Humansdorp weather in January

In January, Humansdorp sees average daytime highs of 25°C and overnight lows near 18°C, with 40 mm of rain across 7.8 wet days and about 14 hours of daylight. It is the 2nd-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 46% of the time in January, and the air most often feels humid.

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 Humansdorp's 6th-clearest and 5th-windiest month. For the whole year in context, see Humansdorp's year-round climate.

Daytime high
25°
2nd warmest
Overnight low
18°
11th coldest
Rainfall
40 mm
7.8 wet days
Daylight
14 hours
5:29 AM – 7:31 PM
Cloud cover
45%
6th clearest
Wind
15 km/h
5th windiest
Solar energy
6.89 kWh/m²
Travel score
7.6
out of 10

Humansdorp is town in the Eastern Cape, South Africa.

Density
1,007/km²
people per km²
Founded
1849

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 25°C through the month.

A typical January day in Humansdorp reaches about 25°C in the afternoon and slips back to 18°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 28°C. Set against its neighbours, January runs about 1°C warmer than December and on par with February.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12418
22418
32418
42418
52418
62418
72418
82418
92418
102418
112418
122418
132418
142418
152418
162518
172518
182518
192518
202518
212518
222518
232518
242518
252518
262518
272518
282518
292518
302518
312518

Humansdorp weather by month

How January compares with the rest of the year at a glance. January is the 2nd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 18°407.8147.6
Feb25° / 18°437.113.37.5
Mar24° / 17°497.712.37.6
Apr22° / 15°437.511.27.3
May21° / 13°366.210.37.3
Jun19° / 11°356.59.87.0
Jul19° / 10°376.4107.0
Aug19° / 11°537.710.76.8
Sep19° / 12°387.111.86.8
Oct21° / 14°518.212.96.8
Nov22° / 15°588.513.86.9
Dec23° / 17°45814.27.4

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 19% of January, with mostly cloudy or overcast conditions the remaining 35%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16832
26832
36832
46733
56733
66733
76733
86733
96634
106733
116634
126634
136535
146535
156436
166535
176436
186436
196337
206337
216337
226238
236337
246337
256436
266337
276436
286535
296436
306535
316634

Chance of precipitation in January

Any precipitation

Humansdorp gets around 40 mm of rain over 7.8 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 25% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
127
227
327
427
527
627
727
827
927
1027
1126
1226
1326
1426
1525
1625
1725
1824
1924
2024
2124
2224
2323
2423
2523
2623
2723
2823
2923
3023
3124

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 40% of days. Sticky, muggy-or-worse air turns up on roughly 22% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1113239170
2113239180
3103239180
4103239190
5103139190
6103139200
7103138200
8103138210
9103138210
10103137210
11103137220
12103137220
13103037220
14103037220
15103037230
16103037230
1792938230
1892938240
1992839240
2082840240
2182740240
2282741240
2372642240
2472643231
2572544231
2672545231
2762545231
2862446231
2962447231
3062447231
3152347231

Wind in January

Winds average 15 km/h in January.

Across January, daily wind ranges from about 15 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light 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 5:17 AM to 5:43 AM, and sunset from 7:31 PM to 7:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:177:31
214.25:187:31
314.25:197:31
414.25:197:32
514.25:207:32
614.25:217:32
714.25:227:32
814.25:227:32
914.15:237:32
1014.15:247:32
1114.15:257:32
1214.15:267:32
1314.15:277:32
1414.15:277:32
1514.15:287:31
1614.05:297:31
1714.05:307:31
1814.05:317:31
1914.05:327:31
2014.05:337:30
2113.95:347:30
2213.95:357:30
2313.95:367:29
2413.95:377:29
2513.85:377:28
2613.85:387:28
2713.85:397:27
2813.85:407:27
2913.85:417:26
3013.75:427:26
3113.75:437:25

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.89 kWh/m².

For context, solar energy here swings from a low near 2.64 kWh/m² to a high of 7.08 kWh/m² in December across the year — January's 6.89 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.0Intense
27.0Intense
37.0Intense
47.0Intense
57.0Intense
67.0Intense
77.0Intense
87.0Intense
97.0Intense
107.0Intense
117.0Intense
127.0Intense
137.0Intense
146.9Intense
156.9Intense
166.9Intense
176.9Intense
186.9Intense
196.9Intense
206.9Intense
216.8Intense
226.8Intense
236.8Intense
246.8Intense
256.8Intense
266.8Intense
276.7Intense
286.7Intense
296.7Intense
306.7Intense
316.6Intense
Planning a trip in January

Is January a good time to visit Humansdorp?

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

7.6
Sightseeing
1st-best month of the year
6.6
Beach & pool
2nd-best month of the year

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

What to pack for Humansdorp in January

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

In January, Humansdorp sees daytime highs around 25°C and nights near 18°C. Pack sun protection. Worth having: light clothes. About 8 days see rain.

sun protectionlight clothes

Sea temperature near Humansdorp in January

The nearest coast averages about 21°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 14 km away) is warmest in February at about 21°C and coldest in August near 17°C.

It's comfortable for a long swim from Dec 23 to Mar 23 — about 3 months when the water holds above 20°C.

16°18°20°22°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb21Refreshing
Mar20Refreshing
Apr19Cool
May19Cool
Jun18Cool
Jul18Cool
Aug17Cool
Sep17Cool
Oct18Cool
Nov19Cool
Dec20Cool

UV index in Humansdorp 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 Humansdorp peaks around January 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 highModerateHighVery highExtremeJan 15UV 13Jun 23UV 3
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar9Very high
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct10Extreme
Nov11Extreme
Dec12Extreme

Air quality in Humansdorp 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 Humansdorp is worst in June — around 18 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (February, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1618 µg/m³Feb 97 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar9Good
Apr10Good
May14Moderate
Jun18Moderate
Jul15Moderate
Aug16Moderate
Sep13Moderate
Oct11Good
Nov9Good
Dec7Good
Location & terrain

Where is Humansdorp?

Humansdorp sits at 34.0°S, 24.8°E, 137 m above sea level, in South Africa. The nearest listed city is Kruisfontein, 4.0 km away.

KnysnaSomerset EastGrahamstown

Topography around Humansdorp

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

Within 3 km, the terrain around Humansdorp has only modest variations in elevation — a maximum elevation change of 189 m around an average of 145 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 757 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,686 m.

The land around Humansdorp is covered by grassland (40%) and trees (27%) within 3 km, grassland (59%) within 16 km, and grassland (36%) and water (35%) within 80 km.

3 km
189 m
16 km
757 m
80 km
1,686 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Kruisfontein 4.0 km · Jeffreys Bay 14 km · Kariega 66 km · Port Elizabeth 78 km · Plettenberg Bay 129 km · Knysna 159 km · Somerset East 164 km · Grahamstown 182 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 Humansdorp (-34.029°, 24.7691°, elevation 137 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).