Germiston Weather in December

December in Germiston averages 27°C (81°F) during the day and 16°C (61°F) at night. It is the wettest month of the year, with 138 mm (5.4 in) of rainfall on average, so waterproof gear is a must.

Rainfall in Germiston in December

With the most rainfall occurring this month, it's practical to keep an umbrella handy for sudden downpours. On average, there are about 14 days with rain during this month, averaging 138 mm (5.4 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Germiston in December

In December, Germiston gets high temperatures, with highs of 27°C (81°F). Nights cool to around 16°C (61°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights drop to around 16°C (61°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Germiston in December

There are approximately 264 hours of sunshine this month, resulting in mostly clear days.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. March, April, May, June, July, August, September and October typically offer the best weather for Germiston.