You might spend a lot of your holiday inside, but if you're planning to venture beyond the casino, looking at local weather trends is a good idea. The hottest months are usually January and February, with an average temperature of 25°C, while the coldest months are July and June, with an average of 14°C. The rainiest months in Artigas are October, November, September and January, with each month seeing an average of 181 mm of rainfall.