Nyangao weather in December

In December, Nyangao sees average daytime highs of 31°C and overnight lows near 22°C, with 123 mm of rain across 19.6 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 31°C through the month. The sky is clear or mostly clear about 24% of the time in December, and the air most often feels oppressive.

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 Nyangao's 9th-clearest and 7th-windiest month. For the whole year in context, see Nyangao's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
22°
11th coldest
Rainfall
123 mm
19.6 wet days
Daylight
12 h 36 min
6:01 AM – 6:37 PM
Cloud cover
63%
9th clearest
Wind
8 km/h
7th windiest
Solar energy
5.8 kWh/m²
Travel score
3.7
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical December day in Nyangao reaches about 31°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13122
23122
33122
43122
53122
63122
73122
83122
93122
103122
113122
123122
133122
143122
153122
163122
173122
183122
193122
203122
213122
223122
233022
243022
253022
263022
273022
283022
293022
303022
313022

How December really feels in Nyangao

Once humidity and wind are folded in, December averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Nyangao 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
Jan30° / 22°16120.512.53.7
Feb30° / 22°16619.212.33.7
Mar29° / 22°21325.512.13.4
Apr29° / 21°1051811.84.5
May29° / 19°23511.56.4
Jun28° / 17°4111.47.4
Jul28° / 17°30.511.57.8
Aug29° / 17°31.111.77.0
Sep30° / 18°62.111.96.4
Oct30° / 20°175.412.25.6
Nov31° / 21°4510.112.54.6
Dec31° / 22°12319.612.63.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% 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 54%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
25941
35743
45743
55644
65545
75446
85446
95446
105248
115149
125050
134951
144852
154852
164654
174654
184555
194357
204258
214159
224060
233961
243961
253763
263763
273664
283466
293466
303268
313268

Chance of precipitation in December

Any precipitation

Nyangao gets around 123 mm of rain over 19.6 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 67% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
150
251
353
454
555
657
758
859
960
1061
1162
1262
1363
1464
1565
1665
1766
1866
1967
2067
2167
2267
2367
2467
2567
2667
2767
2867
2967
3067
3166

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 65% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
135641
235443
335245
425147
524949
624751
724652
814455
914257
1014059
1113960
1203763
1303565
1403367
1503268
1603070
1702971
1802872
1902773
2002674
2102674
2202575
2302575
2402575
2502476
2602476
2702476
2802377
2902377
3002377
3102278

Wind in December

Winds average 8 km/h in December.

Across December, daily wind ranges from about 7 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
19calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 6:08 AM, and sunset from 6:29 PM to 6:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:566:29
212.65:566:30
312.65:566:30
412.65:576:31
512.65:576:31
612.65:576:32
712.65:586:32
812.65:586:33
912.65:586:34
1012.65:596:34
1112.65:596:35
1212.65:596:35
1312.66:006:36
1412.66:006:36
1512.66:016:37
1612.66:016:37
1712.66:016:38
1812.66:026:38
1912.66:026:39
2012.66:036:39
2112.66:036:40
2212.66:046:40
2312.66:046:40
2412.66:056:41
2512.66:056:41
2612.66:066:42
2712.66:066:42
2812.66:076:43
2912.66:076:43
3012.66:086:44
3112.66:086:44

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.8 kWh/m².

For context, solar energy here swings from a low near 4.96 kWh/m² to a high of 6.25 kWh/m² in October across the year — December's 5.8 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.0Intense
56.0Bright
66.0Bright
76.0Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.5Bright
315.5Bright
Planning a trip in December

Hazard calendar for Nyangao

In seasonPeak

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

Nyangao'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 Nyangao?

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

3.7
Sightseeing
9th-best month of the year
5.3
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Nyangao.

What to pack for Nyangao in December

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

In December, Nyangao sees daytime highs around 31°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

UV index in Nyangao 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 Nyangao 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 Nyangao 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 Nyangao 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 Nyangao?

Nyangao sits at 10.3°S, 39.3°E, 182 m above sea level, in Tanzania. The nearest listed city is Nanganga, 16 km away.

Topography around Nyangao

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

Within 3 km, the terrain around Nyangao has only modest variations in elevation — a maximum elevation change of 108 m around an average of 181 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 635 m; within 80 km, large variations in elevation — a maximum elevation change of 936 m.

The land around Nyangao is covered by shrubs (36%) and trees (34%) within 3 km, trees (60%) within 16 km, and trees (50%) and grassland (21%) within 80 km.

3 km
108 m
16 km
635 m
80 km
936 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Nanganga 16 km · Ruangwa 48 km · Nachingwea 57 km · Lukuledi 59 km · Tandahimba 60 km · Lindi 60 km · Luchingu 63 km · Kitama 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 Nyangao (-10.3333°, 39.2833°, elevation 182 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).