AI-generatedEretria at a glance
- Best time
- Jun – Sep
- Warmest month
- Jul · 34°
- Warmest sea
- Aug · 25.6°
- Sunshine a year
- 2,540 h
- Rain a year
- 496 mm
- Climate
- Mediterranean
- Time zone
- UTC+2 / UTC+3
- Elevation
- 15 m
Climate in Eretria
Eretria has a Mediterranean climate with warm to hot, dry summers and mild, wetter winters. July is the warmest month with average highs of 34 °C, while January is the coolest at 13 °C. With around 2,540 hours of sunshine a year, Eretria is sunny; July is the sunniest month with 11.6 hours a day.
Holiday weather through the year
Best time to visit Eretria
The best time to visit Eretria is from June to September. For a beach holiday – sea from 21 °C, warm and mostly dry – go from June to October. For sightseeing, day trips and hiking, conditions are most comfortable from March to May and from October to November. From July to August it can get very hot, with highs of up to 34 °C. The wettest month is December with 79 mm of precipitation.
Eretria through the seasons
How the weather changes over the seasons, with averages for each.
Eretria in spring
Mar – May
Fair
- 18–28 °C by day
- Sea 16 °C
- 7.4 h of sun a day
- 20 rainy days in all
Eretria in summer
Jun – Aug
Excellent
- 32–34 °C by day
- Sea 24 °C
- 11.0 h of sun a day
- 7 rainy days in all
Eretria in autumn
Sep – Nov
Good
- 19–30 °C by day
- Sea 21 °C
- 6.1 h of sun a day
- 17 rainy days in all
Eretria in winter
Dec – Feb
Poor
- 13–15 °C by day
- Sea 15 °C
- 3.4 h of sun a day
- 29 rainy days in all
Which month for what?
Beach & swimming
Jun – Oct
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Mar – May, Oct – Nov
15–28 °C and not too much rain
Peak heat
Jul – Aug
Highs of 33 °C or more
Find your perfect month
Tell us what you like and we rate every month in Eretria for you.
Your best months: September
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Good
Best time to visit: June – September
Where to go in OctoberSea temperature in October
Good forBeach & swimmingSightseeing & walks
A typical day in October
- Morning, 08:00: about 15°
- Midday, 13:00: about 23°
- Afternoon, 16:00: about 24°
- Evening, 20:00: about 20°
- Night, 23:00: about 17°
07:3218:48
Pleasant evenings; a light layer can help.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:16–08:08 · evening 18:13–19:05
- Blue hour
- Morning 07:06–07:16 · evening 19:05–19:15
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
October in Eretria compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 27° at the start of the month to 22° at the end. The sea cools from 23° to 20°. The days get 1.2 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 27° | 22° |
| Night-time low | 16° | 12° |
| Sea | 23° | 20° |
| Daylight | 11.8 h | 10.7 h |
What is the weather like in Eretria in October?
In October, Eretria is warm: daytime highs average 24 °C, and nights cool down to about 14 °C. The sea averages 21.3 °C – refreshing for a swim. Expect around 6.1 hours of sunshine a day. Rain falls on about 5 days, adding up to 37 mm. All in all, October is a good month for a holiday in Eretria.
More details for October
- Daylight
- 11 h 16 min07:32 – 18:48
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 1 daydew point 18 °C or moreAll months
- Wind
- 16 km/haverage daily peakAll months
- Cloud cover
- 43 %on averageAll months
- Hot days
- 2 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+3offset from UTC
How the score comes together
- Temperatureweight 35 %85 %
- Seaweight 25 %61 %
- Sunshineweight 20 %52 %
- Few rainy daysweight 20 %91 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Swimwear
- Sunscreen
- A jumper for the evenings
Compare two months in Eretria
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
September has the better holiday weather in Eretria: score 97 against 74. In September, days are 6 °C warmer than in October. The sea is 3 °C warmer in September. The sun shines 2 hours longer a day in September.
| Month | October | September |
|---|---|---|
| Holiday weather score | 74 | 97better |
| Daytime high | 24° | 30° |
| Night-time low | 14° | 18° |
| Sea | 21.3° | 24.1° |
| Sunshine | 6.1 h | 8.2 hbetter |
| Rainy days | 5 | 5 |
| Rainfall | 37 mm | 29 mm |
| Muggy days | 1better | 6 |
Based on the climate averages 1996–2025.
