December Weather in Siteki, Eswatini

Last updated: August 23, 2025

In December, the average temperature in Siteki, Eswatini hovers around 25°C (77°F). However, temperatures can vary significantly, with minimums dropping to 15°C (59°F) and maximums soaring to 39°C (103°F). Expect about 96 mm (3.8 in) of precipitation spread across roughly 12 days, and enjoy a high humidity level of 84% as you experience the local climate.

December Temperature in Siteki

In December in Siteki, the average temperature is 25°C (77°F). Maximum temperatures can reach up to 39°C (103°F), while minimum temperatures can drop as low as 15°C (59°F). This range makes Siteki an ideal destination for travelers seeking warm weather with some cooler evenings to enjoy.

December Weather in Siteki: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Siteki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siteki, December typically has an average temperature of 25°C (77°F), with highs reaching up to 39°C (103°F) and lows dropping to around 15°C (59°F).

Data source: Temperature data for Siteki generated using information from the Copernicus Climate Change Service.

December Precipitation in Siteki

In Siteki in December, the precipitation amount is 96 mm (3.8 in) spread over a duration of 12 days.

December Precipitation Trends in Siteki

The chart displays monthly precipitation patterns in Siteki, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Siteki, December typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Siteki

In Siteki in December, humidity is 84%. With an average temperature of 25°C (77°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities challenging and prompting travelers to seek shade and stay hydrated.

December Average Humidity in Siteki

This chart illustrates the average monthly humidity levels in Siteki, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Siteki is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Siteki

In Siteki in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Siteki, you can check here.

Maximum UV Index Levels in Siteki for December

The chart shows the monthly maximum UV Index (UVI) for Siteki in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Siteki typically reaches 14, which falls under the extreme exposure category.

Data source: Siteki December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How December Weather in Siteki Compares to Other Months

Weather in Siteki varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Siteki, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Siteki, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	113 mm (4.5 inches)	82%	extreme
February Weather	25°C (78°F)	150 mm (5.9 inches)	81%	extreme
March Weather	24°C (76°F)	75 mm (3.0 inches)	80%	extreme
April Weather	22°C (73°F)	40 mm (1.6 inches)	82%	very high
May Weather	20°C (69°F)	17 mm (0.7 inches)	86%	high
June Weather	18°C (65°F)	18 mm (0.7 inches)	78%	moderate
July Weather	18°C (65°F)	4 mm (0.1 inches)	81%	high
August Weather	19°C (67°F)	20 mm (0.8 inches)	77%	high
September Weather	21°C (70°F)	20 mm (0.8 inches)	85%	very high
October Weather	22°C (71°F)	65 mm (2.6 inches)	85%	extreme
November Weather	23°C (74°F)	71 mm (2.8 inches)	85%	extreme
December Weather	25°C (77°F)	96 mm (3.8 inches)	84%	extreme