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Greece

Grevena weather & best time to visit

Nature escape

Grevena at a glance

Best time
Apr – May, Sep – Oct
Warmest month
Jul · 33°
Sunshine a year
2,630 h
Rain a year
682 mm
Climate
Temperate
Time zone
UTC+2 / UTC+3
Elevation
534 m

Climate in Grevena

Grevena has a temperate climate with warm summers and cool winters. July is the warmest month with average highs of 33 °C, while January is the coolest at 8 °C. With around 2,630 hours of sunshine a year, Grevena is sunny; July is the sunniest month with 11.1 hours a day.

Holiday weather through the year

Best time to visit

Best time to visit Grevena

The best time to visit Grevena is from April to May and from September to October. For sightseeing, day trips and hiking, conditions are most comfortable from April to May and from September to October. The wettest month is December with 96 mm of precipitation.

Grevena through the seasons

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

Grevena in spring

Mar – May

78

Good

  • 14–24 °C by day
  • 7.4 h of sun a day
  • 28 rainy days in all

Grevena in summer

Jun – Aug

66

Good

  • 30–33 °C by day
  • 10.9 h of sun a day
  • 13 rainy days in all

Grevena in autumn

Sep – Nov

80

Excellent

  • 15–27 °C by day
  • 6.4 h of sun a day
  • 22 rainy days in all

Grevena in winter

Dec – Feb

26

Poor

  • 8–10 °C by day
  • 4.0 h of sun a day
  • 32 rainy days in all

Which month for what?

Beach & swimming

No sea nearby

Sea from 21 °C, warm and mostly dry

Sightseeing & hiking

Apr – May, Sep – Oct

15–28 °C and not too much rain

Snow

Dec – Feb

Snow on 2 or more days

Find your perfect month

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

Sunshine
Little rain

Your best months: May, October

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

Your holiday weather, at a glance

Weather in October

Weather in October

85

Holiday weather in October

Excellent

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

Good forSightseeing & walks

A typical day in October

  1. Morning, 08:00: about 10°
  2. Midday, 13:00: about 19°
  3. Afternoon, 16:00: about 20°
  4. Evening, 20:00: about 16°
  5. Night, 23:00: about 13°

07:4318:56

Cool evenings: pack a jumper or a jacket.

Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.

Light for photos in October

Golden hour
Morning 07:27–08:20 · evening 18:20–19:13
Blue hour
Morning 07:16–07:27 · evening 19:13–19:24

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.

October in Grevena compared with home

Home:

Loading the climate at home …

Early or late October?

In October, daytime highs fall from about 23° at the start of the month to 17° at the end. The days get 1.2 h shorter.

Early or late October?
October1 Oct31 Oct
Daytime high23°17°
Night-time low11°7°
Daylight11.8 h10.6 h

What is the weather like in Grevena in October?

In October, Grevena is mild: daytime highs average 20 °C, and nights cool down to about 9 °C. The sun shines for around 6.5 hours a day. Rain falls on about 7 days, adding up to 62 mm. All in all, October is an excellent month for a holiday in Grevena.

More details for October

Daylight
11 h 13 min07:43 – 18:56
UV index
4 · moderateclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
9 km/haverage daily peakAll months
Cloud cover
47 %on averageAll months
Hot days
0 days30 °C or moreAll months
Snow days
0 days1 cm or more of fresh snowAll months
Time zone
UTC+3offset from UTC

How the score comes together

  • Temperatureweight 50 %100 %
  • Sunshineweight 20 %58 %
  • Few rainy daysweight 30 %78 %

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

Compare two months in Grevena

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

vs

September has the better holiday weather in Grevena: score 94 against 85. In September, days are 7 °C warmer than in October. September has one rainy day fewer. The sun shines 2 hours longer a day in September.

October vs September, Grevena
MonthOctoberSeptember
Holiday weather score8594better
Daytime high20°27°
Night-time low9°14°
Sunshine6.5 h8.4 hbetter
Rainy days76better
Rainfall62 mm53 mm

Based on the climate averages 1996–2025.

