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 in Grootfontein offers a temperate summer with scattered rainfall, clouds, and occasional sunshine.

Temperature

The introduction of January in Grootfontein, Namibia, sees an average high-temperature of a still warm 29.1°C (84.4°F), hardly deviating from December. In the month of January, the temperature in Grootfontein generally rests at an average low of 19.9°C (67.8°F).

Heat index

The heat index value during January is computed to be a hot 31°C (87.8°F). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

In Grootfontein, in January, during 21.7 rainfall days, 127mm (5") of precipitation is typically accumulated. Throughout the year, there are 120.9 rainfall days, and 607mm (23.9") of precipitation is accumulated.

Daylight

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

Sunshine

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

UV index

In Grootfontein, the average daily maximum UV index in January is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In January, the maximum UV index of 6 translates into these guidelines:
Deflect overexposure. Sun protection is a necessity. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.