Climate and monthly weather forecast
Sun City, South Africa

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The Palace in Lost City, Sun City, South Africa, with a large water fountain in the front yard
The Palace in Lost City, Sun City, South Africa, with a large water fountain in the front yard

The climate of Sun City

Characterized by Köppen climate classification as a Subtropical Steppe (BSh), Sun City, South Africa is found to be under the influence of a predominantly semi-arid weather system. With mild to high temperatures throughout the year and a scarcity of rainfall, the city experiences a moderate climate.

In terms of general weather trends, Sun City witnesses the highest temperatures in January and February with a peak of 29.3°C (84.7°F) and 28.8°C (83.8°F) respectively while the coldest month is July with a low of 6.3°C (43.3°F). Speaking of temperatures at night, they drop to the lowest in July, reaching 6.3°C (43.3°F), whereas in winters it goes up to 18°C (64.4°F). It's important to note the diurnal temperature range between day and night can be considerable due to the semi-arid climate.

As for the rainfall trends, there is an evident contrast. The city experiences the most rain in January with 83mm (3.27") and the least during June and July with only 1mm (0.04"). This certainly sets a clear wet and dry season pattern in the city's weather dynamics. On similar lines, January has the most rainy days, approximately 20.7 days, and July has the least with just 1.3 days.

Specific highlights in terms of unique weather patterns include the low relative humidity from June to October, dipping to 32% in September, which makes the air considerably dry. March, with a wind speed of 7km/h (4.3mph), experiences the calmest conditions regarding the wind while the most robust winds blow at a speed of 10.6km/h (6.6mph) in October.

The best time to visit Sun City

Considering the aggregated climatic factors, the optimal period for visiting Sun City is likely to be between September and November. During these months, the temperature circumstances are relatively moderate, with highs ascending to 22.7°C (72.9°F) in September, 27°C (80.6°F) in October, and 28.8°C (83.8°F) in November. Temperatures during this time are comforting and conducive for tourism-related activities. There is minimal rainfall, reaching 4mm (0.16"), 32mm (1.26"), and 63mm (2.48") respectively, thus indicating a lower chance of encountering a rainy day which further enhances sightseeing possibilities.

The worst time to visit Sun City

The least favorable period to explore Sun City can be between June and August. This time signifies the peak of the South African winter. Low temperatures go down to 6.7°C (44.1°F) in June, 6.3°C (43.3°F) in July, and 8.6°C (47.5°F) in August. Wind speed also sees a gradual acceleration to 8km/h (5mph) in June, 9.5km/h (5.9mph) in July, and 10.1km/h (6.3mph) in August, making outdoor activities slightly daunting due to the cold and wind. Nevertheless, Sun City has relatively milder winters compared to various other South African cities.

Spring weather in Sun City

Spring in Sun City starts in September and lasts until November. This period brings along weather comfort marked by a steady increase in the day's length and temperature. Daylight hours extend from 10.9 hours in August to 11.3 hours in September, 12 hours in October, and 12.7 hours in November. The UV index rises steadily from 4 to 5 in September and remains at 6 in October and November. The weather remains dry with humidity stability, which augments the conditions for tourism.

Summer weather in Sun City

From December to February, Sun City basks in the warmth of the summer. The temperatures reach their maximum with values shifting from 29.1°C (84.4°F) in December to 29.3°C (84.7°F) in January and 28.8°C (83.8°F) in February. Rainfall during this period is relatively high with approximately 95mm (3.74") in December, 83mm (3.27") in January, and 53mm (2.09") in February. The warmer months hence coincide with the rainiest ones, resulting in a warm and wet summer.

Autumn weather in Sun City

The autumn months of March to May in Sun City are characterized by decreasing temperatures and gradually dwindling rainfall. Values of temperature go from a high of 27.6°C (81.7°F) in March, to 24.4°C (75.9°F) in April, and down to 22.4°C (72.3°F) in May. Correspondingly, rainfall diminishes from 41mm (1.61") in March to 30mm (1.18") in April, reaching the minimal value of 5mm (0.2") in May. The autumn season is therefore perceived as the transition between the warm and wet summer to the milder and dry winter.

