Feira weather in May

In May, Feira sees average daytime highs of 20°C and overnight lows near 12°C, with 112 mm of rain across 12 wet days and about 14.3 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 21°C by the end. The sky is clear or mostly clear about 33% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 42 min at the start of May to 14 h 42 min by month's end. Set against the rest of the year, May is Feira's 5th-clearest and 7th-windiest month. For the whole year in context, see Feira's year-round climate.

Daytime high
20°
5th warmest
Overnight low
12°
7th coldest
Rainfall
112 mm
12 wet days
Daylight
14 h 18 min
5:22 AM – 7:39 PM
Cloud cover
54%
5th clearest
Wind
11 km/h
7th windiest
Solar energy
6.37 kWh/m²
Travel score
6.1
out of 10

Feira is city seat of Santa Maria da Feira municipality.

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 18°C in the first days to 21°C by the end.

A typical May day in Feira reaches about 20°C in the afternoon and slips back to 12°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 26°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)
11811
21811
31811
41811
51911
61911
71911
81911
91912
101912
111912
121912
131912
141912
152012
162012
172012
182012
192013
202013
212013
222013
232113
242113
252113
262113
272113
282113
292114
302114
312114

Feira 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
Jan12° / 15512.19.43.2
Feb14° / 1069.510.43.9
Mar16° / 12410.811.74.9
Apr17° / 10°1291313.15.2
May20° / 12°1121214.36.1
Jun23° / 15°436.914.97.5
Jul25° / 16°234.114.68.4
Aug26° / 17°294.913.68.2
Sep23° / 15°697.612.37.5
Oct20° / 13°17413.110.95.9
Nov15° / 16513.19.74.4
Dec13° / 17212.69.13.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% 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 48%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24852
34852
44852
54852
64852
74852
84852
94852
104852
114951
124951
134852
144852
155050
165050
175050
185248
195248
205347
215347
225545
235644
245644
255743
265743
275842
285842
295842
305842
315842

Chance of precipitation in May

Any precipitation

Feira gets around 112 mm of rain over 12 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 39% and peaks near 42% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
141
241
341
442
542
642
742
842
942
1042
1142
1242
1342
1441
1541
1640
1740
1839
1939
2038
2137
2237
2336
2436
2535
2634
2734
2833
2933
3032
3132

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 72% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
188120
287130
386140
485141
584151
683161
783161
882171
982171
1080182
1179192
1278202
1378202
1477212
1575223
1674233
1773243
1871254
1970264
2068275
2167285
2265296
2364306
2462317
2561327
2659338
2758348
2858348
2956359
3055369
3154379

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 42 min at the start of May to 14 h 42 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 5:40 AM to 5:11 AM, and sunset from 7:23 PM to 7:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:407:23
213.85:387:24
313.85:377:25
413.85:367:26
513.95:347:27
613.95:337:29
714.05:327:30
814.05:317:31
914.05:307:32
1014.15:287:33
1114.15:277:34
1214.15:267:35
1314.25:257:36
1414.25:247:37
1514.25:237:38
1614.35:227:39
1714.35:217:40
1814.35:207:41
1914.45:197:42
2014.45:187:43
2114.45:187:44
2214.55:177:45
2314.55:167:45
2414.55:157:46
2514.55:147:47
2614.65:147:48
2714.65:137:49
2814.65:137:50
2914.65:127:51
3014.75:117:52
3114.75:117:52

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.37 kWh/m².

For context, solar energy here swings from a low near 1.69 kWh/m² to a high of 7.27 kWh/m² in July across the year — May's 6.37 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
36.0Bright
46.0Bright
56.0Intense
66.0Intense
76.1Intense
86.1Intense
96.1Intense
106.2Intense
116.2Intense
126.2Intense
136.3Intense
146.3Intense
156.3Intense
166.4Intense
176.4Intense
186.4Intense
196.5Intense
206.5Intense
216.5Intense
226.6Intense
236.6Intense
246.6Intense
256.6Intense
266.7Intense
276.7Intense
286.7Intense
296.7Intense
306.7Intense
316.8Intense
Planning a trip in May

Hazard calendar for Feira

In seasonPeak

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

Feira'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 Feira?

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

6.1
Sightseeing
5th-best month of the year
3.0
Beach & pool
5th-best month of the year

May is a reasonable time to visit Feira for sightseeing.

What to pack for Feira in May

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

In May, Feira sees daytime highs around 20°C and nights near 12°C. Pack sun protection. Worth having: rain gear. About 12 days see rain.

sun protectionrain gear

Sea temperature near Feira 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 23 km away) is warmest in September 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
Mar14Bracing
Apr14Bracing
May16Cool
Jun17Cool
Jul17Cool
Aug17Cool
Sep17Cool
Oct17Cool
Nov16Cool
Dec14Bracing

UV index in Feira 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 Feira 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 12UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5High
Apr6High
May7High
Jun9Very high
Jul9Very high
Aug8Very high
Sep5High
Oct5Moderate
Nov2Moderate
Dec2Low

Air quality in Feira 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 Feira is worst in August — around 25 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (November, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodAug 2425 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar14Moderate
Apr12Moderate
May8Good
Jun9Good
Jul9Good
Aug25Moderate
Sep24Moderate
Oct18Moderate
Nov7Good
Dec7Good
Location & terrain

Where is Feira?

Feira sits at 40.9°N, 8.5°W, 122 m above sea level, in Portugal. The nearest listed city is São João da Madeira, 5.0 km away.

Topography around Feira

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

Within 3 km, the terrain around Feira has only modest variations in elevation — a maximum elevation change of 225 m around an average of 156 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 633 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,402 m.

The land around Feira is covered by trees (55%) and artificial surfaces (27%) within 3 km, trees (50%) within 16 km, and trees (43%), water (24%) and grassland (23%) within 80 km.

3 km
225 m
16 km
633 m
80 km
1,402 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: São João da Madeira 5.0 km · Ovar 10 km · Espinho 12 km · Valadares 20 km · Vilar de Andorinho 20 km · Santo Ovídio 22 km · Oliveira do Douro 22 km · Vila Nova de Gaia 23 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 Feira (40.9254°, -8.5428°, elevation 122 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).