Worcester weather in January

In January, Worcester sees average daytime highs of 29°C and overnight lows near 15°C, with 24 mm of rain across 5.2 wet days and about 14 hours of daylight. It is the 1st-warmest and 11th-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 72% of the time in January, and the air most often feels dry.

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 Worcester's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Worcester's year-round climate.

Daytime high
29°
1st warmest
Overnight low
15°
11th coldest
Rainfall
24 mm
5.2 wet days
Daylight
14 hours
5:51 AM – 7:52 PM
Cloud cover
27%
2nd clearest
Wind
9 km/h
2nd windiest
Solar energy
8.03 kWh/m²
Travel score
6.8
out of 10

Worcester is town in the Western Cape, South Africa.

Density
1,743/km²
people per km²
Founded
1819

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 Worcester reaches about 29°C in the afternoon and slips back to 15°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 34°C. Set against its neighbours, January runs about 2°C warmer than December and on par with February.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12815
22915
32915
42915
52915
62915
72915
82915
92915
102915
112915
122915
132915
142915
152915
162915
172915
182915
192915
202915
212916
222916
232916
242916
252916
262916
272916
282916
292916
302916
312916

Worcester weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 15°245.2146.8
Feb29° / 16°21513.36.7
Mar27° / 14°286.212.37.5
Apr23° / 12°335.611.27.8
May20° / 396.210.37.0
Jun17° / 608.29.85.6
Jul16° / 598.1105.4
Aug17° / 518.510.85.7
Sep19° / 356.511.86.7
Oct22° / 10°36612.87.6
Nov25° / 12°356.113.77.8
Dec27° / 14°24514.27.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 72% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 12% of January, with mostly cloudy or overcast conditions the remaining 16%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18218
28218
38218
48317
58317
68317
78317
88317
98317
108317
118416
128416
138416
148515
158515
168515
178515
188515
198515
208515
218515
228515
238515
248515
258515
268515
278515
288515
298515
308515
318515

Chance of precipitation in January

Any precipitation

Worcester gets around 24 mm of rain over 5.2 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 19% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
119
219
319
419
519
619
718
818
918
1018
1117
1217
1317
1416
1516
1616
1715
1815
1915
2015
2115
2215
2315
2415
2515
2615
2715
2815
2915
3015
3115

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 64% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
169274
269274
369274
469274
569274
669274
768275
868275
968275
1068275
1167276
1267276
1367276
1467276
1565287
1665287
1764297
1863307
1962317
2061327
2160337
2259347
2359347
2458357
2558357
2658366
2758366
2857376
2957376
3058375
3158375

Wind in January

Winds average 9 km/h in January.

Across January, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
278calm
288calm
298calm
308calm
318calm

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 5:39 AM to 6:05 AM, and sunset from 7:51 PM to 7:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:397:51
214.25:407:52
314.25:417:52
414.25:427:52
514.25:427:52
614.25:437:52
714.15:447:52
814.15:457:52
914.15:457:52
1014.15:467:52
1114.15:477:52
1214.15:487:52
1314.15:497:52
1414.05:507:52
1514.05:507:52
1614.05:517:52
1714.05:527:51
1814.05:537:51
1913.95:547:51
2013.95:557:51
2113.95:567:50
2213.95:577:50
2313.95:587:50
2413.85:597:49
2513.86:007:49
2613.86:017:48
2713.86:017:48
2813.86:027:47
2913.76:037:47
3013.76:047:46
3113.76:057:46

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 8.03 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.54 kWh/m² to a high of 8.03 kWh/m² in January across the year — January's 8.03 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.1Intense
28.1Intense
38.1Intense
48.1Intense
58.1Intense
68.1Intense
78.1Intense
88.1Intense
98.1Intense
108.1Intense
118.1Intense
128.1Intense
138.1Intense
148.1Intense
158.1Intense
168.1Intense
178.0Intense
188.0Intense
198.0Intense
208.0Intense
218.0Intense
227.9Intense
237.9Intense
247.9Intense
257.8Intense
267.8Intense
277.8Intense
287.8Intense
297.7Intense
307.7Intense
317.7Intense
Planning a trip in January

Is January a good time to visit Worcester?

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

6.8
Sightseeing
7th-best month of the year
8.4
Beach & pool
1st-best month of the year

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

What to pack for Worcester in January

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

In January, Worcester sees daytime highs around 29°C and nights near 15°C. Pack light clothes and sun protection. About 5 days see rain.

light clothessun protection

UV index in Worcester in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 Worcester peaks around January 14 at about 14 (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 — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighExtremeJan 14UV 14Jun 20UV 3
UV index (midday)Level
Jan14Extreme
Feb10Extreme
Mar10Very high
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug5Moderate
Sep6High
Oct11Extreme
Nov12Extreme
Dec12Extreme

Air quality in Worcester 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 Worcester is worst in June — around 41 µg/m³ PM2.5 (poor), about 3.8× the cleanest month (December, 11 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateGoodJun 2141 µg/m³Dec 1211 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb15Moderate
Mar19Moderate
Apr29Moderate
May38Poor
Jun41Poor
Jul40Poor
Aug36Poor
Sep28Moderate
Oct18Moderate
Nov12Good
Dec11Good
Location & terrain

Where is Worcester?

Worcester sits at 33.6°S, 19.4°E, 234 m above sea level, in South Africa. The nearest listed city is Ceres, 33 km away.

Topography around Worcester

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

Within 3 km, the terrain around Worcester has only modest variations in elevation — a maximum elevation change of 172 m around an average of 238 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,796 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,250 m.

The land around Worcester is covered by artificial surfaces (45%) and grassland (23%) within 3 km, shrubs (41%) and grassland (29%) within 16 km, and grassland (42%), shrubs (27%) and cropland (22%) within 80 km.

3 km
172 m
16 km
1,796 m
80 km
2,250 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Ceres 33 km · Wellington 40 km · Le Roux 42 km · Franschhoek 42 km · Robertson 44 km · Paarl 45 km · Ashton 60 km · Stellenbosch 63 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 Worcester (-33.6465°, 19.4485°, elevation 234 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).