Clanwilliam, Western Cape Climate
South Africa
Pop. 9,194 Elev. 96 m / 315 ft
TZ: Africa/Johannesburg (UTC+2) ·
Clanwilliam is largely arid, with warm summers peaking at 89°F (32°C) in February and cool winters around 40°F (4°C) in July. Precipitation occurs on roughly 18 days per year (11.4 in / 289 mm total). The city averages 259 sunny days per year. Ocean water temperatures reach 64°F (18°C) in summer.
| Temperature | 31°C (89°F) high | 4°C (40°F) low |
| Feels like | 32°C (89°F) high | 4°C (40°F) low |
| Rain | 18 days | 289 mm (11.4 in) /yr |
| Sky | 259 sunny | 12 stormy |
| Wind | 0.8 m/s (1.8 mph) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Jan, Aug, Sep, Oct, Nov, Dec
Sky & Air by Month
Cloud cover (%)
7
Jan 8
Feb 20
Mar 31
Apr 32
May 39
Jun 42
Jul 50
Aug 36
Sep 22
Oct 21
Nov 18
Dec Humidity (%)
47
Jan 42
Feb 54
Mar 54
Apr 55
May 69
Jun 70
Jul 69
Aug 55
Sep 50
Oct 38
Nov 39
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 201 km Cape Town International Airport (CPT)
Ski resort 874 km Tiffindell
National park 97 km Hantam National Botanical Garden
Hospital 0 km Clanwilliam Hospital
Hiking trail 42 km Hamerkop Route
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 30°C 86°F | 15°C 59°F | 2 mm 0.1 in | — | 29 |
| February | 31°C 89°F | 17°C 62°F | 2 mm 0.1 in | — | 25 |
| March | 28°C 83°F | 16°C 60°F | 41 mm 1.6 in | — | 26 |
| April | 26°C 78°F | 13°C 55°F | 33 mm 1.3 in | — | 20 |
| May | 21°C 71°F | 9°C 49°F | 37 mm 1.4 in | — | 19 |
| June | 16°C 61°F | 6°C 42°F | 66 mm 2.6 in | — | 15 |
| July | 16°C 60°F | 4°C 40°F | 56 mm 2.2 in | — | 18 |
| August | 17°C 63°F | 6°C 42°F | 26 mm 1.0 in | — | 15 |
| September | 22°C 72°F | 8°C 46°F | 12 mm 0.5 in | — | 18 |
| October | 24°C 76°F | 9°C 49°F | 6 mm 0.2 in | — | 23 |
| November | 31°C 87°F | 15°C 59°F | 7 mm 0.3 in | — | 25 |
| December | 31°C 88°F | 16°C 61°F | 3 mm 0.1 in | — | 26 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 29 | 0 |
| February | 25 | 0 |
| March | 26 | 2 |
| April | 20 | 3 |
| May | 19 | 1 |
| June | 15 | 3 |
| July | 18 | 2 |
| August | 15 | 1 |
| September | 18 | 0 |
| October | 23 | 0 |
| November | 25 | 0 |
| December | 26 | 0 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 17°C 63°F | 22°C 72°F |
| February | 17°C 63°F | 23°C 74°F |
| March | 18°C 64°F | 23°C 73°F |
| April | 17°C 63°F | 20°C 68°F |
| May | 14°C 57°F | 16°C 61°F |
| June | 14°C 57°F | 14°C 57°F |
| July | 13°C 56°F | 12°C 54°F |
| August | 14°C 57°F | 12°C 54°F |
| September | 14°C 56°F | 15°C 59°F |
| October | 15°C 59°F | 18°C 64°F |
| November | 15°C 59°F | 22°C 72°F |
| December | 17°C 63°F | 23°C 74°F |