Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Ashton features a cold semi-arid climate (BSk).Temperatures typically range between 11 °C (52 °F) and 22 °C (72 °F) through the year, but rarely can drop to -2 °C (29 °F) or can rise to as high as 42 °C (107 °F).The average annual precipitation amounts to about 343 mm (13.5 inches) and receives 67 rainy days on the 1 mm (0.04 inches) threshold annually.Ashton enjoys an average of 4064 hours of sunshine throughout the year, and daylight varies from 9 hours 55 minutes to 14 hours 20 minutes per day.
The warmest months in Ashton are January, February and March, with daily mean temperatures ranging from 20 to 22 °C (68 - 72 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 11 to 12 °C (52 - 54 °F) throughout the day. On average each year, Ashton experiences 148 days above 25 °C (77.0 °F) and 2 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 42°C (107°F) | 38°C (101°F) | 37°C (99°F) | 36°C (98°F) | 30°C (87°F) | 27°C (81°F) | 29°C (84°F) | 29°C (84°F) | 35°C (95°F) | 37°C (99°F) | 37°C (98°F) | 40°C (103°F) |
Mean maximum | 38°C (101°F) | 37°C (98°F) | 36°C (96°F) | 33°C (92°F) | 30°C (86°F) | 25°C (77°F) | 25°C (78°F) | 26°C (79°F) | 31°C (89°F) | 34°C (93°F) | 35°C (95°F) | 35°C (96°F) |
Average high | 29°C (85°F) | 30°C (85°F) | 27°C (81°F) | 24°C (76°F) | 22°C (71°F) | 19°C (66°F) | 18°C (64°F) | 17°C (63°F) | 21°C (70°F) | 24°C (76°F) | 25°C (78°F) | 27°C (81°F) |
Daily mean | 22°C (71°F) | 22°C (72°F) | 20°C (68°F) | 17°C (63°F) | 15°C (59°F) | 12°C (54°F) | 11°C (52°F) | 11°C (52°F) | 14°C (57°F) | 17°C (62°F) | 18°C (65°F) | 20°C (68°F) |
Average low | 15°C (60°F) | 16°C (61°F) | 14°C (58°F) | 11°C (53°F) | 9°C (48°F) | 6°C (44°F) | 5°C (41°F) | 5°C (41°F) | 8°C (46°F) | 10°C (51°F) | 12°C (53°F) | 14°C (57°F) |
Mean minimum | 11°C (51°F) | 11°C (52°F) | 9°C (49°F) | 7°C (44°F) | 3°C (39°F) | 2°C (36°F) | -0°C (31°F) | 0°C (33°F) | 2°C (36°F) | 4°C (40°F) | 7°C (44°F) | 9°C (49°F) |
Minimum | 10°C (50°F) | 10°C (50°F) | 8°C (46°F) | 4°C (40°F) | 2°C (36°F) | -0°C (31°F) | -2°C (29°F) | -1°C (31°F) | 1°C (33°F) | 3°C (37°F) | 5°C (41°F) | 9°C (48°F) |
Compare temperature, precipitation, sunshine, UV index in Ashton, Western Cape, South Africa with other places around the world.
Ashton usually has the most precipitation in March, July and November, with an average of 6 rainy days and 38 mm (1.5 inches) of precipitation per month.The driest months in Ashton are February, April and September. On average, 19 mm (0.8 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 31 (1.2) | 17 (0.7) | 37 (1.5) | 16 (0.6) | 27 (1.1) | 28 (1.1) | 37 (1.5) | 34 (1.3) | 25 (1.0) | 28 (1.1) | 39 (1.5) | 25 (1.0) |
Average precipitation days (≥ 1 mm) | 5 | 5 | 7 | 5 | 4 | 6 | 6 | 6 | 6 | 6 | 6 | 5 |
The sunniest months in Ashton are October, November and December, when the sun shines an average of 12 hours 53 minutes a day.Least sunny months in Ashton: May, June and July receive an average of 9 hours 24 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 335 | 358 | 358 | 315 | 297 | 275 | 292 | 312 | 331 | 373 | 392 | 420 |
Mean daily daylight hours | 14h 5m | 13h 16m | 12h 14m | 11h 12m | 10h 20m | 9h 55m | 10h 8m | 10h 53m | 11h 53m | 12h 56m | 13h 52m | 14h 20m |
Ashton experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure.May, June and July are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Ashton UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 15 | 14 | 11 | 8 | 5 | 4 | 4 | 6 | 9 | 12 | 13 | 15 |