Walvis Bay weather in August

In August, Walvis Bay sees average daytime highs of 18°C and overnight lows near 12°C, with 0 mm of rain across 0.1 wet days and about 11.2 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 18°C through the month. The sky is clear or mostly clear about 73% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 54 min at the start of August to 11 h 30 min by month's end. Set against the rest of the year, August is Walvis Bay's 5th-clearest and 3rd-windiest month. For the whole year in context, see Walvis Bay's year-round climate.

Daytime high: 18°; 10th warmest
Overnight low: 12°; 2nd coldest
Rainfall: 0 mm; 0.1 wet days
Daylight: 11 h 12 min; 7:30 AM – 6:42 PM
Cloud cover: 24%; 5th clearest
Wind: 16 km/h; 3rd windiest
Solar energy: 5.23 kWh/m²
Travel score: 7.8; out of 10

Walvis Bay is city and harbour in Erongo Region, Namibia.

Founded: 1840

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

← July Walvis Bay year-round climate September →Best places to visit in August

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 18°C through the month.

A typical August day in Walvis Bay reaches about 18°C in the afternoon and slips back to 12°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 23°C. Set against its neighbours, August runs about 2°C cooler than July and on par with September.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	19	19	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	17	17	17	17	17	17	17	17	17
Avg low (°C)	13	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12

	Avg high (°C)	Avg low (°C)
1	19	13
2	19	12
3	18	12
4	18	12
5	18	12
6	18	12
7	18	12
8	18	12
9	18	12
10	18	12
11	18	12
12	18	12
13	18	12
14	18	12
15	18	12
16	18	12
17	18	12
18	18	12
19	18	12
20	18	12
21	18	12
22	18	12
23	17	12
24	17	12
25	17	12
26	17	12
27	17	12
28	17	12
29	17	12
30	17	12
31	17	12

Walvis Bay weather by month

How August compares with the rest of the year at a glance. August is the 10th-warmest and 10th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	20° / 17°	3	0.6	13.3	8.0
Feb	21° / 17°	4	0.8	12.8	8.1
Mar	21° / 17°	3	0.5	12.2	8.4
Apr	21° / 16°	3	0.5	11.5	8.6
May	20° / 15°	1	0.2	10.9	8.7
Jun	20° / 14°	0	0.1	10.6	8.7
Jul	20° / 13°	1	0.1	10.7	8.6
Aug	18° / 12°	0	0.1	11.2	7.8
Sep	17° / 12°	1	0.2	11.9	7.4
Oct	18° / 13°	0	0	12.5	7.6
Nov	19° / 14°	0	0.1	13.1	7.9
Dec	19° / 15°	1	0.1	13.4	8.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 73% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 15% of August, with mostly cloudy or overcast conditions the remaining 12%. Skies tend to cloud over as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	93	93	92	92	92	92	91	91	91	89	89	89	88	88	88	87	87	87	86	86	86	85	85	85	85	85	85	85	84	85	85
Cloudier (%)	7	7	8	8	8	8	9	9	9	11	11	11	12	12	12	13	13	13	14	14	14	15	15	15	15	15	15	15	16	15	15

	Clearer (%)	Cloudier (%)
1	93	7
2	93	7
3	92	8
4	92	8
5	92	8
6	92	8
7	91	9
8	91	9
9	91	9
10	89	11
11	89	11
12	89	11
13	88	12
14	88	12
15	88	12
16	87	13
17	87	13
18	87	13
19	86	14
20	86	14
21	86	14
22	85	15
23	85	15
24	85	15
25	85	15
26	85	15
27	85	15
28	85	15
29	84	16
30	85	15
31	85	15

Chance of precipitation in August

Any precipitation

Walvis Bay gets around 0 mm of rain over 0.1 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 0% and peaks near 0% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

	Rain chance (%)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	0
27	0
28	0
29	0
30	0
31	0

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

Wind in August

Winds average 16 km/h in August.

Across August, daily wind ranges from about 16 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

	Wind speed (km/h)	Feels
1	16	light breeze
2	16	light breeze
3	16	light breeze
4	16	light breeze
5	16	light breeze
6	16	light breeze
7	16	light breeze
8	16	light breeze
9	16	light breeze
10	16	light breeze
11	16	light breeze
12	16	light breeze
13	16	light breeze
14	16	light breeze
15	16	light breeze
16	16	light breeze
17	16	light breeze
18	16	light breeze
19	16	light breeze
20	16	light breeze
21	16	light breeze
22	16	light breeze
23	16	light breeze
24	16	light breeze
25	16	light breeze
26	16	light breeze
27	16	light breeze
28	16	light breeze
29	16	light breeze
30	16	light breeze
31	16	light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 10 h 54 min at the start of August to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over August. Sunrise moves from 7:40 AM to 7:17 AM, and sunset from 6:36 PM to 6:47 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	10.9	10.9	11.0	11.0	11.0	11.0	11.0	11.0	11.1	11.1	11.1	11.1	11.1	11.2	11.2	11.2	11.2	11.2	11.3	11.3	11.3	11.3	11.3	11.4	11.4	11.4	11.4	11.4	11.5	11.5	11.5
Sunrise (AM)	7:40	7:40	7:39	7:38	7:38	7:37	7:37	7:36	7:35	7:35	7:34	7:33	7:32	7:32	7:31	7:30	7:29	7:28	7:28	7:27	7:26	7:25	7:24	7:23	7:22	7:21	7:20	7:20	7:19	7:18	7:17
Sunset (PM)	6:36	6:36	6:37	6:37	6:38	6:38	6:38	6:39	6:39	6:40	6:40	6:41	6:41	6:41	6:42	6:42	6:42	6:43	6:43	6:44	6:44	6:44	6:45	6:45	6:45	6:46	6:46	6:46	6:47	6:47	6:47

