Rio Maior Weather in December

During December, Rio Maior experiences moderate daytime temperatures of 16°C (61°F) and cooler nights around 8°C (46°F). As part of the winter season, expect quite a bit of rainfall. Around 83 mm (3.3 in) is typical.

Rainfall in Rio Maior in December

Historically, December sees about 14 days of rain, with a monthly average of 83 mm (3.3 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Rio Maior in December

Daytime temperatures in Rio Maior reach 16°C (61°F) in December, dropping to 8°C (46°F) at night. The month of December belongs to the winter season. The difference between afternoon and evening temperatures is usually noticeable. 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.

Sunshine in Rio Maior in December

The area experiences a moderate amount of sunshine, with approximately 122 hours of sunlight expected. This means a decent mix of sun and overcast.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, June, July, August, September and October typically offer the best weather for Rio Maior.