Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
The average high-temperature for December is a still warm 27.6°C (81.7°F), closely aligning with the temperature of the preceding month. Valetta, in the month of December, notes an average low temperature of 24.7°C (76.5°F), indicating a small decrease from the daytime highs.Heat index
In December, the heat index is computed to be a hot 30°C (86°F). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.Factoring in the heat index, values are geared towards shaded areas with light breezes. 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 'feels like' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are particularly relevant to children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
In Valetta, the average relative humidity in December is 75%.Rainfall
In Valetta, during December, the rain falls for 18.3 days and regularly aggregates up to 72mm (2.83") of precipitation. In Valetta, during the entire year, the rain falls for 207.3 days and collects up to 645mm (25.39") of precipitation.Daylight
December has the longest days of the year in Valetta, with an average of 13h and 18min of daylight.On the first day of December, sunrise is at 05:20 and sunset at 18:36. On the last day of the month, sunrise is at 05:32 and sunset at 18:53 +04.
Sunshine
The average sunshine in December in Valetta is 10.1h.UV index
The months with the highest UV index in Valetta are January through March and December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 7 in December translates into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Valetta in December?
What is the average humidity in December in Valetta?
How many days does it rain in December in Valetta?
When are the longest days in Valetta?
What is the average length of the day in December in Valetta?
What time are sunrise and sunset in December in Valetta?
How many hours of sunshine does Valetta have in December?
When is the highest UV index in Valetta?
How high is the UV index in December in Valetta?
Average temperature in December
Valetta, Mauritius
- Average high temperature in December: 27.6°C
The warmest month (with the highest average high temperature) is February (28.5°C).
The months with the lowest average high temperature are July and August (23.3°C).
- Average low temperature in December: 24.7°C
The month with the highest average low temperature is February (25.6°C).
The coldest month (with the lowest average low temperature) is August (20.7°C).
Average pressure in December
Valetta, Mauritius
- Average pressure in December: 1013.3mbar
The month with the highest atmospheric pressure is August (1021mbar).
The month with the lowest atmospheric pressure is February (1011.1mbar).
Average wind speed in December
Valetta, Mauritius
- Average wind speed in December: 16.8km/h
The windiest month (with the highest average wind speed) is August (22.8km/h).
The calmest month (with the lowest average wind speed) is November (16.4km/h).
Average humidity in December
Valetta, Mauritius
- Average humidity in December: 75%
The months with the highest relative humidity are January, February and March (78%).
The months with the lowest relative humidity are August and September (73%).
Average rainfall in December
Valetta, Mauritius
- Average rainfall in December: 72mm
The wettest month (with the highest rainfall) is January (129mm).
The driest month (with the least rainfall) is September (12mm).
Average rainfall days in December
Valetta, Mauritius
- Average rainfall days in December: 18.3 days
The month with the highest number of rainy days is March (23.6 days).
The month with the least rainy days is October (12.2 days).
Average daylight in December /
Average sunshine in December
Valetta, Mauritius
- Average daylight in December: 13h and 2min
The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in December: 10h and 1min
The month with the most sunshine is October (Average sunshine: 10h and 12min).
The month with the least sunshine is July (Average sunshine: 6h and 12min).
Average sunshine days in December
Valetta, Mauritius
- Average sunshine days in December: 7.8 days
The month with the most sunshine days is October (11.8 days).
The month with the least sunshine days is February (3.2 days).
Average UV index in December
Valetta, Mauritius
- Average UV index in December: 7
The months with the highest UV index are January, February, March and December (UV index 7).
The months with the lowest UV index are April, May, June, July, August, September, October and November (UV index 6).
Average cloud cover in December
Valetta, Mauritius
- Average cloud cover in December: 41
The months with the most cloud cover are March and April (Cloud cover 45).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in December
Valetta, Mauritius
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
