Glendora Weather in December

December in Glendora averages 19°C (66°F) during the day and 7°C (45°F) at night. It is the wettest month of the year, with 102 mm (4 in) of rainfall on average, so waterproof gear is a must.

Rainfall in Glendora in December

An umbrella might come in handy since it is the wettest month of the year. Based on our climate data of the past 30 years, about 10 days of rain are anticipated, with 102 mm (4 in) on average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Glendora in December

Daytime temperatures in Glendora reach 19°C (66°F) in December, dropping to 7°C (45°F) at night. December is known for being in the winter season. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 7°C (45°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions. This period usually represents the year's more moderate temperatures, but it's far from being chilly.

Sunshine in Glendora in December

Expect a lot of sunshine this month, with about 205 hours of sun. These sunny conditions add to the overall experience.

December in Glendora 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.