Weather by Month - Athens
Temperature Comparison
The biggest temperature swing occurs between April and May, with a change of 6°C.
Jan
COOL
Feb
COOL
Mar
MILD
Apr
MILD
May
WARM
Jun
HOT
Jul
HOT
Aug
HOT
Sep
WARM
Oct
WARM
Nov
MILD
Dec
COOL
| Month | Low Temperature | High Temperature | Category |
|---|---|---|---|
| January | | | cool |
| February | | | cool |
| March | | | mild |
| April | | | mild |
| May | | | warm |
| June | | | hot |
| July | | | hot |
| August | | | hot |
| September | | | warm |
| October | | | warm |
| November | | | mild |
| December | | | cool |
Rain & Sunshine Patterns
Driest Months
#1 August
Best for: outdoor activities & sightseeing
#2 July
Best for: outdoor activities & sightseeing
#3 June
Best for: outdoor activities & sightseeing
Wettest Months
#1 December
Expect: possible showers, pack waterproofs
#2 January
Expect: possible showers, pack waterproofs
#3 November
Expect: possible showers, pack waterproofs
UV & Sun Protection Calendar
High UV Alert:
March, April, May, June, July, August, September require serious sun protection.
Jan
4
MODERATE
Feb
5
MODERATE
Mar
7
HIGH
Apr
8
HIGH
May
8
VERY-HIGH
Jun
9
VERY-HIGH
Jul
9
VERY-HIGH
Aug
8
VERY-HIGH
Sep
7
HIGH
Oct
6
MODERATE
Nov
4
MODERATE
Dec
3
MODERATE
Extreme (11+)
Avoid sun during midday, use SPF 50+
Very High (8-10)
Essential sun protection required
High (6-7)
Use SPF 30+, wear hat & sunglasses
Moderate (3-5)
Sun protection recommended
Low-Moderate (1-2)
Minimal protection needed
Low (0)
No protection required
Daylight Hours
Daylight varies from 9.6 hours in December (winter) to 14.8 hours in June (summer), which is a difference of 5.2 hours.
Shortest Days
December
9.6h
Average Sunrise:07:33
Average Sunset:17:07
Plan daytime activities for midday when light is best. Early sunsets mean evening plans should account for darkness.
Longest Days
June
14.8h
Average Sunrise:05:02
Average Sunset:19:47
Extended daylight perfect for evening activities and late dining. You can fit more sightseeing into each day.
Wind & Humidity Overview
Wind Conditions
Average wind speed
Windiest months:
February (10 km/h)
August (10 km/h)
January (10 km/h)
Packing tip: Conditions are generally calm, but a light layer is always handy.
Humidity Levels
Average humidity
65%
Most humid:
December (79%)
Least humid:
July (47%)
Packing tip: Light, moisture-wicking fabrics work well for active days.
Seasonal Overview
Northern Hemisphere seasons shape the weather patterns throughout the year. Here's what to expect in each season:
Winter
January, February, December
Avg High 13°C
Avg Low 6°C
Avg Rain 60 mm
Cool weather; bring layers and a jacket
Spring
March, April, May
Avg High 20°C
Avg Low 11°C
Avg Rain 34 mm
Pleasant warming; ideal for outdoor activities
Summer
June, July, August
Avg High 32°C
Avg Low 22°C
Avg Rain 10 mm
Hot and sunny; sun protection essential
Autumn
September, October, November
Avg High 23°C
Avg Low 15°C
Avg Rain 33 mm
Mild conditions; transitional weather
Monthly Details
Click any month for detailed weather information and packing advice.
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View Best Time to VisitFrequently Asked Questions
When is Athens warmest?
July is typically the warmest month in Athens, with average high temperatures reaching around 33°C (91°F). This is peak summer weather, ideal for outdoor activities and sightseeing.
When is Athens coldest?
January is usually the coldest month, with average low temperatures dropping to around 6°C (43°F). Pack warm layers if visiting during this time, especially for evening activities.
When does Athens get the most rain?
December typically sees the most rainfall in Athens, averaging around 70mm (2.8 inches). It's wise to pack waterproof layers and have some indoor backup plans if you're visiting during this month.
What is the driest month in Athens?
August is typically the driest month, with average rainfall of just 7mm (0.3 inches). This makes it an excellent time for outdoor exploration and activities with minimal risk of rain disruption.
How much does the temperature vary in Athens throughout the year?
Temperatures in Athens range from average lows of 14°C (57°F) to highs of 22°C (72°F). This variation means you'll want to pack differently depending on when you visit—layers are key for adapting to the seasonal changes.
Do I need sun protection when visiting Athens?
Yes, sun protection is important in Athens. UV levels can reach 9 during peak months, which is considered very high. Pack sunscreen (SPF 30+), sunglasses, and a hat, especially if you'll be outdoors for extended periods.