December weather forecastSejeli, Tanzania
December
Weather in December
December, the first month of the summer in Sejeli, is still a warm month, with an average temperature fluctuating between 29.7°C (85.5°F) and 19.2°C (66.6°F).Temperature
Upon the onset of December, Sejeli witnesses an average high-temperature of a warm 29.7°C (85.5°F), showing a close resemblance to the prior month. In December, the recorded average low-temperature is a refreshing 19.2°C (66.6°F).Heat index
In December, the heat index is evaluated at a hot 34°C (93.2°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.Consider that heat index readings are for situations in the shade and light wind. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', determines the feeling of heat when you account for the relative humidity. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
In Sejeli, the average relative humidity in December is 67%.Rainfall
December is the month with the most rainfall. Rain falls for 19 days and accumulates 135mm (5.31") of precipitation.Daylight
With an average of 12h and 30min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 06:10 and sunset at 18:37. On the last day of December, sunrise is at 06:23 and sunset at 18:51 EAT.
Sunshine
The average sunshine in December is 8.9h.UV index
The months with the lowest UV index are January through September, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 6 during December leads to these advisories:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sejeli, Tanzania
- Average high temperature in December: 29.7°C
The warmest month (with the highest average high temperature) is October (31.8°C).
The months with the lowest average high temperature are May and June (27.2°C).
- Average low temperature in December: 19.2°C
The month with the highest average low temperature is November (19.3°C).
The coldest month (with the lowest average low temperature) is July (13.9°C).
Average pressure in December
Sejeli, Tanzania
- Average pressure in December: 1012mbar
The month with the highest atmospheric pressure is July (1017.9mbar).
The month with the lowest atmospheric pressure is November (1011.9mbar).
Average wind speed in December
Sejeli, Tanzania
- Average wind speed in December: 7.1km/h
The windiest month (with the highest average wind speed) is October (12.1km/h).
The calmest month (with the lowest average wind speed) is January (5.3km/h).
Average humidity in December
Sejeli, Tanzania
- Average humidity in December: 67%
The months with the highest relative humidity are March and April (80%).
The month with the lowest relative humidity is October (51%).
Average rainfall in December
Sejeli, Tanzania
- Average rainfall in December: 135mm
The wettest month (with the highest rainfall) is December (135mm).
The driest months (with the least rainfall) are June, July, August and September (0mm).
Average rainfall days in December
Sejeli, Tanzania
- Average rainfall days in December: 19 days
The month with the highest number of rainy days is March (21.3 days).
The month with the least rainy days is August (0.2 days).
Average daylight in December /
Average sunshine in December
Sejeli, Tanzania
- Average daylight in December: 12h and 30min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 48min).
- Average sunshine in December: 8h and 54min
The months with the most sunshine are August and September (Average sunshine: 9h and 54min).
The month with the least sunshine is April (Average sunshine: 8h and 6min).
Average sunshine days in December
Sejeli, Tanzania
- Average sunshine days in December: 10.5 days
The months with the most sunshine days are July and August (30.5 days).
The month with the least sunshine days is March (8.3 days).
Average UV index in December
Sejeli, Tanzania
- Average UV index in December: 6
The month with the highest UV index is October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, November and December (UV index 6).
Average cloud cover in December
Sejeli, Tanzania
- Average cloud cover in December: 33
The month with the most cloud cover is April (Cloud cover 49).
The month with the least cloud cover is September (Cloud cover 14).
Average visibility in December
Sejeli, Tanzania
- Average visibility in December: 10km
The months with the highest visibility are June, July, August, September, October, November and December (10km).
The months with the lowest visibility are February, March and April (8km).