Eretria month by month
The typical weather for every month at a glance.
12January13° · Sea 15° · 3.1 h
In January, Eretria is cool: daytime highs average 13 °C, and nights cool down to about 5 °C. The sea averages 14.9 °C – swimming is only for the hardy. The sun is scarce, with only about 3.1 hours a day. Rain is frequent, with about 10 rainy days and 68 mm in total. All in all, January is not an ideal month for a holiday in Eretria.
Eretria in January17February15° · Sea 15° · 4.2 h
In February, Eretria is cool: daytime highs average 15 °C, and nights cool down to about 5 °C. The sea averages 14.6 °C – swimming is only for the hardy. Expect around 4.2 hours of sunshine a day. Rain falls on about 9 days, adding up to 64 mm. All in all, February is not an ideal month for a holiday in Eretria.
Eretria in February23March18° · Sea 15° · 5.7 h
In March, Eretria is mild: daytime highs average 18 °C, and nights cool down to about 7 °C. The sea averages 14.6 °C – swimming is only for the hardy. Expect around 5.7 hours of sunshine a day. Rain falls on about 8 days, adding up to 65 mm. All in all, March is not an ideal month for a holiday in Eretria.
Eretria in March52April22° · Sea 15° · 7.6 h
In April, Eretria is warm: daytime highs average 22 °C, and nights cool down to about 10 °C. The sea averages 15.3 °C – swimming is only for the hardy. The sun shines for around 7.6 hours a day. Rain falls on about 6 days, adding up to 37 mm. All in all, April is a so-so month for a holiday in Eretria.
Eretria in April77May28° · Sea 18° · 8.9 h
In May, Eretria is hot: daytime highs average 28 °C, and nights cool down to about 15 °C. The sea averages 18.1 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8.9 hours a day. Rain falls on about 5 days, adding up to 28 mm. On about 9 days the thermometer climbs to 30 °C or more. All in all, May is a good month for a holiday in Eretria.
Eretria in May89June32° · Sea 22° · 10.8 h
In June, Eretria is hot: daytime highs average 32 °C, and even at night it stays warm at around 20 °C. The sea averages 22.3 °C – refreshing for a swim. With around 10.8 hours of sunshine a day, there is plenty of sun. Rain is rare: about 3 days bring 17 mm in total. On about 21 days the thermometer climbs to 30 °C or more. All in all, June is an excellent month for a holiday in Eretria.
Eretria in June84July34° · Sea 25° · 11.6 h
In July, Eretria is very hot: daytime highs average 34 °C, and even at night it stays warm at around 22 °C. The sea averages 25.0 °C – pleasant for swimming. With around 11.6 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 28 days the thermometer climbs to 30 °C or more. All in all, July is an excellent month for a holiday in Eretria.
Eretria in July88August34° · Sea 26° · 10.5 h
In August, Eretria is very hot: daytime highs average 34 °C, and even at night it stays warm at around 22 °C. The sea averages 25.6 °C – pleasant for swimming. With around 10.5 hours of sunshine a day, there is plenty of sun. Rain is rare: about 2 days bring 9 mm in total. On about 27 days the thermometer climbs to 30 °C or more. All in all, August is an excellent month for a holiday in Eretria.
Eretria in August97September30° · Sea 24° · 8.2 h
In September, Eretria is hot: daytime highs average 30 °C, and nights cool down to about 18 °C. The sea averages 24.1 °C – pleasant for swimming. The sun shines for around 8.2 hours a day. Rain is rare: about 5 days bring 29 mm in total. On about 13 days the thermometer climbs to 30 °C or more. All in all, September is an excellent month for a holiday in Eretria.
Eretria in September74October24° · Sea 21° · 6.1 h
In October, Eretria is warm: daytime highs average 24 °C, and nights cool down to about 14 °C. The sea averages 21.3 °C – refreshing for a swim. Expect around 6.1 hours of sunshine a day. Rain falls on about 5 days, adding up to 37 mm. All in all, October is a good month for a holiday in Eretria.
