Portimão weather in July

In July, Portimão sees average daytime highs of 30°C and overnight lows near 17°C, with 1 mm of rain across 0.4 wet days and about 14.3 hours of daylight. It is the 2nd-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 29°C in the first days to 31°C by the end. The sky is clear or mostly clear about 89% of the time in July, and the air most often feels comfortable.

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

Daytime high
30°
2nd warmest
Overnight low
17°
11th coldest
Rainfall
1 mm
0.4 wet days
Daylight
14 h 18 min
5:30 AM – 7:49 PM
Cloud cover
11%
1st clearest
Wind
14 km/h
1st windiest
Solar energy
7.89 kWh/m²
Travel score
6.8
out of 10

Portimão is city seat of Portimão municipality.

Air quality
Moderate
PM10 31.5 µg/m³ · 2019

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 29°C in the first days to 31°C by the end.

A typical July day in Portimão reaches about 30°C in the afternoon and slips back to 17°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 35°C. Set against its neighbours, July runs about 3°C warmer than June and on par with August.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
12917
22917
32917
42917
52917
62917
73017
83017
93017
103017
113017
123017
133017
143017
153017
163018
173018
183018
193118
203118
213118
223118
233118
243118
253118
263118
273118
283118
293118
303118
313118

Portimão 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
Jan15° / 5079.75.0
Feb16° / 476.110.65.5
Mar18° / 567.711.76.5
Apr20° / 11°497.512.96.8
May23° / 13°356147.8
Jun27° / 16°71.614.58.1
Jul30° / 17°10.414.36.8
Aug30° / 18°30.613.46.6
Sep27° / 17°223.612.37.6
Oct23° / 14°667.8117.3
Nov18° / 10°627.7106.4
Dec16° / 758.19.55.2

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 89% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 6% of July, with mostly cloudy or overcast conditions the remaining 4%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1928
2937
3937
4937
5937
6955
7955
8955
9955
10955
11964
12964
13964
14964
15964
16964
17964
18964
19973
20973
21973
22973
23973
24973
25973
26973
27973
28973
29973
30964
31964

Chance of precipitation in July

Any precipitation

Portimão gets around 1 mm of rain over 0.4 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 1% and peaks near 2% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
12
22
32
42
52
62
71
81
91
101
111
121
131
141
151
161
171
181
191
201
211
221
231
241
251
261
271
281
291
301
311

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the comfortable band about 57% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1365770
2365680
3355780
4355780
5345790
6345790
73357100
83357100
93257110
103158110
113157120
123057130
132958130
142957140
152858140
162758150
172758150
182658160
192559160
202459170
212459170
222360170
232359180
242359180
252259190
262257201
272257201
282256211
292355211
302354221
312354221

Wind in July

Winds average 14 km/h in July, the windiest month of the year.

Across July, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in July

DaylightNight

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

Days shrink by about 30 minutes over July. Sunrise moves from 5:22 AM to 5:42 AM, and sunset from 7:53 PM to 7:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.55:227:53
214.55:227:53
314.55:237:53
414.55:237:53
514.55:247:53
614.55:247:53
714.55:257:52
814.55:257:52
914.45:267:52
1014.45:267:52
1114.45:277:51
1214.45:287:51
1314.45:287:51
1414.45:297:50
1514.35:297:50
1614.35:307:49
1714.35:317:49
1814.35:327:48
1914.35:327:48
2014.25:337:47
2114.25:347:47
2214.25:347:46
2314.25:357:45
2414.15:367:45
2514.15:377:44
2614.15:387:43
2714.15:387:42
2814.05:397:41
2914.05:407:41
3014.05:417:40
3114.05:427:39

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 7.89 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.26 kWh/m² to a high of 7.89 kWh/m² in July across the year — July's 7.89 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
88.0Intense
98.0Intense
108.0Intense
118.0Intense
128.0Intense
138.0Intense
147.9Intense
157.9Intense
167.9Intense
177.9Intense
187.9Intense
197.9Intense
207.9Intense
217.8Intense
227.8Intense
237.8Intense
247.8Intense
257.8Intense
267.7Intense
277.7Intense
287.7Intense
297.6Intense
307.6Intense
317.6Intense
Planning a trip in July

Is July a good time to visit Portimão?

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

6.8
Sightseeing
5th-best month of the year
9.2
Beach & pool
1st-best month of the year

July is a reasonable time to visit Portimão for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Portimão in July

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

In July, Portimão sees daytime highs around 30°C and nights near 17°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Portimão in July

The nearest coast averages about 19°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 September at about 20°C and coldest in February near 15°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

14°16°18°20°22°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar15Cool
Apr16Cool
May17Cool
Jun19Cool
Jul19Cool
Aug20Cool
Sep20Refreshing
Oct19Cool
Nov18Cool
Dec17Cool

UV index in Portimão in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Portimão peaks around July 14 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highHighModerateJul 14UV 10Dec 19UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar7High
Apr8Very high
May7Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep7High
Oct5High
Nov3Moderate
Dec2Low
Location & terrain

Where is Portimão?

Portimão sits at 37.1°N, 8.5°W, 13 m above sea level, in Portugal. The nearest listed city is Lagos, 13 km away.

Topography around Portimão

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

Within 3 km, the terrain around Portimão has only modest variations in elevation — a maximum elevation change of 68 m around an average of 19 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 309 m; within 80 km, large variations in elevation — a maximum elevation change of 894 m.

The land around Portimão is covered by grassland (33%), artificial surfaces (33%) and water (20%) within 3 km, water (36%) and grassland (29%) within 16 km, and water (48%) and grassland (23%) within 80 km.

3 km
68 m
16 km
309 m
80 km
894 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
July weather nearby: Lagos 13 km · Porto de Mós 14 km · Albufeira 26 km · Quarteira 40 km · Loulé 46 km · Faro 56 km · Olhão 63 km · Quelfes 64 km

Portugal travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E / F
230 V · 50 Hz
Prices
≈ 60% of US
price level, 2025
GDP per capita
$32,082
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
95%
of population, 2024
Homicide rate
0.7
per 100k, 2022
Road deaths
8.2
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 612
Religion
Catholic 68%not applicable 13%no religion 12%no response 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 Portimão (37.1386°, -8.5378°, elevation 13 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).