Sig weather in May

In May, Sig sees average daytime highs of 26°C and overnight lows near 15°C, with 27 mm of rain across 4.3 wet days and about 13.8 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 28°C by the end. The sky is clear or mostly clear about 52% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 24 min at the start of May to 14 h 12 min by month's end. Set against the rest of the year, May is Sig's 5th-clearest and 7th-windiest month. For the whole year in context, see Sig's year-round climate.

Daytime high
26°
5th warmest
Overnight low
15°
7th coldest
Rainfall
27 mm
4.3 wet days
Daylight
13 h 54 min
6:01 AM – 7:53 PM
Cloud cover
41%
5th clearest
Wind
8 km/h
7th windiest
Solar energy
6.95 kWh/m²
Travel score
7.9
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 24°C in the first days to 28°C by the end.

A typical May day in Sig reaches about 26°C in the afternoon and slips back to 15°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 31°C. Set against its neighbours, May runs about 4°C warmer than April and about 4°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12413
22413
32413
42413
52413
62513
72513
82514
92514
102514
112514
122514
132514
142614
152614
162615
172615
182615
192615
202615
212715
222715
232715
242715
252716
262716
272716
282816
292816
302816
312816

How May really feels in Sig

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.

Sig weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan16° / 438.19.95.6
Feb17° / 397.210.76.1
Mar20° / 43711.76.9
Apr22° / 11°406.512.97.5
May26° / 15°274.313.87.9
Jun30° / 18°71.414.46.3
Jul34° / 21°10.114.24.2
Aug34° / 22°60.813.34.0
Sep30° / 19°193.712.26.0
Oct26° / 15°325.511.17.7
Nov20° / 11°517.410.16.9
Dec17° / 386.79.66.2

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 19% of May, with mostly cloudy or overcast conditions the remaining 29%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27129
37228
47129
57129
67129
77129
87129
97129
107129
117129
127030
137030
147030
157030
167129
177030
187030
197030
207030
217030
227129
237030
247129
257228
267228
277327
287327
297426
307525
317525

Chance of precipitation in May

Any precipitation

Sig gets around 27 mm of rain over 4.3 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 14% and peaks near 19% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
119
218
318
418
517
617
717
817
916
1016
1116
1216
1315
1415
1514
1614
1714
1813
1913
2012
2112
2211
2311
2411
2510
2610
279
289
298
308
318

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 62% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1782020
2772120
3762130
4762130
5752140
6742150
7722260
8712261
9702271
10692371
11682381
12662491
13662491
146425101
156425101
166226111
176226111
186027121
196027121
205828131
215729131
225530141
235331151
245232151
255033161
264933171
274834181
284634181
294535191
304435192
314336202

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 8 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
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 24 min at the start of May to 14 h 12 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 6:15 AM to 5:52 AM, and sunset from 7:41 PM to 8:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.46:157:41
213.56:147:41
313.56:137:42
413.56:127:43
513.56:117:44
613.66:107:45
713.66:097:46
813.66:087:46
913.76:077:47
1013.76:067:48
1113.76:057:49
1213.86:047:50
1313.86:037:51
1413.86:037:51
1513.86:027:52
1613.96:017:53
1713.96:007:54
1813.95:597:55
1913.95:597:55
2014.05:587:56
2114.05:577:57
2214.05:577:58
2314.05:567:59
2414.15:567:59
2514.15:558:00
2614.15:548:01
2714.15:548:01
2814.15:538:02
2914.25:538:03
3014.25:538:04
3114.25:528:04

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.95 kWh/m².

For context, solar energy here swings from a low near 2.51 kWh/m² to a high of 7.62 kWh/m² in June across the year — May's 6.95 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.6Intense
36.6Intense
46.6Intense
56.7Intense
66.7Intense
76.7Intense
86.8Intense
96.8Intense
106.8Intense
116.8Intense
126.9Intense
136.9Intense
146.9Intense
156.9Intense
167.0Intense
177.0Intense
187.0Intense
197.0Intense
207.1Intense
217.1Intense
227.1Intense
237.1Intense
247.2Intense
257.2Intense
267.2Intense
277.2Intense
287.3Intense
297.3Intense
307.3Intense
317.3Intense
Planning a trip in May

Hazard calendar for Sig

In seasonPeak

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

Sig sees seasonal dust haze (June–August), heaviest in July.

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

Is May a good time to visit Sig?

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

7.9
Sightseeing
1st-best month of the year
7.5
Beach & pool
5th-best month of the year

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

What to pack for Sig in May

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

In May, Sig sees daytime highs around 26°C and nights near 15°C. Pack sun protection. Worth having: light clothes. About 4 days see rain.

sun protectionlight clothes

Sea temperature near Sig 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 at the nearest coast (about 39 km away) is warmest in August at about 25°C and coldest in February near 15°C.

It's comfortable for a long swim from Jun 7 to Nov 1 — about 4.9 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar16Cool
Apr17Cool
May18Cool
Jun21Refreshing
Jul23Refreshing
Aug25Warm
Sep24Refreshing
Oct21Refreshing
Nov19Cool
Dec17Cool

UV index in Sig in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sig peaks around July 18 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 18UV 9Dec 19UV 2
UV index (midday)Level
Jan3Moderate
Feb3Moderate
Mar7High
Apr7High
May8Very high
Jun8Very high
Jul10Very high
Aug9Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Moderate

Air quality in Sig 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 Sig is worst in September — around 31 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1530 µg/m³May 2321 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb26Moderate
Mar30Moderate
Apr25Moderate
May21Moderate
Jun21Moderate
Jul26Moderate
Aug28Moderate
Sep31Moderate
Oct27Moderate
Nov23Moderate
Dec23Moderate
Location & terrain

Where is Sig?

Sig sits at 35.5°N, 0.2°W, 62 m above sea level, in Algeria. The nearest listed city is Mohammadia, 25 km away.

Topography around Sig

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

Within 3 km, the terrain around Sig has significant variations in elevation — a maximum elevation change of 384 m around an average of 98 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 738 m; within 80 km, large variations in elevation — a maximum elevation change of 1,197 m.

The land around Sig is covered by grassland (29%), cropland (23%) and trees (20%) within 3 km, grassland (41%) and cropland (33%) within 16 km, and cropland (42%), grassland (23%) and water (20%) within 80 km.

3 km
384 m
16 km
738 m
80 km
1,197 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Mohammadia 25 km · Bou Hanifia el Hamamat 27 km · Aïn el Bya 32 km · Sfizef 33 km · Sidi ech Chahmi 33 km · Assi Bou Nif 33 km · Mascara 34 km · ’Aïn el Berd 34 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 Sig (35.5283°, -0.1937°, elevation 62 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).