Arco de São Jorge Weather in December

Arco de São Jorge in December sees pleasant daytime temperatures of 19°C (66°F) and nighttime lows of 15°C (59°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.

Rainfall in Arco de São Jorge in December

This month sees the most rain, so carrying an umbrella will ensure you stay dry. Past climate data indicates that roughly 12 days will see rain, totalling around 84 mm (3.3 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Arco de São Jorge in December

Daytime highs in Arco de São Jorge in December reach 19°C (66°F), with nights around 15°C (59°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows of 15°C (59°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Arco de São Jorge in December

The area enjoys a balanced 152 hours of sunlight, ensuring it's neither too overcast nor too sunny.

Wind Speed in Arco de São Jorge in December

Average wind conditions reach 2 m/s (4 knots) in December. This creates comfortable weather with light winds that gently move vegetation. Keep in mind this is an average. Daily conditions range from near-calm to more noticeable wind.

Average water temperature in December

At 19°C (66°F), the water is getting there, comfortable enough for most swimmers, though those used to warmer seas may still find it a touch cool.

Should you favor a climate that's both dry and comfortably warm, May, June, July, August, September, October and November typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.