Ermelo weather in January

In January, Ermelo sees average daytime highs of 24°C and overnight lows near 14°C, with 144 mm of rain across 16.9 wet days and about 13.5 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 30% of the time in January, and the air most often feels comfortable.

Daylight stretches from about 13 h 36 min at the start of January to 13 h 18 min by month's end. Set against the rest of the year, January is Ermelo's 10th-clearest and 9th-windiest month. For the whole year in context, see Ermelo's year-round climate.

Daytime high
24°
1st warmest
Overnight low
14°
12th coldest
Rainfall
144 mm
16.9 wet days
Daylight
13 h 30 min
5:24 AM – 6:54 PM
Cloud cover
58%
10th clearest
Wind
12 km/h
9th windiest
Solar energy
6.39 kWh/m²
Travel score
6.0
out of 10

Ermelo is town in South Africa.

Founded
1880

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 24°C through the month.

A typical January day in Ermelo reaches about 24°C in the afternoon and slips back to 14°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 27°C. Set against its neighbours, January runs on par with December and on par with February.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12414
22414
32414
42414
52414
62414
72414
82414
92414
102414
112414
122414
132414
142414
152414
162414
172414
182414
192414
202414
212414
222414
232414
242414
252414
262414
272414
282414
292414
302414
312414

How January really feels in Ermelo

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.

Ermelo weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 14°14416.913.56.0
Feb24° / 14°10212.212.96.5
Mar23° / 13°9011.312.26.9
Apr21° / 10°45711.47.3
May19° / 152.710.77.9
Jun17° / 71.310.47.5
Jul17° / 70.810.57.6
Aug20° / 142.511.18.2
Sep23° / 264.511.88.3
Oct23° / 11°9612.612.66.8
Nov23° / 12°12815.613.35.9
Dec24° / 14°16318.113.65.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 20% of January, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
25050
34951
44951
55050
65050
74951
84951
94951
104951
114753
124753
134753
144753
154753
164753
174753
184753
194753
204753
214852
224951
235050
245149
255149
265248
275347
285446
295545
305644
315644

Chance of precipitation in January

Any precipitation

Ermelo gets around 144 mm of rain over 16.9 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 54% and peaks near 56% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
156
255
355
455
554
654
754
854
954
1054
1154
1254
1354
1455
1555
1655
1756
1856
1956
2056
2156
2255
2355
2455
2554
2654
2753
2852
2951
3050
3149

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 57% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
1225919
2225919
3235819
4235819
5235819
6235819
7245719
8245719
9245719
10245620
11245620
12235621
13235621
14235522
15225622
16225523
17215623
18215524
19205624
20205525
21195625
22195625
23185725
24185626
25185626
26185626
27185725
28185725
29185725
30185824
31195823

Wind in January

Winds average 12 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
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 36 min at the start of January to 13 h 18 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 5:14 AM to 5:36 AM, and sunset from 6:52 PM to 6:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:146:52
213.65:156:53
313.65:156:53
413.65:166:53
513.65:176:53
613.65:176:54
713.65:186:54
813.65:196:54
913.65:196:54
1013.65:206:54
1113.65:216:54
1213.55:226:54
1313.55:226:54
1413.55:236:54
1513.55:246:54
1613.55:246:54
1713.55:256:54
1813.55:266:54
1913.55:276:54
2013.45:276:54
2113.45:286:54
2213.45:296:54
2313.45:306:53
2413.45:316:53
2513.45:316:53
2613.35:326:53
2713.35:336:52
2813.35:346:52
2913.35:346:52
3013.35:356:51
3113.35:366:51

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.39 kWh/m².

For context, solar energy here swings from a low near 3.89 kWh/m² to a high of 6.51 kWh/m² in December across the year — January's 6.39 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.6Intense
46.6Intense
56.6Intense
66.5Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in January

Hazard calendar for Ermelo

In seasonPeak

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

Ermelo's rainy season runs October–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 Ermelo?

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

6.0
Sightseeing
10th-best month of the year
5.1
Beach & pool
5th-best month of the year

January is a reasonable time to visit Ermelo for sightseeing.

What to pack for Ermelo in January

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

In January, Ermelo sees daytime highs around 24°C and nights near 14°C. Pack rain gear and sun protection. Worth having: light clothes. About 17 days see rain.

rain gearsun protectionlight clothes

UV index in Ermelo 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 Ermelo peaks around January 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 15UV 15Jun 20UV 5
UV index (midday)Level
Jan15Extreme
Feb13Extreme
Mar12Extreme
Apr8Very high
May6High
Jun5High
Jul6High
Aug8Very high
Sep9Very high
Oct10Extreme
Nov12Extreme
Dec14Extreme

Air quality in Ermelo 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 Ermelo is worst in July — around 31 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (December, 11 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJul 2331 µg/m³Dec 2211 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb13Moderate
Mar16Moderate
Apr20Moderate
May23Moderate
Jun26Moderate
Jul31Moderate
Aug31Moderate
Sep29Moderate
Oct18Moderate
Nov14Moderate
Dec11Good
Location & terrain

Where is Ermelo?

Ermelo sits at 26.5°S, 30.0°E, 1,700 m above sea level, in South Africa. The nearest listed city is Breyten, 26 km away.

Topography around Ermelo

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

Within 3 km, the terrain around Ermelo has only modest variations in elevation — a maximum elevation change of 102 m around an average of 1,714 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 236 m; within 80 km, large variations in elevation — a maximum elevation change of 953 m.

The land around Ermelo is covered by grassland (49%) and artificial surfaces (38%) within 3 km, grassland (69%) and cropland (24%) within 16 km, and grassland (61%) and cropland (27%) within 80 km.

3 km
102 m
16 km
236 m
80 km
953 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Breyten 26 km · Hendrina 49 km · Bethal 52 km · Carolina 53 km · Driefontein 66 km · Daggakraal 67 km · Trichardt 75 km · Thubelihle 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 Ermelo (-26.5333°, 29.9833°, elevation 1,700 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).