Coimbra weather in April

In April, Coimbra sees average daytime highs of 19°C and overnight lows near 10°C, with 92 mm of rain across 10.7 wet days and about 13 hours of daylight. It is the 7th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 19°C through the month. The sky is clear or mostly clear about 33% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 36 min by month's end. Set against the rest of the year, April is Coimbra's 10th-clearest and 3rd-windiest month. For the whole year in context, see Coimbra's year-round climate.

Daytime high
19°
7th warmest
Overnight low
10°
6th coldest
Rainfall
92 mm
10.7 wet days
Daylight
13 h 06 min
6:02 AM – 7:06 PM
Cloud cover
55%
10th clearest
Wind
11 km/h
3rd windiest
Solar energy
5.39 kWh/m²
Travel score
6.1
out of 10

Coimbra is city seat of Coimbra municipality in Portugal.

Air quality
Good
PM10 19.8 µg/m³ · 2019

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 19°C through the month.

A typical April day in Coimbra 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, April runs about 1°C warmer than March and about 3°C cooler than May.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
1189
2189
3189
4189
5199
6199
7199
8199
9199
10199
11199
12199
13199
14199
15199
16199
171910
181910
191910
201910
211910
221910
231910
241910
251910
261910
272010
282010
292010
302010

Coimbra weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan14° / 10810.89.53.9
Feb15° / 808.610.44.7
Mar18° / 859.611.75.9
Apr19° / 10°9210.7136.1
May22° / 12°739.214.26.9
Jun25° / 14°235.114.87.9
Jul27° / 16°92.214.68.2
Aug28° / 16°143.113.67.8
Sep25° / 15°49612.37.7
Oct21° / 12°11711.210.96.4
Nov17° / 11711.99.85.1
Dec14° / 11110.99.24.1

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14951
24951
34951
45050
55050
65149
75149
85149
95248
105248
115248
125149
135149
145149
155050
165050
175050
185050
194951
204951
214852
224852
234753
244951
254951
264951
275050
285050
295149
305149

Chance of precipitation in April

Any precipitation

Coimbra gets around 92 mm of rain over 10.7 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
137
237
336
436
536
635
735
835
934
1034
1134
1235
1335
1435
1536
1636
1736
1836
1936
2036
2136
2236
2335
2435
2534
2634
2733
2833
2932
3032

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1964
2955
3955
4955
5955
6946
7946
8946
9946
10946
11946
12946
13946
14946
15946
16946
17937
18937
19937
20928
21928
22919
239010
249010
258911
268812
278812
288713
298614
308614

Wind in April

Winds average 11 km/h in April.

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

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over April. Sunrise moves from 6:26 AM to 5:42 AM, and sunset from 6:50 PM to 7:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:266:50
212.46:256:51
312.56:236:52
412.56:216:53
512.66:206:54
612.66:186:55
712.76:166:56
812.76:156:57
912.86:136:59
1012.86:127:00
1112.86:107:01
1212.96:087:02
1312.96:077:03
1413.06:057:04
1513.06:047:05
1613.16:027:06
1713.16:007:07
1813.15:597:08
1913.25:577:09
2013.25:567:10
2113.35:547:11
2213.35:537:12
2313.45:517:13
2413.45:507:14
2513.45:497:15
2613.55:477:16
2713.55:467:17
2813.65:447:18
2913.65:437:19
3013.65:427:20

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.39 kWh/m².

For context, solar energy here swings from a low near 1.81 kWh/m² to a high of 7.28 kWh/m² in July across the year — April's 5.39 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
45.0Bright
55.0Bright
65.1Bright
75.1Bright
85.2Bright
95.2Bright
105.2Bright
115.3Bright
125.3Bright
135.3Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.6Bright
235.6Bright
245.7Bright
255.7Bright
265.7Bright
275.8Bright
285.8Bright
295.8Bright
305.9Bright
Planning a trip in April

Hazard calendar for Coimbra

In seasonPeak

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

Coimbra'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 April a good time to visit Coimbra?

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

6.1
Sightseeing
7th-best month of the year
2.6
Beach & pool
7th-best month of the year

April is a reasonable time to visit Coimbra for sightseeing.

What to pack for Coimbra in April

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

In April, Coimbra sees daytime highs around 19°C and nights near 10°C. Worth packing: rain gear and sun protection. About 11 days see rain.

rain gearsun protection

Sea temperature near Coimbra in April

The nearest coast averages about 15°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 40 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
Jan14Bracing
Feb14Bracing
Mar14Bracing
Apr15Bracing
May16Cool
Jun18Cool
Jul18Cool
Aug18Cool
Sep18Cool
Oct17Cool
Nov16Cool
Dec15Bracing

UV index in Coimbra in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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 Coimbra peaks around July 14 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 highHighModerateLowJul 14UV 9Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5High
Apr7High
May7High
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct5Moderate
Nov2Moderate
Dec2Low

Air quality in Coimbra in April

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Coimbra is worst in October — around 29 µg/m³ PM2.5 (moderate), about 3.9× the cleanest month (November, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateModerateGoodOct 1228 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar13Moderate
Apr11Good
May8Good
Jun21Moderate
Jul9Good
Aug24Moderate
Sep23Moderate
Oct29Moderate
Nov7Good
Dec7Good
Location & terrain

Where is Coimbra?

Coimbra sits at 40.2°N, 8.4°W, 59 m above sea level, in Portugal. The nearest listed city is Santo António dos Olivais, 2.0 km away.

Topography around Coimbra

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

Within 3 km, the terrain around Coimbra has significant variations in elevation — a maximum elevation change of 252 m around an average of 78 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 532 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,993 m.

The land around Coimbra is covered by trees (47%) and artificial surfaces (38%) within 3 km, trees (70%) within 16 km, and trees (55%) and grassland (21%) within 80 km.

3 km
252 m
16 km
532 m
80 km
1,993 m
treesshrubsgrasslandcroplandartificial surfaceswater
April weather nearby: Santo António dos Olivais 2.0 km · São Martinho do Bispo 3.0 km · Eiras 5.0 km · São Paulo de Frades 5.0 km · Ribeira de Frades 5.0 km · Condeixa-a-Nova 12 km · Pombal 37 km · Figueira da Foz 38 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 Coimbra (40.2069°, -8.42°, elevation 59 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).