Mondlo in Summer
In summer (December, January and February), Mondlo sees average daytime highs around 27°C and overnight lows near 16°C, with 315 mm of rain over about 44 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 27°C. The sky is clear or mostly clear about 28% of the time across summer, and the air most often feels humid.
Summer is Mondlo's weakest season of the year to visit on our travel score. For the whole year in context, see Mondlo's year-round climate.
- Avg daytime high
- 27°C
- warmest season of the year
- Avg overnight low
- 16°C
- Rainfall
- 315 mm
- 44 wet days
- Avg wind
- 10 km/h
- Travel score
- 5.7
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Mondlo in Summer
Across summer, daytime highs hold fairly steady around 27°C.
A typical summer day in Mondlo reaches about 27°C and drops to 16°C overnight. The warmest of the three months is January, the coolest December.
Mondlo weather by month
How the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 17° | 106 | 15.3 | 13.6 | 5.7 |
| Feb | 27° / 17° | 89 | 12.3 | 13 | 6.0 |
| Mar | 26° / 15° | 79 | 11.1 | 12.2 | 6.6 |
| Apr | 25° / 13° | 39 | 6.9 | 11.4 | 7.7 |
| May | 23° / 9° | 15 | 3 | 10.6 | 8.6 |
| Jun | 21° / 7° | 11 | 1.7 | 10.3 | 8.5 |
| Jul | 21° / 6° | 14 | 1.8 | 10.4 | 8.4 |
| Aug | 23° / 9° | 20 | 3.5 | 11 | 8.5 |
| Sep | 25° / 11° | 34 | 6.1 | 11.8 | 7.8 |
| Oct | 25° / 13° | 77 | 12.1 | 12.7 | 6.6 |
| Nov | 26° / 14° | 109 | 15.6 | 13.4 | 5.7 |
| Dec | 27° / 16° | 120 | 16.3 | 13.7 | 5.5 |
Cloud cover in Summer
The sky is clear or mostly clear about 28% of the time across summer.
Chance of precipitation in Summer
Mondlo gets around 315 mm of rain over 44 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 10 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 36 min in early December to 12 h 42 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 6.0 kWh/m².
Hazard calendar for Mondlo
In summer, Mondlo overlaps 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.
Is summer a good time to visit Mondlo?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Mondlo for sightseeing.
What to pack for Mondlo in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Mondlo sees daytime highs around 27°C and nights near 16°C. Pack light clothes, rain gear and sun protection. About 44 days see rain.
UV index in Mondlo in Summer
Clear-sky midday UV across summer averages 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 15 | 13 | 11 | 7 | 6 | 5 | 5 | 7 | 8 | 9 | 11 | 13 |
| Level | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 13 | Extreme |
| Mar | 11 | Extreme |
| Apr | 7 | Very high |
| May | 6 | High |
| Jun | 5 | Moderate |
| Jul | 5 | Moderate |
| Aug | 7 | High |
| Sep | 8 | Very high |
| Oct | 9 | Very high |
| Nov | 11 | Extreme |
| Dec | 13 | Extreme |
Air quality in Mondlo in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 12 | 14 | 18 | 22 | 37 | 34 | 42 | 40 | 41 | 23 | 23 | 13 |
| Level | Good | Moderate | Moderate | Moderate | Poor | Moderate | Poor | Poor | Poor | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Good |
| Feb | 14 | Moderate |
| Mar | 18 | Moderate |
| Apr | 22 | Moderate |
| May | 37 | Poor |
| Jun | 34 | Moderate |
| Jul | 42 | Poor |
| Aug | 40 | Poor |
| Sep | 41 | Poor |
| Oct | 23 | Moderate |
| Nov | 23 | Moderate |
| Dec | 13 | Moderate |
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.
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
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.