Hassi Messaoud weather in December

In December, Hassi Messaoud sees average daytime highs of 18°C and overnight lows near 7°C, with 4 mm of rain across 1.2 wet days and about 10 hours of daylight. It is the 11th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 17°C by the end. The sky is clear or mostly clear about 73% 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 Hassi Messaoud's 8th-clearest and 11th-windiest month. For the whole year in context, see Hassi Messaoud's year-round climate.

Daytime high: 18°; 11th warmest
Overnight low: 7°; 2nd coldest
Rainfall: 4 mm; 1.2 wet days
Daylight: 9 h 54 min; 7:34 AM – 5:30 PM
Cloud cover: 25%; 8th clearest
Wind: 13 km/h; 11th windiest
Solar energy: 3.37 kWh/m²
Travel score: 7.8; out of 10

← November Hassi Messaoud year-round climate January →Best places to visit in December

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 19°C in the first days to 17°C by the end.

A typical December day in Hassi Messaoud reaches about 18°C in the afternoon and slips back to 7°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 22°C. Set against its neighbours, December runs about 5°C cooler than November and about 1°C warmer than January.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	20	20	20	19	19	19	19	19	19	19	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	17	17	17	17
Avg low (°C)	8	8	8	8	8	8	8	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	6	6	6	6	6	6	6

	Avg high (°C)	Avg low (°C)
1	20	8
2	20	8
3	20	8
4	19	8
5	19	8
6	19	8
7	19	8
8	19	7
9	19	7
10	19	7
11	18	7
12	18	7
13	18	7
14	18	7
15	18	7
16	18	7
17	18	7
18	18	7
19	18	7
20	18	7
21	18	7
22	18	7
23	18	7
24	18	7
25	18	6
26	18	6
27	18	6
28	17	6
29	17	6
30	17	6
31	17	6

How December really feels in Hassi Messaoud

Once humidity and wind are folded in, December 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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

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

Hassi Messaoud weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 4th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	17° / 6°	5	1.2	10.2	7.4
Feb	20° / 8°	3	0.8	10.8	8.4
Mar	24° / 12°	5	1	11.8	8.9
Apr	29° / 16°	3	0.6	12.8	7.2
May	34° / 21°	1	0.3	13.6	3.8
Jun	39° / 26°	0	0.1	14	0.7
Jul	42° / 28°	0	0	13.9	0.0
Aug	41° / 28°	0	0	13.2	0.0
Sep	37° / 24°	2	0.4	12.2	2.1
Oct	30° / 18°	3	0.8	11.2	6.3
Nov	23° / 11°	5	1.2	10.4	8.7
Dec	18° / 7°	4	1.2	10	7.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 73% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 10% of December, with mostly cloudy or overcast conditions the remaining 17%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	82	82	82	82	82	82	83	83	83	83	83	83	82	82	82	82	83	83	83	84	84	83	84	84	84	85	86	86	87	87	87
Cloudier (%)	18	18	18	18	18	18	17	17	17	17	17	17	18	18	18	18	17	17	17	16	16	17	16	16	16	15	14	14	13	13	13

	Clearer (%)	Cloudier (%)
1	82	18
2	82	18
3	82	18
4	82	18
5	82	18
6	82	18
7	83	17
8	83	17
9	83	17
10	83	17
11	83	17
12	83	17
13	82	18
14	82	18
15	82	18
16	82	18
17	83	17
18	83	17
19	83	17
20	84	16
21	84	16
22	83	17
23	84	16
24	84	16
25	84	16
26	85	15
27	86	14
28	86	14
29	87	13
30	87	13
31	87	13

Chance of precipitation in December

Any precipitation

Hassi Messaoud gets around 4 mm of rain over 1.2 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 4% and peaks near 4% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	4	4	3	3	3	3	3	3	3	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	3	3	3	3	3

	Rain chance (%)
1	4
2	4
3	3
4	3
5	3
6	3
7	3
8	3
9	3
10	4
11	4
12	4
13	4
14	4
15	4
16	4
17	4
18	4
19	4
20	4
21	4
22	4
23	4
24	4
25	4
26	4
27	3
28	3
29	3
30	3
31	3

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

Wind in December

Winds average 13 km/h in December.

