Mariental weather in April

In April, Mariental sees average daytime highs of 29°C and overnight lows near 16°C, with 17 mm of rain across 3.4 wet days and about 11.4 hours of daylight. It is the 7th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 30°C in the first days to 28°C by the end. The sky is clear or mostly clear about 81% of the time in April, and the air most often feels dry.

Daylight stretches from about 11 h 48 min at the start of April to 11 h 06 min by month's end. Set against the rest of the year, April is Mariental's 7th-clearest and 10th-windiest month. For the whole year in context, see Mariental's year-round climate.

Daytime high
29°
7th warmest
Overnight low
16°
6th coldest
Rainfall
17 mm
3.4 wet days
Daylight
11 h 24 min
7:06 AM – 6:31 PM
Cloud cover
21%
7th clearest
Wind
13 km/h
10th windiest
Solar energy
5.63 kWh/m²
Travel score
6.8
out of 10

Mariental is town in Namibia.

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 30°C in the first days to 28°C by the end.

A typical April day in Mariental reaches about 29°C in the afternoon and slips back to 16°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 33°C. Set against its neighbours, April runs about 3°C cooler than March and about 3°C warmer than May.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
13118
23118
33018
43018
53018
63017
73017
83017
93017
103017
113017
123017
132916
142916
152916
162916
172916
182916
192915
202915
212915
222915
232915
242914
252914
262814
272814
282814
292814
302814

How April really feels in Mariental

Once humidity and wind are folded in, April 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

April 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 April compares with the rest of the year at a glance. April is the 7th-warmest and 5th-wettest month here — the current month is highlighted below.

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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 81% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 10% of April, with mostly cloudy or overcast conditions the remaining 9%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18713
28812
38812
48911
58911
68911
79010
89010
99010
109010
119010
129010
13919
14919
15919
16919
17919
18919
19919
20919
21928
22928
23928
24928
25937
26937
27937
28937
29937
30937

Chance of precipitation in April

Any precipitation

Mariental gets around 17 mm of rain over 3.4 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 11% and peaks near 18% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
118
217
317
417
516
616
715
815
915
1014
1114
1213
1313
1413
1512
1612
1711
1811
1910
2010
219
228
237
247
256
265
275
284
294
304

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 84% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
17412104
27413103
37413103
47413103
57513102
6761392
7761392
8781381
9781381
10791371
11791371
12811360
13811360
14821350
15821350
16831340
17841240
18851230
19861130
20871120
21881020
2289920
2390910
2491810
2592710
2692710
2794600
2895500
2995500
3096400

Wind in April

Winds average 13 km/h in April.

Across April, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 48 min at the start of April to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over April. Sunrise moves from 6:59 AM to 7:12 AM, and sunset from 6:46 PM to 6:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:596:46
211.87:006:45
311.77:006:44
411.77:016:43
511.77:016:42
611.77:016:41
711.67:026:40
811.67:026:39
911.67:036:38
1011.67:036:37
1111.57:036:36
1211.57:046:35
1311.57:046:34
1411.57:056:33
1511.47:056:32
1611.47:066:31
1711.47:066:30
1811.47:076:29
1911.47:076:28
2011.37:076:27
2111.37:086:26
2211.37:086:26
2311.37:096:25
2411.27:096:24
2511.27:106:23
2611.27:106:22
2711.27:116:21
2811.27:116:20
2911.17:126:20
3011.17:126:19

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.63 kWh/m².

For context, solar energy here swings from a low near 4.31 kWh/m² to a high of 8.54 kWh/m² in December across the year — April's 5.63 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.0Intense
46.0Intense
56.0Bright
65.9Bright
75.9Bright
85.9Bright
95.8Bright
105.8Bright
115.8Bright
125.7Bright
135.7Bright
145.7Bright
155.6Bright
165.6Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.2Bright
Planning a trip in April

Is April a good time to visit Mariental?

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

6.8
Sightseeing
6th-best month of the year
8.6
Beach & pool
3rd-best month of the year

April 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 April

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

In April, Mariental sees daytime highs around 29°C and nights near 16°C. Pack light clothes. Worth having: sun protection. About 3 days see rain.

light clothessun protection

UV index in Mariental in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 9 (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 April

GoodModeratePoorUnhealthyVery unhealthy

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