In January the average maximum daytime temperature in is a cool 9°C (48°F), while the average minimum night-time temperature is a cold 2°C (35°F). Temperatures may fall below freezing in January.

On average 66 mm (2.6 inches) of rainfall is expected during January with rain generally falling on 9 days of the month. There are usually 4 hours of bright sunshine each day, which represents 39% of daylight hours.

During January around midday under clear sky conditions the UV Index is Low (UV Index 2). Average sea temperature in January is a very cold 13°C (56°F).