Mossel Bay weather in July

In July, Mossel Bay sees average daytime highs of 17°C and overnight lows near 13°C, with 38 mm of rain across 7.2 wet days and about 10 hours of daylight. It is the 11th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 17°C through the month. The sky is clear or mostly clear about 57% of the time in July, and the air most often feels dry.

Daylight stretches from about 9 h 42 min at the start of July to 10 h 18 min by month's end. Set against the rest of the year, July is Mossel Bay's 1st-clearest and 9th-windiest month. For the whole year in context, see Mossel Bay's year-round climate.

Daytime high
17°
11th warmest
Overnight low
13°
1st coldest
Rainfall
38 mm
7.2 wet days
Daylight
9 h 54 min
7:39 AM – 5:35 PM
Cloud cover
37%
1st clearest
Wind
17 km/h
9th windiest
Solar energy
2.82 kWh/m²
Travel score
6.1
out of 10

Mossel Bay is town in the Western Cape, South Africa.

Density
1,871/km²
people per km²
Founded
1848

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 17°C through the month.

A typical July day in Mossel Bay reaches about 17°C in the afternoon and slips back to 13°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 20°C. Set against its neighbours, July runs on par with June and on par with August.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11713
21713
31713
41713
51713
61713
71713
81713
91713
101713
111713
121713
131713
141713
151713
161713
171713
181713
191713
201713
211713
221713
231713
241713
251713
261713
271713
281713
291713
301713
311713

Mossel Bay weather by month

How July compares with the rest of the year at a glance. July is the 11th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 19°377.5147.4
Feb22° / 20°306.713.37.4
Mar21° / 19°417.412.37.3
Apr20° / 17°436.711.26.9
May19° / 15°406.210.26.9
Jun17° / 14°376.99.86.4
Jul17° / 13°387.2106.1
Aug17° / 13°477.610.75.9
Sep17° / 14°336.511.86.1
Oct18° / 15°437.412.96.5
Nov19° / 17°527.713.86.7
Dec21° / 18°356.814.27.2

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of July, with mostly cloudy or overcast conditions the remaining 26%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17624
27624
37624
47624
57525
67525
77525
87525
97426
107426
117426
127327
137327
147426
157426
167327
177327
187327
197426
207426
217426
227426
237426
247426
257426
267426
277426
287426
297426
307426
317426

Chance of precipitation in July

Any precipitation

Mossel Bay gets around 38 mm of rain over 7.2 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 23% and peaks near 26% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
121
221
321
421
521
621
722
822
923
1023
1123
1224
1324
1425
1525
1625
1726
1826
1926
2026
2125
2225
2324
2424
2524
2624
2723
2823
2923
3023
3122

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1946
2946
3946
4937
5937
6937
7937
8937
9928
10928
11928
12928
13937
14937
15937
16937
17937
18937
19937
20937
21937
22937
23937
24937
25928
26928
27928
28928
29928
30928
31928

Wind in July

Winds average 17 km/h in July.

Across July, daily wind ranges from about 16 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 9 h 42 min at the start of July to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over July. Sunrise moves from 7:42 AM to 7:30 AM, and sunset from 5:27 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.77:425:27
29.87:425:27
39.87:425:28
49.87:425:28
59.87:425:29
69.87:425:29
79.87:425:30
89.87:425:30
99.87:415:31
109.87:415:31
119.87:415:32
129.97:415:32
139.97:405:33
149.97:405:34
159.97:405:34
169.97:395:35
179.97:395:35
1810.07:385:36
1910.07:385:37
2010.07:375:37
2110.07:375:38
2210.07:365:39
2310.17:365:39
2410.17:355:40
2510.17:345:41
2610.17:345:41
2710.27:335:42
2810.27:325:43
2910.27:325:44
3010.27:315:44
3110.37:305:45

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 2.82 kWh/m².

For context, solar energy here swings from a low near 2.6 kWh/m² to a high of 7.58 kWh/m² in December across the year — July's 2.82 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.6Moderate
22.6Moderate
32.6Moderate
42.7Moderate
52.7Moderate
62.7Moderate
72.7Moderate
82.7Moderate
92.7Moderate
102.7Moderate
112.7Moderate
122.8Moderate
132.8Moderate
142.8Moderate
152.8Moderate
162.8Moderate
172.8Moderate
182.8Moderate
192.8Moderate
202.9Moderate
212.9Moderate
222.9Moderate
232.9Moderate
242.9Moderate
253.0Moderate
263.0Moderate
273.0Moderate
283.0Moderate
293.1Moderate
303.1Moderate
313.1Moderate
Planning a trip in July

Is July a good time to visit Mossel Bay?

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

6.1
Sightseeing
10th-best month of the year
1.4
Beach & pool
11th-best month of the year

July is a reasonable time to visit Mossel Bay for sightseeing.

What to pack for Mossel Bay in July

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

In July, Mossel Bay sees daytime highs around 17°C and nights near 13°C. Worth packing: a warm layer. About 7 days see rain.

a warm layer

Sea temperature near Mossel Bay in July

The nearest coast averages about 16°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 21 km away) is warmest in January at about 21°C and coldest in August near 16°C.

It's comfortable for a long swim from Dec 15 to Mar 18 — about 3.1 months when the water holds above 20°C.

14°16°18°20°22°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb21Refreshing
Mar20Refreshing
Apr18Cool
May17Cool
Jun16Cool
Jul16Cool
Aug16Cool
Sep16Cool
Oct17Cool
Nov19Cool
Dec20Refreshing

UV index in Mossel Bay in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mossel Bay peaks around January 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 14UV 13Jun 22UV 3
UV index (midday)Level
Jan13Extreme
Feb10Extreme
Mar10Very high
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct10Extreme
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Mossel Bay?

Mossel Bay sits at 34.2°S, 22.1°E, 43 m above sea level, in South Africa. The nearest listed city is Groot-Brakrivier, 17 km away.

Swellendam

Topography around Mossel Bay

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

Within 3 km, the terrain around Mossel Bay has only modest variations in elevation — a maximum elevation change of 175 m around an average of 28 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 336 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,504 m.

The land around Mossel Bay is covered by water (70%) within 3 km, water (69%) within 16 km, and water (35%), shrubs (27%) and grassland (22%) within 80 km.

3 km
175 m
16 km
336 m
80 km
1,504 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Groot-Brakrivier 17 km · George 38 km · Oudtshoorn 65 km · Dysselsdorp 73 km · Riversdale 82 km · Knysna 85 km · Plettenberg Bay 114 km · Swellendam 158 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
Christian 86%or other traditional African religions 5%nothing in particular 5%Muslim 2%

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 Mossel Bay (-34.1831°, 22.146°, elevation 43 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).