Marvila weather in May

In May, Marvila sees average daytime highs of 22°C and overnight lows near 13°C, with 42 mm of rain across 6.3 wet days and about 14.1 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 24°C by the end. The sky is clear or mostly clear about 43% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 36 min at the start of May to 14 h 30 min by month's end. Set against the rest of the year, May is Marvila's 5th-clearest and 4th-windiest month. For the whole year in context, see Marvila's year-round climate.

Daytime high
22°
5th warmest
Overnight low
13°
7th coldest
Rainfall
42 mm
6.3 wet days
Daylight
14 h 06 min
5:30 AM – 7:36 PM
Cloud cover
46%
5th clearest
Wind
14 km/h
4th windiest
Solar energy
6.72 kWh/m²
Travel score
7.5
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 20°C in the first days to 24°C by the end.

A typical May day in Marvila reaches about 22°C in the afternoon and slips back to 13°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 28°C. Set against its neighbours, May runs about 3°C warmer than April and about 3°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12012
22012
32012
42112
52112
62112
72113
82113
92113
102113
112113
122113
132213
142213
152213
162213
172213
182213
192214
202314
212314
222314
232314
242314
252314
262314
272314
282414
292414
302414
312415

Marvila weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan14° / 618.49.64.4
Feb15° / 47710.55.0
Mar18° / 10°517.611.76.2
Apr19° / 11°518.6136.5
May22° / 13°426.314.17.5
Jun25° / 16°102.414.78.5
Jul28° / 17°20.714.48.2
Aug28° / 17°5113.57.9
Sep26° / 16°284.412.38.0
Oct22° / 14°758.8117.0
Nov17° / 11°759.29.95.8
Dec15° / 738.99.34.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 20% of May, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35743
45842
55842
65842
75941
85941
96040
106139
116040
126139
136238
146238
156337
166436
176535
186535
196535
206634
216634
226634
236733
246733
256733
266733
276733
286733
296733
306832
316733

Chance of precipitation in May

Any precipitation

Marvila gets around 42 mm of rain over 6.3 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 20% and peaks near 26% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
126
225
325
425
525
625
725
824
924
1024
1123
1223
1323
1422
1522
1621
1721
1820
1919
2019
2118
2218
2317
2416
2516
2615
2714
2814
2913
3013
3113

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 69% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
182180
282180
380191
479201
579201
678211
778211
877221
977221
1076231
1175241
1274251
1373261
1472271
1570282
1670282
1769292
1868302
1967312
2065323
2164333
2262344
2361354
2459365
2559365
2658375
2756386
2855396
2954397
3053407
3152417

Wind in May

Winds average 14 km/h in May.

Across May, 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 May

DaylightNight

Daylight runs from about 13 h 36 min at the start of May to 14 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over May. Sunrise moves from 5:46 AM to 5:19 AM, and sunset from 7:22 PM to 7:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:467:22
213.65:447:22
313.75:437:23
413.75:427:24
513.75:417:25
613.85:407:26
713.85:397:27
813.85:377:28
913.95:367:29
1013.95:357:30
1113.95:347:31
1214.05:337:32
1314.05:327:33
1414.05:317:34
1514.15:307:35
1614.15:307:36
1714.15:297:37
1814.25:287:38
1914.25:277:38
2014.25:267:39
2114.25:257:40
2214.35:257:41
2314.35:247:42
2414.35:237:43
2514.35:237:44
2614.45:227:44
2714.45:217:45
2814.45:217:46
2914.45:207:47
3014.55:207:48
3114.55:197:48

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.72 kWh/m².

For context, solar energy here swings from a low near 2.01 kWh/m² to a high of 7.63 kWh/m² in July across the year — May's 6.72 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.4Intense
56.4Intense
66.4Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.6Intense
126.6Intense
136.6Intense
146.7Intense
156.7Intense
166.8Intense
176.8Intense
186.8Intense
196.8Intense
206.9Intense
216.9Intense
226.9Intense
236.9Intense
247.0Intense
257.0Intense
267.0Intense
277.0Intense
287.0Intense
297.0Intense
307.1Intense
317.1Intense
Planning a trip in May

Is May a good time to visit Marvila?

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

7.5
Sightseeing
5th-best month of the year
5.2
Beach & pool
5th-best month of the year

May is one of the better times to visit Marvila for general sightseeing.

What to pack for Marvila in May

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

In May, Marvila sees daytime highs around 22°C and nights near 13°C. Pack sun protection. Worth having: light clothes. About 6 days see rain.

sun protectionlight clothes

Sea temperature near Marvila in May

The nearest coast averages about 16°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 27 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 Marvila in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Marvila 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 Marvila?

Marvila sits at 38.7°N, 9.1°W, 8 m above sea level, in Portugal. The nearest listed city is Areeiro, 3.0 km away.

Topography around Marvila

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

Within 3 km, the terrain around Marvila has only modest variations in elevation — a maximum elevation change of 116 m around an average of 26 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 651 m.

The land around Marvila is covered by water (50%) and artificial surfaces (35%) within 3 km, water (34%), artificial surfaces (27%) and grassland (20%) within 16 km, and water (38%), grassland (31%) and trees (20%) within 80 km.

3 km
116 m
16 km
356 m
80 km
651 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Areeiro 3.0 km · Parque das Nações 3.0 km · Olivais 3.0 km · São Jorge de Arroios 3.0 km · Alvalade 4.0 km · Moscavide e Portela 4.0 km · Lisbon 4.0 km · Cidade Universitária 5.0 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 Marvila (38.7398°, -9.1016°, elevation 8 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).