Grevena month by month

The typical weather for every month at a glance.

22January8° · 3.9 h

In January, Grevena is cold: daytime highs average 8 °C, and nights often drop below freezing (−1 °C). The sun is scarce, with only about 3.9 hours a day. Rain is frequent, with about 10 rainy days and 76 mm in total. Snow falls on about 3 days. All in all, January is not an ideal month for a holiday in Grevena.

Grevena in January
35February10° · 4.9 h

In February, Grevena is cool: daytime highs average 10 °C, and nights cool down to about 0 °C. Expect around 4.9 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 72 mm in total. Snow falls on about 2 days. All in all, February is not an ideal month for a holiday in Grevena.

Grevena in February
60March14° · 6.2 h

In March, Grevena is cool: daytime highs average 14 °C, and nights cool down to about 3 °C. Expect around 6.2 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 73 mm in total. Snow falls on about 2 days. All in all, March is a good month for a holiday in Grevena.

Grevena in March
85April19° · 7.4 h

In April, Grevena is mild: daytime highs average 19 °C, and nights cool down to about 6 °C. The sun shines for around 7.4 hours a day. Rain falls on about 9 days, adding up to 54 mm. All in all, April is an excellent month for a holiday in Grevena.

Grevena in April
90May24° · 8.7 h

In May, Grevena is warm: daytime highs average 24 °C, and nights cool down to about 11 °C. The sun shines for around 8.7 hours a day. Rain falls on about 8 days, adding up to 49 mm. All in all, May is an excellent month for a holiday in Grevena.

Grevena in May
78June30° · 10.4 h

In June, Grevena is hot: daytime highs average 30 °C, and nights cool down to about 15 °C. With around 10.4 hours of sunshine a day, there is plenty of sun. Rain falls on about 6 days, adding up to 28 mm. On about 14 days the thermometer climbs to 30 °C or more. All in all, June is a good month for a holiday in Grevena.

Grevena in June
58July33° · 11.1 h

In July, Grevena is hot: daytime highs average 33 °C, and nights cool down to about 18 °C. With around 11.1 hours of sunshine a day, there is plenty of sun. Rain is rare: about 3 days bring 19 mm in total. On about 25 days the thermometer climbs to 30 °C or more. All in all, July is a so-so month for a holiday in Grevena.

Grevena in July
61August32° · 11.1 h

In August, Grevena is hot: daytime highs average 32 °C, and nights cool down to about 18 °C. With around 11.1 hours of sunshine a day, there is plenty of sun. Rain is rare: about 4 days bring 18 mm in total. On about 25 days the thermometer climbs to 30 °C or more. All in all, August is a good month for a holiday in Grevena.

Grevena in August
94September27° · 8.4 h

In September, Grevena is warm: daytime highs average 27 °C, and nights cool down to about 14 °C. The sun shines for around 8.4 hours a day. Rain falls on about 6 days, adding up to 53 mm. On about 8 days the thermometer climbs to 30 °C or more. All in all, September is an excellent month for a holiday in Grevena.

Grevena in September
85October20° · 6.5 h

In October, Grevena is mild: daytime highs average 20 °C, and nights cool down to about 9 °C. The sun shines for around 6.5 hours a day. Rain falls on about 7 days, adding up to 62 mm. All in all, October is an excellent month for a holiday in Grevena.

Grevena in October
60November15° · 4.4 h

In November, Grevena is cool: daytime highs average 15 °C, and nights cool down to about 5 °C. Expect around 4.4 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 82 mm in total. All in all, November is a good month for a holiday in Grevena.

Grevena in November
22December9° · 3.3 h

In December, Grevena is cold: daytime highs average 9 °C, and nights cool down to about 1 °C. The sun is scarce, with only about 3.3 hours a day. Rain is frequent, with about 11 rainy days and 96 mm in total. Snow falls on about 2 days. All in all, December is not an ideal month for a holiday in Grevena.