Winter weather in Sun City

June, July, and August mark the winter season in Sun City. During this period, the city experiences the lowest temperatures, which decline to 19.2°C (66.6°F) in June, 18.9°C (66°F) in July, and increase marginally to 22.7°C (72.9°F) in August. These months register the least rainfall, with almost negligible prevalence in June and July with 1mm (0.04"), while August sees a slight upsurge with 1mm (0.04"). Winters are thereby characterized as cool and extremely dry. On an interesting note, despite being the coldest period, the presence of sunshine even in winters is considerable, standing at 10.6 hours in June, 10.7 hours in July, and 11.3 hours in August.

Weather in January

Sun City in January offers characteristically warm days, with temperatures peaking at 29.3°C (84.7°F). This month holds the highest average humidity level of all other months, a factor that contributes to the warm and moist atmosphere encountered. Weather in January »

Weather in February

In February, Sun City continues to experience the summer weather carried over from January, yet with slightly cooler temperatures. Rainfall quantities tend to decrease compared to January, signaling the transition towards the drier months. Weather in February »

Weather in March

March in Sun City bears witness to continued decline in temperatures, now maxing at 27.6°C (81.7°F), ushering in the autumn season. This change is accompanied by a decrease in rainfall intensity, making for less humid days. Despite lesser moisture, cloud coverage remains relatively consistent, maintaining the ever-changing skyline. Weather in March »

Weather in April

In April, the city experiences further cooling rates, easing into comfortable weather conditions. Rainfall becomes even more sporadic, paving the way for drier conditions and less humid situations. Gradual fall in daylight hours becomes noticeable in April, leading to shorter days and longer evenings. Weather in April »

Weather in May

Sun City ushers in the month of May with perceptible changes in weather patterns. It noticeably becomes one of the driest months of the year, with rainfall dropping to a mere 5mm (0.2"), setting the stage for a dry atmosphere. The reduction in humidity, coupled with cooler temperatures, enhances the appeal of outdoor activities, such as safari rides. Weather in May »

Weather in June

The onset of winter is marked in June, with Sun City experiencing a considerable dip in temperatures. The city also witnesses the lowest average relative humidity among all months, making the air arid and crisp. A reduction in daylight hours is more noticeable; however, the cooler weather makes for comfortable day-time roaming. Weather in June »

Weather in July

In July, Sun City continues to be deep within its winter season. The temperatures tend to be on the cooler side; however, the absence of rainfall makes up for it by providing dry and clear days. The amount of sunlight also sees a slight increase, despite the overall cool weather prevailing. Weather in July »

Weather in August

With Sun City transitioning slowly into spring in August, a slight but noticeable rise in temperatures can be perceived. The extensive absence of rainfall still persists in August, resulting in a dry atmosphere dominating the city. Weather in August »

Weather in September

As spring comes into full view in September, Sun City experiences further warmth with temperatures scaling up to 27°C (80.6°F). An increase in rainfall volume becomes evident, signaling the advent of a slightly wetter season. Weather in September »

Weather in October

In October, the weather in Sun City sets the stage for the approaching summer season. The increase in temperatures endorsed by the relative spike in humidity gives rise to a warm atmosphere. The onset of seasonal rains is more evident, with increased rainfall recorded. Weather in October »

Weather in November

As summer approaches in Nov, Sun City experiences one of its warmest months. The consistent increase in temperature, supported by a noticeable rise in humidity, manifests in a hot climate. Concurrently, the advent of the rainy season is affirmed with increased rainfall. Weather in November »

Weather in December

The culmination of the year sees Sun City in full swing of its summer season in December. Climbing temperatures, high humidity, and heavy rainfall make for a tropical atmosphere. Despite the rain, daylight and sunshine hours peak, marking the longest day of the year during the December solstice. Weather in December »

Frequently asked questions

What are the warmest months?