Across December, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	14	14	14	14	14	14	14	14	14	14	14
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

	Wind speed (km/h)	Feels
1	13	light breeze
2	13	light breeze
3	13	light breeze
4	13	light breeze
5	13	light breeze
6	13	light breeze
7	13	light breeze
8	13	light breeze
9	13	light breeze
10	13	light breeze
11	13	light breeze
12	13	light breeze
13	13	light breeze
14	13	light breeze
15	13	light breeze
16	13	light breeze
17	13	light breeze
18	13	light breeze
19	13	light breeze
20	13	light breeze
21	14	light breeze
22	14	light breeze
23	14	light breeze
24	14	light breeze
25	14	light breeze
26	14	light breeze
27	14	light breeze
28	14	light breeze
29	14	light breeze
30	14	light breeze
31	14	light breeze

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 7:23 AM to 7:40 AM, and sunset from 5:28 PM to 5:38 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	10.1	10.1	10.1	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	9.9	9.9	9.9	9.9	9.9	9.9	9.9	9.9	9.9	9.9	9.9	9.9	9.9	9.9	9.9	10.0	10.0
Sunrise (AM)	7:23	7:24	7:25	7:25	7:26	7:27	7:28	7:28	7:29	7:30	7:30	7:31	7:32	7:32	7:33	7:34	7:34	7:35	7:35	7:36	7:36	7:37	7:37	7:38	7:38	7:38	7:39	7:39	7:40	7:40	7:40
Sunset (PM)	5:28	5:28	5:28	5:28	5:28	5:28	5:28	5:28	5:28	5:29	5:29	5:29	5:29	5:30	5:30	5:30	5:31	5:31	5:31	5:32	5:32	5:33	5:33	5:34	5:34	5:35	5:35	5:36	5:36	5:37	5:38

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.1	7:23	5:28
2	10.1	7:24	5:28
3	10.1	7:25	5:28
4	10.0	7:25	5:28
5	10.0	7:26	5:28
6	10.0	7:27	5:28
7	10.0	7:28	5:28
8	10.0	7:28	5:28
9	10.0	7:29	5:28
10	10.0	7:30	5:29
11	10.0	7:30	5:29
12	10.0	7:31	5:29
13	10.0	7:32	5:29
14	10.0	7:32	5:30
15	9.9	7:33	5:30
16	9.9	7:34	5:30
17	9.9	7:34	5:31
18	9.9	7:35	5:31
19	9.9	7:35	5:31
20	9.9	7:36	5:32
21	9.9	7:36	5:32
22	9.9	7:37	5:33
23	9.9	7:37	5:33
24	9.9	7:38	5:34
25	9.9	7:38	5:34
26	9.9	7:38	5:35
27	9.9	7:39	5:35
28	9.9	7:39	5:36
29	9.9	7:40	5:36
30	10.0	7:40	5:37
31	10.0	7:40	5:38

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.37 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.37 kWh/m² to a high of 7.97 kWh/m² in June across the year — December's 3.37 kWh/m² sits near the bottom.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	3.5	3.5	3.5	3.5	3.5	3.5	3.4	3.4	3.4	3.4	3.4	3.4	3.4	3.4	3.4	3.3	3.3	3.3	3.3	3.3	3.3	3.3	3.4	3.4	3.4	3.4	3.4	3.4	3.4	3.4	3.5
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	3.5	Moderate
2	3.5	Moderate
3	3.5	Moderate
4	3.5	Moderate
5	3.5	Moderate
6	3.5	Moderate
7	3.4	Moderate
8	3.4	Moderate
9	3.4	Moderate
10	3.4	Moderate
11	3.4	Moderate
12	3.4	Moderate
13	3.4	Moderate
14	3.4	Moderate
15	3.4	Moderate
16	3.3	Moderate
17	3.3	Moderate
18	3.3	Moderate
19	3.3	Moderate
20	3.3	Moderate
21	3.3	Moderate
22	3.3	Moderate
23	3.4	Moderate
24	3.4	Moderate
25	3.4	Moderate
26	3.4	Moderate
27	3.4	Moderate
28	3.4	Moderate
29	3.4	Moderate
30	3.4	Moderate
31	3.5	Moderate

