Oia weather in July

In July, Oia sees average daytime highs of 25°C and overnight lows near 24°C, with 0 mm of rain across 0 wet days and about 14.2 hours of daylight. It is the 2nd-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 100% of the time in July, and the air most often feels muggy.

Daylight stretches from about 14 h 30 min at the start of July to 13 h 54 min by month's end. Set against the rest of the year, July is Oia's 1st-clearest and 5th-windiest month. For the whole year in context, see Oia's year-round climate.

Daytime high
25°
2nd warmest
Overnight low
24°
11th coldest
Rainfall
0 mm
0 wet days
Daylight
14 h 18 min
5:16 AM – 7:32 PM
Cloud cover
1%
1st clearest
Wind
27 km/h
5th windiest
Solar energy
7.83 kWh/m²
Travel score
9.7
out of 10

Oia is village in Thira, Greece.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical July day in Oia reaches about 25°C in the afternoon and slips back to 24°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 26°C. Set against its neighbours, July runs about 2°C warmer than June and on par with August.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12423
22523
32523
42523
52523
62524
72524
82524
92524
102524
112524
122524
132524
142524
152524
162524
172524
182524
192524
202524
212524
222524
232524
242524
252524
262524
272524
282524
292524
302524
312524

Oia weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan14° / 13°6911.39.84.2
Feb14° / 13°589.310.64.3
Mar15° / 13°396.411.75.2
Apr17° / 15°153.112.96.6
May20° / 18°81.613.98.1
Jun23° / 22°10.314.49.5
Jul25° / 24°0014.29.7
Aug25° / 24°00.113.49.6
Sep24° / 23°51.112.29.4
Oct21° / 20°253.911.18.0
Nov18° / 17°366.210.16.7
Dec16° / 14°589.69.65.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 100% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 0% of July, with mostly cloudy or overcast conditions the remaining 0%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Chance of precipitation in July

Any precipitation

Oia gets around 0 mm of rain over 0 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 0% and peaks near 0% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

Most of July feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, July lands in the muggy band about 58% of days. Sticky, muggy-or-worse air turns up on roughly 91% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
111562220
211561230
311461240
401362250
501263250
601262260
701163260
801162270
901063270
1001063270
1101063270
120963280
130963280
140963280
150962290
160863290
170862300
180861310
190860320
200859330
210759340
220757360
230754381
240654391
250652411
260650431
270549441
280548461
290447471
300446491
310346491

Wind in July

Winds average 27 km/h in July.

Across July, daily wind ranges from about 26 km/h on the calmest days to 28 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
126breezy
226breezy
326breezy
426breezy
526breezy
626breezy
727breezy
827breezy
927breezy
1027breezy
1127breezy
1227breezy
1327breezy
1427breezy
1527breezy
1628breezy
1728breezy
1828breezy
1928breezy
2027breezy
2127breezy
2227breezy
2327breezy
2427breezy
2527breezy
2627breezy
2727breezy
2827breezy
2927breezy
3027breezy
3127breezy

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 30 min at the start of July to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over July. Sunrise moves from 5:08 AM to 5:27 AM, and sunset from 7:36 PM to 7:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.55:087:36
214.55:087:36
314.45:097:36
414.45:097:35
514.45:107:35
614.45:107:35
714.45:117:35
814.45:117:35
914.45:127:35
1014.45:127:34
1114.35:137:34
1214.35:147:34
1314.35:147:33
1414.35:157:33
1514.35:167:32
1614.35:167:32
1714.25:177:31
1814.25:187:31
1914.25:187:30
2014.25:197:30
2114.25:207:29
2214.15:207:29
2314.15:217:28
2414.15:227:27
2514.15:237:27
2614.05:237:26
2714.05:247:25
2814.05:257:24
2914.05:267:23
3013.95:277:23
3113.95:277:22

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 7.83 kWh/m².

For context, solar energy here swings from a low near 2.21 kWh/m² to a high of 7.91 kWh/m² in June across the year — July's 7.83 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.0Intense
28.0Intense
38.0Intense
48.0Intense
58.0Intense
68.0Intense
78.0Intense
87.9Intense
97.9Intense
107.9Intense
117.9Intense
127.9Intense
137.9Intense
147.9Intense
157.8Intense
167.8Intense
177.8Intense
187.8Intense
197.8Intense
207.8Intense
217.8Intense
227.7Intense
237.7Intense
247.7Intense
257.7Intense
267.7Intense
277.6Intense
287.6Intense
297.6Intense
307.5Intense
317.5Intense
Planning a trip in July

Is July a good time to visit Oia?

Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

9.7
Sightseeing
1st-best month of the year
8.5
Beach & pool
2nd-best month of the year

July is one of the better times to visit Oia for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Oia in July

From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In July, Oia sees daytime highs around 25°C and nights near 24°C. Pack sun protection. Worth having: light clothes and a windbreaker.

sun protectionlight clothesa windbreaker

Sea temperature near Oia in July

The nearest coast averages about 24°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 24°C and coldest in February near 16°C.

It's comfortable for a long swim from May 28 to Nov 12 — about 5.6 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb16Cool
Mar16Cool
Apr17Cool
May19Cool
Jun22Refreshing
Jul24Refreshing
Aug24Warm
Sep24Refreshing
Oct22Refreshing
Nov20Cool
Dec18Cool

UV index in Oia in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Oia peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highHighModerateJul 15UV 9Jan 11UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5Moderate
Apr8Very high
May7Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Moderate
Location & terrain

Where is Oia?

Oia sits at 36.5°N, 25.4°E, 0 m above sea level, in Greece. The nearest listed city is Fira, 7.0 km away.

NaxosParosMykonosHeraklionRethymnoChaniaKos

Topography around Oia

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Oia.

Within 3 km, the terrain around Oia has significant variations in elevation — a maximum elevation change of 322 m around an average of 22 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 548 m; within 80 km, large variations in elevation — a maximum elevation change of 971 m.

The land around Oia is covered by water (72%) and grassland (21%) within 3 km, water (89%) within 16 km, and water (93%) within 80 km.

3 km
322 m
16 km
548 m
80 km
971 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Fira 7.0 km · Naxos 71 km · Paros 72 km · Mykonos 109 km · Heraklion 128 km · Rethymno 146 km · Chania 161 km · Kos 177 km

Greece travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 60% of US
price level, 2025
GDP per capita
$26,948
2025
Happiness
5.7 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
0.8
per 100k, 2023
Road deaths
8.3
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 592
Religion
other 3%Muslim 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Oia (36.4626°, 25.3764°, elevation 0 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).