Thira is typically mild in December.

Maximum temperatures go down compared to the previous month from +64°F to +59°F. The minimum temperature also goes down from +61°F to +55°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how December is compared to other months in Thira:

December weather is still as ok as in November. It’s getting colder in December. From +64°F in the day, the average maximum temperature lowers to +59°F. Prepare for more rain. Average rainfall goes from 39 mm to 58 mm. It feels drier, as humidity decreases from 75% to 74%. Winds are stronger in comparison to November, going up from 5 m/s to 6 m/s on average. The days becoming less sunny, going from 7 sunny days in November to 4 in December.

January brings much the same weather, it remains ok.

The climate in Thira in December has not changed that much over the last 43 years.

The average temperature was the lowest in 1983 (+64°F) and the highest in 2024 (+70°F). The driest year was 1989 with only 187 mm of rainfall, and the wettest year was 2019 with 564 mm.

For this page, we’ve looked at the typical weather in Thira, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.