Brentwood Weather in January

January in Brentwood averages 9°C (48°F) during the day and 3°C (37°F) at night. Around 56 mm (2.2 in) of rainfall is typical for this time of year.

Rainfall in Brentwood in January

Looking at the last 30 years, the data shows about 17 days with rain, averaging 56 mm (2.2 in) for the month. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.

Temperature in Brentwood in January

Temperatures in Brentwood in January top out at 9°C (48°F) and drop to 3°C (37°F) overnight. The winter season takes place during January. It stays cool throughout the day, so warm layers are a good idea from morning to evening. Nights drop to 3°C (37°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. Being the coldest month of the year, it's a good idea to bring your heaviest winter gear.

Sunshine in Brentwood in January

The city usually sees around 61 hours of sunlight, indicating fewer sunny days.

If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Brentwood. Our weather planner can help you explore destinations with more pleasant weather conditions.