January weather forecast
Windhoek, Namibia

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The monument of the first president of Namibia near the Lutheran Christ Church in Windhoek, Namibia
The monument of the first president of Namibia near the Lutheran Christ Church in Windhoek, Namibia

Weather in January

The first month of the year in Windhoek, Namibia, generally sees warm temperatures with some rainfall. Weather conditions shift accordingly from December, with a marginal decrease in temperature. A unique signifier of this time of the year is the rainfall measured at 46mm (1.81"), considerably higher than the preceding month. The city experiences visible cloudy skies and an overall pleasant ambience that locals and visitors appreciate. Looking ahead, February brings similar weather patterns, although with slightly more rain.

Temperature

The advent of January presents an average high-temperature of a still warm 29°C (84.2°F), maintaining a close correlation with the preceding month. January in Windhoek sees the temperature falling to a mean low of 18.9°C (66°F).

Heat index

For most parts of January, the heat index is computed to be 29°C (84.2°F). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', binds temperature metrics with humidity values to give a sense of the actual warmth. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.

Humidity

In Windhoek, the average relative humidity in January is 41%.

Rainfall

In Windhoek, in January, during 14 rainfall days, 46mm (1.81") of precipitation is typically accumulated. In Windhoek, during the entire year, the rain falls for 80.2 days and collects up to 304mm (11.97") of precipitation.

Daylight

In Windhoek, Namibia, the average length of the day in January is 13h and 20min.
On the first day of January in Windhoek, sunrise is at 06:10 and sunset at 19:39. On the last day of the month, sunrise is at 06:31 and sunset at 19:39 CAT.

Sunshine

In Windhoek, the average sunshine in January is 9.6h.

UV index

The months with the highest UV index are January, February, October through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In January, the average maximum UV index of 6 translates into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.

Frequently asked questions

How hot does it get in January?

Windhoek in January has an average high-temperature of 29°C (84.2°F) and an average low-temperature of 18.9°C (66°F). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in January is computed to be 29°C (84.2°F).

What is the average humidity in January?

In January, the average relative humidity is 41%.

How many days does it rain in January?

In Windhoek, in January, it is raining for 14 days, with typically 46mm (1.81") of accumulated precipitation.

What is the average length of the day in January?

The average day length in January is 13h and 20min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 06:10 and sunset at 19:39. On the last day of the month, sunrise is at 06:31 and sunset at 19:39 CAT.

How long on average sun shines in January in Windhoek?

In January, the average sunshine duration is 9.6h.

What is the month with the highest UV index?

January, February, October through December, with an average maximum UV index of 6, are months with the highest UV index.

How high is the UV index in January in Windhoek?

In Windhoek, the average daily maximum UV index in January is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.

Average temperature in January
Windhoek, Namibia

Average temperature in January - Windhoek, Namibia
  • Average high temperature in January: 29°C

The warmest months (with the highest average high temperature) are October and November (29.5°C).
The month with the lowest average high temperature is July (19.8°C).

  • Average low temperature in January: 18.9°C

The month with the highest average low temperature is January (18.9°C).
The coldest month (with the lowest average low temperature) is July (6°C).

Average pressure in January
Windhoek, Namibia

Average pressure in January - Windhoek, Namibia
  • Average pressure in January: 1010.7mbar

The month with the highest atmospheric pressure is July (1021.3mbar).
The month with the lowest atmospheric pressure is January (1010.7mbar).

Average wind speed in January
Windhoek, Namibia

Average wind speed in January - Windhoek, Namibia
  • Average wind speed in January: 10km/h

The windiest month (with the highest average wind speed) is October (12.6km/h).
The calmest month (with the lowest average wind speed) is March (9.3km/h).

Average humidity in January
Windhoek, Namibia

Average humidity in January - Windhoek, Namibia
  • Average humidity in January: 41%

The month with the highest relative humidity is March (51%).
The months with the lowest relative humidity are September and October (19%).

Average rainfall in January
Windhoek, Namibia

Average rainfall in January - Windhoek, Namibia
  • Average rainfall in January: 46mm

The wettest month (with the highest rainfall) is February (102mm).
The driest months (with the least rainfall) are June, July and August (0mm).

Average rainfall days in January
Windhoek, Namibia

Average rainfall days in January - Windhoek, Namibia
  • Average rainfall days in January: 14 days

The month with the highest number of rainy days is February (15.9 days).
The month with the least rainy days is August (0 days).

Average daylight in January /
Average sunshine in January
Windhoek, Namibia

Average daylight in January / Average sunshine in January - Windhoek, Namibia
  • Average daylight in January: 13h and 2min

The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).

  • Average sunshine in January: 9h and 4min

The month with the most sunshine is November (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 9h and 24min).

Average sunshine days in January
Windhoek, Namibia

Average sunshine days in January - Windhoek, Namibia
  • Average sunshine days in January: 13.7 days

The month with the most sunshine days is July (30.7 days).
The month with the least sunshine days is February (9.8 days).

Average UV index in January
Windhoek, Namibia

Average UV index in January - Windhoek, Namibia
  • Average UV index in January: 6

The months with the highest UV index are January, February, October, November and December (UV index 6).
The months with the lowest UV index are June and July (UV index 4).

Average cloud cover in January
Windhoek, Namibia

Average cloud cover in January - Windhoek, Namibia
  • Average cloud cover in January: 17

The month with the most cloud cover is February (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 1).

Average visibility in January
Windhoek, Namibia

Average visibility in January - Windhoek, Namibia
  • Average visibility in January: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

Windhoek, Namibia

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