Mariental in Spring

In spring (September, October and November), Mariental sees average daytime highs around 31°C and overnight lows near 16°C, with 16 mm of rain over about 4 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.

Over the season highs climb from about 28°C in early September to 34°C by late November. The sky is clear or mostly clear about 80% of the time across spring, and the air most often feels dry.

Spring is Mariental's 3rd-best season to visit on our travel score. For the whole year in context, see Mariental's year-round climate.

Avg daytime high
31°C
2nd-warmest season
Avg overnight low
16°C
Rainfall
16 mm
4 wet days
Avg wind
14 km/h
Travel score
5.7
3rd-best season
Months
Sep · Oct · Nov

Temperature in Mariental in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 28°C in early September to 34°C by late November.

A typical spring day in Mariental reaches about 31°C and drops to 16°C overnight. The warmest of the three months is November, the coolest September.

10°20°30°40°SepOctNov

How spring really feels in Mariental

Once humidity and wind are folded in, spring brings about 47 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
47
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Mariental weather by month

How the three spring months (September, October and November) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan34° / 22°447.413.43.3
Feb33° / 22°53812.93.7
Mar32° / 20°305.612.24.7
Apr29° / 16°173.411.46.8
May26° / 11°30.610.89.0
Jun23° / 10.310.59.5
Jul23° / 10.310.69.4
Aug25° / 00.111.19.5
Sep29° / 13°20.311.87.4
Oct32° / 17°61.112.65.3
Nov33° / 19°92.113.24.3
Dec35° / 21°253.713.53.3

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 80% of the time across spring.

0%25%50%75%100%SepOctNov

Chance of precipitation in Spring

Any precipitation

Mariental gets around 16 mm of rain over 4 wet days across spring. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%SepOctNov

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%SepOctNov

Wind in Spring

Winds average 14 km/h across spring.

05101520SepOctNov

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 h 30 min in early September to 13 h 24 min by late November. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMSepOctNov

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 7.6 kWh/m².

02468SepOctNov
Planning a trip in spring

Is spring a good time to visit Mariental?

Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

5.7
Sightseeing
3rd-best month of the year
8.5
Beach & pool
1st-best month of the year

spring is a reasonable time to visit Mariental for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Mariental in Spring

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

In spring, Mariental sees daytime highs around 31°C and nights near 16°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Mariental in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages around 12 (very high — sun protection essential). 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 15UV 16Jun 18UV 5
UV index (midday)Level
Jan16Extreme
Feb14Extreme
Mar13Extreme
Apr9Very high
May7High
Jun5High
Jul6High
Aug8Very high
Sep10Extreme
Oct13Extreme
Nov14Extreme
Dec14Extreme

Air quality in Mariental in Spring

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where spring 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).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateDec 1115 µg/m³Apr 189 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb11Good
Mar10Good
Apr9Good
May9Good
Jun12Good
Jul12Moderate
Aug12Moderate
Sep13Moderate
Oct14Moderate
Nov15Moderate
Dec15Moderate
Location & terrain

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.

RehobothKeetmanshoopWindhoekKatuturaGobabisOkahandjaLüderitzWalvis Bay

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.

3 km
44 m
16 km
150 m
80 km
454 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwetland
Spring weather nearby: Rehoboth 171 km · Keetmanshoop 217 km · Windhoek 247 km · Katutura 251 km · Gobabis 263 km · Okahandja 314 km · Lüderitz 360 km · Walvis Bay 398 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
Christian 98%unaffiliated 2%other 1%

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.