Monthly weather forecast in Barcelona
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
|---|---|---|---|---|---|---|
| 3 December, Sunday. day, 12°; night, 9°; clear | 4 December, Monday. day, 13°; night, 10°; partly cloudy | 5 December, Tuesday. day, 14°; night, 12°; clear | 6 December, Wednesday. day, 14°; night, 12°; clear | 7 December, Thursday. day, 14°; night, 12°; partly cloudy | 8 December, Friday. day, 16°; night, 6°; light rain | 9 December, Saturday. day, 17°; night, 9°; overcast |
| 10 December, Sunday. day, 18°; night, 12°; overcast | 11 December, Monday. day, 20°; night, 11°; partly cloudy | 12 December, Tuesday. day, 19°; night, 13°; overcast | 13 December, Wednesday. day, 16°; night, 11°; overcast | 14 December, Thursday. day, 15°; night, 8°; partly cloudy | 15 December, Friday. day, 14°; night, 10°; partly cloudy | 16 December, Saturday. day, 15°; night, 10°; clear |
| 17 December, Sunday. day, 16°; night, 11°; mostly clear | 18 December, Monday. day, 16°; night, 11°; clear | 19 December, Tuesday. day, 15°; night, 11°; clear | 20 December, Wednesday. day, 14°; night, 10°; clear | 21 December, Thursday. day, 13°; night, 10°; clear | 22 December, Friday. day, 10°; night, 9°; clear | 23 December, Saturday. day, 12°; night, 12°; clear |
| 24 December, Sunday. day, 14°; night, 12°; clear | 25 December, Monday. day, 15°; night, 13°; mostly clear | 26 December, Tuesday. day, 14°; night, 14°; partly cloudy | 27 December, Wednesday. day, 13°; night, 8°; partly cloudy | 28 December, Thursday. day, 9°; night, 8°; mostly clear | 29 December, Friday. day, 11°; night, 10°; partly cloudy | 30 December, Saturday. day, 13°; night, 11°; clear |
| 31 December, Sunday. day, 13°; night, 12°; clear | 1 January, Monday. day, 15°; night, 13°; clear | 2 January, Tuesday. day, 14°; night, 11°; partly cloudy | 3 January, Wednesday. day, 12°; night, 12°; partly cloudy | 4 January, Thursday. day, 13°; night, 12°; clear | 5 January, Friday. day, 13°; night, 12°; mostly clear | 6 January, Saturday. day, 12°; night, 10°; mostly clear |
Average for 30 days
17 sunny days; 1 day with precipitation; 12 cloudy days;
air humidity 70%; 0.2 millimeters of precipitation (1% of annual average); Wind north-westerly 5.5 Meters per second; Water temperature +16°