Porto-Novo weather in April

In April, Porto-Novo sees average daytime highs of 30°C and overnight lows near 26°C, with 98 mm of rain across 19 wet days and about 12.1 hours of daylight. It is the 2nd-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 11% of the time in April, and the air most often feels miserable.

Daylight stretches from about 12 h 06 min at the start of April to 12 h 12 min by month's end. Set against the rest of the year, April is Porto-Novo's 7th-clearest and 4th-windiest month. For the whole year in context, see Porto-Novo's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
26°
11th coldest
Rainfall
98 mm
19 wet days
Daylight
12 h 06 min
6:46 AM – 6:54 PM
Cloud cover
74%
7th clearest
Wind
13 km/h
4th windiest
Solar energy
5.26 kWh/m²
Travel score
3.7
out of 10

Porto-Novo is capital of Benin.

Density
5,083/km²
people per km²
Founded
1550

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 30°C through the month.

A typical April day in Porto-Novo reaches about 30°C in the afternoon and slips back to 26°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 31°C. Set against its neighbours, April runs on par with March and on par with May.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13026
23026
33026
43026
53026
63026
73026
83026
93026
103026
113026
123026
133026
143026
153026
163026
173026
183026
193026
203026
213026
223026
233026
243026
253026
263026
273026
283026
293026
303026

How April really feels in Porto-Novo

Once humidity and wind are folded in, April averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Porto-Novo weather by month

How April compares with the rest of the year at a glance. April is the 2nd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 25°298.411.75.5
Feb30° / 26°4011.111.84.6
Mar31° / 26°7317.5123.9
Apr30° / 26°981912.13.7
May30° / 25°17124.912.33.3
Jun28° / 25°22926.212.43.5
Jul27° / 24°14021.412.34.5
Aug27° / 24°9816.312.25.3
Sep28° / 24°14422.3124.3
Oct29° / 24°15525.411.93.6
Nov30° / 25°7518.711.74.1
Dec30° / 25°3710.511.65.3

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 20% of April, with mostly cloudy or overcast conditions the remaining 69%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13763
23862
33862
43862
53862
63862
73862
83763
93763
103664
113565
123367
133367
143169
153070
162971
172872
182872
192773
202773
212674
222674
232575
242674
252575
262575
272476
282476
292377
302377

Chance of precipitation in April

Any precipitation

Porto-Novo gets around 98 mm of rain over 19 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 63% and peaks near 72% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
158
258
358
458
559
659
759
859
960
1060
1160
1261
1361
1461
1562
1662
1762
1863
1964
2064
2165
2266
2367
2468
2568
2669
2770
2870
2971
3072

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the miserable band about 96% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1496
2496
3496
4496
5496
6496
7496
8496
9496
10496
11496
12595
13595
14595
15595
16595
17595
18496
19496
20496
21496
22496
23496
24496
25496
26595
27595
28595
29595
30595

Wind in April

Winds average 13 km/h in April.

Across April, daily wind ranges from about 12 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light 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
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712calm
2812calm
2912calm
3012calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 06 min at the start of April to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over April. Sunrise moves from 6:53 AM to 6:40 AM, and sunset from 6:56 PM to 6:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:536:56
212.16:526:56
312.16:526:56
412.16:516:55
512.16:516:55
612.16:506:55
712.16:506:55
812.16:496:55
912.16:496:55
1012.16:486:55
1112.16:486:55
1212.16:476:54
1312.16:476:54
1412.16:466:54
1512.16:466:54
1612.16:466:54
1712.16:456:54
1812.26:456:54
1912.26:446:54
2012.26:446:54
2112.26:436:54
2212.26:436:54
2312.26:436:54
2412.26:426:54
2512.26:426:54
2612.26:426:54
2712.26:416:54
2812.26:416:54
2912.26:416:54
3012.26:406:54

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.26 kWh/m².

For context, solar energy here swings from a low near 4.04 kWh/m² to a high of 5.41 kWh/m² in February across the year — April's 5.26 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.0Bright
Planning a trip in April

Hazard calendar for Porto-Novo

In seasonPeak

In April, Porto-Novo sits inside its dust season. The full year is below, with each hazard's peak months called out.

Porto-Novo sees seasonal dust haze (January–April), heaviest in February.

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

Is April a good time to visit Porto-Novo?

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

3.7
Sightseeing
9th-best month of the year
5.2
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Porto-Novo.

What to pack for Porto-Novo in April

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

In April, Porto-Novo sees daytime highs around 30°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

Sea temperature near Porto-Novo in April

The nearest coast averages about 29°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 14 km away) is warmest in May at about 29°C and coldest in August near 25°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun28Warm
Jul26Warm
Aug25Warm
Sep26Warm
Oct27Warm
Nov29Tropical
Dec28Tropical

UV index in Porto-Novo in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Porto-Novo peaks around April 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 8 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeExtremeVery highApr 10UV 13Dec 19UV 8
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar12Extreme
Apr13Extreme
May11Extreme
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov9Very high
Dec8Very high

Air quality in Porto-Novo 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 Porto-Novo is worst in January — around 102 µg/m³ PM2.5 (unhealthy), about 4.2× the cleanest month (August, 25 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyJan 16100 µg/m³Aug 1425 µg/m³
PM2.5 (µg/m³)Level
Jan102Unhealthy
Feb86Unhealthy
Mar47Poor
Apr44Poor
May33Moderate
Jun30Moderate
Jul27Moderate
Aug25Moderate
Sep29Moderate
Oct39Poor
Nov46Poor
Dec89Unhealthy
Location & terrain

Where is Porto-Novo?

Porto-Novo sits at 6.5°N, 2.6°E, 20 m above sea level, in Benin. The nearest listed city is Missérété, 7.0 km away.

Topography around Porto-Novo

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

Within 3 km, the terrain around Porto-Novo has only modest variations in elevation — a maximum elevation change of 31 m around an average of 17 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 65 m; within 80 km, only modest variations in elevation — a maximum elevation change of 171 m.

The land around Porto-Novo is covered by artificial surfaces (73%) within 3 km, trees (36%) and wetland (21%) within 16 km, and trees (36%) and water (31%) within 80 km.

3 km
31 m
16 km
65 m
80 km
171 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
April weather nearby: Missérété 7.0 km · Adjarra 8.0 km · Avrankou 8.0 km · Ekpé 14 km · Semi 15 km · Banigbé 20 km · Ganvié 24 km · Cotonou 25 km

Benin travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$1,658
2025
Happiness
4.4 / 10
World Happiness, 2025
Safe drinking water
18%
of population, 2024
Homicide rate
1.1
per 100k, 2017
Road deaths
26.8
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 406
Religion
Muslim 28%Roman Catholic 26%Protestant 14%Vodoun 12%

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 Porto-Novo (6.4965°, 2.6036°, elevation 20 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).