Monção weather in May

In May, Monção sees average daytime highs of 19°C and overnight lows near 10°C, with 136 mm of rain across 13.5 wet days and about 14.4 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 17°C in the first days to 20°C by the end. The sky is clear or mostly clear about 28% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 48 min at the start of May to 14 h 48 min by month's end. Set against the rest of the year, May is Monção's 5th-clearest and 7th-windiest month. For the whole year in context, see Monção's year-round climate.

Daytime high
19°
5th warmest
Overnight low
10°
7th coldest
Rainfall
136 mm
13.5 wet days
Daylight
14 h 24 min
5:19 AM – 7:41 PM
Cloud cover
59%
5th clearest
Wind
9 km/h
7th windiest
Solar energy
6.19 kWh/m²
Travel score
5.6
out of 10

Monção is human settlement in 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 17°C in the first days to 20°C by the end.

A typical May day in Monção reaches about 19°C in the afternoon and slips back to 10°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 25°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)
1179
2179
3179
4179
5179
6189
7189
8189
9189
10189
111810
121810
131810
141810
151910
161910
171910
181910
191910
201910
211911
221911
232011
242011
252011
262011
272011
282011
292011
302011
312012

Monção 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
Jan11° / 20013.39.32.7
Feb13° / 13410.510.33.4
Mar15° / 15611.511.74.4
Apr16° / 15514.613.14.6
May19° / 10°13613.514.45.6
Jun22° / 13°628.4157.0
Jul24° / 15°365.614.88.1
Aug25° / 15°485.913.78.1
Sep22° / 13°898.512.37.1
Oct18° / 11°21113.410.85.5
Nov14° / 21214.19.63.8
Dec12° / 20613.393.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 55%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
34060
44258
54258
64258
74258
84357
94258
104258
114258
124357
134456
144357
154456
164456
174456
184456
194555
204555
214753
224753
234852
244753
254852
264951
274852
284852
294951
304951
314852

Chance of precipitation in May

Any precipitation

Monção gets around 136 mm of rain over 13.5 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 44% and peaks near 48% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
148
248
348
448
548
648
748
847
947
1047
1147
1247
1346
1446
1545
1645
1744
1844
1943
2042
2142
2241
2341
2440
2539
2639
2738
2838
2937
3037
3136

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 83% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19370
29370
39280
49280
59280
69190
79190
89190
990100
1090100
1189110
1289110
1388120
1488120
1587130
1686140
1785150
1883161
1982171
2081181
2180191
2278202
2377212
2475223
2574233
2673243
2771254
2870264
2969274
3069274
3168284

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 48 min at the start of May to 14 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over May. Sunrise moves from 5:37 AM to 5:07 AM, and sunset from 7:25 PM to 7:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:377:25
213.85:367:26
313.95:347:27
413.95:337:28
514.05:327:30
614.05:307:31
714.05:297:32
814.15:287:33
914.15:277:34
1014.25:257:35
1114.25:247:36
1214.25:237:37
1314.35:227:38
1414.35:217:39
1514.35:207:40
1614.45:197:41
1714.45:187:42
1814.45:177:44
1914.55:167:45
2014.55:157:46
2114.55:147:46
2214.65:137:47
2314.65:127:48
2414.65:127:49
2514.75:117:50
2614.75:107:51
2714.75:107:52
2814.75:097:53
2914.85:087:54
3014.85:087:55
3114.85:077:56

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.19 kWh/m².

For context, solar energy here swings from a low near 1.51 kWh/m² to a high of 7.11 kWh/m² in July across the year — May's 6.19 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.9Bright
75.9Bright
85.9Bright
96.0Bright
106.0Bright
116.0Intense
126.0Intense
136.1Intense
146.1Intense
156.2Intense
166.2Intense
176.2Intense
186.3Intense
196.3Intense
206.3Intense
216.4Intense
226.4Intense
236.4Intense
246.4Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.6Intense
306.6Intense
316.6Intense
Planning a trip in May

Hazard calendar for Monção

In seasonPeak

In May, Monção sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Monção's rainy season runs October–May, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Monção?

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

5.6
Sightseeing
5th-best month of the year
2.3
Beach & pool
5th-best month of the year

May is a reasonable time to visit Monção for sightseeing.

What to pack for Monção in May

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

In May, Monção sees daytime highs around 19°C and nights near 10°C. Pack sun protection. Worth having: rain gear. About 14 days see rain.

sun protectionrain gear

Sea temperature near Monção in May

The nearest coast averages about 15°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 33 km away) is warmest in August at about 17°C and coldest in February near 13°C.

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

12°14°16°18°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr14Bracing
May15Cool
Jun17Cool
Jul17Cool
Aug17Cool
Sep17Cool
Oct16Cool
Nov15Cool
Dec14Bracing

UV index in Monção 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 Monção peaks around July 12 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 12UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr7High
May7High
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Monção in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Monção is worst in September — around 19 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (November, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodSep 1819 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar15Moderate
Apr12Good
May8Good
Jun8Good
Jul9Good
Aug14Moderate
Sep19Moderate
Oct17Moderate
Nov7Good
Dec7Good
Location & terrain

Where is Monção?

Monção sits at 42.1°N, 8.5°W, 34 m above sea level, in Portugal. The nearest listed city is Ponteareas, 11 km away.

Topography around Monção

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

Within 3 km, the terrain around Monção has only modest variations in elevation — a maximum elevation change of 164 m around an average of 61 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 948 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,517 m.

The land around Monção is covered by trees (47%) and grassland (35%) within 3 km, trees (60%) and grassland (34%) within 16 km, and trees (46%), grassland (28%) and water (21%) within 80 km.

3 km
164 m
16 km
948 m
80 km
1,517 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Ponteareas 11 km · Tui 14 km · Porriño 15 km · Redondela 25 km · Vigo 26 km · Arcos de Valdevez 26 km · Nigrán 28 km · Moaña 31 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 Monção (42.0789°, -8.4808°, elevation 34 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).