Planning a trip in December

Hazard calendar for Hassi Messaoud

In seasonPeak

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

Hassi Messaoud sees seasonal dust haze (February–October), heaviest in June.

Dust

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is December a good time to visit Hassi Messaoud?

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

7.8

Sightseeing

4th-best month of the year

2.8

Beach & pool

9th-best month of the year

December is one of the better times to visit Hassi Messaoud for general sightseeing.

What to pack for Hassi Messaoud in December

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

In December, Hassi Messaoud sees daytime highs around 18°C and nights near 7°C. Worth packing: a warm layer.

a warm layer

UV index in Hassi Messaoud 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 Hassi Messaoud peaks around June 19 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 3 (moderate).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	4	6	7	7	8	11	10	9	7	6	5	3
Level	Moderate	High	Very high	High	Very high	Extreme	Very high	Very high	Very high	High	Moderate	Moderate

	UV index (midday)	Level
Jan	4	Moderate
Feb	6	High
Mar	7	Very high
Apr	7	High
May	8	Very high
Jun	11	Extreme
Jul	10	Very high
Aug	9	Very high
Sep	7	Very high
Oct	6	High
Nov	5	Moderate
Dec	3	Moderate

Air quality in Hassi Messaoud 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 Hassi Messaoud is worst in April — around 117 µg/m³ PM2.5 (unhealthy), about 2.7× the cleanest month (November, 43 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	45	64	86	117	102	98	66	63	66	56	43	44
Level	Poor	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Poor	Poor

	PM2.5 (µg/m³)	Level
Jan	45	Poor
Feb	64	Unhealthy
Mar	86	Unhealthy
Apr	117	Unhealthy
May	102	Unhealthy
Jun	98	Unhealthy
Jul	66	Unhealthy
Aug	63	Unhealthy
Sep	66	Unhealthy
Oct	56	Unhealthy
Nov	43	Poor
Dec	44	Poor

Location & terrain

Where is Hassi Messaoud?

Hassi Messaoud sits at 31.7°N, 6.1°E, 152 m above sea level, in Algeria. The nearest listed city is Rouissat, 73 km away.

Topography around Hassi Messaoud

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

Within 3 km, the terrain around Hassi Messaoud has only modest variations in elevation — a maximum elevation change of 45 m around an average of 153 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 84 m; within 80 km, only modest variations in elevation — a maximum elevation change of 127 m.

The land around Hassi Messaoud is covered by bare terrain (76%) and artificial surfaces (22%) within 3 km, bare terrain (97%) within 16 km, and bare terrain (99%) within 80 km.

3 km

45 m

bare terrain 76%

16 km

84 m

bare terrain 97%

80 km

127 m

bare terrain 99%

treesartificial surfacesbare terrainwater

← November Hassi Messaoud year-round climate January →Best places to visit in December

December weather nearby: Rouissat 73 km · Ouargla 77 km · El Hadjira 116 km · Taïbet 159 km · Touggourt 159 km · Tebesbest 160 km · Megarine 168 km · Guerara 193 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

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 Hassi Messaoud (31.6804°, 6.0729°, elevation 152 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).