Sun City records the warmest temperatures in January, averaging a high of 29.3°C (84.7°F) and a low of 18°C (64.4°F).

How many days does it rain?

Throughout the year, there are 118.3 rainfall days, and 411mm (16.18") of precipitation is accumulated.

What is the month with the highest UV index?

January through March, October through December, with an average maximum UV index of 6, are months with the highest UV index.

What is the most humid month in Sun City?

February is the most humid month, with an average relative humidity of 61%.

When is the lowest UV index?

May through July, with an average maximum UV index of 4, are months with the lowest UV index.

What is the month with the shortest days?

The month with the shortest days is June, with an average of 10h and 36min of daylight.

What are the months with the least sunshine?

June and August, with an average of 7.5h of sunshine, are months with the least sunshine.

What time of the year is the coldest?

July is the month when Sun City sees the average lowest temperatures, with a high of 18.9°C (66°F) and a low of 6.3°C (43.3°F).

What is the driest month?

The months with the least rainfall are July and August Rain falls for 1.3 days and accumulates 1mm (0.04") of rain.

What is the least humid month?

With an average relative humidity of 32%, September is the least humid month.

What month has the most sunshine?

The month with the most sunshine is October, with an average of 11.9h of sunshine.

What is the wettest month in Sun City?

The month with the most rainfall is December, when the rain falls for 19.6 days and typically aggregates up to 95mm (3.74") of precipitation.

When are the longest days?

December has the longest days of the year, with an average of 13h and 42min of daylight.

Is there Daylight Saving Time (DST)?

Sun City does not observe Daylight Saving Time (DST). SAST timezone is used throughout the entire year.

Average temperature
Sun City, South Africa

Average temperature - Sun City, South Africa

The warmest month (with the highest average high temperature) is January (29.3°C).
The month with the lowest average high temperature is July (18.9°C).

The months with the highest average low temperature are January and December (18°C).
The coldest month (with the lowest average low temperature) is July (6.3°C).

Average pressure
Sun City, South Africa

Average pressure - Sun City, South Africa

The month with the highest atmospheric pressure is July (1024.4mbar).
The month with the lowest atmospheric pressure is January (1012.3mbar).

Average wind speed
Sun City, South Africa

Average wind speed - Sun City, South Africa

The windiest month (with the highest average wind speed) is October (10.6km/h).
The calmest months (with the lowest average wind speed) are March and May (7km/h).

Average humidity
Sun City, South Africa

Average humidity - Sun City, South Africa

The month with the highest relative humidity is February (61%).
The month with the lowest relative humidity is September (32%).

Average rainfall
Sun City, South Africa

Average rainfall - Sun City, South Africa

The wettest month (with the highest rainfall) is December (95mm).
The driest months (with the least rainfall) are July and August (1mm).

Average rainfall days
Sun City, South Africa

Average rainfall days - Sun City, South Africa

The month with the highest number of rainy days is January (20.7 days).
The month with the least rainy days is August (1 days).

Average daylight / Average sunshine
Sun City, South Africa

Average daylight / Average sunshine - Sun City, South Africa

The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 36min).

The month with the most sunshine is October (Average sunshine: 11h and 54min).
The months with the least sunshine are June and August (Average sunshine: 7h and 30min).

Average sunshine days
Sun City, South Africa

Average sunshine days - Sun City, South Africa

The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is January (6.6 days).

Average UV index
Sun City, South Africa

Average UV index - Sun City, South Africa

The months with the highest UV index are January, February, March, October, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).

Average cloud cover
Sun City, South Africa

Average cloud cover - Sun City, South Africa

The months with the most cloud cover are January and December (Cloud cover 24).
The months with the least cloud cover are July and August (Cloud cover 5).

Average visibility
Sun City, South Africa

Average visibility - Sun City, South Africa

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

Sun City, South Africa

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