Mariental in Winter
In winter (June, July and August), Mariental sees average daytime highs around 24°C and overnight lows near 7°C, with 3 mm of rain over about 1 wet days across the season. It is the coldest season of the year and the driest season of the year.
Over the season highs climb from about 24°C in early June to 27°C by late August. The sky is clear or mostly clear about 91% of the time across winter, and the air most often feels dry.
Winter is Mariental's best season of the year to visit on our travel score. For the whole year in context, see Mariental's year-round climate.
- Avg daytime high
- 24°C
- coldest season of the year
- Avg overnight low
- 7°C
- Rainfall
- 3 mm
- 1 wet days
- Avg wind
- 14 km/h
- Travel score
- 9.5
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Mariental in Winter
Over the season highs climb from about 24°C in early June to 27°C by late August.
A typical winter day in Mariental reaches about 24°C and drops to 7°C overnight. The warmest of the three months is August, the coolest July.
How winter really feels in Mariental
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
winter sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Mariental weather by month
How the three winter months (June, July and August) 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 | 34° / 22° | 44 | 7.4 | 13.4 | 3.3 |
| Feb | 33° / 22° | 53 | 8 | 12.9 | 3.7 |
| Mar | 32° / 20° | 30 | 5.6 | 12.2 | 4.7 |
| Apr | 29° / 16° | 17 | 3.4 | 11.4 | 6.8 |
| May | 26° / 11° | 3 | 0.6 | 10.8 | 9.0 |
| Jun | 23° / 7° | 1 | 0.3 | 10.5 | 9.5 |
| Jul | 23° / 6° | 1 | 0.3 | 10.6 | 9.4 |
| Aug | 25° / 8° | 0 | 0.1 | 11.1 | 9.5 |
| Sep | 29° / 13° | 2 | 0.3 | 11.8 | 7.4 |
| Oct | 32° / 17° | 6 | 1.1 | 12.6 | 5.3 |
| Nov | 33° / 19° | 9 | 2.1 | 13.2 | 4.3 |
| Dec | 35° / 21° | 25 | 3.7 | 13.5 | 3.3 |
Cloud cover in Winter
The sky is clear or mostly clear about 91% of the time across winter.
Chance of precipitation in Winter
Mariental gets around 3 mm of rain over 1 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 14 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 h 36 min in early June to 11 h 30 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 4.8 kWh/m².
Is winter a good time to visit Mariental?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is one of the better times to visit Mariental for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Mariental in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Mariental sees daytime highs around 24°C and nights near 7°C. Worth packing: light clothes, a warm layer and sun protection.
UV index in Mariental in Winter
Clear-sky midday UV across winter averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Mariental peaks around January 15 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 5 (high).
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) | 16 | 14 | 13 | 9 | 7 | 5 | 6 | 8 | 10 | 13 | 14 | 14 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | High | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 16 | Extreme |
| Feb | 14 | Extreme |
| Mar | 13 | Extreme |
| Apr | 9 | Very high |
| May | 7 | High |
| Jun | 5 | High |
| Jul | 6 | High |
| Aug | 8 | Very high |
| Sep | 10 | Extreme |
| Oct | 13 | Extreme |
| Nov | 14 | Extreme |
| Dec | 14 | Extreme |
Air quality in Mariental in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Mariental is worst in December — around 15 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (April, 9 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 | 11 | 10 | 9 | 9 | 12 | 12 | 12 | 13 | 14 | 15 | 15 |
| Level | Moderate | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Moderate |
| Feb | 11 | Good |
| Mar | 10 | Good |
| Apr | 9 | Good |
| May | 9 | Good |
| Jun | 12 | Good |
| Jul | 12 | Moderate |
| Aug | 12 | Moderate |
| Sep | 13 | Moderate |
| Oct | 14 | Moderate |
| Nov | 15 | Moderate |
| Dec | 15 | Moderate |
Where is Mariental?
Mariental sits at 24.6°S, 18.0°E, 0 m above sea level, in Namibia. The nearest listed city is Rehoboth, 171 km away.
Topography around Mariental
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mariental.
Within 3 km, the terrain around Mariental has only modest variations in elevation — a maximum elevation change of 44 m around an average of 1,105 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 150 m; within 80 km, significant variations in elevation — a maximum elevation change of 454 m.
The land around Mariental is covered by bare terrain (35%) and grassland (20%) within 3 km, grassland (52%) and bare terrain (24%) within 16 km, and grassland (71%) within 80 km.
Namibia travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type D / M
- 220 V · 50 Hz
- Prices
- ≈ 41% of US
- price level, 2025
- GDP per capita
- $4,876
- 2025
- Happiness
- 4.8 / 10
- World Happiness, 2025
- Homicide rate
- 11.2
- per 100k, 2021
- Road deaths
- 34.8
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- 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 Mariental (-24.6271°, 17.9647°, elevation 0 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.