Nyanza weather in January

In January, Nyanza sees average daytime highs of 25°C and overnight lows near 14°C, with 73 mm of rain across 14.6 wet days and about 12.1 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 7% of the time in January, and the air most often feels comfortable.

Daylight stretches from about 12 h 06 min at the start of January to 12 h 06 min by month's end. Set against the rest of the year, January is Nyanza's 6th-clearest and 9th-windiest month. For the whole year in context, see Nyanza's year-round climate.

Daytime high
25°
4th warmest
Overnight low
14°
6th coldest
Rainfall
73 mm
14.6 wet days
Daylight
12 h 06 min
6:07 AM – 6:14 PM
Cloud cover
75%
6th clearest
Wind
5 km/h
9th windiest
Solar energy
5.47 kWh/m²
Travel score
5.9
out of 10

Nyanza is city in Rwanda.

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 25°C through the month.

A typical January day in Nyanza reaches about 25°C in the afternoon and slips back to 14°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°C. Set against its neighbours, January runs on par with December and on par with February.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12514
22514
32514
42514
52514
62514
72514
82514
92514
102514
112514
122514
132514
142514
152514
162514
172514
182514
192514
202514
212514
222514
232514
242514
252514
262514
272514
282514
292514
302514
312514

Nyanza weather by month

How January compares with the rest of the year at a glance. January is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 14°7314.612.15.9
Feb25° / 14°6813.412.15.8
Mar25° / 14°9118125.4
Apr24° / 14°1212311.94.6
May24° / 14°6414.211.96.1
Jun24° / 14°12311.97.9
Jul25° / 14°4111.98.2
Aug26° / 15°173.211.97.6
Sep26° / 15°387.9126.8
Oct25° / 14°9417.212.15.5
Nov24° / 14°10520.712.14.9
Dec24° / 14°8015.712.15.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 77%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12377
22377
32377
42377
52377
62377
72377
82278
92278
102179
112179
122179
132179
142080
152080
162080
172080
182278
192278
202278
212377
222278
232377
242377
252575
262575
272575
282674
292674
302773
312773

Chance of precipitation in January

Any precipitation

Nyanza gets around 73 mm of rain over 14.6 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 47% and peaks near 51% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
151
251
351
451
551
651
751
851
951
1051
1150
1250
1349
1449
1548
1648
1747
1846
1946
2045
2145
2244
2344
2443
2543
2642
2742
2842
2942
3042
3142

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 78% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
110828
210819
310819
410819
510819
610819
710819
810819
9108010
10108010
11108010
12108010
13108010
14108010
15117910
16117910
17117910
18127810
19127810
2013789
2114779
2214779
2315769
2416759
2516768
2617758
2717758
2818739
2918739
3019729
31197110

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 12 h 06 min at the start of January to 12 h 06 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 6:00 AM to 6:11 AM, and sunset from 6:08 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:006:08
212.16:016:09
312.16:016:09
412.16:026:09
512.16:026:10
612.16:026:10
712.16:036:11
812.16:036:11
912.16:046:11
1012.16:046:12
1112.16:056:12
1212.16:056:13
1312.16:056:13
1412.16:066:13
1512.16:066:14
1612.16:076:14
1712.16:076:14
1812.16:076:15
1912.16:086:15
2012.16:086:15
2112.16:086:15
2212.16:096:16
2312.16:096:16
2412.16:096:16
2512.16:106:16
2612.16:106:17
2712.16:106:17
2812.16:116:17
2912.16:116:17
3012.16:116:17
3112.16:116:17

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.47 kWh/m².

For context, solar energy here swings from a low near 4.83 kWh/m² to a high of 5.71 kWh/m² in February across the year — January's 5.47 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in January

Is January a good time to visit Nyanza?

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

5.9
Sightseeing
6th-best month of the year
5.3
Beach & pool
6th-best month of the year

January is a reasonable time to visit Nyanza for sightseeing.

What to pack for Nyanza in January

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

In January, Nyanza sees daytime highs around 25°C and nights near 14°C. Pack rain gear. Worth having: light clothes and sun protection. About 15 days see rain.

rain gearlight clothessun protection

UV index in Nyanza 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 Nyanza peaks around March 18 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 18UV 16Jun 21UV 10
UV index (midday)Level
Jan11Extreme
Feb15Extreme
Mar17Extreme
Apr16Extreme
May13Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep14Extreme
Oct14Extreme
Nov13Extreme
Dec11Extreme

Air quality in Nyanza 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 Nyanza is worst in January — around 82 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyJan 1981 µg/m³May 966 µg/m³
PM2.5 (µg/m³)Level
Jan82Unhealthy
Feb80Unhealthy
Mar73Unhealthy
Apr66Unhealthy
May66Unhealthy
Jun75Unhealthy
Jul67Unhealthy
Aug72Unhealthy
Sep72Unhealthy
Oct68Unhealthy
Nov72Unhealthy
Dec77Unhealthy
Location & terrain

Where is Nyanza?

Nyanza sits at 2.4°S, 29.8°E, 1,792 m above sea level, in Rwanda. The nearest listed city is Ruhango, 15 km away.

RuhangoGikongoroNzegaButareGitaramaMuginaMuhangaKirundo

Topography around Nyanza

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

Within 3 km, the terrain around Nyanza has significant variations in elevation — a maximum elevation change of 262 m around an average of 1,751 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 724 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,818 m.

The land around Nyanza is covered by cropland (51%) and grassland (22%) within 3 km, cropland (59%) and grassland (28%) within 16 km, and cropland (33%), trees (27%) and grassland (25%) within 80 km.

3 km
262 m
16 km
724 m
80 km
1,818 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Ruhango 15 km · Gikongoro 23 km · Nzega 26 km · Butare 27 km · Gitarama 31 km · Mugina 35 km · Muhanga 37 km · Kirundo 46 km

Rwanda travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type C / E / G
230 V · 50 Hz
Prices
≈ 27% of US
price level, 2025
GDP per capita
$1,124
2025
Happiness
3.3 / 10
World Happiness, 2021
Homicide rate
3.6
per 100k, 2020
Road deaths
29.4
per 100k/yr, 2019
Income group
Low
World Bank
English
Very low
EF EPI 417
Religion
Catholic 40%Pentecostal 21%Protestant 15%Adventist 12%

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 Nyanza (-2.3519°, 29.7509°, elevation 1,792 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).