December weather forecast
Clare Valley, Saint Vincent and the Grenadines

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Weather in December

December offers a slight cooling down in Clare Valley, marking the transition into the new year. The rainfall reduces further to 39mm (1.54") from November's 64mm (2.52"), signaling the end of the rainy season. Moreover, the temperatures show a subtle dip to 27.6°C (81.7°F) during the day and drop to 26.5°C (79.7°F) at night. As the rainfall declines, so does the humidity, creating a less moist environment. As the year wraps up, residents can expect similar weather patterns in the upcoming January.

Temperature

The commencement of December records an average high-temperature of a still moderately hot 27.6°C (81.7°F), barely varying from November's 28.2°C (82.8°F). Clare Valley notes an average temperature descent to a still moderately hot 26.5°C (79.7°F) in December, a small shift from its daytime peak.

Heat index

December's average heat index is estimated at a tropical 31°C (87.8°F). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gauges the sensation of temperature factoring in the air's moisture content. 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 extremely significant for babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.

Humidity

The average relative humidity in December in Clare Valley is 76%.

Rainfall

In Clare Valley, in December, during 19.5 rainfall days, 39mm (1.54") of precipitation is typically accumulated. Throughout the year, in Clare Valley, there are 238.6 rainfall days, and 627mm (24.69") of precipitation is accumulated.

Daylight

December has the shortest days of the year in Clare Valley, Saint Vincent and the Grenadines, with an average of 11h and 24min of daylight.
On the first day of December, sunrise is at 06:12 and sunset at 17:36. On the last day of the month, sunrise is at 06:27 and sunset at 17:49 AST.

Sunshine

The month with the least sunshine is December, with an average of 6.4h of sunshine.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: A daily maximum UV index of 7 in December translates into the following instructions:
Inhibit overexposure. Warding off sun damage is of utmost importance. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Updated: Feb 14, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the temperature in December in Clare Valley?

Clare Valley in December has an average high-temperature of 27.6°C (81.7°F) and an average low-temperature of 26.5°C (79.7°F). In December, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is estimated at 31°C (87.8°F).

What is the average humidity in December in Clare Valley?

In Clare Valley, the average relative humidity in December is 76%.

How many days does it rain in December in Clare Valley?

In Clare Valley, Saint Vincent and the Grenadines, during December, the rain falls for 19.5 days and regularly aggregates up to 39mm (1.54") of precipitation.

What is the month with the shortest days in Clare Valley?

December has the shortest days of the year in Clare Valley, with an average of 11h and 24min of daylight.

How many hours of daylight does Clare Valley have in December?

In Clare Valley, Saint Vincent and the Grenadines, the average day length in December is 11h and 22min.

When is the sunrise / sunset in December in Clare Valley?

In December, on the first day of the month, sunrise is at 06:12 and sunset at 17:36. On the last day of the month, in Clare Valley, sunrise is at 06:27 and sunset at 17:49 AST.

What is the month with the least sunshine in Clare Valley?

The month with the least sunshine in Clare Valley, Saint Vincent and the Grenadines, is December, with an average of 6.4h of sunshine.

How long on average sun shines in December in Clare Valley?

In Clare Valley, the average sunshine duration in December is 6.4h.

What is the month with the highest UV index in Clare Valley?

The months with the highest UV index in Clare Valley are January through December, with an average maximum UV index of 7.

When is the lowest UV index in Clare Valley?

The months with the lowest UV index are January through December, with an average maximum UV index of 7.

What is the UV index reading in December in Clare Valley?

In December, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.

Average temperature in December
Clare Valley, Saint Vincent and the Grenadines

Average temperature in December - Clare Valley, Saint Vincent and the Grenadines
  • Average high temperature in December: 27.6°C

The warmest month (with the highest average high temperature) is September (28.8°C).
The month with the lowest average high temperature is February (26.5°C).

  • Average low temperature in December: 26.5°C

The month with the highest average low temperature is September (28°C).
The coldest month (with the lowest average low temperature) is February (25.7°C).

Average pressure in December
Clare Valley, Saint Vincent and the Grenadines

Average pressure in December - Clare Valley, Saint Vincent and the Grenadines
  • Average pressure in December: 1012.9mbar

The month with the highest atmospheric pressure is June (1014.5mbar).
The month with the lowest atmospheric pressure is November (1010.9mbar).

Average wind speed in December
Clare Valley, Saint Vincent and the Grenadines

Average wind speed in December - Clare Valley, Saint Vincent and the Grenadines
  • Average wind speed in December: 27.8km/h

The windiest month (with the highest average wind speed) is February (29.3km/h).
The calmest month (with the lowest average wind speed) is September (20.6km/h).

Average humidity in December
Clare Valley, Saint Vincent and the Grenadines

Average humidity in December - Clare Valley, Saint Vincent and the Grenadines
  • Average humidity in December: 76%

The months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is February (75%).

Average rainfall in December
Clare Valley, Saint Vincent and the Grenadines

Average rainfall in December - Clare Valley, Saint Vincent and the Grenadines
  • Average rainfall in December: 39mm

The wettest month (with the highest rainfall) is August (94mm).
The driest month (with the least rainfall) is February (23mm).

Average rainfall days in December
Clare Valley, Saint Vincent and the Grenadines

Average rainfall days in December - Clare Valley, Saint Vincent and the Grenadines
  • Average rainfall days in December: 19.5 days

The month with the highest number of rainy days is August (24.3 days).
The month with the least rainy days is February (14.8 days).

Average daylight in December /
Average sunshine in December
Clare Valley, Saint Vincent and the Grenadines

Average daylight in December / Average sunshine in December - Clare Valley, Saint Vincent and the Grenadines
  • Average daylight in December: 11h and 2min

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).

  • Average sunshine in December: 6h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

Average sunshine days in December
Clare Valley, Saint Vincent and the Grenadines

Average sunshine days in December - Clare Valley, Saint Vincent and the Grenadines
  • Average sunshine days in December: 6.2 days

The months with the most sunshine days are February and March (9.3 days).
The month with the least sunshine days is July (1.7 days).

Average UV index in December
Clare Valley, Saint Vincent and the Grenadines

Average UV index in December - Clare Valley, Saint Vincent and the Grenadines
  • 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
Clare Valley, Saint Vincent and the Grenadines

Average cloud cover in December - Clare Valley, Saint Vincent and the Grenadines
  • Average cloud cover in December: 41

The month with the most cloud cover is July (Cloud cover 46).
The months with the least cloud cover are January and February (Cloud cover 37).

Average visibility in December
Clare Valley, Saint Vincent and the Grenadines

Average visibility in December - Clare Valley, Saint Vincent and the Grenadines
  • 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).

Clare Valley, Saint Vincent and the Grenadines

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