Annaba weather in May

In May, Annaba sees average daytime highs of 24°C and overnight lows near 16°C, with 36 mm of rain across 6 wet days and about 13.9 hours of daylight. It is the 6th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 22°C in the first days to 25°C by the end. The sky is clear or mostly clear about 52% of the time in May, and the air most often feels comfortable.

Daylight stretches from about 13 h 30 min at the start of May to 14 h 18 min by month's end. Set against the rest of the year, May is Annaba's 5th-clearest and 7th-windiest month. For the whole year in context, see Annaba's year-round climate.

Daytime high
24°
6th warmest
Overnight low
16°
7th coldest
Rainfall
36 mm
6 wet days
Daylight
14 hours
5:26 AM – 7:24 PM
Cloud cover
41%
5th clearest
Wind
11 km/h
7th windiest
Solar energy
6.61 kWh/m²
Travel score
7.8
out of 10

Annaba is city in Algeria.

Density
6,994/km²
people per km²

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 25°C by the end.

A typical May day in Annaba reaches about 24°C in the afternoon and slips back to 16°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 28°C. Set against its neighbours, May runs about 4°C warmer than April and about 4°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12214
22215
32215
42215
52215
62215
72215
82315
92315
102316
112316
122316
132316
142316
152316
162416
172416
182416
192417
202417
212417
222417
232417
242517
252517
262517
272518
282518
292518
302518
312618

How May really feels in Annaba

Once humidity and wind are folded in, May averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Annaba weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan15° / 8811.99.84.6
Feb15° / 7511.310.64.6
Mar17° / 11°669.811.75.8
Apr20° / 13°589.212.96.5
May24° / 16°36613.97.8
Jun28° / 20°102.214.57.7
Jul31° / 23°20.514.36.3
Aug31° / 24°112.213.45.7
Sep28° / 22°416.812.36.6
Oct25° / 18°598.9117.2
Nov20° / 14°9012.4106.1
Dec17° / 11°9112.29.55.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% 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 32%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26337
36337
46436
56535
66535
76634
86733
96733
106733
116832
126832
136931
146832
156931
166931
176931
186931
197030
206931
217030
227030
237030
247030
257030
267030
277129
287030
297129
307129
317228

Chance of precipitation in May

Any precipitation

Annaba gets around 36 mm of rain over 6 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 19% and peaks near 29% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
129
228
327
426
525
624
723
822
921
1020
1119
1218
1318
1417
1517
1617
1717
1817
1917
2017
2117
2217
2317
2417
2517
2617
2717
2816
2916
3016
3116

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the comfortable band about 42% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14446100
24346110
34246120
44145130
54045140
64045150
73945160
83844170
93744180
103744190
113644200
123544200
133544211
143443221
153343231
163343241
173242251
183142261
193042271
202941281
212841302
222641322
232440332
242340352
252140362
262040383
271840393
281640414
291539424
301339434
311239445

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
812calm
912calm
1012calm
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 30 min at the start of May to 14 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over May. Sunrise moves from 5:41 AM to 5:17 AM, and sunset from 7:11 PM to 7:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:417:11
213.55:407:12
313.65:397:13
413.65:387:14
513.65:377:15
613.75:367:15
713.75:357:16
813.75:347:17
913.85:337:18
1013.85:327:19
1113.85:317:20
1213.85:307:21
1313.95:297:22
1413.95:287:22
1513.95:277:23
1614.05:267:24
1714.05:257:25
1814.05:257:26
1914.05:247:27
2014.15:237:27
2114.15:227:28
2214.15:227:29
2314.15:217:30
2414.25:207:31
2514.25:207:31
2614.25:197:32
2714.25:197:33
2814.35:187:34
2914.35:187:34
3014.35:177:35
3114.35:177:36

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.61 kWh/m².

For context, solar energy here swings from a low near 2.13 kWh/m² to a high of 7.43 kWh/m² in July across the year — May's 6.61 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.3Intense
46.3Intense
56.3Intense
66.4Intense
76.4Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.6Intense
136.6Intense
146.6Intense
156.6Intense
166.6Intense
176.6Intense
186.6Intense
196.7Intense
206.7Intense
216.7Intense
226.7Intense
236.7Intense
246.7Intense
256.8Intense
266.8Intense
276.8Intense
286.8Intense
296.8Intense
306.9Intense
316.9Intense
Planning a trip in May

Hazard calendar for Annaba

In seasonPeak

None of Annaba's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Annaba's rainy season runs September–April, when most of the year's rain falls.

Annaba sees seasonal dust haze (June), heaviest in June.

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

Is May a good time to visit Annaba?

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

7.8
Sightseeing
1st-best month of the year
6.3
Beach & pool
6th-best month of the year

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

What to pack for Annaba in May

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

In May, Annaba sees daytime highs around 24°C and nights near 16°C. Pack sun protection. Worth having: light clothes. About 6 days see rain.

sun protectionlight clothes

Sea temperature near Annaba in May

The nearest coast averages about 18°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 26°C and coldest in February near 15°C.

It's comfortable for a long swim from May 31 to Nov 17 — about 5.6 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Bracing
Mar15Cool
Apr16Cool
May18Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov20Refreshing
Dec17Cool

UV index in Annaba 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 Annaba peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 15UV 9Dec 19UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar6High
Apr6High
May7High
Jun8Very high
Jul9Very high
Aug7High
Sep7High
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Annaba 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 Annaba is worst in August — around 47 µg/m³ PM2.5 (poor), about 2.0× the cleanest month (May, 24 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateAug 1645 µg/m³May 2224 µg/m³
PM2.5 (µg/m³)Level
Jan27Moderate
Feb29Moderate
Mar29Moderate
Apr30Moderate
May24Moderate
Jun25Moderate
Jul31Moderate
Aug47Poor
Sep27Moderate
Oct27Moderate
Nov26Moderate
Dec29Moderate
Location & terrain

Where is Annaba?

Annaba sits at 36.9°N, 7.8°E, 5 m above sea level, in Algeria. The nearest listed city is Sidi Amar, 10 km away.

Topography around Annaba

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

Within 3 km, the terrain around Annaba has only modest variations in elevation — a maximum elevation change of 195 m around an average of 10 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,001 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,397 m.

The land around Annaba is covered by water (49%) and artificial surfaces (37%) within 3 km, water (48%) and trees (22%) within 16 km, and water (36%) and trees (25%) within 80 km.

3 km
195 m
16 km
1,001 m
80 km
1,397 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Sidi Amar 10 km · El Hadjar 11 km · Ahmed Bel Hadj 18 km · Ben Mehidi 19 km · Besbes 23 km · Drean 24 km · Berrahal 29 km · Héliopolis 53 km

Algeria travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 33% of US
price level, 2025
GDP per capita
$6,051
2025
Happiness
5.7 / 10
World Happiness, 2025
Safe drinking water
69%
of population, 2024
Homicide rate
1.2
per 100k, 2023
Road deaths
20.9
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 468
Religion
Muslim 99%

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 Annaba (36.9°, 7.7667°, elevation 5 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).