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
Zancudo, Costa Rica, registers an average high-temperature of a still warm 28.6°C (83.5°F) with the arrival of December, showing minor deviation from the preceding month. December nights cool down to an average low-temperature of 20.8°C (69.4°F).Heat index
The heat index for December is calculated to be a tropical 34°C (93.2°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
Humidity
In December, the average relative humidity in Zancudo is 83%.Rainfall
In Zancudo, during December, the rain falls for 25.8 days and regularly aggregates up to 105mm (4.13") of precipitation. In Zancudo, during the entire year, the rain falls for 309.5 days and collects up to 2106mm (82.91") of precipitation.Daylight
With an average of 11h and 36min of daylight, December has the shortest days of the year in Zancudo.On the first day of December, sunrise is at 05:32 and sunset at 17:11. On the last day of the month, sunrise is at 05:46 and sunset at 17:25 CST.
Sunshine
The average sunshine in December is 9.2h.UV index
The months with the lowest UV index in Zancudo are January, February, June through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 6 during December translates into the following directions:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Zancudo in December?
What is the average humidity in December in Zancudo?
How much does it rain in Zancudo in December?
What is the month with the shortest days in Zancudo?
What is the average length of the day in December in Zancudo?
What time are sunrise and sunset in December in Zancudo?
How long on average sun shines in December in Zancudo?
When is the lowest UV index in Zancudo?
What is the UV index intensity in December in Zancudo?
Average temperature in December
Zancudo, 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
Zancudo, 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
Zancudo, 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
Zancudo, 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
Zancudo, 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
Zancudo, 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
Zancudo, 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
Zancudo, 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
Zancudo, 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
Zancudo, 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
Zancudo, 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).
Zancudo, Costa Rica
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