Newhaven Weather in January

In Newhaven, January brings low daytime temperatures around 10°C (50°F), with nights cooling to 5°C (41°F). Expect quite a bit of rainfall this month.

Rainfall in Newhaven in January

You can expect rain on roughly 18 days based on historical data, averaging 100 mm (3.9 in) for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Newhaven in January

Newhaven in January gets highs of 10°C (50°F) during the day and drops to 5°C (41°F) at night. January is typically considered a winter month. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. At 5°C (41°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Average water temperature in January

The water sits at 9°C (48°F) this month, which is well below what most people consider swimmable. Wetsuits help, but expect it to still feel cold.

January in Newhaven can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.