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
An average high-temperature of a still warm 28.6°C (83.5°F) marks December, exhibiting a close resemblance to the conditions in November. Coto Brus usually reports an average low-temperature of 20.8°C (69.4°F) during the month of December.Heat index
For most parts of December, the heat index is evaluated at a tropical 34°C (93.2°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', shows a temperature sensation when both heat and moisture conditions are combined. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humidity
The average relative humidity in December is 83%.Rainfall
In Coto Brus, during December, the rain falls for 25.8 days and regularly aggregates up to 105mm (4.13") of precipitation. Throughout the year, in Coto Brus, there are 309.5 rainfall days, and 2106mm (82.91") of precipitation is accumulated.Daylight
With an average of 11h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 05:32 and sunset at 17:10. On the last day of December, in Coto Brus, sunrise is at 05:47 and sunset at 17:24 CST.
Sunshine
In Coto Brus, Costa Rica, the average sunshine in December is 9.2h.UV index
January, February, June through December, with an average maximum UV index of 6, are months with the lowest UV index in Coto Brus. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 6 during December, leads to the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
How hot is December in Coto Brus?
What is the average humidity in December in Coto Brus?
How many days does it rain in December in Coto Brus?
What is the month with the shortest days in Coto Brus?
What is the average length of the day in December in Coto Brus?
What time are sunrise and sunset in December in Coto Brus?
How many hours of sunshine does Coto Brus have in December?
When is the lowest UV index in Coto Brus?
What is the UV index intensity in December in Coto Brus?
Average temperature in December
Coto Brus, Costa Rica
- Average high temperature in December: 28.6°C
The warmest month (with the highest average high temperature) is March (31.7°C).
The month with the lowest average high temperature is October (27.6°C).
- Average low temperature in December: 20.8°C
The month with the highest average low temperature is May (22.7°C).
The coldest month (with the lowest average low temperature) is January (20.5°C).
Average pressure in December
Coto Brus, Costa Rica
- Average pressure in December: 1011.1mbar
The month with the highest atmospheric pressure is January (1011.6mbar).
The months with the lowest atmospheric pressure are October and November (1010.8mbar).
Average wind speed in December
Coto Brus, Costa Rica
- Average wind speed in December: 4.8km/h
The windiest month (with the highest average wind speed) is March (6km/h).
The calmest months (with the lowest average wind speed) are July and August (4.5km/h).
Average humidity in December
Coto Brus, Costa Rica
- Average humidity in December: 83%
The months with the highest relative humidity are October and November (86%).
The month with the lowest relative humidity is March (72%).
Average rainfall in December
Coto Brus, Costa Rica
- Average rainfall in December: 105mm
The wettest month (with the highest rainfall) is October (286mm).
The driest month (with the least rainfall) is February (34mm).
Average rainfall days in December
Coto Brus, Costa Rica
- Average rainfall days in December: 25.8 days
The month with the highest number of rainy days is July (30.7 days).
The month with the least rainy days is February (14.3 days).
Average daylight in December /
Average sunshine in December
Coto Brus, Costa Rica
- Average daylight in December: 11h and 4min
The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in December: 9h and 1min
The month with the most sunshine is February (Average sunshine: 9h and 36min).
The month with the least sunshine is October (Average sunshine: 7h and 36min).
Average sunshine days in December
Coto Brus, Costa Rica
- Average sunshine days in December: 3.4 days
The month with the most sunshine days is January (9.1 days).
The month with the least sunshine days is August (0.1 days).
Average UV index in December
Coto Brus, Costa Rica
- Average UV index in December: 6
The months with the highest UV index are March, April and May (UV index 7).
The months with the lowest UV index are January, February, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in December
Coto Brus, Costa Rica
- Average cloud cover in December: 30
The month with the most cloud cover is October (Cloud cover 49).
The month with the least cloud cover is February (Cloud cover 19).
Average visibility in December
Coto Brus, Costa Rica
- Average visibility in December: 9km
The months with the highest visibility are January, February, March and April (10km).
The month with the lowest visibility is November (8km).
Coto Brus, Costa Rica
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