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
Weather in December
Temperature
December welcomes an average high-temperature of a still warm 27.1°C (80.8°F), not much different from the preceding month. Harris's nocturnal readings in December exhibit minimal variation from the daytime temperatures, averaging at a still moderately hot 25.9°C (78.6°F).Heat index
December's mean heat index is estimated at a hot 30°C (86°F). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.Understanding the heat index involves considering values for shaded locales with light wind. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
In Harris, the average relative humidity in December is 76%.Rainfall
In Harris, Montserrat, in December, it is raining for 24.4 days, with typically 56mm (2.2") of accumulated precipitation. Throughout the year, in Harris, there are 266.4 rainfall days, and 724mm (28.5") of precipitation is accumulated.Daylight
With an average of 11h and 12min of daylight, December has the shortest days of the year.On the first day of December in Harris, sunrise is at 06:21 and sunset at 17:33. On the last day of the month, sunrise is at 06:37 and sunset at 17:46 AST.
Sunshine
November and December, with an average of 6.7h of sunshine, are months with the least sunshine.UV index
The months with the highest UV index in Harris are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Harris, Montserrat, are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 7 in December suggests the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 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. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
What are the temperatures in Harris in December?
What is the average humidity in December in Harris?
How much does it rain in Harris in December?
What is the month with the shortest days in Harris?
What is the average length of the day in December in Harris?
What time are sunrise and sunset in December in Harris?
What is the month with the least sunshine in Harris?
How many hours of sunshine does Harris have in December?
When is the highest UV index in Harris?
When is the lowest UV index in Harris?
What is the UV index intensity in December in Harris?
Average temperature in December
Harris, Montserrat
- Average high temperature in December: 27.1°C
The warmest month (with the highest average high temperature) is September (28.9°C).
The month with the lowest average high temperature is March (26.1°C).
- Average low temperature in December: 25.9°C
The month with the highest average low temperature is September (27.8°C).
The coldest month (with the lowest average low temperature) is February (24.9°C).
Average pressure in December
Harris, Montserrat
- Average pressure in December: 1014.7mbar
The months with the highest atmospheric pressure are January and June (1016mbar).
The months with the lowest atmospheric pressure are October and November (1012.4mbar).
Average wind speed in December
Harris, Montserrat
- Average wind speed in December: 24.9km/h
The windiest month (with the highest average wind speed) is July (27km/h).
The calmest month (with the lowest average wind speed) is October (19.8km/h).
Average humidity in December
Harris, Montserrat
- Average humidity in December: 76%
The months with the highest relative humidity are May, July and August (78%).
The months with the lowest relative humidity are January, February and March (75%).
Average rainfall in December
Harris, Montserrat
- Average rainfall in December: 56mm
The wettest month (with the highest rainfall) is October (101mm).
The driest months (with the least rainfall) are February and March (27mm).
Average rainfall days in December
Harris, Montserrat
- Average rainfall days in December: 24.4 days
The month with the highest number of rainy days is December (24.4 days).
The month with the least rainy days is March (18.7 days).
Average daylight in December /
Average sunshine in December
Harris, Montserrat
- Average daylight in December: 11h and 1min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in December: 6h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are November and December (Average sunshine: 6h and 42min).
Average sunshine days in December
Harris, Montserrat
- Average sunshine days in December: 2.8 days
The month with the most sunshine days is March (5.9 days).
The month with the least sunshine days is July (1.8 days).
Average UV index in December
Harris, Montserrat
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in December
Harris, Montserrat
- Average cloud cover in December: 37
The months with the most cloud cover are June and July (Cloud cover 40).
The month with the least cloud cover is February (Cloud cover 31).
Average visibility in December
Harris, Montserrat
- 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).
Harris, Montserrat
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