Here are two other ways to check if your body is dehydrated. Try this skin test. First, use two fingers to grab a roll of skin on the back of your hand (between where your watch sits and where your fingers start), advises Higgins. Pull the skin up about Â½ to one centimeter high and then let the skin go.
October is our wettest month, and Iceland gets an average low of 37Â°F (about 3Â°C) and highs of 45Â°F (7Â°C). Expect lots of rain, usually drizzle. The average amount of rain is 4 to 5 inches, or 101-127 mm. But as always, the rain amount depends on which part of Iceland you are visiting.
October is characterised by a dramatic drop in temperature from the beginning to the end of the month. Around October, average temperature is about 17Â°C (63Â°F), with highs of 21Â°C (70Â°F) and lows of 13Â°C (56Â°F). By mid-October, averages are around 13Â°C (56Â°F), with highs of 17Â°C (64Â°F) and lows of 10Â°C (50Â°F).