Arua weather in January

In January, Arua sees average daytime highs of 32°C and overnight lows near 20°C, with 10 mm of rain across 2.2 wet days and about 11.8 hours of daylight. It is the 2nd-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 35% of the time in January, and the air most often feels dry.

Daylight stretches from about 11 h 48 min at the start of January to 11 h 54 min by month's end. Set against the rest of the year, January is Arua's 1st-clearest and 2nd-windiest month. For the whole year in context, see Arua's year-round climate.

Daytime high
32°
2nd warmest
Overnight low
20°
10th coldest
Rainfall
10 mm
2.2 wet days
Daylight
11 h 48 min
7:10 AM – 7:01 PM
Cloud cover
55%
1st clearest
Wind
8 km/h
2nd windiest
Solar energy
6 kWh/m²
Travel score
5.0
out of 10

Arua is City in North Western Uganda.

Founded
1914

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 32°C through the month.

A typical January day in Arua reaches about 32°C in the afternoon and slips back to 20°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 34°C. Set against its neighbours, January runs about 2°C warmer than December and about 1°C cooler than February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13120
23120
33120
43120
53120
63120
73120
83120
93120
103120
113120
123120
133120
143220
153220
163220
173220
183220
193220
203220
213220
223220
233220
243220
253220
263221
273221
283221
293221
303221
313221

How January really feels in Arua

Once humidity and wind are folded in, January averages 7 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
7
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.

Arua weather by month

How January compares with the rest of the year at a glance. January is the 2nd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 20°102.211.85.0
Feb33° / 21°173.511.94.2
Mar32° / 21°509.9124.1
Apr30° / 20°8014.712.14.4
May29° / 20°7012.312.15.1
Jun29° / 19°8513.512.25.2
Jul28° / 19°11316.112.25.4
Aug28° / 18°13719.112.15.0
Sep28° / 19°10517.1124.9
Oct28° / 19°11820.311.94.4
Nov29° / 19°7213.811.95.1
Dec30° / 20°163.611.85.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 19% of January, with mostly cloudy or overcast conditions the remaining 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25644
35545
45545
55446
65446
75446
85347
95347
105347
115347
125347
135248
145248
155248
165347
175347
185446
195446
205545
215644
225644
235743
245743
255743
265743
275743
285743
295842
305842
315842

Chance of precipitation in January

Any precipitation

Arua gets around 10 mm of rain over 2.2 wet days in January, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 7% and peaks near 9% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
15
25
35
46
56
66
76
86
96
106
116
126
136
146
156
166
176
186
197
207
217
227
238
248
259
269
279
289
299
309
319

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 60% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15728141
25728141
35927131
45927131
55927131
65927131
75927131
86126121
96126121
106026131
116125131
126125131
136125131
146224131
156324130
166324130
176224140
186224140
196224140
206124150
216124150
226024160
236024160
246024160
256023170
266023170
276023170
286022180
296022180
306121180
316121180

Wind in January

Winds average 8 km/h in January.

Across January, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
309calm
319calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 48 min at the start of January to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over January. Sunrise moves from 7:05 AM to 7:14 AM, and sunset from 6:54 PM to 7:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.87:056:54
211.87:056:55
311.87:066:55
411.87:066:56
511.87:066:56
611.87:076:57
711.87:076:57
811.87:086:58
911.87:086:58
1011.87:086:58
1111.87:096:59
1211.87:096:59
1311.87:097:00
1411.87:107:00
1511.87:107:01
1611.87:107:01
1711.87:117:01
1811.87:117:02
1911.87:117:02
2011.87:127:02
2111.97:127:03
2211.97:127:03
2311.97:127:03
2411.97:127:04
2511.97:137:04
2611.97:137:04
2711.97:137:05
2811.97:137:05
2911.97:137:05
3011.97:147:05
3111.97:147:06

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6 kWh/m².

For context, solar energy here swings from a low near 5.04 kWh/m² to a high of 6.24 kWh/m² in February across the year — January's 6 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
116.0Bright
126.0Bright
136.0Bright
146.0Bright
156.0Bright
166.0Intense
176.0Intense
186.0Intense
196.0Intense
206.0Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.2Intense
306.2Intense
316.2Intense
Planning a trip in January

Hazard calendar for Arua

In seasonPeak

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

Arua's rainy season runs April–November, when most of the year's rain falls.

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

Is January a good time to visit Arua?

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

5.0
Sightseeing
6th-best month of the year
7.7
Beach & pool
2nd-best month of the year

January is a reasonable time to visit Arua for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Arua in January

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

In January, Arua sees daytime highs around 32°C and nights near 20°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Arua in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Arua peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 15Jul 11UV 10
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar16Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug13Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec10Extreme

Air quality in Arua 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 Arua is worst in January — around 55 µg/m³ PM2.5 (poor), about 2.8× the cleanest month (April, 19 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorJan 1953 µg/m³Apr 2320 µg/m³
PM2.5 (µg/m³)Level
Jan55Poor
Feb48Poor
Mar30Moderate
Apr19Moderate
May20Moderate
Jun28Moderate
Jul30Moderate
Aug25Moderate
Sep22Moderate
Oct22Moderate
Nov26Moderate
Dec40Poor
Location & terrain

Where is Arua?

Arua sits at 3.0°N, 30.9°E, 1,215 m above sea level, in Uganda. The nearest listed city is Aru, 19 km away.

KobokoYumbeNebbiPaidhaPakwachAdjumaniMoyo

Topography around Arua

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

Within 3 km, the terrain around Arua has only modest variations in elevation — a maximum elevation change of 124 m around an average of 1,196 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 511 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,444 m.

The land around Arua is covered by artificial surfaces (38%) within 3 km, shrubs (44%), grassland (24%) and cropland (23%) within 16 km, and shrubs (45%) and grassland (32%) within 80 km.

3 km
124 m
16 km
511 m
80 km
1,444 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Aru 19 km · Koboko 44 km · Yumbe 62 km · Nebbi 63 km · Paidha 68 km · Pakwach 90 km · Adjumani 105 km · Moyo 115 km

Uganda travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type G
240 V · 50 Hz
Prices
≈ 35% of US
price level, 2025
GDP per capita
$1,206
2025
Happiness
4.5 / 10
World Happiness, 2025
Safe drinking water
18%
of population, 2024
Homicide rate
9
per 100k, 2023
Road deaths
29.4
per 100k/yr, 2019
Income group
Low
World Bank
English
Moderate
EF EPI 518
Religion
Protestant 45%Roman Catholic 39%Muslim 14%other 2%

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 Arua (3.0201°, 30.911°, elevation 1,215 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).