December weather forecastGrootfontein, Namibia
December
Weather in December
The month of December brings the wet season to its peak in Grootfontein. The highest rainfall of the year, 129mm (5.08"), is experienced this month. Despite the rain, temperatures remain high, boasting of the city's ability to keep its warmth throughout the year. However, plenty of sunshine, even during peak rainfall, helps to balance the weather conditions. All in all, December offers a warm and rainy end to the year.Temperature
Entering December, the average high-temperature is recorded at a warm 29.6°C (85.3°F), exhibiting a minimal shift from November's 31°C (87.8°F). December brings an average low-temperature of 20.5°C (68.9°F) to Grootfontein.Heat index
December's average heat index is appraised at a hot 31°C (87.8°F). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.Bear in mind that the heat index values are determined for shaded areas and light breezes. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'feels like' or 'real feel', reflects the feeling of heat when considering both air temperature and humidity. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Humidity
The average relative humidity in December is 52%.Rainfall
December is the month with the most rainfall. Rain falls for 22.2 days and accumulates 129mm (5.08") of precipitation.Daylight
With an average of 13h and 18min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 05:59 and sunset at 19:13. On the last day of December, sunrise is at 06:11 and sunset at 19:29 CAT.
Sunshine
The average sunshine in December is 9.3h.UV index
In Grootfontein, the average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 6 transforms into these recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grootfontein, Namibia
- Average high temperature in December: 29.6°C
The warmest month (with the highest average high temperature) is October (32.8°C).
The month with the lowest average high temperature is July (22.6°C).
- Average low temperature in December: 20.5°C
The months with the highest average low temperature are November and December (20.5°C).
The coldest month (with the lowest average low temperature) is July (6.8°C).
Average pressure in December
Grootfontein, Namibia
- Average pressure in December: 1010mbar
The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is January (1009.7mbar).
Average wind speed in December
Grootfontein, Namibia
- Average wind speed in December: 9.1km/h
The windiest month (with the highest average wind speed) is October (11km/h).
The calmest month (with the lowest average wind speed) is April (8.5km/h).
Average humidity in December
Grootfontein, Namibia
- Average humidity in December: 52%
The month with the highest relative humidity is March (62%).
The month with the lowest relative humidity is September (20%).
Average rainfall in December
Grootfontein, Namibia
- Average rainfall in December: 129mm
The wettest month (with the highest rainfall) is December (129mm).
The driest months (with the least rainfall) are June, July and August (0mm).
Average rainfall days in December
Grootfontein, Namibia
- Average rainfall days in December: 22.2 days
The month with the highest number of rainy days is December (22.2 days).
The months with the least rainy days are June and July (0 days).
Average daylight in December /
Average sunshine in December
Grootfontein, Namibia
- Average daylight in December: 13h and 18min
The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 11h and 0min).
- Average sunshine in December: 9h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The months with the least sunshine are January and February (Average sunshine: 9h and 12min).
Average sunshine days in December
Grootfontein, Namibia
- Average sunshine days in December: 6.9 days
The month with the most sunshine days is July (31 days).
The month with the least sunshine days is February (6.4 days).
Average UV index in December
Grootfontein, Namibia
- Average UV index in December: 6
The month with the highest UV index is October (UV index 7).
The months with the lowest UV index are May, June, July and August (UV index 5).
Average cloud cover in December
Grootfontein, Namibia
- Average cloud cover in December: 24
The months with the most cloud cover are February and March (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 1).
Average visibility in December
Grootfontein, Namibia
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
