As Sallūm weather in December

In December, As Sallūm sees average daytime highs of 18°C and overnight lows near 13°C, with 15 mm of rain across 3.1 wet days and about 10 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 20°C in the first days to 17°C by the end. The sky is clear or mostly clear about 55% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 06 min at the start of December to 10 hours by month's end. Set against the rest of the year, December is As Sallūm's 12th-clearest and 3rd-windiest month. For the whole year in context, see As Sallūm's year-round climate.

Daytime high
18°
10th warmest
Overnight low
13°
4th coldest
Rainfall
15 mm
3.1 wet days
Daylight
10 hours
7:17 AM – 5:14 PM
Cloud cover
41%
12th clearest
Wind
20 km/h
3rd windiest
Solar energy
2.99 kWh/m²
Travel score
7.1
out of 10

As Sallūm is town in Egypt.

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 20°C in the first days to 17°C by the end.

A typical December day in As Sallūm reaches about 18°C in the afternoon and slips back to 13°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 20°C. Set against its neighbours, December runs about 4°C cooler than November and about 2°C warmer than January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12014
22014
32014
41914
51914
61914
71914
81914
91913
101913
111913
121813
131813
141813
151813
161813
171813
181812
191812
201812
211812
221812
231712
241712
251712
261712
271712
281712
291712
301711
311711

As Sallūm weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan17° / 11°203.910.26.4
Feb17° / 11°112.610.86.8
Mar19° / 13°51.411.87.8
Apr21° / 15°30.712.78.6
May24° / 18°20.413.69.2
Jun27° / 21°00149.2
Jul29° / 23°0013.88.2
Aug29° / 24°0013.27.7
Sep28° / 23°10.212.28.4
Oct26° / 20°51.411.28.8
Nov22° / 16°122.310.48.2
Dec18° / 13°153.1107.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of December, with mostly cloudy or overcast conditions the remaining 25%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17327
27327
37327
47327
57228
67228
77228
87327
97327
107327
117327
127426
137426
147426
157426
167426
177426
187525
197525
207525
217525
227624
237624
247624
257624
267723
277822
287822
297921
307822
317822

Chance of precipitation in December

Any precipitation

As Sallūm gets around 15 mm of rain over 3.1 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 10% and peaks near 14% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
18
28
38
48
58
68
78
88
98
108
118
129
139
149
1510
1610
1710
1811
1911
2011
2111
2212
2312
2412
2512
2613
2713
2813
2913
3014
3114

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
187121
288111
389110
490100
59190
69190
79280
89370
99370
109460
119550
129550
139640
149640
159730
169730
179820
189820
199820
209820
219910
229910
239910
249910
259910
269910
279910
289910
299910
309910
319910

Wind in December

Winds average 20 km/h in December.

Across December, daily wind ranges from about 18 km/h on the calmest days to 21 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
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1320light breeze
1420light breeze
1520light breeze
1620light breeze
1720light breeze
1820light breeze
1920light breeze
2020light breeze
2120light breeze
2220breezy
2320breezy
2420breezy
2520breezy
2620breezy
2720breezy
2820breezy
2921breezy
3021breezy
3121breezy

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 06 min at the start of December to 10 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 7:06 AM to 7:23 AM, and sunset from 5:12 PM to 5:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.17:065:12
210.17:075:12
310.17:085:12
410.17:095:12
510.07:095:12
610.07:105:12
710.07:115:12
810.07:125:12
910.07:125:12
1010.07:135:13
1110.07:145:13
1210.07:145:13
1310.07:155:13
1410.07:165:14
1510.07:165:14
1610.07:175:14
179.97:175:14
189.97:185:15
199.97:195:15
209.97:195:16
219.97:205:16
229.97:205:17
239.97:215:17
249.97:215:18
259.97:215:18
269.97:225:19
279.97:225:19
2810.07:235:20
2910.07:235:20
3010.07:235:21
3110.07:235:22

