Mondlo weather in December

In December, Mondlo sees average daytime highs of 27°C and overnight lows near 16°C, with 120 mm of rain across 16.3 wet days and about 13.7 hours of daylight. It is the 3rd-warmest and 1st-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 22% of the time in December, and the air most often feels comfortable.

Daylight stretches from about 13 h 36 min at the start of December to 13 h 48 min by month's end. Set against the rest of the year, December is Mondlo's 12th-clearest and 5th-windiest month. For the whole year in context, see Mondlo's year-round climate.

Daytime high
27°
3rd warmest
Overnight low
16°
10th coldest
Rainfall
120 mm
16.3 wet days
Daylight
13 h 48 min
5:00 AM – 6:46 PM
Cloud cover
65%
12th clearest
Wind
10 km/h
5th windiest
Solar energy
6.06 kWh/m²
Travel score
5.5
out of 10

Mondlo is human settlement in South Africa.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical December day in Mondlo reaches about 27°C in the afternoon and slips back to 16°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 33°C. Set against its neighbours, December runs about 1°C warmer than November and on par with January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12615
22615
32615
42615
52615
62615
72615
82615
92615
102615
112615
122615
132716
142716
152716
162716
172716
182716
192716
202716
212716
222716
232716
242716
252716
262716
272716
282816
292816
302816
312816

Mondlo weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 17°10615.313.65.7
Feb27° / 17°8912.3136.0
Mar26° / 15°7911.112.26.6
Apr25° / 13°396.911.47.7
May23° / 15310.68.6
Jun21° / 111.710.38.5
Jul21° / 141.810.48.4
Aug23° / 203.5118.5
Sep25° / 11°346.111.87.8
Oct25° / 13°7712.112.76.6
Nov26° / 14°10915.613.45.7
Dec27° / 16°12016.313.75.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of December, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
34060
43961
53961
63961
73961
83862
93961
103961
113961
124060
134060
144159
154258
164357
174357
184456
194456
204555
214555
224555
234456
244456
254456
264555
274555
284654
294654
304753
314753

Chance of precipitation in December

Any precipitation

Mondlo gets around 120 mm of rain over 16.3 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 52% and peaks near 56% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
154
254
355
455
556
656
756
856
956
1056
1155
1254
1354
1453
1552
1652
1751
1851
1950
2050
2150
2250
2350
2450
2550
2650
2750
2850
2950
3050
3150

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December 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 (%)
12946241
22847251
32647261
42548261
52448271
62248281
72149291
82049301
91949311
101849321
111749331
121648341
131548351
141548361
151448372
161347382
171347392
181247392
191146403
201046413
211045423
22944434
23943444
24942444
25941455
26940465
27939466
28938476
29937476
301036476
311036487

Wind in December

Winds average 10 km/h in December.

Across December, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 36 min at the start of December to 13 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over December. Sunrise moves from 4:57 AM to 5:08 AM, and sunset from 6:36 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.64:576:36
213.74:586:37
313.74:586:38
413.74:586:38
513.74:586:39
613.74:586:40
713.74:586:41
813.74:586:41
913.74:586:42
1013.74:596:43
1113.74:596:43
1213.74:596:44
1313.84:596:44
1413.85:006:45
1513.85:006:46
1613.85:006:46
1713.85:016:47
1813.85:016:47
1913.85:016:48
2013.85:026:48
2113.85:026:49
2213.85:036:49
2313.85:036:50
2413.85:046:50
2513.85:046:51
2613.85:056:51
2713.85:056:51
2813.85:066:52
2913.85:076:52
3013.85:076:53
3113.85:086:53

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.06 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.56 kWh/m² to a high of 6.06 kWh/m² in December across the year — December's 6.06 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
116.0Bright
126.0Bright
136.0Intense
146.0Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
316.2Intense
Planning a trip in December

Hazard calendar for Mondlo

In seasonPeak

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

Mondlo'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 December a good time to visit Mondlo?

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

5.5
Sightseeing
12th-best month of the year
5.6
Beach & pool
9th-best month of the year

December is a reasonable time to visit Mondlo for sightseeing.

What to pack for Mondlo in December

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

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

rain gearsun protectionlight clothes

UV index in Mondlo in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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 Mondlo peaks around January 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 16UV 14Jun 23UV 5
UV index (midday)Level
Jan15Extreme
Feb13Extreme
Mar11Extreme
Apr7Very high
May6High
Jun5Moderate
Jul5Moderate
Aug7High
Sep8Very high
Oct9Very high
Nov11Extreme
Dec13Extreme

Air quality in Mondlo in December

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Mondlo is worst in July — around 42 µg/m³ PM2.5 (poor), about 3.6× the cleanest month (January, 12 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorPoorModerateJul 2142 µg/m³Jan 1512 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb14Moderate
Mar18Moderate
Apr22Moderate
May37Poor
Jun34Moderate
Jul42Poor
Aug40Poor
Sep41Poor
Oct23Moderate
Nov23Moderate
Dec13Moderate
Location & terrain

Where is Mondlo?

Mondlo sits at 28.0°S, 30.7°E, 1,155 m above sea level, in South Africa. The nearest listed city is Vryheid, 25 km away.

Topography around Mondlo

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

Within 3 km, the terrain around Mondlo has significant variations in elevation — a maximum elevation change of 280 m around an average of 1,155 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 577 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,012 m.

The land around Mondlo is covered by grassland (73%) and artificial surfaces (21%) within 3 km, grassland (85%) within 16 km, and grassland (69%) within 80 km.

3 km
280 m
16 km
577 m
80 km
2,012 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Vryheid 25 km · Dundee 52 km · Glencoe 60 km · Frischgewaagd 70 km · Ulundi 79 km · Newcastle 81 km · Volksrust 107 km · Piet Retief 109 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 Mondlo (-27.983°, 30.7177°, elevation 1,155 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).