Grevena in December

Climate in detail

Year & climate table

Climate through the year

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

Best time to visit

Nights and sleep in Grevena

How warm the nights get in each month, from the mean night-time low. Tap a month for details.

  • Frost below 0°
  • Cold 0–8°
  • Cool 8–15°
  • Pleasant 15–20°

CoolOctober: nights around 9°. A duvet at night and a jumper for the evening.

The coolest nights are in January (−1°), the warmest in July (18°). Nights are pleasant for sleeping (15 to 20 °C) from June to August. Nights fall below 8 °C on average from November to April, so the room should be heated.

Temperatures through the year

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

OctoberDay 20°Night 9°
DayNight
MonthScoreDayNightSunRain daysRain mm
JanuaryJan228°−1°3.9 h1076
FebruaryFeb3510°0°4.9 h1072
MarchMar6014°3°6.2 h1173
AprilApr8519°6°7.4 h954
MayMay9024°11°8.7 h849
JuneJun7830°15°10.4 h628
JulyJul5833°18°11.1 h319
AugustAug6132°18°11.1 h418
SeptemberSep9427°14°8.4 h653
OctoberOct8520°9°6.5 h762
NovemberNov6015°5°4.4 h982
DecemberDec229°1°3.3 h1196

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

40.08° N, 21.43° E · 534 m · Europe/Athens

Sunshine
Sunshine

Sunshine hours in Grevena

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

Per year
2,630 hours
Sunniest month
Jul · 11.1 h a day
Least sunshine
Dec · 3.3 h a day
OctoberSunshine 6.5 hDaylight 11.2 hShare of daylight 58 %
SunshineDaylight

In October, the sun shines for about 6.5 of 11.2 hours of daylight in Grevena, 58 % 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
Rain

Rain in Grevena: 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.

Per year
682 mm on 94 days
Wettest month
Dec · 96 mm
Driest month
Aug · 18 mm
OctoberRainy days 7Rainfall 62 mm

In October, Grevena has about 7 rainy days with 62 mm of rain in total.

UV index
Sun protection

UV index in Grevena

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 & clouds
Wind & clouds

Wind and clouds in Grevena

How breezy and how cloudy Grevena 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.

Year average
10 km/h · light breeze or less
Windiest month
Apr · 11 km/h
Calmest month
Nov · 8 km/h
OctoberWind 9 km/hBeaufort 2

In October, the wind in Grevena typically peaks at 9 km/h during the day: Beaufort 2, light breeze or less.

Clouds

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

Year average
44 % · mostly sunny
Clearest month
Jul · 17 %
Cloudiest month
Dec · 60 %
OctoberCloud cover 47 %Sunshine 6.5 h

In October, cloud covers on average 47 % of the sky over Grevena: variable cloud, with about 6.5 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 & humidity

Heat and humidity in Grevena

How often the day gets hot in Grevena (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.

Hot days a year
73 days
Hottest month
Jul · 33 °C
Hot months
Jul – Aug

Heat calendar

  • pleasant
  • some hot or muggy days
  • often muggy
  • often hot
  • hot and muggy
OctoberHot days (30 °C+) 0Daytime high 20 °C

In October, Grevena has about 0 hot days, with an average daytime high of 20 °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

Snow
Snow

Snow in Grevena

Snow is possible in Grevena, but no month makes it likely: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.

Snow days a year
9 days
Fresh snow a year
45 cm
Snow possible
Dec – Mar

Snow calendar

  • hardly any
  • possible
  • likely
  • very likely
OctoberDays with fresh snow 0Fresh snow 0 cmChance of snow 1 / 100

In October, it hardly ever snows in Grevena.

Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.

Planning a trip to Grevena

Weather for your travel dates

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

Grevena 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.

Grevena has its best school-holiday weather during May half-term (score 88) and its weakest during the Christmas holidays (score 22).

