Nansio weather in December

In December, Nansio sees average daytime highs of 25°C and overnight lows near 22°C, with 270 mm of rain across 26.9 wet days and about 12.1 hours of daylight. It is the 9th-warmest and 2nd-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 21% of the time in December, and the air most often feels muggy.

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

Daytime high
25°
9th warmest
Overnight low
22°
6th coldest
Rainfall
270 mm
26.9 wet days
Daylight
12 h 06 min
6:40 AM – 6:48 PM
Cloud cover
66%
9th clearest
Wind
10 km/h
12th windiest
Solar energy
5.76 kWh/m²
Travel score
4.3
out of 10

Nansio is town in Mwanza Region, Tanzania.

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical December day in Nansio reaches about 25°C in the afternoon and slips back to 22°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 26°C. Set against its neighbours, December runs on par with November and on par with January.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12521
22521
32521
42521
52521
62521
72521
82521
92521
102521
112521
122521
132521
142521
152521
162522
172522
182522
192522
202522
212522
222522
232522
242522
252522
262522
272522
282522
292522
302522
312522

Nansio weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 22°20023.912.14.7
Feb26° / 22°14918.212.15.1
Mar26° / 22°23021.7124.9
Apr25° / 22°25721.8124.7
May26° / 22°12816.311.95.9
Jun25° / 22°458.211.97.2
Jul25° / 21°173.911.98.2
Aug25° / 21°7010.411.97.1
Sep25° / 22°12817.6125.7
Oct25° / 22°25325.8124.3
Nov25° / 21°3032712.14.0
Dec25° / 22°27026.912.14.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 17% of December, with mostly cloudy or overcast conditions the remaining 62%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
23070
33070
43070
53169
63169
73268
83268
93268
103367
113565
123565
133664
143763
153763
163961
173961
184060
194159
204258
214258
224357
234357
244456
254456
264357
274456
284555
294555
304555
314456

Chance of precipitation in December

Any precipitation

Nansio gets around 270 mm of rain over 26.9 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 86% and peaks near 89% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
189
289
389
489
589
689
788
888
987
1087
1186
1286
1385
1485
1585
1684
1784
1884
1984
2084
2185
2285
2385
2486
2586
2686
2786
2886
2986
3086
3186

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 60% of days. Sticky, muggy-or-worse air turns up on roughly 60% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)
13961
23961
33862
43862
53862
63862
73862
83862
93961
103961
113961
123961
134060
144060
154159
164159
174159
184159
194159
204159
214159
224159
234159
244159
254258
264258
274159
284159
294159
304159
314159

Wind in December

Winds average 10 km/h in December, the calmest month.

Across December, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 06 min at the start of December 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 December. Sunrise moves from 6:34 AM to 6:47 AM, and sunset from 6:41 PM to 6:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:346:41
212.16:346:41
312.16:356:42
412.16:356:42
512.16:366:43
612.16:366:43
712.16:366:44
812.16:376:44
912.16:376:44
1012.16:386:45
1112.16:386:45
1212.16:386:46
1312.16:396:46
1412.16:396:47
1512.16:406:47
1612.16:406:48
1712.16:416:48
1812.16:416:49
1912.16:426:49
2012.16:426:50
2112.16:436:50
2212.16:436:50
2312.16:446:51
2412.16:446:51
2512.16:446:52
2612.16:456:52
2712.16:456:53
2812.16:466:53
2912.16:466:54
3012.16:476:54
3112.16:476:55

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.76 kWh/m².

For context, solar energy here swings from a low near 5.56 kWh/m² to a high of 6.53 kWh/m² in February across the year — December's 5.76 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
296.0Bright
306.0Bright
316.0Bright
Planning a trip in December

Hazard calendar for Nansio

In seasonPeak

In December, Nansio sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

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

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

Is December a good time to visit Nansio?

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

4.3
Sightseeing
10th-best month of the year
3.9
Beach & pool
11th-best month of the year

December is a reasonable time to visit Nansio for sightseeing.

What to pack for Nansio in December

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

In December, Nansio sees daytime highs around 25°C and nights near 22°C. Pack rain gear. Worth having: light clothes and sun protection. About 27 days see rain.

rain gearlight clothessun protection

UV index in Nansio in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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 Nansio peaks around March 16 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeMar 16UV 16Jun 18UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Very high
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec12Extreme

Air quality in Nansio in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Nansio is worst in January — around 18 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodJan 2117 µg/m³Nov 128 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb16Moderate
Mar11Good
Apr9Good
May10Good
Jun14Moderate
Jul16Moderate
Aug15Moderate
Sep13Moderate
Oct9Good
Nov8Good
Dec10Good
Location & terrain

Where is Nansio?

Nansio sits at 2.1°S, 33.0°E, 1,134 m above sea level, in Tanzania. The nearest listed city is Muriti, 22 km away.

Sengerema

Topography around Nansio

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

Within 3 km, the terrain around Nansio has only modest variations in elevation — a maximum elevation change of 72 m around an average of 1,143 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 188 m; within 80 km, significant variations in elevation — a maximum elevation change of 473 m.

The land around Nansio is covered by water (69%) within 3 km, water (63%) within 16 km, and water (66%) and cropland (25%) within 80 km.

3 km
72 m
16 km
188 m
80 km
473 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Muriti 22 km · Kibara 44 km · Mwanza 46 km · Kisesa 46 km · Kihangara 60 km · Usagara 61 km · Magu 67 km · Sengerema 74 km

Tanzania travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type D / G
230 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$1,319
2025
Happiness
3.9 / 10
World Happiness, 2025
Safe drinking water
31%
of population, 2024
Homicide rate
3.7
per 100k, 2020
Road deaths
31.1
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Low
EF EPI 479
Religion
Christian 63%Muslim 34%folk religion 1%

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 Nansio (-2.1333°, 33.05°, elevation 1,134 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).