	Avg high (°C)	Avg low (°C)
1	20	8
2	20	8
3	20	8
4	19	8
5	19	8
6	19	8
7	19	8
8	19	7
9	19	7
10	19	7
11	18	7
12	18	7
13	18	7
14	18	7
15	18	7
16	18	7
17	18	7
18	18	7
19	18	7
20	18	7
21	18	7
22	18	7
23	18	7
24	18	7
25	18	6
26	18	6
27	18	6
28	17	6
29	17	6
30	17	6
31	17	6

	Clearer (%)	Cloudier (%)
1	82	18
2	82	18
3	82	18
4	82	18
5	82	18
6	82	18
7	83	17
8	83	17
9	83	17
10	83	17
11	83	17
12	83	17
13	82	18
14	82	18
15	82	18
16	82	18
17	83	17
18	83	17
19	83	17
20	84	16
21	84	16
22	83	17
23	84	16
24	84	16
25	84	16
26	85	15
27	86	14
28	86	14
29	87	13
30	87	13
31	87	13

	Rain chance (%)
1	4
2	4
3	3
4	3
5	3
6	3
7	3
8	3
9	3
10	4
11	4
12	4
13	4
14	4
15	4
16	4
17	4
18	4
19	4
20	4
21	4
22	4
23	4
24	4
25	4
26	4
27	3
28	3
29	3
30	3
31	3

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	20	8
2	20	8
3	20	8
4	19	8
5	19	8
6	19	8
7	19	8
8	19	7
9	19	7
10	19	7
11	18	7
12	18	7
13	18	7
14	18	7
15	18	7
16	18	7
17	18	7
18	18	7
19	18	7
20	18	7
21	18	7
22	18	7
23	18	7
24	18	7
25	18	6
26	18	6
27	18	6
28	17	6
29	17	6
30	17	6
31	17	6

	Clearer (%)	Cloudier (%)
1	82	18
2	82	18
3	82	18
4	82	18
5	82	18
6	82	18
7	83	17
8	83	17
9	83	17
10	83	17
11	83	17
12	83	17
13	82	18
14	82	18
15	82	18
16	82	18
17	83	17
18	83	17
19	83	17
20	84	16
21	84	16
22	83	17
23	84	16
24	84	16
25	84	16
26	85	15
27	86	14
28	86	14
29	87	13
30	87	13
31	87	13

	Rain chance (%)
1	4
2	4
3	3
4	3
5	3
6	3
7	3
8	3
9	3
10	4
11	4
12	4
13	4
14	4
15	4
16	4
17	4
18	4
19	4
20	4
21	4
22	4
23	4
24	4
25	4
26	4
27	3
28	3
29	3
30	3
31	3

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	20	8
2	20	8
3	20	8
4	19	8
5	19	8
6	19	8
7	19	8
8	19	7
9	19	7
10	19	7
11	18	7
12	18	7
13	18	7
14	18	7
15	18	7
16	18	7
17	18	7
18	18	7
19	18	7
20	18	7
21	18	7
22	18	7
23	18	7
24	18	7
25	18	6
26	18	6
27	18	6
28	17	6
29	17	6
30	17	6
31	17	6

	Clearer (%)	Cloudier (%)
1	82	18
2	82	18
3	82	18
4	82	18
5	82	18
6	82	18
7	83	17
8	83	17
9	83	17
10	83	17
11	83	17
12	83	17
13	82	18
14	82	18
15	82	18
16	82	18
17	83	17
18	83	17
19	83	17
20	84	16
21	84	16
22	83	17
23	84	16
24	84	16
25	84	16
26	85	15
27	86	14
28	86	14
29	87	13
30	87	13
31	87	13

	Rain chance (%)
1	4
2	4
3	3
4	3
5	3
6	3
7	3
8	3
9	3
10	4
11	4
12	4
13	4
14	4
15	4
16	4
17	4
18	4
19	4
20	4
21	4
22	4
23	4
24	4
25	4
26	4
27	3
28	3
29	3
30	3
31	3

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100