Climate and monthly weather forecastSiteki, Swaziland

The climate of Siteki

Situated in Swaziland, Siteki experiences a Humid subtropical climate with a predominate Köppen classification of Cwa. These conditions entail dry winters and significant moisture throughout the summer season. Throughout the year, temperatures exhibit a pronounced variation, with high temperatures soaring from 21.4°C (70.5°F) to 27.5°C (81.5°F), and low temperatures decreasing from 9.3°C (48.7°F) to 17.5°C (63.5°F).

Relative humidity during the year remains relatively high, fluctuating from 57% to 82%. This high humidity often leads to conditions common in subtropical climates, such as muggy and uncomfortable weather. The precipitation range is notable, with the amounts of rainfall ranging from scant amounts of 4mm (0.16") during July to abundant rainfall reaching 110mm (4.33") in December.

Visibility range is consistently good throughout the year, showing smaller changes between 7km (4.3mi) in the more humid months to 10km (6.2mi) during the less humid seasons. Solar exposure follows a similar trend, with the daylight hours going from 10.5 to 13.8, and sunshine hours ranging from 6.4 to 9 per day.

The best time to visit Siteki

The ideal time to visit Siteki would be during the cooler and drier months of June, July, and August. During this time, visitors can enjoy pleasant temperatures, varying from a high of 21.4°C (70.5°F) to 23.8°C (74.8°F) and lows of 9.3°C (48.7°F) to 11.8°C (53.2°F). Daylight hovers around 10.5 hours to 11.2 hours and relative humidity drops down to a comfortable 59 - 59%.

The amount of sunshine is more or less constant throughout these months, ranging from 7.3 hours to 7.4 hours per day, providing just the right amount of natural light for outdoor activities without becoming overwhelming hot. The rainfall is notably low during this time, allowing visitors to explore the beautiful landscapes of Siteki without having to worry about sudden downpours.

The worst time to visit Siteki

Visitors might want to avoid the wetter months of December and January when rainfall can reach up to 110mm (4.33") and 94mm (3.7"), respectively. During these months, the area becomes quite humid with a relative humidity hitting the figures of 82%. Temperatures during this time reach their yearly highs, ranging from 27.3°C (81.1°F) to 27.5°C (81.5°F) making it uncomfortably warm for outdoor activities.

Spring weather in Siteki

With the blossoming of spring in September, October, and November, Siteki experiences a gradual increase in temperature, with highs increasing from 23.8°C (74.8°F) to 26.4°C (79.5°F) and lows ranging between 11.1°C (52°F) to 16.1°C (61°F). Although rainfall begins to increase during these months, it does not reach its peak until December, allowing visitors to enjoy the budding of new life unhindered.

Summer weather in Siteki

In Siteki, the summer season (December, January, and February) is synonymous with warmth and rainfall. High temperatures generally fluctuate between 26.6°C (79.9°F) to 27.5°C (81.5°F), with the lowest nighttime temperature straying around 17.3°C (63.1°F) to 17.5°C (63.5°F). As the region enters the peak of its rainy season, expect frequent showers and high humidity.

Autumn weather in Siteki

The autumn months (March, April, and May) in Siteki bring about a noticeable reduction in rainfall, changing atmosphere from high rainfall in March of 58mm (2.28") to a mere 6mm (0.24") in May. The temperature also undergoes a gradual decrease during these months with high temperatures moving from 26.6°C (79.9°F) to 23.8°C (74.8°F), and low temperatures shifting from 15.9°C (60.6°F) to 11.8°C (53.2°F).

Winter weather in Siteki

The winter months of June, July, and August offer a respite from the heat and humidity as the mercury dips between 21.4°C (70.5°F) to 23.8°C (74.8°F) during the day and plunges to a chilly 9.3°C (48.7°F) to 11.8°C (53.2°F) at night. Rainfall is low and fleeting during these months, making it the perfect time for visitors to enjoy the natural beauty of Siteki without worrying about rainy disruptions.

Weather in January

January in Siteki, Swaziland, transitions the city from a scorching summer into a slightly cooler season. Rainfall begins to decrease during this month, with humidity levels remaining somewhat high. Relatively warm temperatures persist, and periods of sunshine counterbalance the decreased daylight hours. Weather in January »

Weather in February

As Siteki walks through February, a slight dip in temperature ensues, leading to a milder climate than January. The decrease in rainfall continues, pleasantly transforming the essence of the city. Sunshine periods are extended slightly, suggesting more daylight hours, despite an average reduction in total daylight. Weather in February »

Weather in March

March arrives in Siteki with slightly lower temperatures than February, making it a bit cooler. There is further reduction in rainfall, and likewise, a decrease in humidity levels, creating a more comfortable ambience. Daylight hours mark a downward trend, on the contrary, total sunshine hours maintain a nearly steady rate. Weather in March »

Weather in April

April descends on Siteki, leading to a distinct temperature drop relative to March. This month brings in less rainfall, contributing to lower humidity levels, thereby transforming the general atmosphere of the city. Even though the daylight hours continue to decline, there is a slight increase in the total hours of sunshine experienced. Weather in April »

Weather in May

In May, Siteki experiences a further decrease in temperatures, making it significantly cooler than April. Rainfall reaches a yearly low, resulting in a significant reduction in humidity. The city basks in plenty of sunshine hours during the day, despite shortened daylight. Weather in May »

Weather in June

June ushers in the winter season with substantially lower temperatures as compared to May in Siteki. The reduction in rainfall proportionately decreases the city’s humidity levels. The available daylight hours are nearly at their annual low; however, sunshine hours remain fairly constant. Weather in June »

Weather in July

July marks the middle of winter in Siteki, with temperatures dropping further from June. The city continues to receive minimal rainfall, maintaining low levels of humidity. Both daylight and sunshine hours begin to increase once more, imparting a brighter aspect to the city’s ambiance. Weather in July »

Weather in August

August tends to show signs of warmer weather compared to July in Siteki. Rainfall undergoes a slight increase, albeit not enough to significantly affect the city’s dry conditions. Although daylight hours steadily increase, sunshine hours take a minor dip. Weather in August »

Weather in September

September in Siteki brings a noticeable rise in temperatures compared to August. Rainfall begins a steep increase, marking a transition into wetter conditions. The extended daylight and sunshine hours enhance the city's charm. Winds pick up intensity, and the barometric pressure tends to drop. Weather in September »

Weather in October

October ushers in the late spring, with temperatures returning to near-summer levels compared to September in Siteki. Rainfall triplies, driving up the humidity levels. Sun-basked days and extended daylight hours bring a sense of vibrancy to the city. Weather in October »

Weather in November

November conveys soaring temperatures in Siteki, almost reaching those observed in the summer months. The city receives ample rainfall, further amping the humidity levels. A near-maximum amount of daylight hours adds to the overall warmth of the month. Weather in November »

Weather in December

December in Siteki signifies the start of summer, with temperatures achieving annual maximums. Rainfall continues to climb, intensifying the humidity levels. Expanded daylight hours and abundant sunshine combine to enhance the summertime feel. Weather in December »