Climate Insights for Betty’s Bay

Overberg District Municipality, Western Cape, South Africa

Hottest
February
22°C peak
Coldest
August
12°C low
Wettest
June
111mm rain
Best to Visit
January, February, March
Mild temps & low rain

Climate Overview

The climate in Betty’s Bay is temperate. The average annual temperature is 17°C and approximately 563mm of precipitation falls per year. June is the wettest month, receiving around 111mm of rainfall. Betty’s Bay is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: February, January, March. The coldest months are August, July, September, when temperatures can drop to 12°C.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 22° Average: 20° Min: 18° Feb Max: 22° Average: 20° Min: 18° Mar Max: 20° Average: 19° Min: 17° Apr Max: 19° Average: 17° Min: 15° May Max: 18° Average: 16° Min: 14° Jun Max: 16° Average: 15° Min: 13° Jul Max: 15° Average: 13° Min: 12° Aug Max: 15° Average: 13° Min: 12° Sep Max: 16° Average: 14° Min: 12° Oct Max: 18° Average: 16° Min: 14° Nov Max: 19° Average: 17° Min: 15° Dec Max: 20° Average: 19° Min: 17°
Max
Average
Min

Betty’s Bay has relatively stable temperatures year-round, staying within a 10°C range. February is the warmest month, though highs remain moderate at 22°C with a mean of 20°C. August is the coolest month, with minimum temperatures around 12°C and an average of 13°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows.

Precipitation

0mm 25mm 50mm 75mm 100mm 125mm 150mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 15mm Feb Precipitation: 14mm Mar Precipitation: 27mm Apr Precipitation: 29mm May Precipitation: 57mm Jun Precipitation: 111mm Jul Precipitation: 106mm Aug Precipitation: 73mm Sep Precipitation: 50mm Oct Precipitation: 30mm Nov Precipitation: 27mm Dec Precipitation: 25mm
Precipitation

Betty’s Bay is a relatively dry area, receiving approximately 563mm of precipitation annually, which averages out to around 47mm per month. The wettest month is June, averaging 111mm of rainfall. July and August also tend to see above-average precipitation. The driest month is February, with just 14mm. That's 97mm less than June, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h 25km/h 30km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 28km/h Feb Wind Speed: 27km/h Mar Wind Speed: 26km/h Apr Wind Speed: 24km/h May Wind Speed: 22km/h Jun Wind Speed: 26km/h Jul Wind Speed: 25km/h Aug Wind Speed: 26km/h Sep Wind Speed: 26km/h Oct Wind Speed: 27km/h Nov Wind Speed: 27km/h Dec Wind Speed: 27km/h
Wind Speed

Betty’s Bay is moderately windy, with an average annual wind speed of 26km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 28km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in May, with average winds dropping to 22km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 6km/h between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Sep 23
Summer
Dec 21
Autumn
Mar 20

89 days until Winter

It is currently autumn in Betty’s Bay, which began on March 20, 2026. Betty’s Bay is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in February at around 22°C, while the coldest stretch bottoms out in August near 12°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 12 to 19°C. Rainfall is relatively light, with around 107mm over the season and a monthly average of 36mm. Winds are strong, averaging 27km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 17 to 22°C. Rainfall is relatively light, with around 54mm over the season and a monthly average of 18mm. Winds are strong, averaging 27km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from 14 to 20°C. Rainfall is relatively light, with around 113mm over the season and a monthly average of 38mm. Winds are moderate at around 24km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from 12 to 16°C. Precipitation is moderate at around 290mm for the season, averaging 97mm per month. Winds are strong, averaging 26km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 20°
Feb 20°
Mar 19°
Apr 17°
May 16°
Jun 15°
Jul 13°
Aug 13°
Sep 14°
Oct 16°
Nov 17°
Dec 19°

The best time to visit Betty’s Bay is during January, February, March, April, May, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 28mm per month. By contrast, August can be quite cold with temperatures dropping to 12°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

Monthly Climate Data

The table below shows monthly climate averages for Betty’s Bay based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
18 °C
22 °C
28 km/h
15 mm
0 cm
Feb
18 °C
22 °C
27 km/h
14 mm
0 cm
Mar Current
17 °C
20 °C
26 km/h
27 mm
0 cm
Apr
15 °C
19 °C
24 km/h
29 mm
0 cm
May
14 °C
18 °C
22 km/h
57 mm
0 cm
Jun
13 °C
16 °C
26 km/h
111 mm
0 cm
Jul
12 °C
15 °C
25 km/h
106 mm
0 cm
Aug
12 °C
15 °C
26 km/h
73 mm
0 cm
Sep
12 °C
16 °C
26 km/h
50 mm
0 cm
Oct
14 °C
18 °C
27 km/h
30 mm
0 cm
Nov
15 °C
19 °C
27 km/h
27 mm
0 cm
Dec
17 °C
20 °C
27 km/h
25 mm
0 cm
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Metric (°C, km/h)