Otjiwarongo weather in December

In December, Otjiwarongo sees average daytime highs of 32°C and overnight lows near 18°C, with 82 mm of rain across 11.8 wet days and about 13.2 hours of daylight. It is the 3rd-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 37% of the time in December, and the air most often feels dry.

Daylight stretches from about 13 h 12 min at the start of December to 13 h 12 min by month's end. Set against the rest of the year, December is Otjiwarongo's 10th-clearest and 10th-windiest month. For the whole year in context, see Otjiwarongo's year-round climate.

Daytime high
32°
3rd warmest
Overnight low
18°
12th coldest
Rainfall
82 mm
11.8 wet days
Daylight
13 h 12 min
6:13 AM – 7:27 PM
Cloud cover
53%
10th clearest
Wind
10 km/h
10th windiest
Solar energy
7.35 kWh/m²
Travel score
4.0
out of 10

Otjiwarongo is city in Namibia.

Founded
1906

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 32°C through the month.

A typical December day in Otjiwarongo reaches about 32°C in the afternoon and slips back to 18°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 35°C. Set against its neighbours, December runs on par with November and about 1°C warmer than January.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13218
23218
33218
43218
53218
63218
73218
83218
93218
103218
113218
123218
133218
143218
153218
163218
173218
183218
193218
203218
213218
223218
233218
243218
253218
263218
273218
283118
293118
303118
313118

How December really feels in Otjiwarongo

Once humidity and wind are folded in, December averages 1 day 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
1
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.

Otjiwarongo 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
Jan31° / 18°12114.213.14.3
Feb30° / 18°11814.312.74.5
Mar29° / 17°8312.712.15.4
Apr28° / 15°285.611.57.5
May26° / 12°20.4119.1
Jun24° / 0010.89.7
Jul24° / 00.110.99.6
Aug27° / 10°00.111.38.8
Sep31° / 14°41.211.96.2
Oct32° / 17°184.412.54.6
Nov32° / 18°428.3134.3
Dec32° / 18°8211.813.24.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 23% of December, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26436
36436
46436
56436
66436
76436
86436
96535
106535
116535
126634
136634
146535
156535
166436
176337
186238
196139
205941
215743
225644
235545
245446
255347
265248
275149
285050
295050
305050
315050

Chance of precipitation in December

Any precipitation

Otjiwarongo gets around 82 mm of rain over 11.8 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 38% and peaks near 43% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
237
337
437
536
636
735
835
934
1034
1134
1234
1334
1434
1535
1635
1736
1837
1937
2038
2139
2240
2341
2442
2542
2643
2743
2843
2943
3042
3142

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 67% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
17117120
27117120
37117120
47017130
57017130
67017130
77017130
87017130
97116130
107116130
117116130
127116130
137116130
147116130
157116130
167016140
177016140
186816151
196716161
206616171
216516181
226516181
236316192
246216202
256116212
266016222
275916232
285816242
295715253
305715253
315715262

Wind in December

Winds average 10 km/h in December.

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 13 h 12 min at the start of December to 13 h 12 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 6:09 AM to 6:20 AM, and sunset from 7:18 PM to 7:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.26:097:18
213.26:097:18
313.26:097:19
413.26:097:20
513.26:097:20
613.26:097:21
713.26:107:21
813.26:107:22
913.26:107:23
1013.26:117:23
1113.26:117:24
1213.26:117:24
1313.26:117:25
1413.26:127:25
1513.26:127:26
1613.26:137:27
1713.26:137:27
1813.26:137:28
1913.26:147:28
2013.26:147:29
2113.26:157:29
2213.26:157:30
2313.26:167:30
2413.26:167:31
2513.26:177:31
2613.26:177:31
2713.26:187:32
2813.26:187:32
2913.26:197:33
3013.26:197:33
3113.26:207:33

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.35 kWh/m².

For context, solar energy here swings from a low near 4.85 kWh/m² to a high of 7.42 kWh/m² in November across the year — December's 7.35 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.4Intense
27.4Intense
37.4Intense
47.4Intense
57.4Intense
67.4Intense
77.4Intense
87.4Intense
97.4Intense
107.4Intense
117.4Intense
127.4Intense
137.4Intense
147.4Intense
157.4Intense
167.4Intense
177.4Intense
187.4Intense
197.4Intense
207.3Intense
217.3Intense
227.3Intense
237.3Intense
247.3Intense
257.3Intense
267.2Intense
277.2Intense
287.2Intense
297.2Intense
307.2Intense
317.2Intense
Planning a trip in December

Is December a good time to visit Otjiwarongo?

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

4.0
Sightseeing
12th-best month of the year
6.3
Beach & pool
10th-best month of the year

December is a reasonable time to visit Otjiwarongo for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Otjiwarongo in December

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

In December, Otjiwarongo sees daytime highs around 32°C and nights near 18°C. Pack light clothes and sun protection. Worth having: rain gear. About 12 days see rain.

light clothessun protectionrain gear

UV index in Otjiwarongo in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Otjiwarongo peaks around January 15 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highVery highExtremeJan 15UV 16Jun 19UV 7
UV index (midday)Level
Jan16Extreme
Feb14Extreme
Mar14Extreme
Apr10Extreme
May8Very high
Jun7High
Jul7Very high
Aug9Very high
Sep10Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Otjiwarongo 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 Otjiwarongo is worst in October — around 19 µg/m³ PM2.5 (moderate), about 4.7× the cleanest month (May, 4 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateOct 1019 µg/m³May 154 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb10Good
Mar7Good
Apr4Good
May4Good
Jun5Good
Jul5Good
Aug11Good
Sep19Moderate
Oct19Moderate
Nov16Moderate
Dec13Moderate
Location & terrain

Where is Otjiwarongo?

Otjiwarongo sits at 20.5°S, 16.6°E, 1,475 m above sea level, in Namibia. The nearest listed city is Okahandja, 171 km away.

OkahandjaTsumebGrootfonteinKatuturaWindhoekOndangwaOngwedivaOshakati

Topography around Otjiwarongo

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

Within 3 km, the terrain around Otjiwarongo has only modest variations in elevation — a maximum elevation change of 59 m around an average of 1,466 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 402 m; within 80 km, large variations in elevation — a maximum elevation change of 1,016 m.

The land around Otjiwarongo is covered by shrubs (61%) and artificial surfaces (22%) within 3 km, shrubs (84%) within 16 km, and shrubs (92%) within 80 km.

3 km
59 m
16 km
402 m
80 km
1,016 m
treesshrubsgrasslandartificial surfacesbare terrain
December weather nearby: Okahandja 171 km · Tsumeb 175 km · Grootfontein 181 km · Katutura 233 km · Windhoek 237 km · Ondangwa 293 km · Ongwediva 313 km · Oshakati 314 km

Namibia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type D / M
220 V · 50 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$4,876
2025
Happiness
4.8 / 10
World Happiness, 2025
Homicide rate
11.2
per 100k, 2021
Road deaths
34.8
per 100k/yr, 2019
Income group
Lower middle
World Bank
Religion
Christian 98%unaffiliated 2%other 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 Otjiwarongo (-20.4637°, 16.6477°, elevation 1,475 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).