Lake Forest Weather in December

Lake Forest in December sees pleasant temperatures, with highs around 19°C (66°F) and overnight lows of 8°C (46°F). Rainfall is at its peak this month, around 77 mm (3 in) on average, so waterproofs are essential.

Rainfall in Lake Forest in December

During the wettest month of the year, an umbrella can be your best friend to stay dry. Historically, the month has about 8 days of rain, averaging 77 mm (3 in) in total. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Lake Forest in December

Daytime highs in Lake Forest in December reach 19°C (66°F), with nights around 8°C (46°F). December is in the winter season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights fall to 8°C (46°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep. Though the coolest month of the year, the temperatures are far from cold. With still warm days.

Sunshine in Lake Forest in December

The city usually sees around 205 hours of sunlight, indicating many sunny days , a great month for sightseeing.

December in Lake Forest has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.