Athens, Greece Climate & Monthly Averages

Greece 🇬🇷 · semi-arid climate
Annual avg
64°
Hottest month
July
Coldest month
January
Rainy days / yr
65
Sunshine
10.5 h/day
Right now: 63° and clear - see live conditions

The climate of Athens

Athens runs on a dry-summer rhythm: the warmest months are also the driest. July averages 10 mm (0.4 in) while the wet season peaks in December at 3.4 inches (86 mm). Highs range from 54°F (12°C) to 92°F (34°C).

Climate quick facts

  • Hottest month: July - highs near 92°F (34°C)
  • Coldest month: January - highs near 54°F (12°C)
  • Decade extremes (2015-2024): 111°F (44°C) high · 26°F (-3°C) low
  • Wettest month: December (8 rainy days) · Sunniest: July (13.6 h sun/day)
  • Climate type: semi-arid
  • Annual swing: 20°C between the average warmest and coolest month · day to night: 8°C
  • Snow: about 1 days a year
  • Months averaging 30°C or hotter: 3
  • Average humidity: 62%

Temperatures through the year

Warmth peaks in July: highs of 92°F (34°C), lows of 74°F (23°C). January sits at the other end of the year: 54°F (12°C) by day, 42°F (5°C) at night. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 111°F (44°C) and the lowest daily minimum 26°F (-3°C). Four of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is April through May.

Rain, sun and snow

July is the brightest month at 13.6 hours of sun a day, against an annual average of 10.5 - sunnier than roughly 82% of the cities we track. Precipitation concentrates in December - 3.4 inches (86 mm) on 8 days - and thins out by July. Snowfall is rare but not unheard of.

How Athens compares

  • Athens sits close to the middle of our dataset on most measures: 64°F (18°C) as an annual average, 19.4 inches (492 mm) of precipitation and 10.5 hours of sun a day.

Ranked against every city in our dataset, each measured on the same ten-year window.

Monthly climate table

Monthly averages for Athens based on 2015–2024 weather data. Daylight is sunrise to sunset on the 15th; wet-day chance is the share of days with measurable rain.
MonthHighLow Rain daysPrecipitation SunshineDaylightWet-day chanceHumidity
January 54° 42° 8 2.8 in 7.3 h/day 9.8 h 27% 75%
February 57° 44° 7 2.0 in 8.5 h/day 10.7 h 25% 74%
March 60° 46° 7 2.1 in 9.6 h/day 11.8 h 24% 70%
April 69° 52° 5 1.1 in 11.4 h/day 13.1 h 17% 60%
May 77° 61° 5 1.2 in 12.2 h/day 14.2 h 16% 56%
June 86° 69° 6 1.2 in 13.5 h/day 14.8 h 18% 53%
July 92° 74° 2 0.4 in 13.6 h/day 14.5 h 6% 44%
August 91° 73° 2 0.5 in 12.9 h/day 13.6 h 8% 46%
September 83° 67° 3 1.2 in 11.4 h/day 12.4 h 11% 56%
October 74° 59° 3 1.1 in 9.6 h/day 11.1 h 10% 66%
November 65° 52° 7 2.5 in 8.2 h/day 10.1 h 25% 74%
December 57° 46° 8 3.4 in 7.3 h/day 9.5 h 27% 76%

Athens month by month

Average high and low for each month, with the bar showing where it sits in Athens's year (left is the coldest night, right is the warmest afternoon).

January

Coldest
54°42°
Rain
8 days
Sunshine
7.3 h
Daylight
9.8 h

February

57°44°
Rain
7 days
Sunshine
8.5 h
Daylight
10.7 h

March

60°46°
Rain
7 days
Sunshine
9.6 h
Daylight
11.8 h

April

69°52°
Rain
5 days
Sunshine
11.4 h
Daylight
13.1 h

May

77°61°
Rain
5 days
Sunshine
12.2 h
Daylight
14.2 h

June

86°69°
Rain
6 days
Sunshine
13.5 h
Daylight
14.8 h

July

HottestDriestSunniest
92°74°
Rain
2 days
Sunshine
13.6 h
Daylight
14.5 h

August

91°73°
Rain
2 days
Sunshine
12.9 h
Daylight
13.6 h

September

83°67°
Rain
3 days
Sunshine
11.4 h
Daylight
12.4 h

October

74°59°
Rain
3 days
Sunshine
9.6 h
Daylight
11.1 h

November

65°52°
Rain
7 days
Sunshine
8.2 h
Daylight
10.1 h

December

Wettest
57°46°
Rain
8 days
Sunshine
7.3 h
Daylight
9.5 h

Warmer places to go, by month: January · February · March · April · May · June · July · August · September · October · November · December

Seasons in Athens

Spring (March through May)

Spring brings comfortable warmth here - highs near 69°F (20°C), nights near 53°F (12°C), and rain comes on about 17 days over the three months. Daylight is generous - around 11.1 hours of sun a day.

Summer (June through August)

Summer in Athens is hot, with daytime highs averaging 90°F (32°C) and nights around 72°F (22°C); rain comes on about 10 days over the three months. Daylight is generous - around 13.3 hours of sun a day.

Fall (September through November)

Through fall, Athens is mild and warm: 74°F (24°C) by day, 60°F (15°C) after dark, and rain comes on about 14 days over the three months.

Winter (December through February)

Through winter, Athens is mild: 56°F (13°C) by day, 44°F (6°C) after dark, and expect showers on roughly 24 days across the season.

Climate questions, answered

Is Athens hot in summer?
July averages 92°F (34°C). That is serious heat, and the decade record for this location is 111°F (44°C).
Is Athens humid?
Relative humidity averages 62% across the year, which reads as moderate. The most comfortable stretch falls in the drier half of the year.
What should I pack for Athens?
It depends on the month: July runs to 92°F (34°C) while January holds at 54°F (12°C). The full month-by-month breakdown is in the packing notes above.
How warm is Athens on average?
64°F (18°C) across all twelve months - about 72°F (22°C) by day and 57°F (14°C) after dark.
How long does summer last in Athens?
Average highs hold at 30°C or above for 3 months of the year. Outside that, January pulls back to 54°F (12°C).

Best time to visit Athens

The best time to visit Athens is generally March to May and September to November, when temperatures sit either side of the peak heat rather than in it. Daytime temperatures in that window sit near 72°F (22°C), with rain on about 5 days a month. For the same question asked the other way round, see where else is warm in March.

Pack for Athens with lightweight, breathable clothing and serious sun protection and a warm jacket and layers for the cooler season. July nights average 74°F (23°C), so evenings rarely match the afternoons.

Athens temperature records (2015-2024)

Highest recorded
111°
in June
Lowest recorded
26°
in January
Annual precipitation
19.4"
Snowy days / yr
1

Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need the precipitation in other units? The mm-to-inches rainfall converter handles it.