December weather forecastLassance, Brazil
December
Weather in December
December, the first month of the summer in Lassance, is also a moderately hot month, with an average temperature fluctuating between 28.5°C (83.3°F) and 20°C (68°F).Temperature
The onset of December marks an average high-temperature of a still moderately hot 28.5°C (83.3°F), hardly differing from November's 28.8°C (83.8°F). Lassance records an average nighttime low-temperature of 20°C (68°F) throughout December.Heat index
The heat index value for December is evaluated at a hot 34°C (93.2°F). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.One should consider that heat index numbers are for shaded settings and light wind. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is achieved by amalgamating air temperature with the relative humidity readings. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Humidity
In Lassance, the average relative humidity in December is 82%.Rainfall
December is the month with the most rainfall in Lassance. Rain falls for 26.7 days and accumulates 195mm (7.68") of precipitation.Daylight
December has the longest days of the year, with an average of 13h and 12min of daylight.On the first day of the month, sunrise is at 05:13 and sunset at 18:21. On the last day of December, in Lassance, sunrise is at 05:26 and sunset at 18:37 -03.
Sunshine
The month with the least sunshine is December, with an average of 7.6h of sunshine.UV index
January through August, October through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 6 during December, leads to the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lassance, Brazil
- Average high temperature in December: 28.5°C
The warmest month (with the highest average high temperature) is September (32.5°C).
The months with the lowest average high temperature are May and June (27°C).
- Average low temperature in December: 20°C
The month with the highest average low temperature is October (20.6°C).
The coldest month (with the lowest average low temperature) is July (15°C).
Average pressure in December
Lassance, Brazil
- Average pressure in December: 1011.8mbar
The month with the highest atmospheric pressure is July (1019mbar).
The months with the lowest atmospheric pressure are November and December (1011.8mbar).
Average wind speed in December
Lassance, Brazil
- Average wind speed in December: 7.1km/h
The windiest month (with the highest average wind speed) is September (9.6km/h).
The calmest month (with the lowest average wind speed) is March (6.1km/h).
Average humidity in December
Lassance, Brazil
- Average humidity in December: 82%
The month with the highest relative humidity is March (84%).
The month with the lowest relative humidity is September (48%).
Average rainfall in December
Lassance, Brazil
- Average rainfall in December: 195mm
The wettest month (with the highest rainfall) is December (195mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in December
Lassance, Brazil
- Average rainfall days in December: 26.7 days
The month with the highest number of rainy days is December (26.7 days).
The month with the least rainy days is July (1.5 days).
Average daylight in December /
Average sunshine in December
Lassance, Brazil
- Average daylight in December: 13h and 12min
The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 6min).
- Average sunshine in December: 7h and 36min
The month with the most sunshine is September (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 7h and 36min).
Average sunshine days in December
Lassance, Brazil
- Average sunshine days in December: 3.2 days
The month with the most sunshine days is July (28.9 days).
The month with the least sunshine days is December (3.2 days).
Average UV index in December
Lassance, Brazil
- Average UV index in December: 6
The month with the highest UV index is September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 6).
Average cloud cover in December
Lassance, Brazil
- Average cloud cover in December: 49
The months with the most cloud cover are March and December (Cloud cover 49).
The months with the least cloud cover are August and September (Cloud cover 15).
Average visibility in December
Lassance, Brazil
- Average visibility in December: 8km
The months with the highest visibility are July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May and December (8km).
