Malmesbury weather in July

In July, Malmesbury sees average daytime highs of 18°C and overnight lows near 6°C, with 93 mm of rain across 8.9 wet days and about 10 hours of daylight. It is the 12th-warmest and 2nd-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 50% of the time in July, and the air most often feels dry.

Daylight stretches from about 9 h 48 min at the start of July to 10 h 18 min by month's end. Set against the rest of the year, July is Malmesbury's 8th-clearest and 11th-windiest month. For the whole year in context, see Malmesbury's year-round climate.

Daytime high
18°
12th warmest
Overnight low
1st coldest
Rainfall
93 mm
8.9 wet days
Daylight
10 hours
7:51 AM – 5:50 PM
Cloud cover
42%
8th clearest
Wind
9 km/h
11th windiest
Solar energy
2.8 kWh/m²
Travel score
6.2
out of 10

Malmesbury is town in the Western Cape, South Africa.

Density
2,288/km²
people per km²
Founded
1745

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 18°C through the month.

A typical July day in Malmesbury reaches about 18°C in the afternoon and slips back to 6°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 23°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)
1186
2186
3186
4186
5186
6186
7186
8186
9186
10186
11186
12186
13186
14186
15186
16186
17186
18186
19186
20186
21186
22186
23176
24176
25176
26186
27186
28186
29186
30186
31186

Malmesbury weather by month

How July compares with the rest of the year at a glance. July is the 12th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 17°142.6146.2
Feb31° / 18°122.313.26.1
Mar29° / 16°152.712.37.1
Apr25° / 13°414.811.28.0
May22° / 10°667.310.37.2
Jun18° / 1079.99.86.2
Jul18° / 938.9106.2
Aug18° / 829.410.86.3
Sep20° / 527.611.86.9
Oct24° / 11°324.912.88.0
Nov26° / 14°294.713.77.9
Dec29° / 16°163.314.27.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 15% of July, with mostly cloudy or overcast conditions the remaining 35%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36337
46337
56436
66436
76436
86436
96436
106436
116436
126436
136436
146535
156535
166535
176634
186535
196535
206634
216634
226634
236634
246634
256634
266634
276634
286634
296634
306634
316634

Chance of precipitation in July

Any precipitation

Malmesbury gets around 93 mm of rain over 8.9 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 29% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
130
230
330
430
530
630
729
829
929
1029
1129
1229
1329
1429
1529
1629
1729
1829
1929
2029
2129
2229
2329
2429
2529
2630
2730
2830
2930
3030
3130

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in July

Winds average 9 km/h in July.

Across July, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 9 h 48 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 30 minutes over July. Sunrise moves from 7:54 AM to 7:42 AM, and sunset from 5:43 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.87:545:43
29.87:545:43
39.87:545:43
49.87:545:44
59.87:545:44
69.87:545:45
79.97:545:45
89.97:545:46
99.97:535:46
109.97:535:47
119.97:535:47
129.97:535:48
139.97:525:48
1410.07:525:49
1510.07:525:50
1610.07:515:50
1710.07:515:51
1810.07:505:51
1910.07:505:52
2010.17:495:53
2110.17:495:53
2210.17:485:54
2310.17:485:55
2410.17:475:55
2510.27:475:56
2610.27:465:57
2710.27:455:57
2810.27:445:58
2910.27:445:59
3010.37:435:59
3110.37:426:00

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 2.8 kWh/m².

For context, solar energy here swings from a low near 2.54 kWh/m² to a high of 8.4 kWh/m² in January across the year — July's 2.8 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.6Moderate
22.6Moderate
32.6Moderate
42.6Moderate
52.6Moderate
62.6Moderate
72.6Moderate
82.7Moderate
92.7Moderate
102.7Moderate
112.7Moderate
122.7Moderate
132.7Moderate
142.8Moderate
152.8Moderate
162.8Moderate
172.8Moderate
182.8Moderate
192.8Moderate
202.8Moderate
212.9Moderate
222.9Moderate
232.9Moderate
242.9Moderate
253.0Moderate
263.0Moderate
273.0Moderate
283.0Moderate
293.0Moderate
303.1Moderate
313.1Moderate
Planning a trip in July

Hazard calendar for Malmesbury

In seasonPeak

In July, Malmesbury sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Malmesbury's rainy season runs May–September, when most of the year's rain falls.

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

Is July a good time to visit Malmesbury?

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

6.2
Sightseeing
9th-best month of the year
1.8
Beach & pool
12th-best month of the year

July is a reasonable time to visit Malmesbury for sightseeing.

What to pack for Malmesbury in July

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

In July, Malmesbury sees daytime highs around 18°C and nights near 6°C. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

Sea temperature near Malmesbury in July

The nearest coast averages about 14°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 37 km away) is warmest in February at about 17°C and coldest in July near 14°C.

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

12°14°16°18°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan17Cool
Feb17Cool
Mar16Cool
Apr15Cool
May15Bracing
Jun15Bracing
Jul14Bracing
Aug14Bracing
Sep15Bracing
Oct15Bracing
Nov16Cool
Dec16Cool

UV index in Malmesbury in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Malmesbury peaks around January 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 13UV 13Jun 20UV 3
UV index (midday)Level
Jan13Extreme
Feb10Very high
Mar9Very high
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep5High
Oct10Extreme
Nov11Extreme
Dec12Extreme

Air quality in Malmesbury in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Malmesbury is worst in May — around 52 µg/m³ PM2.5 (poor), about 3.4× the cleanest month (December, 15 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 2152 µg/m³Dec 1516 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb19Moderate
Mar28Moderate
Apr41Poor
May52Poor
Jun50Poor
Jul47Poor
Aug41Poor
Sep33Moderate
Oct29Moderate
Nov18Moderate
Dec15Moderate
Location & terrain

Where is Malmesbury?

Malmesbury sits at 33.5°S, 18.7°E, 136 m above sea level, in South Africa. The nearest listed city is Atlantis, 25 km away.

Topography around Malmesbury

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

Within 3 km, the terrain around Malmesbury has only modest variations in elevation — a maximum elevation change of 188 m around an average of 166 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 892 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,073 m.

The land around Malmesbury is covered by cropland (39%), grassland (26%) and artificial surfaces (23%) within 3 km, cropland (67%) within 16 km, and cropland (30%) and grassland (25%) within 80 km.

3 km
188 m
16 km
892 m
80 km
2,073 m
treesshrubsgrasslandcroplandartificial surfaceswater
July weather nearby: Atlantis 25 km · Wellington 33 km · Moorreesburg 35 km · Paarl 38 km · Durbanville 42 km · Kraaifontein 43 km · Kuils River 54 km · Stellenbosch 54 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 Malmesbury (-33.4608°, 18.7271°, elevation 136 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).