Monrovia Weather in December

December in Monrovia averages 19°C (66°F) during the day and 8°C (46°F) at night. It is the wettest month of the year, with 98 mm (3.9 in) of rainfall on average, so waterproof gear is a must.

Rainfall in Monrovia in December

With frequent rain showers this month, having an umbrella on hand will keep you dry. Typically, about 9 days will experience rainfall, with an average of 98 mm (3.9 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Monrovia in December

December in Monrovia brings pleasant temperatures, with highs of 19°C (66°F) and nights around 8°C (46°F). December marks the winter season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 8°C (46°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 Monrovia in December

Expect a lot of sunshine this month, with about 220 hours of sun. These sunny conditions add to the overall experience.

If your ideal day consists of dry skies and pleasant temperatures, January, February, March, April, May, June, October and November typically offer the best circumstances for Monrovia.

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 Monrovia's climate page.

Monrovia Temperature in December

Min Temperature 8°C (46°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 31%  

Precipitation 98 mm (3.9 in)  

Rainy days 9 days  

Humidity 52% *  

Sunshine 220 hours *  

Percentage Sunshine 71% *  

* Data from: Los Angeles, the United States of America (43 KM, 27 Miles).

What to Wear in Monrovia in December

For Monrovia in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Monrovia in December

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

Cycling

9/10

Walking

9/10

Camping

4/10

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 Monrovia's climate page.

More climate data for Monrovia

Temperature Rainfall Sunshine Humidity

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