Sliema weather
Our guide to the weather in Sliema during December
We've looked at the most up-to-date weather data for Sliema, 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 Sliema weather in December.
What's the temperature like in Sliema during December?
The temperature is extremely stable in December with average highs of 17℃ and lows just 2℃ lower at 16℃. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.
Does it rain in Sliema during December?
On average, there will be 4 rainy days during the month, amounting to 84.9mm 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. There's a small chance that you'll catch a thunderstorm during your trip.
Is it windy in Sliema during December?
Expect moderate breeze becoming stronger at times during December, with occasional gusts up to 23mph. With moderate humidity and mild air temperatures, the breeze will have a slight cooling effect.
How warm is the sea in Sliema during December?
The water around Sliema is around 18℃ during December. It will feel a little on the cool when first entering, but you'll warm up quickly. Most kids will have no problem with this temperature, but those who feel the cold are unlikely to want to swim.
Weather in Sliema
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December