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.9	7:40	6:36
2	10.9	7:40	6:36
3	11.0	7:39	6:37
4	11.0	7:38	6:37
5	11.0	7:38	6:38
6	11.0	7:37	6:38
7	11.0	7:37	6:38
8	11.0	7:36	6:39
9	11.1	7:35	6:39
10	11.1	7:35	6:40
11	11.1	7:34	6:40
12	11.1	7:33	6:41
13	11.1	7:32	6:41
14	11.2	7:32	6:41
15	11.2	7:31	6:42
16	11.2	7:30	6:42
17	11.2	7:29	6:42
18	11.2	7:28	6:43
19	11.3	7:28	6:43
20	11.3	7:27	6:44
21	11.3	7:26	6:44
22	11.3	7:25	6:44
23	11.3	7:24	6:45
24	11.4	7:23	6:45
25	11.4	7:22	6:45
26	11.4	7:21	6:46
27	11.4	7:20	6:46
28	11.4	7:20	6:46
29	11.5	7:19	6:47
30	11.5	7:18	6:47
31	11.5	7:17	6:47

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.23 kWh/m².

For context, solar energy here swings from a low near 4.3 kWh/m² to a high of 7.99 kWh/m² in December across the year — August's 5.23 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	4.8	4.8	4.9	4.9	4.9	5.0	5.0	5.0	5.0	5.1	5.1	5.1	5.2	5.2	5.2	5.2	5.3	5.3	5.3	5.3	5.4	5.4	5.4	5.5	5.5	5.5	5.6	5.6	5.6	5.7	5.7
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	4.8	Bright
2	4.8	Bright
3	4.9	Bright
4	4.9	Bright
5	4.9	Bright
6	5.0	Bright
7	5.0	Bright
8	5.0	Bright
9	5.0	Bright
10	5.1	Bright
11	5.1	Bright
12	5.1	Bright
13	5.2	Bright
14	5.2	Bright
15	5.2	Bright
16	5.2	Bright
17	5.3	Bright
18	5.3	Bright
19	5.3	Bright
20	5.3	Bright
21	5.4	Bright
22	5.4	Bright
23	5.4	Bright
24	5.5	Bright
25	5.5	Bright
26	5.5	Bright
27	5.6	Bright
28	5.6	Bright
29	5.6	Bright
30	5.7	Bright
31	5.7	Bright

Planning a trip in August

Is August a good time to visit Walvis Bay?

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

7.8

Sightseeing

10th-best month of the year

2.5

Beach & pool

10th-best month of the year

August is one of the better times to visit Walvis Bay for general sightseeing.

What to pack for Walvis Bay in August

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

In August, Walvis Bay sees daytime highs around 18°C and nights near 12°C. Worth packing: sun protection.

sun protection

Sea temperature near Walvis Bay in August

The nearest coast averages about 13°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 16 km away) is warmest in February at about 18°C and coldest in August near 13°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	18	18	18	16	15	14	14	13	13	14	15	17
Comfort	Cool	Cool	Cool	Cool	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Cool	Cool

	Sea temperature (°C)	Comfort
Jan	18	Cool
Feb	18	Cool
Mar	18	Cool
Apr	16	Cool
May	15	Bracing
Jun	14	Bracing
Jul	14	Bracing
Aug	13	Bracing
Sep	13	Bracing
Oct	14	Bracing
Nov	15	Cool
Dec	17	Cool

UV index in Walvis Bay in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Walvis Bay peaks around January 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 6 (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)	15	13	13	9	7	5	6	7	9	11	13	13
Level	Extreme	Extreme	Extreme	Very high	High	High	High	Very high	Very high	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	15	Extreme
Feb	13	Extreme
Mar	13	Extreme
Apr	9	Very high
May	7	High
Jun	5	High
Jul	6	High
Aug	7	Very high
Sep	9	Very high
Oct	11	Extreme
Nov	13	Extreme
Dec	13	Extreme

Air quality in Walvis Bay in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Walvis Bay is worst in July — around 36 µg/m³ PM2.5 (poor), about 7.8× the cleanest month (January, 5 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)	5	6	5	9	24	33	36	25	11	7	6	5
Level	Good	Good	Good	Good	Moderate	Moderate	Poor	Moderate	Good	Good	Good	Good

	PM2.5 (µg/m³)	Level
Jan	5	Good
Feb	6	Good
Mar	5	Good
Apr	9	Good
May	24	Moderate
Jun	33	Moderate
Jul	36	Poor
Aug	25	Moderate
Sep	11	Good
Oct	7	Good
Nov	6	Good
Dec	5	Good

Location & terrain

Where is Walvis Bay?

