Ruangwa weather in December

In December, Ruangwa sees average daytime highs of 31°C and overnight lows near 22°C, with 146 mm of rain across 21.2 wet days and about 12.6 hours of daylight. It is the 3rd-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 19% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 30 min at the start of December to 12 h 36 min by month's end. Set against the rest of the year, December is Ruangwa's 9th-clearest and 8th-windiest month. For the whole year in context, see Ruangwa's year-round climate.

Daytime high
31°
3rd warmest
Overnight low
22°
11th coldest
Rainfall
146 mm
21.2 wet days
Daylight
12 h 36 min
6:03 AM – 6:38 PM
Cloud cover
65%
9th clearest
Wind
8 km/h
8th windiest
Solar energy
5.73 kWh/m²
Travel score
3.5
out of 10

Ruangwa is settlement in 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 31°C through the month.

A typical December day in Ruangwa 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 28°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
213022
223022
233022
243022
253022
263022
273022
283022
293022
303022
313022

How December really feels in Ruangwa

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.

Ruangwa weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°15820.312.53.7
Feb30° / 22°15219.112.33.7
Mar29° / 22°22925.912.13.4
Apr29° / 21°14618.711.84.4
May29° / 19°305.711.56.3
Jun29° / 18°5111.47.1
Jul28° / 17°30.511.57.1
Aug29° / 18°51.311.76.6
Sep30° / 18°82.311.96.0
Oct31° / 20°215.412.25.2
Nov31° / 21°6111.512.54.3
Dec31° / 22°14621.212.63.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 25% of December, with mostly cloudy or overcast conditions the remaining 56%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25644
35446
45446
55347
65248
75248
85149
95050
104951
114852
124753
134654
144555
154555
164456
174357
184258
194060
204060
213961
223961
233862
243862
253763
263763
273664
283565
293565
303367
313367

Chance of precipitation in December

Any precipitation

Ruangwa gets around 146 mm of rain over 21.2 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 68% and peaks near 72% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
158
259
360
461
562
663
764
865
966
1067
1168
1268
1369
1470
1571
1671
1771
1872
1972
2071
2171
2271
2371
2471
2570
2670
2769
2869
2968
3068
3167

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 71% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
134849
234651
334552
424355
524256
624058
713960
813762
913564
1013465
1113267
1203070
1302971
1402773
1502674
1602476
1702377
1802278
1902179
2002080
2102080
2202080
2301981
2401981
2501981
2601981
2701882
2801882
2901882
3001882
3101783

Wind in December

Winds average 8 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 30 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 6 minutes over December. Sunrise moves from 5:58 AM to 6:10 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)
112.55:586:30
212.65:586:31
312.65:586:31
412.65:586:32
512.65:596:32
612.65:596:33
712.65:596:33
812.66:006:34
912.66:006:34
1012.66:006:35
1112.66:016:35
1212.66:016:36
1312.66:026:36
1412.66:026:37
1512.66:026:37
1612.66:036:38
1712.66:036:38
1812.66:046:39
1912.66:046:39
2012.66:056:40
2112.66:056:40
2212.66:066:41
2312.66:066:41
2412.66:076:42
2512.66:076:42
2612.66:086:43
2712.66:086:43
2812.66:086:44
2912.66:096:44
3012.66:096:44
3112.66:106:45

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.73 kWh/m².

For context, solar energy here swings from a low near 4.93 kWh/m² to a high of 6.17 kWh/m² in October across the year — December's 5.73 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in December

Hazard calendar for Ruangwa

In seasonPeak

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

Ruangwa'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 Ruangwa?

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

3.5
Sightseeing
11th-best month of the year
5.1
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Ruangwa.

What to pack for Ruangwa in December

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

In December, Ruangwa sees daytime highs around 31°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Ruangwa 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 Ruangwa peaks around March 11 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 11UV 15Jul 10UV 9
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

Air quality in Ruangwa 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 Ruangwa is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (May, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodJul 2318 µg/m³May 139 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb12Moderate
Mar10Good
Apr10Good
May8Good
Jun12Good
Jul18Moderate
Aug17Moderate
Sep11Good
Oct13Moderate
Nov10Good
Dec9Good
Location & terrain

Where is Ruangwa?

Ruangwa sits at 10.1°S, 38.9°E, 348 m above sea level, in Tanzania. The nearest listed city is Nachingwea, 39 km away.

MasasiLindiLuchinguNangomba

Topography around Ruangwa

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

Within 3 km, the terrain around Ruangwa has only modest variations in elevation — a maximum elevation change of 199 m around an average of 342 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 630 m; within 80 km, large variations in elevation — a maximum elevation change of 939 m.

The land around Ruangwa is covered by trees (49%) and shrubs (22%) within 3 km, trees (62%) within 16 km, and trees (50%), grassland (24%) and shrubs (20%) within 80 km.

3 km
199 m
16 km
630 m
80 km
939 m
treesshrubsgrasslandcroplandartificial surfaces
December weather nearby: Nachingwea 39 km · Nanganga 42 km · Nyangao 48 km · Lukuledi 57 km · Masasi 74 km · Lindi 86 km · Luchingu 102 km · Nangomba 104 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 Ruangwa (-10.0667°, 38.9333°, elevation 348 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).