São Jorge de Arroios weather in July

In July, São Jorge de Arroios sees average daytime highs of 24°C and overnight lows near 18°C, with 2 mm of rain across 0.6 wet days and about 14.4 hours of daylight. It is the 2nd-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 83% of the time in July, and the air most often feels humid.

Daylight stretches from about 14 h 42 min at the start of July to 14 h 06 min by month's end. Set against the rest of the year, July is São Jorge de Arroios's 1st-clearest and 1st-windiest month. For the whole year in context, see São Jorge de Arroios's year-round climate.

Daytime high
24°
2nd warmest
Overnight low
18°
11th coldest
Rainfall
2 mm
0.6 wet days
Daylight
14 h 30 min
5:28 AM – 7:56 PM
Cloud cover
18%
1st clearest
Wind
20 km/h
1st windiest
Solar energy
7.59 kWh/m²
Travel score
9.3
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical July day in São Jorge de Arroios reaches about 24°C in the afternoon and slips back to 18°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 28°C. Set against its neighbours, July runs about 2°C warmer than June and on par with August.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12317
22317
32317
42317
52317
62317
72317
82317
92417
102417
112417
122417
132417
142418
152418
162418
172418
182418
192418
202418
212418
222418
232418
242418
252418
262418
272418
282418
292418
302418
312518

São Jorge de Arroios 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° / 10°688.99.64.2
Feb15° / 10°517.510.54.6
Mar16° / 11°538.111.75.5
Apr17° / 12°518.4136.0
May19° / 14°425.914.17.1
Jun22° / 16°102.114.78.4
Jul24° / 18°20.614.49.3
Aug24° / 18°4113.59.2
Sep23° / 17°294.112.38.3
Oct20° / 16°778.9116.7
Nov17° / 13°8210.29.95.5
Dec15° / 11°799.49.34.5

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 83% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 10% of July, with mostly cloudy or overcast conditions the remaining 7%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
19010
2919
3919
4919
5919
6919
7919
8919
9919
10928
11928
12937
13937
14937
15928
16928
17928
18928
19946
20946
21946
22946
23946
24946
25955
26955
27946
28946
29946
30946
31946

Chance of precipitation in July

Any precipitation

São Jorge de Arroios gets around 2 mm of rain over 0.6 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 2% and peaks near 4% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
14
23
33
43
53
63
73
83
92
102
112
122
132
142
152
162
172
182
192
202
212
222
232
242
252
262
272
282
292
302
312

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the humid band about 50% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11254331
21252351
31152361
41151371
51150381
61049401
71048411
81047430
9946450
10944461
11843481
12842491
13842501
14741511
15740521
16640531
17639541
18538552
19538552
20437572
21437572
22337573
23336583
24336583
25336574
26335584
27335584
28335584
29335575
30335575
31335575

Wind in July

Winds average 20 km/h in July, the windiest month of the year.

Across July, daily wind ranges from about 20 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
120light breeze
220light breeze
320light breeze
420light breeze
520light breeze
620breezy
720breezy
820breezy
920breezy
1020breezy
1120breezy
1220breezy
1320breezy
1420breezy
1520breezy
1620light breeze
1720light breeze
1820light breeze
1920light breeze
2020light breeze
2120light breeze
2220light breeze
2320light breeze
2420light breeze
2520light breeze
2620light breeze
2720light breeze
2820light breeze
2920light breeze
3020light breeze
3120light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 42 min at the start of July to 14 h 06 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 5:20 AM to 5:40 AM, and sunset from 8:00 PM to 7:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.75:208:00
214.75:208:00
314.75:208:00
414.75:218:00
514.65:218:00
614.65:228:00
714.65:237:59
814.65:237:59
914.65:247:59
1014.65:247:59
1114.65:257:58
1214.55:267:58
1314.55:267:57
1414.55:277:57
1514.55:287:57
1614.55:287:56
1714.45:297:55
1814.45:307:55
1914.45:317:54
2014.45:317:54
2114.35:327:53
2214.35:337:52
2314.35:347:52
2414.35:357:51
2514.25:357:50
2614.25:367:49
2714.25:377:48
2814.25:387:48
2914.15:397:47
3014.15:407:46
3114.15:407:45

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 7.59 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.01 kWh/m² to a high of 7.59 kWh/m² in July across the year — July's 7.59 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.6Intense
27.6Intense
37.6Intense
47.6Intense
57.6Intense
67.6Intense
77.6Intense
87.7Intense
97.7Intense
107.7Intense
117.7Intense
127.7Intense
137.6Intense
147.6Intense
157.6Intense
167.6Intense
177.6Intense
187.6Intense
197.6Intense
207.6Intense
217.5Intense
227.5Intense
237.5Intense
247.5Intense
257.5Intense
267.5Intense
277.4Intense
287.4Intense
297.4Intense
307.4Intense
317.3Intense
Planning a trip in July

Is July a good time to visit São Jorge de Arroios?

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

9.3
Sightseeing
1st-best month of the year
7.7
Beach & pool
2nd-best month of the year

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

What to pack for São Jorge de Arroios in July

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

In July, São Jorge de Arroios sees daytime highs around 24°C and nights near 18°C. Pack sun protection. Worth having: light clothes and a windbreaker.

sun protectionlight clothesa windbreaker

Sea temperature near São Jorge de Arroios in July

The nearest coast averages about 18°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 24 km away) is warmest in September at about 19°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°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan15Cool
Feb15Bracing
Mar15Bracing
Apr15Cool
May16Cool
Jun18Cool
Jul18Cool
Aug19Cool
Sep19Cool
Oct18Cool
Nov17Cool
Dec16Cool

UV index in São Jorge de Arroios 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 São Jorge de Arroios peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 15UV 9Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar6High
Apr8Very high
May7Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct5High
Nov3Moderate
Dec2Low
Location & terrain

Where is São Jorge de Arroios?

São Jorge de Arroios sits at 38.7°N, 9.1°W, 71 m above sea level, in Portugal. The nearest listed city is Lisbon, 1.0 km away.

Topography around São Jorge de Arroios

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Jorge de Arroios.

Within 3 km, the terrain around São Jorge de Arroios has only modest variations in elevation — a maximum elevation change of 129 m around an average of 57 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 356 m; within 80 km, large variations in elevation — a maximum elevation change of 656 m.

The land around São Jorge de Arroios is covered by artificial surfaces (67%) within 3 km, water (33%) and artificial surfaces (28%) within 16 km, and water (39%) and grassland (30%) within 80 km.

3 km
129 m
16 km
356 m
80 km
656 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
July weather nearby: Lisbon 1.0 km · Areeiro 1.0 km · Sete Rios 2.0 km · Campo De Ourique 3.0 km · Alvalade 3.0 km · Cidade Universitária 3.0 km · Marvila 3.0 km · Campo Grande 4.0 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 São Jorge de Arroios (38.7289°, -9.1381°, elevation 71 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).