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.99 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.99 kWh/m² to a high of 7.96 kWh/m² in June across the year — December's 2.99 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.1Moderate
23.1Moderate
33.1Moderate
43.1Moderate
53.1Moderate
63.1Moderate
73.0Moderate
83.0Moderate
93.0Moderate
103.0Moderate
113.0Moderate
123.0Moderate
133.0Moderate
143.0Moderate
153.0Moderate
163.0Moderate
173.0Moderate
183.0Moderate
193.0Moderate
203.0Moderate
213.0Moderate
223.0Moderate
233.0Moderate
243.0Moderate
253.0Moderate
263.0Moderate
273.0Moderate
283.0Moderate
293.0Moderate
303.0Moderate
313.1Moderate
Planning a trip in December

Hazard calendar for As Sallūm

In seasonPeak

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

As Sallūm sees seasonal dust haze (April–May), heaviest in April.

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

Is December a good time to visit As Sallūm?

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

7.1
Sightseeing
10th-best month of the year
2.5
Beach & pool
10th-best month of the year

December is one of the better times to visit As Sallūm for general sightseeing.

What to pack for As Sallūm in December

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

In December, As Sallūm sees daytime highs around 18°C and nights near 13°C. Little to plan around — just the basics. About 3 days see rain.

Sea temperature near As Sallūm in December

The nearest coast averages about 20°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 22 km away) is warmest in August at about 27°C and coldest in March near 17°C.

It's comfortable for a long swim from May 16 to Dec 17 — about 7.1 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan18Cool
Feb17Cool
Mar17Cool
Apr18Cool
May20Refreshing
Jun23Refreshing
Jul26Warm
Aug27Warm
Sep27Warm
Oct25Warm
Nov23Refreshing
Dec20Refreshing

UV index in As Sallūm in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in As Sallūm peaks around August 13 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeExtremeVery highHighModerateAug 13UV 10Jan 11UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr9Very high
May9Very high
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep9Very high
Oct7High
Nov5Moderate
Dec3Moderate

Air quality in As Sallūm in December

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in As Sallūm is worst in January — around 33 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (July, 11 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateJan 1832 µg/m³Jul 2011 µg/m³
PM2.5 (µg/m³)Level
Jan33Moderate
Feb26Moderate
Mar27Moderate
Apr24Moderate
May18Moderate
Jun14Moderate
Jul11Good
Aug12Good
Sep12Good
Oct13Moderate
Nov18Moderate
Dec20Moderate
Location & terrain

Where is As Sallūm?

As Sallūm sits at 31.6°N, 25.2°E, 5 m above sea level, in Egypt. The nearest listed city is Sīdī Barānī, 73 km away.

Sīdī BarānīAn-NajaylahMarsá MaţrūḩSiwaEl Dabaa

Topography around As Sallūm

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

Within 3 km, the terrain around As Sallūm has only modest variations in elevation — a maximum elevation change of 188 m around an average of 72 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 210 m; within 80 km, significant variations in elevation — a maximum elevation change of 250 m.

The land around As Sallūm is covered by bare terrain (60%) and water (29%) within 3 km, bare terrain (60%) and water (34%) within 16 km, and bare terrain (70%) and water (27%) within 80 km.

3 km
188 m
16 km
210 m
80 km
250 m
grasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Sīdī Barānī 73 km · Tobruk 128 km · An-Najaylah 136 km · Marsá Maţrūḩ 198 km · Siwa 264 km · Darnah 273 km · Al Qubbah 305 km · El Dabaa 318 km

Egypt travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
220 V · 50 Hz
Prices
≈ 15% of US
price level, 2025
GDP per capita
$3,086
2025
Happiness
3.9 / 10
World Happiness, 2025
Safe drinking water
79%
of population, 2024
Homicide rate
1.3
per 100k, 2017
Road deaths
10.1
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Low
EF EPI 459
Religion
Muslim 90%Christian 10%

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 As Sallūm (31.5537°, 25.1579°, 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).