January weather forecast
Grootfontein, Namibia

Despite its position at the height of summer, the weather in Grootfontein, Namibia in January sees moderate temperatures, with average highs at 29.1°C (84.4°F) and lows at a mild 19.9°C (67.8°F). In comparison to the proceeding month, December, the weather cools slightly. The city sees a generous share of summer showers marking it as the second wettest month of the year, experiencing a relatively high rainfall. Though the skies may be cloudy, overall the climate is inviting, enabling locals and visitors alike to enjoy outdoor activities. In short, January offers a temperate summer with scattered rainfall, clouds, and occasional sunshine.

Temperature

With the advent of January, Grootfontein's high-temperatures adjust to a still warm 29.1°C (84.4°F), closely aligning with the preceding month. In the month of January, the nighttime temperature dips to a steady average of 19.9°C (67.8°F).

Heat index

The heat index in January is appraised at a tropical 31°C (87.8°F). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.
Research indicates the heat index considers values in shaded locales and with light winds. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.

Humidity

In Grootfontein, the average relative humidity in January is 57%.

Rainfall

In January, the rain falls for 21.7 days. Throughout January, 127mm (5") of precipitation is accumulated. Throughout the year, there are 120.9 rainfall days, and 607mm (23.9") of precipitation is accumulated.

Daylight

In January, the average length of the day is 13h and 10min.
On the first day of January, sunrise is at 06:12 and sunset at 19:29. On the last day of the month, sunrise is at 06:31 and sunset at 19:30 CAT.

Sunshine

The months with the least sunshine in Grootfontein are January and February, with an average of 9.2h of sunshine.

UV index

In January, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 6 in January interprets into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.