Vila Franca de Xira weather in August

In August, Vila Franca de Xira sees average daytime highs of 29°C and overnight lows near 17°C, with 6 mm of rain across 1.3 wet days and about 13.5 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 79% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 14 h 06 min at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Vila Franca de Xira's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Vila Franca de Xira's year-round climate.

Daytime high
29°
1st warmest
Overnight low
17°
12th coldest
Rainfall
6 mm
1.3 wet days
Daylight
13 h 30 min
5:54 AM – 7:26 PM
Cloud cover
21%
2nd clearest
Wind
15 km/h
2nd windiest
Solar energy
6.78 kWh/m²
Travel score
7.5
out of 10

Vila Franca de Xira is city seat of Vila Franca de Xira municipality.

Air quality
Good
PM10 22.4 µg/m³ · 2010

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical August day in Vila Franca de Xira reaches about 29°C in the afternoon and slips back to 17°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 34°C. Set against its neighbours, August runs on par with July and about 2°C warmer than September.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
12917
22917
32917
42917
52917
62917
72917
82917
92917
102917
112917
122917
132917
142917
152917
162917
172917
182917
192917
202817
212817
222817
232817
242817
252817
262817
272817
282817
292817
302817
312817

Vila Franca de Xira weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan14° / 668.79.64.3
Feb15° / 50710.55.0
Mar18° / 578.411.76.2
Apr19° / 11°578.7136.5
May22° / 13°50714.17.4
Jun26° / 15°122.614.78.3
Jul28° / 17°30.814.58.0
Aug29° / 17°61.313.57.5
Sep26° / 16°314.612.37.9
Oct22° / 14°789.2116.9
Nov17° / 10°809.79.95.6
Dec15° / 769.39.34.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 79% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 11% of August, with mostly cloudy or overcast conditions the remaining 10%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1937
2937
3937
4937
5928
6928
7928
8928
9919
10919
11919
129010
139010
14919
15919
169010
179010
189010
199010
208911
218911
228911
238812
248812
258812
268812
278713
288713
298614
308614
318614

Chance of precipitation in August

Any precipitation

Vila Franca de Xira gets around 6 mm of rain over 1.3 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 4% and peaks near 6% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
13
23
33
44
54
64
74
84
94
104
115
125
135
145
155
165
174
184
194
204
214
224
234
244
254
264
275
285
295
305
316

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the comfortable band about 52% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11557271
21656271
31755271
41754272
51853272
61952272
71952272
81952272
91951282
101951282
111951282
121951282
131852282
141852282
151852282
161752292
171752292
181653292
191653292
201652302
211652302
221652302
231652302
241751302
251751302
261851292
271950292
282049292
292049292
302148292
312247302

Wind in August

Winds average 15 km/h in August.

Across August, daily wind ranges from about 13 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 06 min at the start of August to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 72 minutes over August. Sunrise moves from 5:40 AM to 6:08 AM, and sunset from 7:44 PM to 7:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:407:44
214.05:417:43
314.05:427:42
414.05:437:41
513.95:447:40
613.95:457:38
713.95:467:37
813.85:477:36
913.85:487:35
1013.85:487:34
1113.75:497:33
1213.75:507:31
1313.65:517:30
1413.65:527:29
1513.65:537:27
1613.55:547:26
1713.55:557:25
1813.55:567:23
1913.45:577:22
2013.45:587:21
2113.35:597:19
2213.36:007:18
2313.36:017:16
2413.26:017:15
2513.26:027:13
2613.16:037:12
2713.16:047:10
2813.16:057:09
2913.06:067:07
3013.06:077:06
3112.96:087:04

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.78 kWh/m².

For context, solar energy here swings from a low near 1.96 kWh/m² to a high of 7.58 kWh/m² in July across the year — August's 6.78 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.3Intense
27.3Intense
37.3Intense
47.2Intense
57.2Intense
67.2Intense
77.1Intense
87.1Intense
97.1Intense
107.0Intense
117.0Intense
127.0Intense
136.9Intense
146.9Intense
156.8Intense
166.8Intense
176.8Intense
186.7Intense
196.7Intense
206.6Intense
216.6Intense
226.6Intense
236.5Intense
246.5Intense
256.4Intense
266.4Intense
276.3Intense
286.3Intense
296.2Intense
306.2Intense
316.1Intense
Planning a trip in August

Is August a good time to visit Vila Franca de Xira?

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

7.5
Sightseeing
4th-best month of the year
9.0
Beach & pool
1st-best month of the year

August is one of the better times to visit Vila Franca de Xira for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Vila Franca de Xira in August

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

In August, Vila Franca de Xira sees daytime highs around 29°C and nights near 17°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Vila Franca de Xira in August

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

The sea at the nearest coast (about 38 km away) is warmest in August at about 18°C and coldest in February near 14°C.

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

12°14°16°18°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan15Bracing
Feb14Bracing
Mar14Bracing
Apr15Bracing
May16Cool
Jun17Cool
Jul18Cool
Aug18Cool
Sep18Cool
Oct18Cool
Nov17Cool
Dec15Cool

UV index in Vila Franca de Xira in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Vila Franca de Xira peaks around July 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 highHighModerateLowJul 16UV 9Dec 20UV 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 Vila Franca de Xira?

Vila Franca de Xira sits at 39.0°N, 9.0°W, 15 m above sea level, in Portugal. The nearest listed city is Vialonga, 12 km away.

Topography around Vila Franca de Xira

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Vila Franca de Xira.

Within 3 km, the terrain around Vila Franca de Xira has only modest variations in elevation — a maximum elevation change of 213 m around an average of 61 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 439 m; within 80 km, large variations in elevation — a maximum elevation change of 674 m.

The land around Vila Franca de Xira is covered by grassland (29%) and cropland (28%) within 3 km, grassland (36%) and cropland (29%) within 16 km, and water (33%), grassland (32%) and trees (23%) within 80 km.

3 km
213 m
16 km
439 m
80 km
674 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Vialonga 12 km · Póvoa de Santa Iria 12 km · Santa Iria da Azóia 16 km · Azambuja 17 km · São João da Talha 17 km · Camarate 21 km · Loures 21 km · Sacavém 21 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 Vila Franca de Xira (38.9552°, -8.9897°, elevation 15 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).