Olympia weather by month & best time to visit

Your holiday weather, at a glance

80

Holiday weather in October

Excellent

Best time to visit: April – June, September – October

Good forSightseeing & walks

Air temperature22°CNight 16°All months

Sea temperature–no sea nearby

Sunshine6hrs / dayof 11.3 h daylightAll months Rainy days9days / month84 mmAll months

A typical day in October

Morning, 08:00: about 16°
Midday, 13:00: about 22°
Afternoon, 16:00: about 22°
Evening, 20:00: about 20°
Night, 23:00: about 18°

07:4018:58

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 07:24–08:16 · evening 18:22–19:14
Blue hour: Morning 07:14–07:24 · evening 19:14–19:24

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.

What is the weather like in Olympia in October?

In October, Olympia is warm: daytime highs average 22 °C, and nights cool down to about 16 °C. Expect around 6 hours of sunshine a day. Rain falls on about 9 days, adding up to 84 mm. All in all, October is an excellent month for a holiday in Olympia.

More details for October

Daylight: 11 h 17 min07:40 – 18:58
UV index: 5 · moderateclear sky, noon (estimate)All months
Muggy days: 3 daysdew point 18 °C or moreAll months
Wind: 13 km/haverage daily peakAll months
Cloud cover: 45 %on averageAll months
Hot days: 0 days30 °C or moreAll months
Time zone: UTC+3Europe/Athens

How the score comes together

Temperatureweight 50 %100 %
Sunshineweight 20 %50 %
Few rainy daysweight 30 %67 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Nature escape”.

What to pack in October

Sunscreen
A jumper for the evenings
Rain jacket or umbrella

Sunshine

Sunshine hours in Olympia

Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.

OctoberSunshine 6.0 hDaylight 11.3 hShare of daylight 53 %

SunshineDaylight

In October, the sun shines for about 6.0 of 11.3 hours of daylight in Olympia, 53 % of the day.

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.

Sun protection

UV index in Olympia

How strong the sun is at noon, month by month, and how quickly unprotected skin burns.

Clear-sky UV in October: 5 · 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 35 min
Light brown skin: about 50 min
Olive skin: about 65 min

Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, 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.

Rain

Rain in Olympia: 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.

OctoberRainy days 9Rainfall 84 mm

In October, Olympia has about 9 rainy days with 84 mm of rain in total.

Wind & clouds

Wind and clouds in Olympia

How breezy and how cloudy Olympia 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.

OctoberWind 13 km/hBeaufort 3

In October, the wind in Olympia typically peaks at 13 km/h during the day: Beaufort 3, light breeze.

Clouds

Average share of the sky covered by cloud, day and night.

OctoberCloud cover 45 %Sunshine 6.0 h

In October, cloud covers on average 45 % of the sky over Olympia: variable cloud, with about 6.0 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 & humidity

Heat and humidity in Olympia

How often the day gets hot in Olympia (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

OctoberHot days (30 °C+) 0Day high 22 °C

In October, Olympia has about 0 hot days, with an average daytime high of 22 °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

Climate through the year

Long-term monthly averages. Tap a month to see its details.

Best time to visit

Nights and sleep in Olympia

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°
muggy month (10+ muggy days)

PleasantOctober: nights around 16°. Ideal for sleeping, often with the window open. Muggy on about 3 days (dew point 18 °C or more).

The coolest nights are in January (7°), the warmest in August (22°). Tropical nights of 20 °C and more are the rule from July to August; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) from May to June and from September to October. Nights fall below 8 °C on average from January to February, so the room should be heated. It is muggy (dew point 18 °C or more) on about 70 days a year, mostly from June to September.

Temperatures through the year

Average daytime high, night-time low and sea temperature per month.

OctoberDay 22°Night 16°

DayNight

Month	Score	Day	Night	Sun	Rain days	Rain mm
JanuaryJan	44	13°	7°	4.5 h	12	112
FebruaryFeb	50	13°	7°	5.0 h	12	94
MarchMar	67	16°	8°	6.3 h	12	86
AprilApr	86	19°	11°	7.7 h	9	60
MayMay	91	23°	15°	8.6 h	8	46
JuneJun	91	28°	19°	10.9 h	5	28
JulyJul	70	31°	22°	11.5 h	2	9
AugustAug	69	31°	22°	10.4 h	4	14
SeptemberSep	88	27°	19°	7.9 h	8	57
OctoberOct	80	22°	16°	6.0 h	9	84
NovemberNov	69	18°	12°	4.3 h	11	126
DecemberDec	49	14°	9°	3.8 h	13	117

Climate averages 1996–2025, 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

37.65° N, 21.63° E · 46 m · Europe/Athens

Best time to visit

Best time to visit Olympia

The best time to visit Olympia is from April to June and from September to October. For sightseeing, day trips and hiking, conditions are most comfortable from March to June and from September to November. Rain is most frequent from December to January; the wettest month is November with 126 mm.

