Caledon weather in January

In January, Caledon sees average daytime highs of 27°C and overnight lows near 16°C, with 25 mm of rain across 5 wet days and about 14 hours of daylight. It is the 2nd-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 61% of the time in January, and the air most often feels comfortable.

Daylight stretches from about 14 h 12 min at the start of January to 13 h 42 min by month's end. Set against the rest of the year, January is Caledon's 1st-clearest and 2nd-windiest month. For the whole year in context, see Caledon's year-round climate.

Daytime high
27°
2nd warmest
Overnight low
16°
11th coldest
Rainfall
25 mm
5 wet days
Daylight
14 h 06 min
5:50 AM – 7:53 PM
Cloud cover
35%
1st clearest
Wind
13 km/h
2nd windiest
Solar energy
7.6 kWh/m²
Travel score
7.8
out of 10

Caledon is town in the Western Cape, South Africa.

Density
928/km²
people per km²
Founded
1811

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 27°C through the month.

A typical January day in Caledon reaches about 27°C in the afternoon and slips back to 16°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 31°C. Set against its neighbours, January runs about 1°C warmer than December and on par with February.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12716
22716
32716
42716
52716
62716
72716
82716
92716
102716
112716
122716
132716
142716
152716
162716
172717
182717
192717
202717
212717
222717
232717
242717
252717
262717
272717
282717
292717
302717
312717

Caledon weather by month

How January compares with the rest of the year at a glance. January is the 2nd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 16°255147.8
Feb27° / 17°225.513.37.6
Mar26° / 15°28612.37.7
Apr23° / 13°386.211.27.6
May20° / 10°386.210.27.0
Jun17° / 568.69.85.9
Jul17° / 5889.95.7
Aug17° / 518.910.75.8
Sep19° / 357.211.86.5
Oct21° / 11°386.712.97.2
Nov23° / 13°385.813.87.7
Dec26° / 15°235.314.27.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 61% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 24%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27228
37228
47327
57327
67426
77426
87426
97624
107624
117624
127723
137723
147723
157723
167921
177921
187921
197921
207822
217822
227822
237723
247723
257723
267525
277525
287525
297624
307525
317525

Chance of precipitation in January

Any precipitation

Caledon gets around 25 mm of rain over 5 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 16% and peaks near 18% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
118
218
318
418
518
618
717
817
917
1017
1116
1216
1316
1415
1515
1614
1714
1814
1914
2014
2114
2214
2314
2415
2515
2615
2716
2816
2916
3017
3117

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the comfortable band about 45% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13743201
23743201
33642201
43742201
53742201
63742201
73742201
83742201
93742202
103742202
113742192
123742192
133742183
143742183
153643183
163543183
173443194
183344194
193245194
203146204
212946204
222847204
232748214
242649214
252650214
262551213
272452213
282451223
292451223
302352223
312352232

Wind in January

Winds average 13 km/h in January.

Across January, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 14 h 12 min at the start of January to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over January. Sunrise moves from 5:38 AM to 6:04 AM, and sunset from 7:53 PM to 7:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:387:53
214.25:397:53
314.25:397:53
414.25:407:53
514.25:417:54
614.25:427:54
714.25:427:54
814.25:437:54
914.25:447:54
1014.15:457:54
1114.15:467:54
1214.15:477:54
1314.15:477:54
1414.15:487:53
1514.15:497:53
1614.15:507:53
1714.05:517:53
1814.05:527:53
1914.05:537:52
2014.05:547:52
2114.05:557:52
2213.95:567:51
2313.95:577:51
2413.95:577:51
2513.95:587:50
2613.85:597:50
2713.86:007:49
2813.86:017:49
2913.86:027:48
3013.76:037:48
3113.76:047:47

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 7.6 kWh/m².

For context, solar energy here swings from a low near 2.48 kWh/m² to a high of 7.68 kWh/m² in December across the year — January's 7.6 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.7Intense
27.7Intense
37.7Intense
47.7Intense
57.7Intense
67.7Intense
77.7Intense
87.7Intense
97.7Intense
107.7Intense
117.7Intense
127.7Intense
137.7Intense
147.7Intense
157.6Intense
167.6Intense
177.6Intense
187.6Intense
197.6Intense
207.5Intense
217.5Intense
227.5Intense
237.5Intense
247.5Intense
257.4Intense
267.4Intense
277.4Intense
287.3Intense
297.3Intense
307.3Intense
317.2Intense
Planning a trip in January

Is January a good time to visit Caledon?

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

7.8
Sightseeing
1st-best month of the year
7.7
Beach & pool
1st-best month of the year

January is one of the better times to visit Caledon for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Caledon in January

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

In January, Caledon sees daytime highs around 27°C and nights near 16°C. Pack sun protection. Worth having: light clothes. About 5 days see rain.

sun protectionlight clothes

Sea temperature near Caledon in January

The nearest coast averages about 19°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 17 km away) is warmest in January at about 19°C and coldest in July near 15°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

14°16°18°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan19Cool
Feb19Cool
Mar17Cool
Apr16Cool
May16Cool
Jun16Cool
Jul15Bracing
Aug15Bracing
Sep15Cool
Oct16Cool
Nov17Cool
Dec19Cool

UV index in Caledon in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 Caledon peaks around January 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 13UV 13Jun 20UV 3
UV index (midday)Level
Jan13Extreme
Feb10Very high
Mar9Very high
Apr6High
May3Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct10Extreme
Nov11Extreme
Dec12Extreme

Air quality in Caledon 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 Caledon is worst in June — around 18 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (November, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodJun 1718 µg/m³Nov 177 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb8Good
Mar12Moderate
Apr11Good
May16Moderate
Jun18Moderate
Jul16Moderate
Aug15Moderate
Sep13Moderate
Oct9Good
Nov7Good
Dec8Good
Location & terrain

Where is Caledon?

Caledon sits at 34.2°S, 19.4°E, 260 m above sea level, in South Africa. The nearest listed city is Hermanus, 27 km away.

Topography around Caledon

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

Within 3 km, the terrain around Caledon has significant variations in elevation — a maximum elevation change of 486 m around an average of 292 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,037 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,046 m.

The land around Caledon is covered by cropland (44%) within 3 km, cropland (53%) and grassland (32%) within 16 km, and grassland (31%) and water (25%) within 80 km.

3 km
486 m
16 km
1,037 m
80 km
2,046 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Hermanus 27 km · Grabouw 39 km · Gansbaai 40 km · Franschhoek 45 km · Le Roux 48 km · Somerset West 58 km · Stellenbosch 61 km · Robertson 64 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 Caledon (-34.23°, 19.4265°, elevation 260 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).