Sig weather in January

In January, Sig sees average daytime highs of 16°C and overnight lows near 6°C, with 43 mm of rain across 8.1 wet days and about 9.9 hours of daylight. It is the 12th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 16°C through the month. The sky is clear or mostly clear about 45% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 36 min at the start of January to 10 h 12 min by month's end. Set against the rest of the year, January is Sig's 9th-clearest and 4th-windiest month. For the whole year in context, see Sig's year-round climate.

Daytime high: 16°; 12th warmest
Overnight low: 6°; 1st coldest
Rainfall: 43 mm; 8.1 wet days
Daylight: 9 h 48 min; 8:15 AM – 6:05 PM
Cloud cover: 45%; 9th clearest
Wind: 9 km/h; 4th windiest
Solar energy: 2.85 kWh/m²
Travel score: 5.6; out of 10

← December Sig year-round climate February →Best places to visit in January

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 16°C through the month.

A typical January day in Sig reaches about 16°C in the afternoon and slips back to 6°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 20°C. Set against its neighbours, January runs about 1°C cooler than December and about 1°C cooler than February.

	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)	17	17	17	17	17	17	17	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16
Avg low (°C)	7	7	7	7	7	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	7	7	7	7	7	7	7	7	7	7	7

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

How January really feels in Sig

Once humidity and wind are folded in, January 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

January 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 January compares with the rest of the year at a glance. January is the 12th-warmest and 3rd-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	16° / 6°	43	8.1	9.9	5.6
Feb	17° / 7°	39	7.2	10.7	6.1
Mar	20° / 9°	43	7	11.7	6.9
Apr	22° / 11°	40	6.5	12.9	7.5
May	26° / 15°	27	4.3	13.8	7.9
Jun	30° / 18°	7	1.4	14.4	6.3
Jul	34° / 21°	1	0.1	14.2	4.2
Aug	34° / 22°	6	0.8	13.3	4.0
Sep	30° / 19°	19	3.7	12.2	6.0
Oct	26° / 15°	32	5.5	11.1	7.7
Nov	20° / 11°	51	7.4	10.1	6.9
Dec	17° / 8°	38	6.7	9.6	6.2

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 18% of January, with mostly cloudy or overcast conditions the remaining 36%.

	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 (%)	68	68	68	69	69	69	68	68	68	67	66	66	64	64	63	63	62	61	61	60	60	60	60	59	60	60	60	61	61	61	61
Cloudier (%)	32	32	32	31	31	31	32	32	32	33	34	34	36	36	37	37	38	39	39	40	40	40	40	41	40	40	40	39	39	39	39

	Clearer (%)	Cloudier (%)
1	68	32
2	68	32
3	68	32
4	69	31
5	69	31
6	69	31
7	68	32
8	68	32
9	68	32
10	67	33
11	66	34
12	66	34
13	64	36
14	64	36
15	63	37
16	63	37
17	62	38
18	61	39
19	61	39
20	60	40
21	60	40
22	60	40
23	60	40
24	59	41
25	60	40
26	60	40
27	60	40
28	61	39
29	61	39
30	61	39
31	61	39

Chance of precipitation in January

Any precipitation

Sig gets around 43 mm of rain over 8.1 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 26% and peaks near 30% on the wettest days. The odds climb toward the end of the month.

	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 (%)	21	21	21	21	21	22	22	22	22	23	23	24	24	25	25	26	27	27	28	28	29	29	29	30	30	30	30	29	29	29	28

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

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January 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 January

Winds average 9 km/h in January.

Across January, daily wind ranges from about 9 km/h on the calmest days to 9 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)	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	9
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

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

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 36 min at the start of January to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over January. Sunrise moves from 8:15 AM to 8:08 AM, and sunset from 5:53 PM to 6:20 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)	9.6	9.6	9.7	9.7	9.7	9.7	9.7	9.7	9.7	9.7	9.8	9.8	9.8	9.8	9.8	9.8	9.9	9.9	9.9	9.9	9.9	10.0	10.0	10.0	10.0	10.1	10.1	10.1	10.1	10.2	10.2
Sunrise (AM)	8:15	8:15	8:15	8:15	8:15	8:16	8:16	8:16	8:16	8:16	8:15	8:15	8:15	8:15	8:15	8:15	8:14	8:14	8:14	8:14	8:13	8:13	8:12	8:12	8:12	8:11	8:10	8:10	8:09	8:09	8:08
Sunset (PM)	5:53	5:54	5:54	5:55	5:56	5:57	5:58	5:58	5:59	6:00	6:01	6:02	6:03	6:04	6:04	6:05	6:06	6:07	6:08	6:09	6:10	6:11	6:12	6:13	6:14	6:15	6:16	6:17	6:18	6:19	6:20

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	9.6	8:15	5:53
2	9.6	8:15	5:54
3	9.7	8:15	5:54
4	9.7	8:15	5:55
5	9.7	8:15	5:56
6	9.7	8:16	5:57
7	9.7	8:16	5:58
8	9.7	8:16	5:58
9	9.7	8:16	5:59
10	9.7	8:16	6:00
11	9.8	8:15	6:01
12	9.8	8:15	6:02
13	9.8	8:15	6:03
14	9.8	8:15	6:04
15	9.8	8:15	6:04
16	9.8	8:15	6:05
17	9.9	8:14	6:06
18	9.9	8:14	6:07
19	9.9	8:14	6:08
20	9.9	8:14	6:09
21	9.9	8:13	6:10
22	10.0	8:13	6:11
23	10.0	8:12	6:12
24	10.0	8:12	6:13
25	10.0	8:12	6:14
26	10.1	8:11	6:15
27	10.1	8:10	6:16
28	10.1	8:10	6:17
29	10.1	8:09	6:18
30	10.2	8:09	6:19
31	10.2	8:08	6:20

