Sironko weather in January

In January, Sironko sees average daytime highs of 27°C and overnight lows near 16°C, with 99 mm of rain across 12 wet days and about 11.9 hours of daylight. It is the 2nd-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 27% of the time in January, and the air most often feels comfortable.

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

Daytime high
27°
2nd warmest
Overnight low
16°
2nd coldest
Rainfall
99 mm
12 wet days
Daylight
11 h 54 min
6:54 AM – 6:50 PM
Cloud cover
60%
1st clearest
Wind
5 km/h
2nd windiest
Solar energy
5.72 kWh/m²
Travel score
6.1
out of 10

Sironko is place in Eastern Region of Uganda.

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 27°C through the month.

A typical January day in Sironko reaches about 27°C in the afternoon and slips back to 16°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 30°C. Set against its neighbours, January runs about 1°C warmer than December and about 1°C cooler than February.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12716
22716
32716
42716
52716
62716
72716
82716
92716
102716
112716
122716
132716
142716
152716
162716
172716
182716
192716
202716
212716
222716
232716
242716
252816
262816
272816
282816
292816
302816
312816

Sironko weather by month

How January compares with the rest of the year at a glance. January is the 2nd-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 16°991211.96.1
Feb28° / 16°7510.5125.7
Mar27° / 17°26122.4124.6
Apr25° / 17°53728.2123.7
May24° / 17°60829.812.13.8
Jun24° / 16°3082612.14.2
Jul24° / 16°24423.712.14.7
Aug25° / 16°25625.9124.4
Sep25° / 16°32027.9123.9
Oct25° / 17°54430123.7
Nov25° / 16°43826.811.94.0
Dec26° / 16°19218.111.95.4

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 22% of January, with mostly cloudy or overcast conditions the remaining 51%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24555
34654
44654
54753
64753
74654
84654
94555
104654
114654
124654
134654
144654
154753
164753
174852
184951
194951
205050
215050
225149
235149
245149
255347
265347
275347
285347
295347
305347
315347

Chance of precipitation in January

Any precipitation

Sironko gets around 99 mm of rain over 12 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 39% and peaks near 42% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
141
241
340
440
540
640
740
840
940
1041
1141
1242
1342
1442
1542
1642
1741
1841
1941
2040
2140
2239
2338
2438
2537
2636
2735
2835
2934
3034
3133

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the comfortable band about 46% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
1254629
2264628
3264628
4264628
5274627
6274627
7274627
8284627
9284627
10284627
11284626
12284626
13284726
14284725
15284724
16294724
17294823
18304822
19314822
20314721
21324721
22334720
23344620
24354619
25364519
26374418
27384418
28404317
29404217
30414217
31424117

Wind in January

Winds average 5 km/h in January.

Across January, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 54 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 0 minutes over January. Sunrise moves from 6:48 AM to 6:58 AM, and sunset from 6:44 PM to 6:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:486:44
211.96:496:45
311.96:496:45
411.96:506:45
511.96:506:46
611.96:506:46
711.96:516:47
811.96:516:47
911.96:526:48
1011.96:526:48
1111.96:526:48
1211.96:536:49
1311.96:536:49
1411.96:546:50
1511.96:546:50
1611.96:546:50
1711.96:556:51
1811.96:556:51
1911.96:556:51
2011.96:556:52
2111.96:566:52
2211.96:566:52
2311.96:566:53
2411.96:576:53
2511.96:576:53
2611.96:576:54
2711.96:576:54
2811.96:576:54
2911.96:586:54
3011.96:586:55
3111.96:586:55

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.72 kWh/m².

For context, solar energy here swings from a low near 4.38 kWh/m² to a high of 6.13 kWh/m² in February across the year — January's 5.72 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
276.0Bright
286.0Bright
296.0Intense
306.0Intense
316.0Intense
Planning a trip in January

Is January a good time to visit Sironko?

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

6.1
Sightseeing
1st-best month of the year
6.3
Beach & pool
2nd-best month of the year

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

What to pack for Sironko in January

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

In January, Sironko sees daytime highs around 27°C and nights near 16°C. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Sironko in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sironko peaks around March 14 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 14UV 16Jun 20UV 11
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar17Extreme
Apr15Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec12Extreme

Air quality in Sironko 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 Sironko is worst in January — around 43 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorModeratePoorJan 1542 µg/m³Apr 1832 µg/m³
PM2.5 (µg/m³)Level
Jan43Poor
Feb40Poor
Mar36Poor
Apr32Moderate
May34Moderate
Jun40Poor
Jul39Poor
Aug35Moderate
Sep35Moderate
Oct36Poor
Nov37Poor
Dec41Poor
Location & terrain

Where is Sironko?

Sironko sits at 1.2°N, 34.2°E, 1,123 m above sea level, in Uganda. The nearest listed city is Budadiri, 13 km away.

KumiBudakaButaleja

Topography around Sironko

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

Within 3 km, the terrain around Sironko has only modest variations in elevation — a maximum elevation change of 161 m around an average of 1,126 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,387 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,257 m.

The land around Sironko is covered by shrubs (35%) and cropland (34%) within 3 km, shrubs (30%), trees (28%) and cropland (24%) within 16 km, and cropland (33%), grassland (26%) and shrubs (20%) within 80 km.

3 km
161 m
16 km
1,387 m
80 km
3,257 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Budadiri 13 km · Nakaloke 14 km · Mbale 18 km · Kapchorwa 29 km · Manafwa 31 km · Kumi 43 km · Budaka 44 km · Butaleja 48 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 Sironko (1.2313°, 34.2477°, elevation 1,123 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).