Walvis Bay sits at 23.0°S, 14.5°E, 6 m above sea level, in Namibia. The nearest listed city is Swakopmund, 31 km away.

Topography around Walvis Bay

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

Within 3 km, the terrain around Walvis Bay has only modest variations in elevation — a maximum elevation change of 14 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 130 m; within 80 km, large variations in elevation — a maximum elevation change of 873 m.

The land around Walvis Bay is covered by bare terrain (37%), artificial surfaces (31%) and water (28%) within 3 km, bare terrain (53%) and water (43%) within 16 km, and bare terrain (65%) and water (33%) within 80 km.

3 km

14 m

bare terrain 37%

16 km

130 m

bare terrain 53%

80 km

873 m

bare terrain 65%

shrubsgrasslandartificial surfacesbare terrainwaterwetland

← July Walvis Bay year-round climate September →Best places to visit in August

August weather nearby: Swakopmund 31 km · Katutura 266 km · Rehoboth 267 km · Windhoek 268 km · Okahandja 269 km · Otjiwarongo 355 km · Mariental 398 km · Lüderitz 416 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 Walvis Bay (-22.9575°, 14.5053°, elevation 6 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).

	Avg high (°C)	Avg low (°C)
1	19	13
2	19	12
3	18	12
4	18	12
5	18	12
6	18	12
7	18	12
8	18	12
9	18	12
10	18	12
11	18	12
12	18	12
13	18	12
14	18	12
15	18	12
16	18	12
17	18	12
18	18	12
19	18	12
20	18	12
21	18	12
22	18	12
23	17	12
24	17	12
25	17	12
26	17	12
27	17	12
28	17	12
29	17	12
30	17	12
31	17	12

	Clearer (%)	Cloudier (%)
1	93	7
2	93	7
3	92	8
4	92	8
5	92	8
6	92	8
7	91	9
8	91	9
9	91	9
10	89	11
11	89	11
12	89	11
13	88	12
14	88	12
15	88	12
16	87	13
17	87	13
18	87	13
19	86	14
20	86	14
21	86	14
22	85	15
23	85	15
24	85	15
25	85	15
26	85	15
27	85	15
28	85	15
29	84	16
30	85	15
31	85	15

	Rain chance (%)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	0
27	0
28	0
29	0
30	0
31	0

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	19	13
2	19	12
3	18	12
4	18	12
5	18	12
6	18	12
7	18	12
8	18	12
9	18	12
10	18	12
11	18	12
12	18	12
13	18	12
14	18	12
15	18	12
16	18	12
17	18	12
18	18	12
19	18	12
20	18	12
21	18	12
22	18	12
23	17	12
24	17	12
25	17	12
26	17	12
27	17	12
28	17	12
29	17	12
30	17	12
31	17	12

	Clearer (%)	Cloudier (%)
1	93	7
2	93	7
3	92	8
4	92	8
5	92	8
6	92	8
7	91	9
8	91	9
9	91	9
10	89	11
11	89	11
12	89	11
13	88	12
14	88	12
15	88	12
16	87	13
17	87	13
18	87	13
19	86	14
20	86	14
21	86	14
22	85	15
23	85	15
24	85	15
25	85	15
26	85	15
27	85	15
28	85	15
29	84	16
30	85	15
31	85	15

	Rain chance (%)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	0
27	0
28	0
29	0
30	0
31	0

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	19	13
2	19	12
3	18	12
4	18	12
5	18	12
6	18	12
7	18	12
8	18	12
9	18	12
10	18	12
11	18	12
12	18	12
13	18	12
14	18	12
15	18	12
16	18	12
17	18	12
18	18	12
19	18	12
20	18	12
21	18	12
22	18	12
23	17	12
24	17	12
25	17	12
26	17	12
27	17	12
28	17	12
29	17	12
30	17	12
31	17	12

	Clearer (%)	Cloudier (%)
1	93	7
2	93	7
3	92	8
4	92	8
5	92	8
6	92	8
7	91	9
8	91	9
9	91	9
10	89	11
11	89	11
12	89	11
13	88	12
14	88	12
15	88	12
16	87	13
17	87	13
18	87	13
19	86	14
20	86	14
21	86	14
22	85	15
23	85	15
24	85	15
25	85	15
26	85	15
27	85	15
28	85	15
29	84	16
30	85	15
31	85	15

	Rain chance (%)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	0
27	0
28	0
29	0
30	0
31	0

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100