Bultfontein weather in January

In January, Bultfontein sees average daytime highs of 30°C and overnight lows near 18°C, with 84 mm of rain across 12.1 wet days and about 13.6 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 53% of the time in January, and the air most often feels dry.

Daylight stretches from about 13 h 48 min at the start of January to 13 h 24 min by month's end. Set against the rest of the year, January is Bultfontein's 11th-clearest and 6th-windiest month. For the whole year in context, see Bultfontein's year-round climate.

Daytime high
30°
1st warmest
Overnight low
18°
12th coldest
Rainfall
84 mm
12.1 wet days
Daylight
13 h 36 min
5:36 AM – 7:13 PM
Cloud cover
42%
11th clearest
Wind
11 km/h
6th windiest
Solar energy
7.41 kWh/m²
Travel score
4.8
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical January day in Bultfontein reaches about 30°C in the afternoon and slips back to 18°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 35°C. Set against its neighbours, January runs on par with December and about 1°C warmer than February.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
13117
23118
33118
43118
53118
63118
73118
83118
93118
103118
113118
123118
133118
143018
153018
163018
173018
183018
193018
203018
213018
223018
233018
243018
253018
263018
273018
283018
293018
303018
313018

How January really feels in Bultfontein

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.

Bultfontein weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 18°8412.113.64.8
Feb29° / 17°7110.5135.3
Mar28° / 15°6810.112.26.5
Apr24° / 11°446.911.37.8
May22° / 203.110.68.3
Jun19° / 111.710.28.0
Jul19° / 7110.48.2
Aug21° / 162.1118.6
Sep26° / 142.511.88.6
Oct28° / 13°456.912.77.1
Nov29° / 15°658.213.46.0
Dec30° / 16°7811.513.84.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 23% of January, with mostly cloudy or overcast conditions the remaining 24%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17723
27723
37723
47723
57723
67723
77723
87822
97822
107723
117723
127723
137723
147624
157624
167624
177624
187426
197426
207426
217327
227426
237426
247426
257426
267426
277426
287426
297426
307426
317426

Chance of precipitation in January

Any precipitation

Bultfontein gets around 84 mm of rain over 12.1 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 39% 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 (%)
135
235
335
434
534
634
734
834
934
1034
1135
1236
1336
1437
1538
1640
1740
1841
1942
2043
2143
2243
2343
2443
2543
2643
2742
2842
2941
3040
3140

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 43% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15131171
25031181
35031181
45131171
55131171
65032171
75032171
85032171
94933171
104933171
114833181
124734181
134634191
144534201
154434211
164334221
174234231
184135241
194035251
203935251
213835262
223735272
233635272
243635282
253535282
263535292
273535292
283535292
293535282
303535282
313535281

Wind in January

Winds average 11 km/h in January.

Across January, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 48 min at the start of January to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over January. Sunrise moves from 5:25 AM to 5:48 AM, and sunset from 7:12 PM to 7:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:257:12
213.85:267:12
313.85:277:12
413.75:277:12
513.75:287:13
613.75:297:13
713.75:307:13
813.75:307:13
913.75:317:13
1013.75:327:13
1113.75:327:13
1213.75:337:13
1313.75:347:13
1413.65:357:13
1513.65:357:13
1613.65:367:13
1713.65:377:13
1813.65:387:13
1913.65:397:13
2013.65:397:13
2113.55:407:12
2213.55:417:12
2313.55:427:12
2413.55:437:12
2513.55:437:11
2613.45:447:11
2713.45:457:11
2813.45:467:10
2913.45:477:10
3013.45:477:10
3113.45:487:09

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 7.41 kWh/m².

For context, solar energy here swings from a low near 3.69 kWh/m² to a high of 7.67 kWh/m² in December across the year — January's 7.41 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.6Intense
27.6Intense
37.6Intense
47.6Intense
57.6Intense
67.6Intense
77.6Intense
87.6Intense
97.6Intense
107.5Intense
117.5Intense
127.5Intense
137.5Intense
147.5Intense
157.5Intense
167.4Intense
177.4Intense
187.4Intense
197.4Intense
207.3Intense
217.3Intense
227.3Intense
237.3Intense
247.2Intense
257.2Intense
267.2Intense
277.2Intense
287.2Intense
297.2Intense
307.1Intense
317.1Intense
Planning a trip in January

Is January a good time to visit Bultfontein?

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

4.8
Sightseeing
12th-best month of the year
6.8
Beach & pool
7th-best month of the year

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

What to pack for Bultfontein in January

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

In January, Bultfontein sees daytime highs around 30°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 Bultfontein 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 Bultfontein peaks around January 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 13UV 15Jun 21UV 5
UV index (midday)Level
Jan15Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May6High
Jun5Moderate
Jul5Moderate
Aug7High
Sep9Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Bultfontein in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Bultfontein is worst in June — around 17 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (December, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1917 µg/m³Dec 116 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar10Good
Apr12Good
May16Moderate
Jun17Moderate
Jul17Moderate
Aug16Moderate
Sep16Moderate
Oct11Good
Nov6Good
Dec6Good
Location & terrain

Where is Bultfontein?

Bultfontein sits at 28.3°S, 26.1°E, 1,319 m above sea level, in South Africa. The nearest listed city is Wesselsbron, 53 km away.

Topography around Bultfontein

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

Within 3 km, the terrain around Bultfontein has only modest variations in elevation — a maximum elevation change of 40 m around an average of 1,319 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 129 m; within 80 km, significant variations in elevation — a maximum elevation change of 381 m.

The land around Bultfontein is covered by grassland (64%) within 3 km, grassland (62%) and cropland (36%) within 16 km, and grassland (58%) and cropland (37%) within 80 km.

3 km
40 m
16 km
129 m
80 km
381 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Wesselsbron 53 km · Winnie Mandela 55 km · Theunissen 56 km · Hoopstad 56 km · Welkom 67 km · Odendaalsrus 70 km · Virginia 73 km · Allanridge 77 km

South Africa travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / M / N
230 V · 50 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$6,598
2025
Happiness
5.0 / 10
World Happiness, 2025
Safe drinking water
68%
of population, 2024
Homicide rate
43.7
per 100k, 2022
Road deaths
22.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very high
EF EPI 602
Religion
Christian 86%or other traditional African religions 5%nothing in particular 5%Muslim 2%

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 Bultfontein (-28.2876°, 26.15°, elevation 1,319 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).