Azambuja weather in May

In May, Azambuja sees average daytime highs of 24°C and overnight lows near 13°C, with 46 mm of rain across 6.9 wet days and about 14.1 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 22°C in the first days to 26°C by the end. The sky is clear or mostly clear about 42% 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 Azambuja's 5th-clearest and 4th-windiest month. For the whole year in context, see Azambuja's year-round climate.

Daytime high
24°
5th warmest
Overnight low
13°
7th coldest
Rainfall
46 mm
6.9 wet days
Daylight
14 h 06 min
5:28 AM – 7:36 PM
Cloud cover
47%
5th clearest
Wind
13 km/h
4th windiest
Solar energy
6.56 kWh/m²
Travel score
7.5
out of 10

Azambuja is municipal capital in Lisboa district, Portugal.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 22°C in the first days to 26°C by the end.

A typical May day in Azambuja reaches about 24°C in the afternoon and slips back to 13°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 31°C. Set against its neighbours, May runs about 3°C warmer than April and about 4°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12211
22211
32211
42212
52212
62312
72312
82312
92312
102312
112312
122312
132312
142412
152413
162413
172413
182413
192413
202513
212513
222513
232513
242513
252514
262514
272614
282614
292614
302614
312614

Azambuja weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan15° / 578.19.64.6
Feb16° / 456.510.55.4
Mar19° / 527.611.76.6
Apr21° / 10°538.1136.8
May24° / 13°466.914.17.5
Jun28° / 15°112.614.77.5
Jul31° / 17°30.914.56.3
Aug31° / 17°51.313.56.0
Sep28° / 16°304.312.37.2
Oct23° / 14°708.7117.1
Nov18° / 10°718.49.96.0
Dec15° / 688.39.34.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25446
35545
45545
55545
65644
75644
85743
95842
105743
115842
125941
135941
146040
156040
166139
176238
186238
196337
206337
216337
226436
236436
246436
256436
266436
276535
286535
296436
306436
316535

Chance of precipitation in May

Any precipitation

Azambuja gets around 46 mm of rain over 6.9 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 22% and peaks near 25% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
125
225
325
425
525
625
725
824
924
1024
1124
1224
1323
1423
1523
1623
1723
1822
1922
2022
2121
2221
2320
2420
2519
2619
2718
2817
2917
3016
3115

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 76% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
186140
285150
385150
485150
584160
684160
783170
883170
982180
1082180
1181190
1280191
1379201
1479201
1578211
1678211
1777221
1876231
1976231
2074242
2173252
2272262
2370273
2470273
2569283
2668293
2767303
2866313
2966313
3064324
3163334

Wind in May

Winds average 13 km/h in May.

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

051015151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light 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 5:44 AM to 5:17 AM, and sunset from 7:21 PM to 7:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:447:21
213.75:437:22
313.75:427:23
413.75:417:24
513.85:397:25
613.85:387:26
713.85:377:27
813.95:367:28
913.95:357:29
1013.95:347:30
1114.05:337:31
1214.05:327:32
1314.05:317:33
1414.15:307:34
1514.15:297:35
1614.15:287:36
1714.25:277:37
1814.25:267:37
1914.25:257:38
2014.25:247:39
2114.35:247:40
2214.35:237:41
2314.35:227:42
2414.45:217:43
2514.45:217:44
2614.45:207:44
2714.45:207:45
2814.45:197:46
2914.55:187:47
3014.55:187:48
3114.55:177:48

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.56 kWh/m².

For context, solar energy here swings from a low near 1.97 kWh/m² to a high of 7.59 kWh/m² in July across the year — May's 6.56 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.2Intense
46.2Intense
56.2Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.4Intense
116.4Intense
126.5Intense
136.5Intense
146.5Intense
156.6Intense
166.6Intense
176.6Intense
186.7Intense
196.7Intense
206.7Intense
216.7Intense
226.8Intense
236.8Intense
246.8Intense
256.8Intense
266.8Intense
276.9Intense
286.9Intense
296.9Intense
306.9Intense
316.9Intense
Planning a trip in May

Is May a good time to visit Azambuja?

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

7.5
Sightseeing
1st-best month of the year
6.3
Beach & pool
5th-best month of the year

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

What to pack for Azambuja in May

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

In May, Azambuja sees daytime highs around 24°C and nights near 13°C. Pack sun protection. Worth having: light clothes. About 7 days see rain.

sun protectionlight clothes

Sea temperature near Azambuja 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 44 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 Azambuja 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 Azambuja peaks around July 15 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 15UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar6High
Apr8Very high
May7Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct5Moderate
Nov2Moderate
Dec2Low
Location & terrain

Where is Azambuja?

Azambuja sits at 39.1°N, 8.9°W, 25 m above sea level, in Portugal. The nearest listed city is Vila Franca de Xira, 17 km away.

Topography around Azambuja

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

Within 3 km, the terrain around Azambuja has only modest variations in elevation — a maximum elevation change of 110 m around an average of 22 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 282 m; within 80 km, large variations in elevation — a maximum elevation change of 674 m.

The land around Azambuja is covered by cropland (39%), grassland (31%) and trees (22%) within 3 km, cropland (35%), grassland (33%) and trees (22%) within 16 km, and grassland (35%), trees (28%) and water (26%) within 80 km.

3 km
110 m
16 km
282 m
80 km
674 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Vila Franca de Xira 17 km · Santarém 24 km · Vialonga 29 km · Póvoa de Santa Iria 29 km · Santa Iria da Azóia 32 km · Torres Vedras 34 km · São João da Talha 34 km · Loures 37 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 Azambuja (39.0703°, -8.8682°, elevation 25 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).