Weather in ロッテルダム in 12月

Climate normals based on 10 years of historical data for ロッテルダム, オランダ王国.

Average high

8°C

Average low

5°C

Rainfall

79 mm

14 rainy days

Sunshine

1.1h/day

湿度

82%

Sea temperature

7.7°C

How Hot Is ロッテルダム in 12月?

December brings typical readings of 8°C by day and 5°C by night to ロッテルダム. Temperatures climb 2°C over November's averages in ロッテルダム.

Sun is in short supply in ロッテルダム this December: 1.1h a day, with daylight only 8h-long.

Steady, frequent rain defines December: ロッテルダム averages 79mm in 14 days.

ロッテルダム is sticky and humid throughout December: 82% humidity makes the heat feel relentless.

Sea temperatures hover around 7.7°C off ロッテルダム in December — far too cold for casual swimming.

Snow lightly dusts ロッテルダム once or twice in December — 0.5 snow days on average.

ロッテルダム sees consistent breezes in December: typical wind speeds of 24 kph.

Persistent overcast defines ロッテルダム's December: 77% cloud cover on average.