Grootfontein weather in January

In January, Grootfontein sees average daytime highs of 29°C and overnight lows near 19°C, with 165 mm of rain across 16.9 wet days and about 13 hours of daylight. It is the 5th-warmest and 1st-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 23% of the time in January, and the air most often feels humid.

Daylight stretches from about 13 h 12 min at the start of January to 12 h 54 min by month's end. Set against the rest of the year, January is Grootfontein's 12th-clearest and 9th-windiest month. For the whole year in context, see Grootfontein's year-round climate.

Daytime high
29°
5th warmest
Overnight low
19°
11th coldest
Rainfall
165 mm
16.9 wet days
Daylight
13 h 06 min
6:25 AM – 7:29 PM
Cloud cover
68%
12th clearest
Wind
10 km/h
9th windiest
Solar energy
6.51 kWh/m²
Travel score
4.5
out of 10

Grootfontein is city in Namibia.

Founded
1885

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical January day in Grootfontein reaches about 29°C in the afternoon and slips back to 19°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 33°C. Set against its neighbours, January runs about 1°C cooler than December and about 1°C warmer than February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13019
23019
33019
43019
53019
63019
73019
83019
92919
102919
112919
122919
132919
142919
152919
162919
172919
182919
192919
202919
212919
222919
232919
242919
252919
262919
272919
282919
292919
302919
312919

How January really feels in Grootfontein

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

January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Grootfontein weather by month

How January compares with the rest of the year at a glance. January is the 5th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 19°16516.9134.5
Feb28° / 18°14715.912.74.8
Mar28° / 18°11214.712.15.6
Apr27° / 15°335.811.67.6
May25° / 12°10.511.19.2
Jun23° / 0010.89.6
Jul23° / 0010.99.5
Aug27° / 11°00.111.38.9
Sep30° / 15°50.911.96.4
Oct32° / 18°234.712.54.6
Nov31° / 19°7112.112.94.2
Dec30° / 19°11715.713.24.2

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of January, with mostly cloudy or overcast conditions the remaining 60%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34060
44060
54159
64159
74258
84258
94159
104060
114159
124159
134060
144060
154060
163961
173961
183961
193862
203862
213862
223961
233961
243961
253961
263961
273961
284060
294060
304159
314357

Chance of precipitation in January

Any precipitation

Grootfontein gets around 165 mm of rain over 16.9 wet days in January, the wettest month. 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 58% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
153
252
352
452
551
651
751
852
952
1053
1153
1254
1354
1455
1555
1656
1757
1857
1958
2058
2158
2258
2358
2458
2558
2658
2758
2858
2958
3058
3158

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the humid band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13420379
23520379
33520369
43620369
53619369
63619368
73619378
83619378
93519387
103519397
113419407
123319417
133319426
143118446
153018456
162918467
172818477
182719487
192619487
202519497
212420497
222320497
232321497
242222497
252123497
262123497
272124497
282024487
292025487
302025487
312025487

Wind in January

Winds average 10 km/h in January.

Across January, 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
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 12 min at the start of January to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over January. Sunrise moves from 6:16 AM to 6:34 AM, and sunset from 7:26 PM to 7:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.26:167:26
213.26:167:26
313.26:177:26
413.16:187:27
513.16:187:27
613.16:197:27
713.16:197:27
813.16:207:28
913.16:217:28
1013.16:217:28
1113.16:227:28
1213.16:227:28
1313.16:237:28
1413.16:247:29
1513.16:247:29
1613.16:257:29
1713.16:267:29
1813.06:267:29
1913.06:277:29
2013.06:287:29
2113.06:287:29
2213.06:297:29
2313.06:297:29
2413.06:307:29
2513.06:317:29
2613.06:317:29
2712.96:327:28
2812.96:327:28
2912.96:337:28
3012.96:347:28
3112.96:347:28

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.51 kWh/m².

For context, solar energy here swings from a low near 4.89 kWh/m² to a high of 7.28 kWh/m² in October across the year — January's 6.51 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.7Intense
46.7Intense
56.7Intense
66.7Intense
76.7Intense
86.7Intense
96.7Intense
106.6Intense
116.6Intense
126.6Intense
136.6Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.4Intense
196.4Intense
206.4Intense
216.4Intense
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.4Intense
276.4Intense
286.4Intense
296.4Intense
306.4Intense
316.4Intense
Planning a trip in January

Hazard calendar for Grootfontein

In seasonPeak

In January, Grootfontein sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Grootfontein's rainy season runs December–March, when most of the year's rain falls.

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

Is January a good time to visit Grootfontein?

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

4.5
Sightseeing
10th-best month of the year
5.8
Beach & pool
12th-best month of the year

January is a reasonable time to visit Grootfontein for sightseeing.

What to pack for Grootfontein in January

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

In January, Grootfontein sees daytime highs around 29°C and nights near 19°C. Pack light clothes, rain gear and sun protection. About 17 days see rain.

light clothesrain gearsun protection

UV index in Grootfontein in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Grootfontein peaks around January 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 15UV 15Jun 23UV 7
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar14Extreme
Apr10Extreme
May9Very high
Jun7Very high
Jul7Very high
Aug9Very high
Sep9Very high
Oct12Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Grootfontein?

Grootfontein sits at 19.6°S, 18.1°E, 1,432 m above sea level, in Namibia. The nearest listed city is Tsumeb, 54 km away.

OtjiwarongoRunduOndangwaOkahandjaOngwedivaOshakatiNdiyona

Topography around Grootfontein

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

Within 3 km, the terrain around Grootfontein has only modest variations in elevation — a maximum elevation change of 86 m around an average of 1,447 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 376 m; within 80 km, large variations in elevation — a maximum elevation change of 956 m.

The land around Grootfontein is covered by shrubs (64%) within 3 km, shrubs (82%) within 16 km, and shrubs (93%) within 80 km.

3 km
86 m
16 km
376 m
80 km
956 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
January weather nearby: Tsumeb 54 km · Otjiwarongo 181 km · Rundu 255 km · Ondangwa 290 km · Okahandja 295 km · Ongwediva 317 km · Oshakati 321 km · Ndiyona 323 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 Grootfontein (-19.5733°, 18.1003°, elevation 1,432 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).