Eretria in October25November19° · Sea 18° · 3.9 h
In November, Eretria is mild: daytime highs average 19 °C, and nights cool down to about 10 °C. The sea averages 18.3 °C – bracing, so a wetsuit helps for longer swims. The sun is scarce, with only about 3.9 hours a day. Rain falls on about 7 days, adding up to 54 mm. All in all, November is not an ideal month for a holiday in Eretria.
Eretria in November12December15° · Sea 16° · 2.8 h
In December, Eretria is cool: daytime highs average 15 °C, and nights cool down to about 7 °C. The sea averages 16.1 °C – swimming is only for the hardy. The sun is scarce, with only about 2.8 hours a day. Rain is frequent, with about 10 rainy days and 79 mm in total. All in all, December is not an ideal month for a holiday in Eretria.
Eretria in DecemberClimate in detail
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Eretria
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
- Warm 20–24°
CoolOctober: nights around 14°. A duvet at night and a jumper for the evening. Muggy on about 1 day (dew point 18 °C or more).
The coolest nights are in January (5°), the warmest in July (22°). Tropical nights of 20 °C and more are the rule from June to August; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) in May and in September. Nights fall below 8 °C on average from December to March, so the room should be heated.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 12 | 13° | 5° | 14.9° | 3.1 h | 10 | 68 |
| FebruaryFeb | 17 | 15° | 5° | 14.6° | 4.2 h | 9 | 64 |
| MarchMar | 23 | 18° | 7° | 14.6° | 5.7 h | 8 | 65 |
| AprilApr | 52 | 22° | 10° | 15.3° | 7.6 h | 6 | 37 |
| MayMay | 77 | 28° | 15° | 18.1° | 8.9 h | 5 | 28 |
| JuneJun | 89 | 32° | 20° | 22.3° | 10.8 h | 3 | 17 |
| JulyJul | 84 | 34° | 22° | 25.0° | 11.6 h | 2 | 10 |
| AugustAug | 88 | 34° | 22° | 25.6° | 10.5 h | 2 | 9 |
| SeptemberSep | 97 | 30° | 18° | 24.1° | 8.2 h | 5 | 29 |
| OctoberOct | 74 | 24° | 14° | 21.3° | 6.1 h | 5 | 37 |
| NovemberNov | 25 | 19° | 10° | 18.3° | 3.9 h | 7 | 54 |
| DecemberDec | 12 | 15° | 7° | 16.1° | 2.8 h | 10 | 79 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
38.40° N, 23.80° E · 15 m · Europe/Athens
Sea temperature in Eretria
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 20.1 – 22.4 °C
Swimming season: Jun – Oct
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Eretria ranges from 14.6 °C in February to 25.6 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to October.
The sea warms up slowly: it is warmest in August, while the air already peaks in July. From December to January the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 24.6 and 26.6 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 14.9° | 13.8° | 16.0° | cold |
| FebruaryFeb | 14.6° | 13.8° | 15.4° | cold |
| MarchMar | 14.6° | 13.9° | 15.3° | cold |
| AprilApr | 15.3° | 14.6° | 16.2° | cold |
| MayMay | 18.1° | 17.1° | 18.9° | fresh |
| JuneJun | 22.3° | 21.5° | 23.1° | refreshing |
| JulyJul | 25.0° | 24.2° | 25.9° | pleasant |
| AugustAug | 25.6° | 24.6° | 26.6° | pleasant |
| SeptemberSep | 24.1° | 23.0° | 24.8° | pleasant |
| OctoberOct | 21.3° | 20.1° | 22.4° | refreshing |
| NovemberNov | 18.3° | 17.3° | 19.3° | fresh |
| DecemberDec | 16.1° | 15.2° | 17.2° | cold |
Sunshine hours in Eretria
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 6.1 of 11.3 hours of daylight in Eretria, 54 % of the daylight hours.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
Rain in Eretria: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Eretria has about 5 rainy days with 37 mm of rain in total.
UV index in Eretria
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 4 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 10).
Minutes until sunburn in October
- Very fair skin
- about 30 min
- Fair skin
- about 40 min
- Light brown skin
- about 55 min
- Olive skin
- about 70 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Wind and clouds in Eretria
How breezy and how cloudy Eretria is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Eretria typically peaks at 16 km/h during the day: Beaufort 3, gentle breeze.
