December weather forecastNioumamilima, Comoros
December
Weather in December
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
Nioumamilima's shift into December sets the average high-temperature at a still moderately hot 28.3°C (82.9°F), a figure that deviates only slightly from November's 27.6°C (81.7°F). Throughout December, a minimal difference from peak daytime temperatures is noted, marking a steady low-temperature average of 26.6°C (79.9°F).Heat index
For most parts of December, the heat index is estimated at a hot 32°C (89.6°F). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.Keep in mind the heat index values are meant for areas in shade and with light wind. 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 'apparent temperature' or 'feels like', gauges the sensation of temperature factoring in the air's moisture content. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are especially crucial for babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Humidity
In December, the average relative humidity is 75%.Rainfall
In Nioumamilima, in December, during 19.5 rainfall days, 147mm (5.79") of precipitation is typically accumulated. Throughout the year, there are 187.6 rainfall days, and 1082mm (42.6") of precipitation is accumulated.Daylight
December has the longest days of the year, with an average of 12h and 48min of daylight.On the first day of the month, sunrise is at 05:32 and sunset at 18:18. On the last day of December, sunrise is at 05:45 and sunset at 18:33 EAT.
Sunshine
In December, the average sunshine 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 in Nioumamilima. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 7 in December translates into this advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Nioumamilima, Comoros
- Average high temperature in December: 28.3°C
The warmest month (with the highest average high temperature) is March (28.8°C).
The months with the lowest average high temperature are July, August and September (25.3°C).
- Average low temperature in December: 26.6°C
The month with the highest average low temperature is March (27.1°C).
The coldest month (with the lowest average low temperature) is August (23.8°C).
Average pressure in December
Nioumamilima, Comoros
- Average pressure in December: 1010.9mbar
The month with the highest atmospheric pressure is July (1017mbar).
The month with the lowest atmospheric pressure is February (1010mbar).
Average wind speed in December
Nioumamilima, Comoros
- Average wind speed in December: 11.5km/h
The windiest month (with the highest average wind speed) is July (23.7km/h).
The calmest month (with the lowest average wind speed) is November (11.2km/h).
Average humidity in December
Nioumamilima, Comoros
- Average humidity in December: 75%
The month with the highest relative humidity is January (78%).
The months with the lowest relative humidity are July and August (74%).
Average rainfall in December
Nioumamilima, Comoros
- Average rainfall in December: 147mm
The wettest month (with the highest rainfall) is January (233mm).
The driest month (with the least rainfall) is September (11mm).
Average rainfall days in December
Nioumamilima, Comoros
- Average rainfall days in December: 19.5 days
The months with the highest number of rainy days are March and April (23 days).
The month with the least rainy days is September (8.4 days).
Average daylight in December /
Average sunshine in December
Nioumamilima, Comoros
- Average daylight in December: 12h and 48min
The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 24min).
- Average sunshine in December: 10h and 48min
The month with the most sunshine is November (Average sunshine: 11h and 18min).
The month with the least sunshine is May (Average sunshine: 6h and 54min).
Average sunshine days in December
Nioumamilima, Comoros
- Average sunshine days in December: 9 days
The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is April (5.8 days).
Average UV index in December
Nioumamilima, Comoros
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, May, June, September, October, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 6).
Average cloud cover in December
Nioumamilima, Comoros
- Average cloud cover in December: 32
The month with the most cloud cover is January (Cloud cover 40).
The months with the least cloud cover are August and September (Cloud cover 20).
Average visibility in December
Nioumamilima, Comoros
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
