Sejoumi weather in January

In January, Sejoumi sees average daytime highs of 16°C and overnight lows near 8°C, with 37 mm of rain across 7.5 wet days and about 9.8 hours of daylight. It is the 12th-warmest and 6th-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 34% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 30 min at the start of January to 10 h 06 min by month's end. Set against the rest of the year, January is Sejoumi's 12th-clearest and 5th-windiest month. For the whole year in context, see Sejoumi's year-round climate.

Daytime high
16°
12th warmest
Overnight low
1st coldest
Rainfall
37 mm
7.5 wet days
Daylight
9 h 42 min
7:37 AM – 5:21 PM
Cloud cover
52%
12th clearest
Wind
12 km/h
5th windiest
Solar energy
2.52 kWh/m²
Travel score
5.4
out of 10

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 Sejoumi reaches about 16°C in the afternoon and slips back to 8°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 19°C. Set against its neighbours, January runs about 1°C cooler than December and on par with February.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1168
2168
3168
4168
5168
6168
7168
8168
9168
10168
11168
12168
13168
14168
15168
16168
17168
18168
19168
20168
21168
22168
23168
24168
25168
26168
27168
28168
29168
30168
31168

How January really feels in Sejoumi

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
0
heat index over the day's high
Days feeling ≤ C
0
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.

Sejoumi weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan16° / 377.59.85.4
Feb16° / 41810.65.5
Mar19° / 10°426.811.76.7
Apr22° / 12°397.312.97.3
May27° / 16°244.613.97.7
Jun31° / 20°102.114.55.6
Jul34° / 22°20.714.34.1
Aug34° / 23°92.613.43.8
Sep31° / 21°345.712.25.4
Oct26° / 17°386.4117.3
Nov21° / 13°366.6107.2
Dec17° / 387.19.56.2

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 26% of January, with mostly cloudy or overcast conditions the remaining 40%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26238
36238
46238
56337
66238
76238
86337
96238
106238
116139
126139
136040
146040
156040
166040
175941
185941
195941
205941
215842
225842
235842
245842
255941
266040
276040
286040
296040
306040
316040

Chance of precipitation in January

Any precipitation

Sejoumi gets around 37 mm of rain over 7.5 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 25% and peaks near 29% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
120
220
320
420
521
621
721
822
922
1023
1123
1224
1324
1425
1525
1626
1726
1826
1926
2027
2127
2227
2327
2427
2527
2627
2727
2828
2928
3028
3129

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.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
3991
4991
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in January

Winds average 12 km/h in January.

Across January, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 30 min at the start of January to 10 h 06 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 7:37 AM to 7:29 AM, and sunset from 5:08 PM to 5:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.57:375:08
29.57:375:09
39.57:375:10
49.67:375:11
59.67:385:11
69.67:385:12
79.67:385:13
89.67:385:14
99.67:385:15
109.67:385:16
119.77:375:16
129.77:375:17
139.77:375:18
149.77:375:19
159.77:375:20
169.77:375:21
179.87:365:22
189.87:365:23
199.87:365:24
209.87:355:25
219.97:355:26
229.97:345:27
239.97:345:28
249.97:345:29
2510.07:335:30
2610.07:325:31
2710.07:325:32
2810.07:315:33
2910.17:315:34
3010.17:305:35
3110.17:295:36

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.52 kWh/m².

For context, solar energy here swings from a low near 2.22 kWh/m² to a high of 7.59 kWh/m² in July across the year — January's 2.52 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.3Moderate
22.3Moderate
32.3Moderate
42.4Moderate
52.4Moderate
62.4Moderate
72.4Moderate
82.4Moderate
92.4Moderate
102.4Moderate
112.4Moderate
122.5Moderate
132.5Moderate
142.5Moderate
152.5Moderate
162.5Moderate
172.5Moderate
182.5Moderate
192.5Moderate
202.6Moderate
212.6Moderate
222.6Moderate
232.6Moderate
242.6Moderate
252.7Moderate
262.7Moderate
272.7Moderate
282.8Moderate
292.8Moderate
302.8Moderate
312.9Moderate
Planning a trip in January

Hazard calendar for Sejoumi

In seasonPeak

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

Sejoumi sees seasonal dust haze (June), heaviest in June.

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

Is January a good time to visit Sejoumi?

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

5.4
Sightseeing
9th-best month of the year
0.7
Beach & pool
12th-best month of the year

January is a reasonable time to visit Sejoumi for sightseeing.

What to pack for Sejoumi in January

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

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

a warm layer

Sea temperature near Sejoumi 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 26 km away) is warmest in August at about 26°C and coldest in February near 15°C.

It's comfortable for a long swim from Jun 3 to Nov 19 — about 5.6 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Bracing
Mar15Bracing
Apr16Cool
May18Cool
Jun21Refreshing
Jul25Warm
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov20Refreshing
Dec17Cool

UV index in Sejoumi in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sejoumi peaks around July 17 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighModerateVery highVery highHighModerateJul 17UV 10Dec 21UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar6High
Apr4Moderate
May7High
Jun8Very high
Jul10Extreme
Aug8Very high
Sep7High
Oct5High
Nov3Moderate
Dec2Low

Air quality in Sejoumi 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 Sejoumi is worst in December — around 50 µg/m³ PM2.5 (poor), about 1.8× the cleanest month (July, 27 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorDec 1550 µg/m³Jul 1428 µg/m³
PM2.5 (µg/m³)Level
Jan45Poor
Feb46Poor
Mar41Poor
Apr39Poor
May33Moderate
Jun29Moderate
Jul27Moderate
Aug30Moderate
Sep36Poor
Oct42Poor
Nov47Poor
Dec50Poor
Location & terrain

Where is Sejoumi?

Sejoumi sits at 36.8°N, 10.1°E, 12 m above sea level, in Tunisia. The nearest listed city is Den Den, 6.0 km away.

Topography around Sejoumi

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

Within 3 km, the terrain around Sejoumi has only modest variations in elevation — a maximum elevation change of 88 m around an average of 25 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 324 m; within 80 km, large variations in elevation — a maximum elevation change of 1,190 m.

The land around Sejoumi is covered by artificial surfaces (30%) and water (26%) within 3 km, cropland (36%), artificial surfaces (27%) and grassland (22%) within 16 km, and cropland (34%), water (29%) and grassland (22%) within 80 km.

3 km
88 m
16 km
324 m
80 km
1,190 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
January weather nearby: Den Den 6.0 km · Le Bardo 6.0 km · Manouba 6.0 km · Fouchana 8.0 km · Tunis 8.0 km · Douar Hicher 8.0 km · Ettadhamen 9.0 km · La Mornaghia 9.0 km

Tunisia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$4,657
2025
Happiness
4.8 / 10
World Happiness, 2025
Safe drinking water
65%
of population, 2024
Homicide rate
4.7
per 100k, 2020
Road deaths
16.5
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Low
EF EPI 498
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 Sejoumi (36.7558°, 10.1183°, elevation 12 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).