Breezy months for windsurfing and kiting
The daily breeze rarely reaches Beaufort 4 (20 km/h), so wind sports depend on single windy days.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 43 % of the sky over Eretria: mostly sunny, with about 6.1 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Eretria
How often the day gets hot in Eretria (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Eretria has about 2 hot days, with an average daytime high of 24 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Planning a trip to Eretria
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Eretria in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Eretria has its best school-holiday weather during the summer holidays (score 87) and its weakest during the Christmas holidays (score 12).
- 43
Easter holidays
Mar – Apr
Fair
- 21 °C by day
- Sea 15 °C
- 7.0 h of sun a day
- 7 rainy days a month
Good for: Sightseeing & walks
- 79
May half-term
May – Jun
Good
- 29 °C by day
- Sea 19 °C
- 9.3 h of sun a day
- 5 rainy days a month
Good for: Sightseeing & walks
- 87
Summer holidays
Jul – Aug
ExcellentBest holidays
- 34 °C by day
- Sea 25 °C
- 10.9 h of sun a day
- 2 rainy days a month
Good for: Beach & swimming
Keep in mind: Peak heat
- 74
October half-term
Oct
Good
- 24 °C by day
- Sea 21 °C
- 6.1 h of sun a day
- 5 rainy days a month
Good for: Beach & swimming, Sightseeing & walks
- 12
Christmas holidays
Dec – Jan
Poor
- 14 °C by day
- Sea 16 °C
- 3.0 h of sun a day
- 10 rainy days a month
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 3 h 20 min
- Distance
- 2,380 km
- Time zone
- UTC+3
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Compare & alternatives
Eretria compared
Put Eretria side by side with another destination.
Eretria vs Chalkída
In October the holiday weather in Eretria and Chalkída is about equally good (score 74 vs 70). During the day it is about as warm in Chalkída as in Eretria. The sea in Chalkída is 1 °C warmer.
| in October | Eretria | Chalkída |
|---|---|---|
| Holiday weather score | 74 | 70 |
| Daytime high | 24° | 24° |
| Sea | 21° | 22° |
| Sunshine | 6 h | 6 h |
| Rainy days | 5 | 7 |
| Best time | Jun – Sep | May – Sep |
Through the year
Greece in October: the best places
In October, Eretria ranks 20 among the 31 nearest destinations in this country.
- Athens24°23°91
- 2Piraeus24°23°91
- 3Mycenae24°90
- 4Nafplio25°23°85
- 5Tolón25°23°85
- 6Thebes23°84
- 7Elefsina24°23°84
- 8Palaio Faliro24°23°84
- 20EretriaThis page24°21°74
Near Eretria
Other destinations close by.
Places with a climate like Eretria
Destinations whose weather through the year is closest to Eretria's – good alternatives.
Frequently asked questions about Eretria
When is the best time to visit Eretria?
The best time to visit Eretria is from June to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Eretria?
The sea temperature in Eretria ranges from 14.6 °C in February to 25.6 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to October.
Can you swim in Eretria in October?
Yes. In October the sea averages 21.3 °C – refreshing for a swim.
What is the warmest month in Eretria?
July is the warmest month, with average highs of 34 °C and nights around 22 °C. January is the coolest month at 13 °C.
When does it rain most in Eretria?
The wettest month is December with 79 mm of precipitation. The driest month is August with 9 mm.
How many hours of sunshine does Eretria get?
Eretria gets around 2,540 hours of sunshine a year. The sunniest month is July with 11.6 hours a day; in December there are 2.8 hours a day.
What time zone is Eretria in?
Eretria is on UTC+2 in January and UTC+3 in July.
How long is the flight from London to Eretria?
A nonstop flight from London to Eretria takes about 3 h 20 min, for a straight-line distance of about 2,380 km.
Which school holidays are best for Eretria?
Eretria has its best school-holiday weather during the summer holidays (score 87) and its weakest during the Christmas holidays (score 12). Holiday ratings (0–100): Easter holidays 43, May half-term 79, summer holidays 87, October half-term 74, Christmas holidays 12.