Olympia through the seasons

How the weather changes over the seasons, with averages for each.

Olympia in spring

Mar – May

81

Excellent

16–23 °C by day
8 h of sun a day
28 rainy days in all

Olympia in summer

Jun – Aug

77

Good

28–31 °C by day
11 h of sun a day
10 rainy days in all

Olympia in autumn

Sep – Nov

79

Good

18–27 °C by day
6 h of sun a day
28 rainy days in all

Olympia in winter

Dec – Feb

48

Fair

13–14 °C by day
4 h of sun a day
37 rainy days in all

Find your perfect month

Tell us what you like and we rate every month in Olympia for you.

Preferred daytime temperature 22 °C

Sunshine

Little rain

Avoid muggy heat

Your best months: May, October

Based on the climate averages; tap a month to see its details.

Compare two months in Olympia

Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.

vs.

May has the better holiday weather in Olympia: score 91 against 80. In May, days are 1 °C warmer than in October. May has one rainy day fewer. The sun shines 3 hours longer a day in May.

October vs. May, Olympia
Month	October	May
Weather score	80	91better
Day high	22°	23°
Night low	16°	15°
Sunshine	6.0 h	8.6 hbetter
Rainy days	9	8better
Rainfall	84 mm	46 mmbetter
Muggy days	3	0better

Based on the climate averages 1996–2025.

Which month for what?

Beach & swimming

No sea nearby

Sea from 21 °C, warm and mostly dry

Sightseeing & hiking

Mar – Jun, Sep – Nov

15–28 °C and not too much rain

Rainy months

Dec – Jan

12 or more rainy days

Olympia month by month

The typical weather for every month at a glance.

44January13° · 5 h

In January, Olympia is cool: daytime highs average 13 °C, and nights cool down to about 7 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 112 mm in total. All in all, January is a so-so month for a holiday in Olympia.

Olympia in January

50February13° · 5 h

In February, Olympia is cool: daytime highs average 13 °C, and nights cool down to about 7 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 94 mm in total. All in all, February is a so-so month for a holiday in Olympia.

Olympia in February

67March16° · 6 h

In March, Olympia is cool: daytime highs average 16 °C, and nights cool down to about 8 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 86 mm in total. All in all, March is a good month for a holiday in Olympia.

Olympia in March

86April19° · 8 h

In April, Olympia is mild: daytime highs average 19 °C, and nights cool down to about 11 °C. The sun shines for around 8 hours a day. Rain falls on about 9 days, adding up to 60 mm. All in all, April is an excellent month for a holiday in Olympia.

Olympia in April

91May23° · 9 h

In May, Olympia is warm: daytime highs average 23 °C, and nights cool down to about 15 °C. The sun shines for around 9 hours a day. Rain falls on about 8 days, adding up to 46 mm. All in all, May is an excellent month for a holiday in Olympia.

Olympia in May

91June28° · 11 h

In June, Olympia is hot: daytime highs average 28 °C, and nights cool down to about 19 °C. With around 11 hours of sunshine a day, there is plenty of sun. Rain is rare: about 5 days bring 28 mm in total. On about 9 days the thermometer climbs to 30 °C or more. All in all, June is an excellent month for a holiday in Olympia.

Olympia in June

70July31° · 12 h

In July, Olympia is hot: daytime highs average 31 °C, and even at night it stays warm at around 22 °C. With around 12 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 20 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is a good month for a holiday in Olympia.

Olympia in July

69August31° · 10 h

In August, Olympia is hot: daytime highs average 31 °C, and even at night it stays warm at around 22 °C. With around 10 hours of sunshine a day, there is plenty of sun. Rain is rare: about 4 days bring 14 mm in total. On about 22 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a good month for a holiday in Olympia.

Olympia in August

88September27° · 8 h

In September, Olympia is warm: daytime highs average 27 °C, and nights cool down to about 19 °C. The sun shines for around 8 hours a day. Rain falls on about 8 days, adding up to 57 mm. On about 5 days the thermometer climbs to 30 °C or more. All in all, September is an excellent month for a holiday in Olympia.

