Guemar weather in May

In May, Guemar sees average daytime highs of 33°C and overnight lows near 20°C, with 3 mm of rain across 0.7 wet days and about 13.7 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 31°C in the first days to 35°C by the end. The sky is clear or mostly clear about 68% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 18 min at the start of May to 14 hours by month's end. Set against the rest of the year, May is Guemar's 11th-clearest and 1st-windiest month. For the whole year in context, see Guemar's year-round climate.

Daytime high
33°
5th warmest
Overnight low
20°
8th coldest
Rainfall
3 mm
0.7 wet days
Daylight
13 h 42 min
5:37 AM – 7:21 PM
Cloud cover
29%
11th clearest
Wind
18 km/h
1st windiest
Solar energy
7.54 kWh/m²
Travel score
4.8
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 31°C in the first days to 35°C by the end.

A typical May day in Guemar reaches about 33°C in the afternoon and slips back to 20°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 38°C. Set against its neighbours, May runs about 5°C warmer than April and about 5°C cooler than June.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
13018
23018
33118
43118
53119
63119
73119
83219
93219
103219
113220
123220
133220
143320
153320
163320
173320
183321
193321
203321
213321
223421
233421
243421
253421
263422
273422
283522
293522
303522
313522

How May really feels in Guemar

Once humidity and wind are folded in, May averages 21 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
21
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Guemar weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan17° / 111.8106.8
Feb19° / 51.410.87.9
Mar23° / 11°101.911.78.7
Apr27° / 15°91.212.88.0
May33° / 20°30.713.74.8
Jun38° / 25°20.114.21.5
Jul41° / 27°00.1140.0
Aug40° / 27°10.413.20.2
Sep35° / 24°91.412.23.1
Oct29° / 18°61.211.26.9
Nov22° / 12°91.510.38.5
Dec17° / 71.99.87.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 68% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 11% of May, with mostly cloudy or overcast conditions the remaining 21%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18218
28218
38218
48218
58218
68218
78119
88119
98119
108119
118020
128020
137921
147921
157822
167822
177822
187624
197624
207624
217624
227723
237723
247723
257822
267822
277822
287921
298119
308119
318218

Chance of precipitation in May

Any precipitation

Guemar gets around 3 mm of rain over 0.7 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 2% and peaks near 3% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
12
22
32
42
52
62
72
82
92
102
112
122
132
142
152
162
172
182
193
203
213
223
233
243
253
263
272
282
292
302
312

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 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19640
29640
39640
49640
59730
69730
79730
89730
99730
109640
119640
129640
139550
149550
159460
169370
179370
189280
199190
209190
2190100
2289110
2389110
2488120
2588120
2687130
2787130
2887130
2987130
3085141
3185141

Wind in May

Winds average 18 km/h in May, the windiest month of the year.

Across May, daily wind ranges from about 18 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 18 min at the start of May to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over May. Sunrise moves from 5:51 AM to 5:29 AM, and sunset from 7:09 PM to 7:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:517:09
213.35:507:10
313.45:497:11
413.45:487:12
513.45:477:13
613.55:467:13
713.55:457:14
813.55:447:15
913.55:437:16
1013.65:427:16
1113.65:417:17
1213.65:407:18
1313.75:407:19
1413.75:397:19
1513.75:387:20
1613.75:377:21
1713.85:377:22
1813.85:367:22
1913.85:357:23
2013.85:357:24
2113.85:347:25
2213.95:337:25
2313.95:337:26
2413.95:327:27
2513.95:327:27
2613.95:317:28
2714.05:317:29
2814.05:307:29
2914.05:307:30
3014.05:297:31
3114.05:297:31

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.54 kWh/m².

For context, solar energy here swings from a low near 3.1 kWh/m² to a high of 7.94 kWh/m² in June across the year — May's 7.54 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.4Intense
27.4Intense
37.5Intense
47.5Intense
57.5Intense
67.5Intense
77.5Intense
87.5Intense
97.5Intense
107.5Intense
117.5Intense
127.5Intense
137.5Intense
147.5Intense
157.5Intense
167.5Intense
177.5Intense
187.5Intense
197.5Intense
207.5Intense
217.5Intense
227.6Intense
237.6Intense
247.6Intense
257.6Intense
267.6Intense
277.6Intense
287.7Intense
297.7Intense
307.7Intense
317.7Intense
Planning a trip in May

Hazard calendar for Guemar

In seasonPeak

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

Guemar sees seasonal dust haze (March–September), heaviest in June.

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

Is May a good time to visit Guemar?

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

4.8
Sightseeing
8th-best month of the year
8.0
Beach & pool
3rd-best month of the year

May is a reasonable time to visit Guemar for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Guemar in May

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

In May, Guemar sees daytime highs around 33°C and nights near 20°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Guemar 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 Guemar peaks around June 20 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 20UV 9Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb5High
Mar7High
Apr5High
May7High
Jun10Very high
Jul9Very high
Aug8Very high
Sep8Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Guemar 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 Guemar is worst in June — around 76 µg/m³ PM2.5 (unhealthy), about 2.5× the cleanest month (December, 31 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModerateJun 1475 µg/m³Dec 1231 µg/m³
PM2.5 (µg/m³)Level
Jan38Poor
Feb37Poor
Mar53Poor
Apr72Unhealthy
May67Unhealthy
Jun76Unhealthy
Jul59Unhealthy
Aug53Poor
Sep50Poor
Oct38Poor
Nov32Moderate
Dec31Moderate
Location & terrain

Where is Guemar?

Guemar sits at 33.5°N, 6.8°E, 65 m above sea level, in Algeria. The nearest listed city is Reguiba, 12 km away.

Topography around Guemar

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

Within 3 km, the terrain around Guemar has only modest variations in elevation — a maximum elevation change of 21 m around an average of 64 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 81 m; within 80 km, only modest variations in elevation — a maximum elevation change of 182 m.

The land around Guemar is covered by bare terrain (68%) and artificial surfaces (23%) within 3 km, bare terrain (80%) within 16 km, and bare terrain (98%) within 80 km.

3 km
21 m
16 km
81 m
80 km
182 m
treesgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Reguiba 12 km · Debila 15 km · El Oued 16 km · Robbah 25 km · Taïbet 58 km · Sidi Amrane 73 km · Megarine 74 km · Djamaa 75 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 Guemar (33.4853°, 6.7969°, elevation 65 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. 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).