Figure in the cost of excavation. A concrete slab is generally installed over a gravel base. The base is 4 inches, and the slab itself is 4 inches, with 2 inches above ground and 2 inches below. This means that for the average slab, you will be digging down 6 inches.
Quick facts about the weather and daylight in January. Average temperature: -0.11Â°C / 31.8Â°F. Average hours of sunlight: 24.8. Average of lowest and highest recorded temperature in January: Low -10.55Â°C / 13.01Â°F â High 8.15Â°C / 46.67Â°F. Length of day on January 1st: 4 hours and 24 minutes. If you are looking for Mai Thais by the pool and tropical weather, Iceland in January is probably not for you. If, however, winter is your jam then pack your bags and head on over.
The coldest month in Iceland is january but in some location, especially north, february is the coldest. The mean temp for Reykjavik in january which is the coldest month is around 0 CÂ°, but in the extreme south the mean temperature in january is +2-3 CÂ°, which is comparable with locations in northern England. The rainest month in October but the driest is May in some location with up to 260 sunhours.