Nanganga weather in December

In December, Nanganga sees average daytime highs of 29°C and overnight lows near 21°C, with 140 mm of rain across 19.8 wet days and about 12.6 hours of daylight. It is the 2nd-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°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 36 min at the start of December to 12 h 36 min by month's end. Set against the rest of the year, December is Nanganga's 9th-clearest and 6th-windiest month. For the whole year in context, see Nanganga's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
21°
10th coldest
Rainfall
140 mm
19.8 wet days
Daylight
12 h 36 min
6:01 AM – 6:38 PM
Cloud cover
65%
9th clearest
Wind
9 km/h
6th windiest
Solar energy
5.84 kWh/m²
Travel score
4.1
out of 10

Nanganga is settlement in Mtwara 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 29°C through the month.

A typical December day in Nanganga reaches about 29°C in the afternoon and slips back to 21°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13021
23021
33021
43021
53021
63021
73021
83021
93021
103021
113021
123021
133021
142921
152921
162921
172921
182921
192921
202921
212921
222921
232921
242921
252921
262921
272921
282921
292921
302921
312921

Nanganga weather by month

How December compares with the rest of the year at a glance. December is the 2nd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 21°17421.212.54.0
Feb29° / 21°18619.412.34.0
Mar28° / 21°25126.212.13.6
Apr28° / 20°12619.211.84.9
May28° / 18°286.411.57.1
Jun27° / 17°61.811.47.9
Jul27° / 16°51.411.58.0
Aug28° / 16°61.911.77.7
Sep29° / 17°93.211.96.8
Oct29° / 19°246.812.25.9
Nov30° / 20°5611.512.55.0
Dec29° / 21°14019.812.64.1

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 22% of December, with mostly cloudy or overcast conditions the remaining 57%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25644
35545
45545
55347
65248
75248
85149
95050
105050
114852
124852
134654
144456
154456
164357
174258
184159
194060
203961
213862
223862
233763
243664
253565
263466
273367
283367
293070
302971
312872

Chance of precipitation in December

Any precipitation

Nanganga gets around 140 mm of rain over 19.8 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 63% and peaks near 68% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
154
255
356
457
558
659
760
860
961
1061
1162
1262
1363
1463
1564
1664
1765
1865
1965
2066
2166
2266
2367
2467
2567
2667
2768
2868
2968
3068
3168

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 54% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
167420
257322
357223
447125
546927
636829
736631
826533
926335
1016237
1115940
1215742
1315544
1415346
1515148
1614950
1714851
1814752
1914653
2014554
2114455
2214455
2314356
2414356
2514356
2614356
2714356
2814356
2914257
3014257
3114158

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 9 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
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 36 min at the start of December to 12 h 36 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 5:56 AM to 6:09 AM, and sunset from 6:30 PM to 6:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:566:30
212.65:566:31
312.65:576:31
412.65:576:32
512.65:576:32
612.65:586:33
712.65:586:33
812.65:586:34
912.65:596:34
1012.65:596:35
1112.65:596:35
1212.66:006:36
1312.66:006:36
1412.66:016:37
1512.66:016:37
1612.66:016:38
1712.66:026:38
1812.66:026:39
1912.66:036:39
2012.66:036:40
2112.66:046:40
2212.66:046:41
2312.66:056:41
2412.66:056:42
2512.66:066:42
2612.66:066:42
2712.66:076:43
2812.66:076:43
2912.66:086:44
3012.66:086:44
3112.66:096:45

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.84 kWh/m².

For context, solar energy here swings from a low near 4.98 kWh/m² to a high of 6.32 kWh/m² in October across the year — December's 5.84 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.0Intense
56.0Intense
66.0Intense
76.0Bright
86.0Bright
96.0Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in December

Hazard calendar for Nanganga

In seasonPeak

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

Nanganga's monsoon runs December–April, when most of the year's rain falls.

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

Is December a good time to visit Nanganga?

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

4.1
Sightseeing
9th-best month of the year
5.4
Beach & pool
8th-best month of the year

December is a reasonable time to visit Nanganga for sightseeing.

What to pack for Nanganga in December

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

In December, Nanganga sees daytime highs around 29°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

UV index in Nanganga in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nanganga peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 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 highExtremeMar 13UV 15Jul 10UV 9
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May10Very high
Jun10Very high
Jul9Very high
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

Air quality in Nanganga 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 Nanganga is worst in July — around 18 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (May, 10 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodJul 2418 µg/m³May 1510 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb12Moderate
Mar11Good
Apr11Good
May10Good
Jun12Good
Jul18Moderate
Aug18Moderate
Sep11Good
Oct10Good
Nov12Good
Dec10Good
Location & terrain

Where is Nanganga?

Nanganga sits at 10.4°S, 39.1°E, 214 m above sea level, in Tanzania. The nearest listed city is Nyangao, 16 km away.

Topography around Nanganga

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

Within 3 km, the terrain around Nanganga has only modest variations in elevation — a maximum elevation change of 90 m around an average of 221 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 687 m; within 80 km, large variations in elevation — a maximum elevation change of 936 m.

The land around Nanganga is covered by grassland (37%), shrubs (31%) and cropland (22%) within 3 km, trees (43%), shrubs (25%) and grassland (20%) within 16 km, and trees (47%), shrubs (22%) and grassland (22%) within 80 km.

3 km
90 m
16 km
687 m
80 km
936 m
treesshrubsgrasslandcroplandartificial surfaces
December weather nearby: Nyangao 16 km · Nachingwea 42 km · Ruangwa 42 km · Lukuledi 43 km · Masasi 53 km · Luchingu 61 km · Newala 63 km · Newala Kisimani 65 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 Nanganga (-10.3833°, 39.15°, elevation 214 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).