  • Easter holidays

    Mar – Apr

    78

    Good

    • 17 °C by day
    • 7.0 h of sun a day
    • 9 rainy days a month
  • May half-term

    May – Jun

    88

    ExcellentBest holidays

    • 25 °C by day
    • 9.0 h of sun a day
    • 8 rainy days a month

    Good for: Sightseeing & walks

  • Summer holidays

    Jul – Aug

    60

    Good

    • 33 °C by day
    • 11.1 h of sun a day
    • 4 rainy days a month
  • October half-term

    Oct

    85

    Excellent

    • 20 °C by day
    • 6.5 h of sun a day
    • 7 rainy days a month

    Good for: Sightseeing & walks

  • Christmas holidays

    Dec – Jan

    22

    Poor

    • 9 °C by day
    • 3.6 h of sun a day
    • 11 rainy days a month

    Keep in mind: Snow

Based on the climate averages 1996–2025.

Getting there

Flying from

Nonstop flight
about 3 h
Distance
2,100 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.

Good to know: Greece

Currency
Euro (EUR)
Language
Greek
Sockets
Type C, F · 230 V
Traffic
Drives on the right
Dialling code
+30
Emergency number
112

UK plugs need a travel adapter

Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.

Compare & alternatives

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Grevena compared

Put Grevena side by side with another destination.

Nearby:
Compare with home:

Grevena vs Kozani

In October the holiday weather in Grevena and Kozani is about equally good (score 85 vs 84). During the day Kozani is 1 °C cooler than Grevena. Kozani gets one hour less sunshine a day.

Grevena vs Kozani, in October
in OctoberGrevenaKozani
Holiday weather score8584
Daytime high20°19°
Sunshine7 h6 h
Rainy days77
Best timeApr – May, Sep – OctApr – Jun, Sep – Oct

Through the year

OctoberGrevena 20°Kozani 19°
GrevenaKozani
Go to Kozani
Best places in the country
Ranking

Greece in October: the best places

In October, Grevena ranks 5 among the 31 nearest destinations in this country.

  1. Larissa22°89
  2. 2Giannitsa22°87
  3. 3Pella22°87
  4. 4Kalabaka22°86
  5. 5GrevenaThis page20°85
  6. 6Kozani19°85
  7. 7Kastoria20°85
  8. 8Veria22°85
All destinations: Greece
Places nearby

Near Grevena

Other destinations close by.

Places with a similar climate

Places with a climate like Grevena

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

  1. 91 % similar85StrumicaNorth Macedonia21°Best time: Apr – May, Sep – Oct
  2. 86 % similar85SandanskiBulgaria21°Best time: Mar – May, Sep – Oct
  3. 86 % similar83KumanovoNorth Macedonia21°Best time: Apr – May, Sep – Oct
  4. 86 % similar84KomotiniGreece21°Best time: Apr – Jun, Sep – Oct

Frequently asked questions about Grevena

When is the best time to visit Grevena?

The best time to visit Grevena is from April to May 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 Grevena?

July is the warmest month, with average highs of 33 °C and nights around 18 °C. January is the coolest month at 8 °C.

When does it rain most in Grevena?

The wettest month is December with 96 mm of precipitation. The driest month is August with 18 mm.

How many hours of sunshine does Grevena get?

Grevena gets around 2,630 hours of sunshine a year. The sunniest month is July with 11.1 hours a day; in December there are 3.3 hours a day.

What time zone is Grevena in?

Grevena is on UTC+2 in January and UTC+3 in July.

How long is the flight from London to Grevena?

A nonstop flight from London to Grevena takes about 3 h, for a straight-line distance of about 2,100 km.

Which school holidays are best for Grevena?

Grevena has its best school-holiday weather during May half-term (score 88) and its weakest during the Christmas holidays (score 22). Holiday ratings (0–100): Easter holidays 78, May half-term 88, summer holidays 60, October half-term 85, Christmas holidays 22.