Swaziland weather
Our guide to the weather in Swaziland during December
We've looked at the most up-to-date weather data for Swaziland, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Swaziland weather in December.
How warm is it in Swaziland during December?
December is typically the hottest month in Swaziland. Remember that in December it's summer in the souther hemisphere! The temperature hits about 28℃ during the day, falling away to a balmy 17℃ at night. Of course, the high humidity will make it feel even hotter. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.
Does it rain in Swaziland during December?
On average, there will be 11 rainy days during the month, amounting to 189.3mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. Due to the high temperature and humidity, you might expect lots of thunderstorms, however they're actually fairly infrequent at this time of year. On average, December will see just 6 days that produce a storm.
Is it windy in Swaziland during December?
You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in December. The high humidity and warm temperature will make the breeze feel warm, so any cooling effect will be limted.
Weather in Swaziland
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December