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.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
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• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Glendora's climate page.

Glendora Temperature in December

Min Temperature 7°C (45°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 33%  

Precipitation 102 mm (4 in)  

Rainy days 10 days  

Sunshine 205 hours *  

Percentage Sunshine *  

* Data from: Corona, the United States of America (39 KM, 24 Miles).

What to Wear in Glendora in December

Comfortable temperatures call for an easy wardrobe in December. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Glendora in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

9/10

Walking

9/10

Camping

3/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Glendora's climate page.

More climate data for Glendora

Temperature Rainfall Sunshine

See the full Glendora climate overview or explore weather in the United States of America.