Portsmouth Weather in January

Thinking of visiting Portsmouth in January? Expect low temperatures reaching 10°C (50°F) during the day, dropping to 4°C (39°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Portsmouth in January

Analyzing past climate data, one can expect approximately 17 days of rain, averaging 82 mm (3.2 in). Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.

Temperature in Portsmouth in January

Temperatures in Portsmouth in January top out at 10°C (50°F) and drop to 4°C (39°F) overnight. The winter season takes place during January. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. With lows around 4°C (39°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Portsmouth in January

The month is characterized by fewer sunny days, with roughly 63 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.

If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Portsmouth. Our weather planner can help you explore destinations with more pleasant weather conditions.