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December Weather in Osu, Nigeria

Last updated: August 27, 2025

In December, the average temperature in Osu, Nigeria reaches a warm 27°C (82°F). Temperatures can vary, with minimums dipping to 18°C (64°F) and maximums soaring to 37°C (99°F). Expect a touch of moisture with an average precipitation of 9 mm (0.3 in) spread over 2 days, while the air stays comfortably humid at an average of 63%.

December Temperature in Osu

In December in Osu, the average temperature is 27°C (82°F), with maximums reaching up to 37°C (99°F) and minimums dropping as low as 18°C (64°F). This warm and pleasant climate makes it an ideal destination for travelers looking to enjoy outdoor activities and soak up the sun.

December Weather in Osu: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Osu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Osu, December typically has an average temperature of 27°C (82°F), with highs reaching up to 37°C (99°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec828482818078777677788081
Data source: Temperature data for Osu 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.

December Precipitation in Osu

In Osu in December, the precipitation amount is 9 mm (0.3 in) over a period of 2 days.

December Precipitation Trends in Osu

The chart displays monthly precipitation patterns in Osu, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Osu, December typically receives around 9 mm (0.3 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec8308289146224205207244198479
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Osu

In Osu in December, humidity is 63%. With an average temperature of 27°C (82°F), this humidity feels like a warm embrace that can make outdoor activities a bit sticky, so travelers will want to stay hydrated and take breaks in the shade.

December Average Humidity in Osu

This chart illustrates the average monthly humidity levels in Osu, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Osu is approximately 63%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec37%44%61%72%82%86%87%90%91%90%82%63%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Osu

In Osu in December, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Osu.

Maximum UV Index Levels in Osu for December

The chart shows the monthly maximum UV Index (UVI) for Osu in December, 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 December, the maximum UV index in Osu typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10111214121212121311910
Data source: Osu December 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 December Weather in Osu Compares to Other Months

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

This table compares monthly weather conditions in Osu, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (82°F)8 mm (0.3 inches)37%very high
February Weather29°C (84°F)30 mm (1.2 inches)44%extreme
March Weather28°C (83°F)82 mm (3.2 inches)61%extreme
April Weather27°C (81°F)88 mm (3.5 inches)72%extreme
May Weather26°C (80°F)146 mm (5.8 inches)82%extreme
June Weather25°C (78°F)224 mm (8.8 inches)86%extreme
July Weather25°C (77°F)205 mm (8.1 inches)87%extreme
August Weather24°C (76°F)207 mm (8.2 inches)90%extreme
September Weather25°C (77°F)244 mm (9.6 inches)91%extreme
October Weather25°C (78°F)198 mm (7.8 inches)90%extreme
November Weather27°C (80°F)47 mm (1.8 inches)82%very high
December Weather27°C (82°F)9 mm (0.3 inches)63%very high

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