December weather forecastMtwara, Tanzania
December
Weather in December
Mtwara, Tanzania, closes the year with December witnessing a significant rise in rainfall rates, receiving up to 153mm (6.02"). Corresponding to the increase in rainfall, the number of rainfall days also spikes up to 17, making it one of the rainiest months in the city. Although higher levels of rainfall are observed, coastal activities are not hindered due to the increase in sea temperature. The climatic pattern of this month forecasts a slightly drier beginning to the next year.Temperature
January through April, October through December are characterised by peak temperatures, with an average high of 31°C (87.8°F).Rainfall
In December, the rain falls for 17 days. Throughout December, 153mm (6.02") of precipitation is accumulated. In Mtwara, during the entire year, the rain falls for 128 days and collects up to 1102mm (43.39") of precipitation.Sea temperature
In December, the average sea temperature in Mtwara is 28.8°C (83.8°F).Note: Between 25°C (77°F) and 29°C (84.2°F), water temperature is typically considered very warm and pleasurable by everyone. Water activities at these temperatures are enjoyable for extended periods without discomfort.
Daylight
With an average of 12h and 42min of daylight, December has the longest days of the year.On the first day of December, sunrise is at 05:47 and sunset at 18:28. On the last day of the month, sunrise is at 06:00 and sunset at 18:44 EAT.
Sunshine
In December, the average sunshine in Mtwara, Tanzania, is 8h.UV index
January through April, September through December, with an average maximum UV index of 12, are months with the highest UV index. A UV Index of 11, and more, symbolizes an ultimate health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 12 in December interprets into the following advice:
Carry out every crucial safety measure. People with fair skin may sustain burns in fewer than 5 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Post an outdoor workout or swimming, a broad-spectrum SPF 30+ sunscreen should be applied generously and frequently. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mtwara, Tanzania
- Average high temperature in December: 31°C
The warmest months (with the highest average high temperature) are January, February, March, April, October, November and December (31°C).
The month with the lowest average high temperature is July (29°C).
- Average low temperature in December: 23°C
The months with the highest average low temperature are January and February (24°C).
The coldest months (with the lowest average low temperature) are July, August and September (19°C).
Average rainfall in December
Mtwara, Tanzania
- Average rainfall in December: 153mm
The wettest month (with the highest rainfall) is January (199mm).
The driest month (with the least rainfall) is August (11mm).
Average rainfall days in December
Mtwara, Tanzania
- Average rainfall days in December: 17 days
The month with the highest number of rainy days is March (20 days).
The months with the least rainy days are June, August and September (4 days).
Average sea temperature in December
Mtwara, Tanzania
- Average sea temperature in December: 28.8°C
The best month for swimming (with the highest average sea temperature) is March (29.7°C).
The coldest month (with the lowest average sea temperature) is August (25.7°C).
Average daylight in December /
Average sunshine in December
Mtwara, Tanzania
- Average daylight in December: 12h and 42min
The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 30min).
- Average sunshine in December: 8h
The month with the most sunshine is October (Average sunshine: 10h).
The month with the least sunshine is March (Average sunshine: 6h).
Average UV index in December
Mtwara, Tanzania
- Average UV index in December: 12
The months with the highest UV index are January, February, March, April, September, October, November and December (UV index 12).
The months with the lowest UV index are June and July (UV index 9).





