Er Roseires weather in January

In January, Er Roseires sees average daytime highs of 35°C and overnight lows near 21°C, with 0 mm of rain across 0 wet days and about 11.4 hours of daylight. It is the 8th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 35°C through the month. The sky is clear or mostly clear about 76% of the time in January, and the air most often feels dry.

Daylight stretches from about 11 h 18 min at the start of January to 11 h 30 min by month's end. Set against the rest of the year, January is Er Roseires's 2nd-clearest and 4th-windiest month. For the whole year in context, see Er Roseires's year-round climate.

Daytime high
35°
8th warmest
Overnight low
21°
1st coldest
Rainfall
0 mm
0 wet days
Daylight
11 h 24 min
7:11 AM – 6:33 PM
Cloud cover
22%
2nd clearest
Wind
11 km/h
4th windiest
Solar energy
6.06 kWh/m²
Travel score
3.2
out of 10

Er Roseires is town in eastern Sudan.

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 35°C through the month.

A typical January day in Er Roseires reaches about 35°C in the afternoon and slips back to 21°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 39°C. Set against its neighbours, January runs on par with December and about 2°C cooler than February.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13521
23521
33521
43521
53521
63521
73521
83521
93521
103521
113520
123520
133520
143520
153521
163521
173521
183521
193521
203521
213521
223521
233521
243621
253621
263621
273621
283621
293621
303621
313621

How January really feels in Er Roseires

Once humidity and wind are folded in, January averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Er Roseires weather by month

How January compares with the rest of the year at a glance. January is the 8th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan35° / 21°0011.43.2
Feb37° / 22°0011.61.8
Mar40° / 25°20.411.90.3
Apr40° / 27°92.912.30.0
May38° / 27°4710.912.50.9
Jun35° / 25°7215.412.72.1
Jul33° / 24°10219.112.62.9
Aug31° / 23°13621.612.43.3
Sep32° / 23°9115.512.13.3
Oct34° / 24°5713.111.72.7
Nov36° / 23°30.911.52.4
Dec36° / 22°0011.33.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 76% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 11% of January, with mostly cloudy or overcast conditions the remaining 13%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18911
28812
38713
48713
58713
68614
78614
88614
98515
108416
118416
128515
138515
148515
158515
168515
178515
188614
198713
208713
218713
228812
238812
248812
258911
268911
278911
288812
298812
308812
318713

Chance of precipitation in January

Any precipitation

Er Roseires gets around 0 mm of rain over 0 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 0% and peaks near 0% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310

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 99% 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
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in January

Winds average 11 km/h in January.

Across January, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 18 min at the start of January to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over January. Sunrise moves from 7:06 AM to 7:12 AM, and sunset from 6:25 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.37:066:25
211.37:076:26
311.37:076:26
411.37:076:27
511.37:086:27
611.37:086:28
711.37:086:28
811.37:096:29
911.37:096:29
1011.37:096:30
1111.37:096:30
1211.47:106:31
1311.47:106:31
1411.47:106:32
1511.47:106:32
1611.47:116:33
1711.47:116:33
1811.47:116:34
1911.47:116:34
2011.47:116:35
2111.47:116:35
2211.47:116:36
2311.47:116:36
2411.47:126:37
2511.47:126:37
2611.47:126:38
2711.47:126:38
2811.57:126:39
2911.57:126:39
3011.57:126:40
3111.57:126:40

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.06 kWh/m².

For context, solar energy here swings from a low near 5.09 kWh/m² to a high of 7.06 kWh/m² in March across the year — January's 6.06 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
96.0Bright
106.0Bright
116.0Bright
126.0Intense
136.0Intense
146.0Intense
156.0Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.3Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in January

Hazard calendar for Er Roseires

In seasonPeak

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

Er Roseires's rainy season runs June–September, when most of the year's rain falls.

Er Roseires sees seasonal dust haze (April), heaviest in April.

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

Is January a good time to visit Er Roseires?

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

3.2
Sightseeing
3rd-best month of the year
7.0
Beach & pool
1st-best month of the year

January is a weaker month for outdoor sightseeing in Er Roseires. The water and warmth also suit a beach or pool day.

What to pack for Er Roseires in January

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

In January, Er Roseires sees daytime highs around 35°C and nights near 21°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Er Roseires in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Er Roseires peaks around March 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 19UV 13Dec 11UV 9
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May10Extreme
Jun11Extreme
Jul10Extreme
Aug13Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Er Roseires 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 Er Roseires is worst in March — around 30 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (August, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1829 µg/m³Aug 2314 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb26Moderate
Mar30Moderate
Apr27Moderate
May15Moderate
Jun19Moderate
Jul18Moderate
Aug14Moderate
Sep14Moderate
Oct16Moderate
Nov17Moderate
Dec17Moderate
Location & terrain

Where is Er Roseires?

Er Roseires sits at 11.9°N, 34.4°E, 472 m above sea level, in Sudan. The nearest listed city is Ad-Damazin, 9.0 km away.

SingaAd-DindarAs SūkīAl ḨawātahUmm ShawkahMaiurnoĀsosa

Topography around Er Roseires

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

Within 3 km, the terrain around Er Roseires has only modest variations in elevation — a maximum elevation change of 41 m around an average of 467 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 83 m; within 80 km, large variations in elevation — a maximum elevation change of 789 m.

The land around Er Roseires is covered by grassland (52%) and cropland (21%) within 3 km, grassland (55%) and cropland (23%) within 16 km, and grassland (54%) and cropland (25%) within 80 km.

3 km
41 m
16 km
83 m
80 km
789 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
January weather nearby: Ad-Damazin 9.0 km · Singa 151 km · Ad-Dindar 166 km · As Sūkī 170 km · Al Ḩawātah 175 km · Umm Shawkah 175 km · Maiurno 189 km · Āsosa 201 km

Sudan travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / D / F / G
230 V · 50 Hz
Prices
≈ 215% of US
price level, 2025
GDP per capita
$1,165
2025
Happiness
4.1 / 10
World Happiness, 2017
Homicide rate
5.1
per 100k, 2008
Road deaths
26.8
per 100k/yr, 2019
Income group
Low
World Bank
English
Very low
EF EPI 421

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 Er Roseires (11.8659°, 34.3869°, elevation 472 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).