Chimala weather in December

In December, Chimala sees average daytime highs of 28°C and overnight lows near 18°C, with 183 mm of rain across 16.9 wet days and about 12.5 hours of daylight. It is the 4th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 29°C in the first days to 27°C by the end. The sky is clear or mostly clear about 15% of the time in December, and the air most often feels humid.

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

Daytime high
28°
4th warmest
Overnight low
18°
12th coldest
Rainfall
183 mm
16.9 wet days
Daylight
12 h 30 min
6:25 AM – 6:55 PM
Cloud cover
73%
9th clearest
Wind
5 km/h
9th windiest
Solar energy
5.97 kWh/m²
Travel score
4.8
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 29°C in the first days to 27°C by the end.

A typical December day in Chimala reaches about 28°C in the afternoon and slips back to 18°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 32°C. Set against its neighbours, December runs about 2°C cooler than November and about 1°C warmer than January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12918
22918
32918
42918
52918
62918
72918
82918
92918
102918
112918
122918
132818
142818
152818
162818
172818
182818
192818
202818
212818
222818
232818
242818
252818
262818
272818
282818
292718
302718
312718

Chimala weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 18°17520.612.54.7
Feb28° / 18°14017.412.34.7
Mar28° / 18°26720.912.14.7
Apr28° / 17°1731411.85.6
May28° / 16°151.611.67.5
Jun27° / 14°1011.58.5
Jul27° / 13°00.111.58.7
Aug28° / 14°00.111.78.1
Sep29° / 15°20.311.96.8
Oct31° / 17°413.112.25.5
Nov31° / 18°1188.812.44.8
Dec28° / 18°18316.912.54.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 71%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23862
33664
43664
53565
63565
73466
83466
93367
103268
113268
123169
133070
142971
152971
162872
172872
182773
192773
202773
212674
222674
232674
242575
252575
262377
272377
282278
292179
302179
312080

Chance of precipitation in December

Any precipitation

Chimala gets around 183 mm of rain over 16.9 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 55% and peaks near 63% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
141
242
342
443
544
646
747
848
949
1051
1152
1254
1355
1456
1557
1659
1759
1860
1960
2060
2161
2261
2361
2461
2561
2661
2761
2861
2962
3062
3163

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 51% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13043260
22943280
32843290
42742300
52642320
62541340
72441350
82340370
92139390
102038410
111937430
121836450
131735480
141634500
151532521
161531531
171430551
181328581
191327591
201326601
211225621
221225621
231224631
241124632
251123642
261023652
271023652
281022662
29922672
30922672
31822682

Wind in December

Winds average 5 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 30 min at the start of December to 12 h 30 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 6:19 AM to 6:32 AM, and sunset from 6:48 PM to 7:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:196:48
212.56:206:49
312.56:206:49
412.56:206:49
512.56:206:50
612.56:216:50
712.56:216:51
812.56:216:51
912.56:226:52
1012.56:226:52
1112.56:236:53
1212.56:236:53
1312.56:236:54
1412.56:246:54
1512.56:246:55
1612.56:256:55
1712.56:256:56
1812.56:266:56
1912.56:266:57
2012.56:266:57
2112.56:276:58
2212.56:276:58
2312.56:286:59
2412.56:286:59
2512.56:297:00
2612.56:297:00
2712.56:307:01
2812.56:307:01
2912.56:317:02
3012.56:317:02
3112.56:327:02

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.97 kWh/m².

For context, solar energy here swings from a low near 5.6 kWh/m² to a high of 7.21 kWh/m² in October across the year — December's 5.97 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.2Intense
76.2Intense
86.2Intense
96.1Intense
106.1Intense
116.1Intense
126.0Intense
136.0Bright
146.0Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.7Bright
Planning a trip in December

Hazard calendar for Chimala

In seasonPeak

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

Chimala'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 Chimala?

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

4.8
Sightseeing
8th-best month of the year
5.6
Beach & pool
9th-best month of the year

December is a reasonable time to visit Chimala for sightseeing.

What to pack for Chimala in December

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

In December, Chimala sees daytime highs around 28°C and nights near 18°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

UV index in Chimala 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 Chimala peaks around February 22 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 22UV 16Jun 18UV 10
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

Air quality in Chimala 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 Chimala is worst in October — around 19 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (May, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodOct 1219 µg/m³May 198 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb13Moderate
Mar11Good
Apr9Good
May7Good
Jun8Good
Jul11Good
Aug15Moderate
Sep18Moderate
Oct19Moderate
Nov14Moderate
Dec10Good
Location & terrain

Where is Chimala?

Chimala sits at 8.9°S, 34.0°E, 1,143 m above sea level, in Tanzania. The nearest listed city is Igurusi, 19 km away.

Topography around Chimala

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

Within 3 km, the terrain around Chimala has significant variations in elevation — a maximum elevation change of 590 m around an average of 1,194 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,422 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,467 m.

The land around Chimala is covered by cropland (37%), shrubs (27%) and trees (21%) within 3 km, cropland (34%), shrubs (32%) and trees (21%) within 16 km, and shrubs (29%), trees (28%) and cropland (25%) within 80 km.

3 km
590 m
16 km
1,422 m
80 km
2,467 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Igurusi 19 km · Urunda 38 km · Rujewa 43 km · Tukuyu 60 km · Katumba 61 km · Ilembula 62 km · Mbeya 63 km · Kiwira 64 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 Chimala (-8.8564°, 34.0239°, elevation 1,143 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).