December weather forecastSion, India
December
Weather in December
The first month of the winter, December, is also a hot month in Sion, India, with temperature in the range of an average high of 30.5°C (86.9°F) and an average low of 22.5°C (72.5°F).Temperature
Sion, India, marks the arrival of December with an average high-temperature of a still tropical 30.5°C (86.9°F), hardly different from November's 32.1°C (89.8°F). During December, Sion's temperature falls to a steady low-temperature average of 22.5°C (72.5°F).Heat index
Throughout December, the heat index is calculated to be a tropical 32°C (89.6°F). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.Take note of the fact that heat index values are based on shaded circumstances with light airflows. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', embodies the combination of air temperature and moisture content to illustrate perceived heat. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Humidity
In Sion, the average relative humidity in December is 53%.Rainfall
December is the last month it rains. During 1.5 rainfall days, in December, Sion aggregates 3mm (0.12") of precipitation. In Sion, during the entire year, the rain falls for 133.4 days and collects up to 1524mm (60") of precipitation.Daylight
The month with the shortest days is December, with an average of 11h and 0min of daylight.On the first day of December in Sion, sunrise is at 6:55 am and sunset at 5:59 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:11 pm IST.
Sunshine
In Sion, the average sunshine in December is 9.4h.UV index
In Sion, the average daily maximum UV index in December is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: In December, a daily maximum UV index of 7 leads to the following instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sion, India
- Average high temperature in December: 30.5°C
The warmest month (with the highest average high temperature) is April (33.2°C).
The month with the lowest average high temperature is August (28.3°C).
- Average low temperature in December: 22.5°C
The month with the highest average low temperature is June (27.4°C).
The coldest month (with the lowest average low temperature) is January (21.6°C).
Average pressure in December
Sion, India
- Average pressure in December: 1012.9mbar
The month with the highest atmospheric pressure is January (1013.8mbar).
The month with the lowest atmospheric pressure is July (1004.3mbar).
Average wind speed in December
Sion, India
- Average wind speed in December: 10.2km/h
The windiest month (with the highest average wind speed) is July (18.9km/h).
The calmest month (with the lowest average wind speed) is October (8.7km/h).
Average humidity in December
Sion, India
- Average humidity in December: 53%
The months with the highest relative humidity are July and August (84%).
The months with the lowest relative humidity are January and February (52%).
Average rainfall in December
Sion, India
- Average rainfall in December: 3mm
The wettest month (with the highest rainfall) is July (568mm).
The driest months (with the least rainfall) are January and April (0mm).
Average rainfall days in December
Sion, India
- Average rainfall days in December: 1.5 days
The month with the highest number of rainy days is July (30.4 days).
The month with the least rainy days is February (0.5 days).
Average daylight in December /
Average sunshine in December
Sion, India
- Average daylight in December: 11h and 0min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in December: 9h and 24min
The months with the most sunshine are January, February, March and April (Average sunshine: 9h and 54min).
The month with the least sunshine is July (Average sunshine: 5h and 0min).
Average sunshine days in December
Sion, India
- Average sunshine days in December: 29.1 days
The month with the most sunshine days is January (30.1 days).
The month with the least sunshine days is July (0.4 days).
Average UV index in December
Sion, India
- Average UV index in December: 7
The month with the highest UV index is May (UV index 8).
The months with the lowest UV index are June and July (UV index 6).
Average cloud cover in December
Sion, India
- Average cloud cover in December: 8
The month with the most cloud cover is July (Cloud cover 67).
The months with the least cloud cover are January and February (Cloud cover 4).
Average visibility in December
Sion, India
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, September, October, November and December (10km).
The months with the lowest visibility are June, July and August (9km).
