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Climate · Ioulis

Ioulis in December

Cool and damp, as the days hold steady.

Typical weather, averaged over 30 years

December in Ioulis is cool, around 55°F through the day and night. Rain falls on about two days a week, more often as the month goes on, and daylight holds at about 9 hours 36 minutes.December in Ioulis is cool, around 13°C through the day and night. Rain falls on about two days a week, more often as the month goes on, and daylight holds at about 9 hours 36 minutes.

Typical
55°F13°Caverage
Wet days
2a week · 33% of days
Daylight
9h 36mon average

Is December a good time to visit Ioulis?

December sits outside Ioulis's best months, which run from June to September. Expect cool days and rain on about two days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How December sits in the year

week by week

Temperature

Around 55°F in December, against 52°F to 80°F through the year.Around 13°C in December, against 11°C to 27°C through the year.

Chance of a wet day

33% of days in December, against 2% to 33% through the year.

Cloud cover

50% cover in December, against 3% to 50% through the year.

Daylight

9h 36m in December, against 9h 36m to 14h 43m through the year.

Week by week, lightly smoothed, with December shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. November61°16°1 wet day a weekRain on about one day a week.
  2. December55°13°2 wet days a weekRain on about two days a week.
  3. January52°11°2 wet days a weekRain on about two days a week.

Where Ioulis sits, in December

Europe/Athens
this place
typical high in December 40°F4°C95°F35°C
Sunrise, mid-December
7:30 AMsets 5:05 PM
Above the sea
80 mlow-lying
Latitude
37.6°Nnorthern hemisphere
Nearest of ours
Athens65 km north-west

The land around Ioulis, shaded by its typical high in December, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Greece in December

typical · wet days
See December on the planning mapThe whole year in Ioulis

Typical weather, averaged over 30 years (1995–2024). Ioulis sits on a grid square that is mostly sea, where the data hold only a daily average, so the page shows one typical temperature, not a high and a low. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.