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.85 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 — January's 2.85 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)	2.6	2.7	2.7	2.7	2.7	2.7	2.7	2.8	2.8	2.8	2.8	2.8	2.8	2.8	2.8	2.8	2.8	2.9	2.9	2.9	2.9	2.9	3.0	3.0	3.0	3.0	3.1	3.1	3.1	3.2	3.2
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	2.6	Moderate
2	2.7	Moderate
3	2.7	Moderate
4	2.7	Moderate
5	2.7	Moderate
6	2.7	Moderate
7	2.7	Moderate
8	2.8	Moderate
9	2.8	Moderate
10	2.8	Moderate
11	2.8	Moderate
12	2.8	Moderate
13	2.8	Moderate
14	2.8	Moderate
15	2.8	Moderate
16	2.8	Moderate
17	2.8	Moderate
18	2.9	Moderate
19	2.9	Moderate
20	2.9	Moderate
21	2.9	Moderate
22	2.9	Moderate
23	3.0	Moderate
24	3.0	Moderate
25	3.0	Moderate
26	3.0	Moderate
27	3.1	Moderate
28	3.1	Moderate
29	3.1	Moderate
30	3.2	Moderate
31	3.2	Moderate

Planning a trip in January

Hazard calendar for Sig

In seasonPeak

None of Sig's seasonal hazards are active in January. 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 January a good time to visit Sig?

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

5.6

Sightseeing

10th-best month of the year

0.9

Beach & pool

12th-best month of the year

January is a reasonable time to visit Sig for sightseeing.

What to pack for Sig in January

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

In January, Sig sees daytime highs around 16°C and nights near 6°C. Worth packing: a warm layer and rain gear. About 8 days see rain.

a warm layerrain gear

Sea temperature near Sig in January

The nearest coast averages about 16°C in January — 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	16	15	16	17	18	21	23	25	24	21	19	17
Comfort	Cool	Cool	Cool	Cool	Cool	Refreshing	Refreshing	Warm	Refreshing	Refreshing	Cool	Cool

	Sea temperature (°C)	Comfort
Jan	16	Cool
Feb	15	Cool
Mar	16	Cool
Apr	17	Cool
May	18	Cool
Jun	21	Refreshing
Jul	23	Refreshing
Aug	25	Warm
Sep	24	Refreshing
Oct	21	Refreshing
Nov	19	Cool
Dec	17	Cool

UV index in Sig in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 3. 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	3	3	7	7	8	8	10	9	8	5	3	2
Level	Moderate	Moderate	High	High	Very high	Very high	Very high	Very high	Very high	High	Moderate	Moderate

	UV index (midday)	Level
Jan	3	Moderate
Feb	3	Moderate
Mar	7	High
Apr	7	High
May	8	Very high
Jun	8	Very high
Jul	10	Very high
Aug	9	Very high
Sep	8	Very high
Oct	5	High
Nov	3	Moderate
Dec	2	Moderate

Air quality in Sig in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	21	26	30	25	21	21	26	28	31	27	23	23
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	21	Moderate
Feb	26	Moderate
Mar	30	Moderate
Apr	25	Moderate
May	21	Moderate
Jun	21	Moderate
Jul	26	Moderate
Aug	28	Moderate
Sep	31	Moderate
Oct	27	Moderate
Nov	23	Moderate
Dec	23	Moderate

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

grassland 29%

16 km

738 m

grassland 41%

80 km

1,197 m

cropland 42%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

← December Sig year-round climate February →Best places to visit in January

January 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

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).

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

	Clearer (%)	Cloudier (%)
1	68	32
2	68	32
3	68	32
4	69	31
5	69	31
6	69	31
7	68	32
8	68	32
9	68	32
10	67	33
11	66	34
12	66	34
13	64	36
14	64	36
15	63	37
16	63	37
17	62	38
18	61	39
19	61	39
20	60	40
21	60	40
22	60	40
23	60	40
24	59	41
25	60	40
26	60	40
27	60	40
28	61	39
29	61	39
30	61	39
31	61	39

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

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

	Clearer (%)	Cloudier (%)
1	68	32
2	68	32
3	68	32
4	69	31
5	69	31
6	69	31
7	68	32
8	68	32
9	68	32
10	67	33
11	66	34
12	66	34
13	64	36
14	64	36
15	63	37
16	63	37
17	62	38
18	61	39
19	61	39
20	60	40
21	60	40
22	60	40
23	60	40
24	59	41
25	60	40
26	60	40
27	60	40
28	61	39
29	61	39
30	61	39
31	61	39

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

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

	Clearer (%)	Cloudier (%)
1	68	32
2	68	32
3	68	32
4	69	31
5	69	31
6	69	31
7	68	32
8	68	32
9	68	32
10	67	33
11	66	34
12	66	34
13	64	36
14	64	36
15	63	37
16	63	37
17	62	38
18	61	39
19	61	39
20	60	40
21	60	40
22	60	40
23	60	40
24	59	41
25	60	40
26	60	40
27	60	40
28	61	39
29	61	39
30	61	39
31	61	39

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

	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