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December Weather in As Sayyani, Yemen

Last updated: August 28, 2025

In December, the average temperature in As Sayyani, Yemen hovers around 18°C (65°F), offering a pleasant climate for outdoor activities. You can expect a minimum of 6°C (43°F) and a maximum of 27°C (81°F), making it a comfortable month overall. With an average precipitation amount of 8 mm (0.3 in) spread over just 2 days, the weather remains mostly dry, complemented by an average humidity of 60%. Enjoy your time in this lovely destination!

December Temperature in As Sayyani

In December in As Sayyani, the average temperature is 18°C (65°F). Maximums can reach 27°C (81°F), and minimums can be as low as 6°C (43°F). This varied climate makes As Sayyani an ideal destination for travelers seeking mild and comfortable weather.

December Weather in As Sayyani: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in As Sayyani, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In As Sayyani, December typically has an average temperature of 18°C (65°F), with highs reaching up to 27°C (81°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec646770727476757473716865
Data source: Temperature data for As Sayyani 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 As Sayyani

In As Sayyani in December, the precipitation amount is 8 mm (0.3 in) over the course of 2 days.

December Precipitation Trends in As Sayyani

The chart displays monthly precipitation patterns in As Sayyani, 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 As Sayyani, December typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec78184678726493782938
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in As Sayyani

In As Sayyani in December humidity is 60%. With an average temperature of 18°C (65°F), this humidity feels like a mild embrace, making it comfortable for exploring the sights, yet it can cause a slight stickiness in the air that may prompt occasional breaks and hydration.

December Average Humidity in As Sayyani

This chart illustrates the average monthly humidity levels in As Sayyani, 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 As Sayyani is approximately 60%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec56%63%56%55%57%49%50%70%66%74%71%60%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in As Sayyani

In As Sayyani 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 As Sayyani.

Maximum UV Index Levels in As Sayyani for December

The chart shows the monthly maximum UV Index (UVI) for As Sayyani 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 As Sayyani typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111214151411121212121010
Data source: As Sayyani 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 As Sayyani Compares to Other Months

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

This table compares monthly weather conditions in As Sayyani, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (65°F)7 mm (0.3 inches)56%extreme
February Weather19°C (67°F)8 mm (0.3 inches)63%extreme
March Weather21°C (70°F)18 mm (0.7 inches)56%extreme
April Weather22°C (72°F)46 mm (1.8 inches)55%extreme
May Weather24°C (75°F)78 mm (3.1 inches)57%extreme
June Weather24°C (76°F)71 mm (2.8 inches)49%extreme
July Weather24°C (76°F)64 mm (2.5 inches)50%extreme
August Weather23°C (74°F)93 mm (3.6 inches)70%extreme
September Weather23°C (73°F)77 mm (3.0 inches)66%extreme
October Weather21°C (71°F)29 mm (1.1 inches)74%extreme
November Weather20°C (68°F)3 mm (0.1 inches)71%very high
December Weather18°C (65°F)8 mm (0.3 inches)60%very high

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