January Weather in Mariental, Namibia

Last updated: August 31, 2025

In January, the average temperature in Mariental, Namibia is a warm 29°C (84°F). Temperatures can vary, with a minimum of 17°C (63°F) and soaring up to a maximum of 40°C (105°F). Expect about 46 mm (1.8 in) of precipitation over 5 days, along with an average humidity of 45%. Perfect weather for those who love the heat!

January Temperature in Mariental

In January in Mariental, the average temperature is 29°C (84°F). Maximums can reach 40°C (105°F), while minimums can dip as low as 17°C (63°F). Be prepared for warm weather and pack both lightweight clothing for the heat and a light jacket for cooler evenings.

January Weather in Mariental: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Mariental, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mariental, January typically has an average temperature of 29°C (84°F), with highs reaching up to 40°C (105°F) and lows dropping to around 17°C (63°F).
JanFebMarAprMayJunJulAugSepOctNovDec838180746761596171768182
Data source: Temperature data for Mariental generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Mariental

In Mariental in January, the precipitation amount is 46 mm (1.8 in) recorded over a span of 5 days.

January Precipitation Trends in Mariental

The chart displays monthly precipitation patterns in Mariental, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Mariental, January typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec46602716102016236
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Mariental

In Mariental in January, humidity is 45%. With an average temperature of 29°C (84°F), this humidity feels like a warm embrace, making traveling quite pleasant as you can enjoy outdoor activities without feeling overly sticky or uncomfortable.

January Average Humidity in Mariental

This chart illustrates the average monthly humidity levels in Mariental, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Mariental is approximately 45%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec45%52%60%68%65%52%42%31%25%25%29%37%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Mariental

In Mariental in January, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Mariental.

Maximum UV Index Levels in Mariental for January

The chart shows the monthly maximum UV Index (UVI) for Mariental in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Mariental typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16171411867911141516
Data source: Mariental January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How January Weather in Mariental Compares to Other Months

Weather in Mariental varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Mariental, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Mariental, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather29°C (84°F)46 mm (1.8 inches)45%extreme
February Weather27°C (82°F)60 mm (2.3 inches)52%extreme
March Weather27°C (80°F)27 mm (1.1 inches)60%extreme
April Weather23°C (74°F)16 mm (0.6 inches)68%extreme
May Weather20°C (67°F)1 mm (0.0 inches)65%very high
June Weather16°C (61°F)0 mm (0.0 inches)52%high
July Weather15°C (59°F)2 mm (0.1 inches)42%high
August Weather16°C (62°F)0 mm (0.0 inches)31%very high
September Weather22°C (71°F)1 mm (0.0 inches)25%extreme
October Weather24°C (76°F)6 mm (0.2 inches)25%extreme
November Weather27°C (81°F)2 mm (0.1 inches)29%extreme
December Weather28°C (83°F)36 mm (1.4 inches)37%extreme

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