Olympia in September

80October22° · 6 h

In October, Olympia is warm: daytime highs average 22 °C, and nights cool down to about 16 °C. Expect around 6 hours of sunshine a day. Rain falls on about 9 days, adding up to 84 mm. All in all, October is an excellent month for a holiday in Olympia.

Olympia in October

69November18° · 4 h

In November, Olympia is mild: daytime highs average 18 °C, and nights cool down to about 12 °C. Expect around 4 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 126 mm in total. All in all, November is a good month for a holiday in Olympia.

Olympia in November

49December14° · 4 h

In December, Olympia is cool: daytime highs average 14 °C, and nights cool down to about 9 °C. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 13 rainy days and 117 mm in total. All in all, December is a so-so month for a holiday in Olympia.

Olympia in December

Compare

Olympia compared

Put Olympia side by side with another destination.

Nearby:

Compare with home:

Olympia vs. Zakynthos Town (Zante)

In October the holiday weather in Olympia and Zakynthos Town (Zante) is about equally good (score 80 vs. 81). During the day Zakynthos Town (Zante) is 1 °C warmer than Olympia.

Olympia vs. Zakynthos Town (Zante), in October
in October	Olympia	Zakynthos Town (Zante)
Holiday score	80	81
Daytime high	22°	23°
Sea	–	23°
Sunshine	6 h	6 h
Rainy days	9	8
Best time	Apr – Jun, Sep – Oct	Jun – Sep

Through the year

OctoberOlympia 22°Zakynthos Town (Zante) 23°

OlympiaZakynthos Town (Zante)

Go to Zakynthos Town (Zante)

Ranking

Greece in October: the best places

In October, Olympia ranks 8 among the 31 nearest destinations in this country.

Piraeus23°23°91
2Athens23°23°91
3Mycenae23°90
4Sparta24°88
5Thebes22°84
6Larissa21°84
7Mystras21°83
8OlympiaThis page22°80

All destinations: Greece

Planning a trip to Olympia

Weather for your travel dates

Pick your arrival and length of stay, and we sum up the weather to expect.

ArrivalNights

Olympia 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.

Olympia has its best school-holiday weather during May half-term (score 91) and its weakest during the Christmas holidays (score 47).

Easter holidays
Mar – Apr
80
Excellent
- 18 °C by day
- 7.3 h of sun a day
- 9 rainy days a month
Good for: Sightseeing & walks
May half-term
May – Jun
91
ExcellentBest holidays
- 24 °C by day
- 9.1 h of sun a day
- 7 rainy days a month
Good for: Sightseeing & walks
Summer holidays
Jul – Aug
69
Good
- 31 °C by day
- 10.8 h of sun a day
- 3 rainy days a month
October half-term
Oct
80
Excellent
- 22 °C by day
- 6.0 h of sun a day
- 9 rainy days a month
Good for: Sightseeing & walks
Christmas holidays
Dec – Jan
47
Fair
- 14 °C by day
- 4.2 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain

Based on the climate averages 1996–2025.

Getting there

Flying from

Nonstop flight: about 3 h 15 min
Distance: 2,310 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.

Frequently asked questions about Olympia

When is the best time to visit Olympia?

The best time to visit Olympia is from April to June and from September to October. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.

What is the warmest month in Olympia?

August is the warmest month, with average highs of 31 °C and nights around 22 °C. January is the coolest month at 13 °C.

When does it rain most in Olympia?

Rain is most frequent from December to January; the wettest month is November with 126 mm. The driest month is July with 9 mm.

How many hours of sunshine does Olympia get?

Olympia gets around 2,650 hours of sunshine a year. The sunniest month is July with 11.5 hours a day; in December there are 3.8 hours a day.

What time zone is Olympia in?

Olympia uses the time zone Europe/Athens: UTC+2 in January and UTC+3 in July.

How long is the flight from London to Olympia?

A nonstop flight from London to Olympia takes about 3 h 15 min, for a straight-line distance of about 2,310 km.

Which school holidays are best for Olympia?

Olympia has its best school-holiday weather during May half-term (score 91) and its weakest during the Christmas holidays (score 47). Holiday ratings (0–100): Easter holidays 80, May half-term 91, Summer holidays 69, October half-term 80, Christmas holidays 47.

Near Olympia

Other destinations close by.

Places with a climate like Olympia

Destinations whose weather through the year is closest to Olympia's – good alternatives.

Olympia

Olympia at a glance

Climate in Olympia

Weather in October