3 | 8.8 | 11.2 | 12.8 | 12.6 | 9.5 | 6.4 | 3.3 | 2.1 |
°F | 35.1 | 36.6 | 37.1 | 41.6 | 47.8 | 52.2 | 55 | 54.6 | 49.2 | 43.6 | 38 | 35.8 |
Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.
The graph below shows the average rainfall and number of rainy days per month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
mm | 104 | 101 | 102 | 82 | 68 | 71 | 67 | 92 | 97 | 124 | 104 | 111 |
inches | 4.1 | 4 | 4 | 3.2 | 2.7 | 2.8 | 2.6 | 3.6 | 3.8 | 4.9 | 4.1 | 4.4 |
Rainy days | 19 | 18 | 20 | 19 | 16 | 17 | 17 | 18 | 18 | 21 | 18 | 20 |
Average annual rainfall in Grindavík: 1162.5mm (457.7 inches)
The bar chart below shows the average daily sunshine hours in Grindavík
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 0.7 | 1.5 | 3.1 | 4.5 | 3 | 0 | 3 | 5.4 | 4.1 | 2.6 | 1.4 | 0.5 |
The graph below shows the daily range of temperatures for each month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Min °C | -2.9 | -2.1 | -2 | 0.4 | 3.5 | 6.5 | 7.9 | 7.7 | 5 | 2.3 | -1.1 | -2.6 |
Max °C | 1.9 | 2.7 | 3 | 5.5 | 8.9 | 11.4 | 12.9 | 12.7 | 9.7 | 6.6 | 3.5 | 2.2 |
Min °F | 26.9 | 28.3 | 28.5 | 32.6 | 38.3 | 43.6 | 46.2 | 45.9 | 40.9 | 36.1 | 30.1 | 27.3 |
Max °F | 31.1 | 32.5 | 32.9 | 37.2 | 43.2 | 48 | 50.7 | 50.4 | 45.1 | 39.9 | 34.2 | 31.6 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 7 | 6.8 | 6.6 | 6.7 | 7.7 | 9.5 | 11.3 | 11.9 | 10.9 | 9.4 | 8.1 | 7.4 |
°F | 44.6 | 44.2 | 43.9 | 44 | 45.8 | 49.2 | 52.3 | 53.4 | 51.5 | 48.9 | 46.6 | 45.3 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 25 | 26 | 25 | 23 | 20 | 19 | 18 | 19 | 21 | 22 | 23 | 25 |
mph | 16 | 16 | 16 | 14 | 12 | 12 | 11 | 12 | 13 | 14 | 15 | 16 |
A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.
The graph below shows the average relative humidity.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
---|---|---|---|---|---|---|---|---|---|---|---|
82% | 82% | 81% | 81% | 78% | 80% | 82% | 82% | 81% | 82% | 82% | 82% |
Hottest month: | July | 12.8°C 55°F |
---|---|---|
Driest month: | July | 67mm 2.6ins |
Sunniest month: | May | 3hrs |
Coldest month: | January | 1.7°C 35.1°F |
Wettest month: | October | 124mm 4.9ins |
Warmest sea: | August | 11.9°C 53.4°F |