December weather forecast
Nioumamilima, Comoros

In December, Nioumamilima, Comoros returns to warmer temperatures, peaking at 28.3°C (82.9°F), accompanied by a significant increase in rainfall to approximately 147mm (5.79") compared to November. Despite December having the second-highest rainfall, it has more sunny days than November. With a slight increase in wind speed from November, expect breezier days. Going into January, weather conditions are likely to remain humid with high rainfall as experienced in December.

Temperature

With the onset of December, the average high-temperature registers at a still moderately hot 28.3°C (82.9°F), subtly different from November's 27.6°C (81.7°F). Maintaining close parity with daytime warmth, the average nocturnal temperature in Nioumamilima during December stays at a still moderately hot 26.6°C (79.9°F).

Heat index

The heat index value during December is appraised at a tropical 32°C (89.6°F). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.

Humidity

The average relative humidity in December is 75%.

Rainfall

In Nioumamilima, during December, the rain falls for 19.5 days and regularly aggregates up to 147mm (5.79") of precipitation. In Nioumamilima, during the entire year, the rain falls for 187.6 days and collects up to 1082mm (42.6") of precipitation.

Daylight

December has the longest days of the year, with an average of 12h and 48min of daylight.
On the first day of December in Nioumamilima, sunrise is at 05:32 and sunset at 18:18. On the last day of the month, sunrise is at 05:45 and sunset at 18:33 EAT.

Sunshine

The average sunshine in December in Nioumamilima is 10.8h.

UV index

January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 7 during December translates into the following directions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.