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
December
Weather in December
Temperature
Guanacaste indicates an average high-temperature of a still moderately hot 27°C (80.6°F) in December, showing minor variation from November's 27.1°C (80.8°F). An average low-temperature of 17.6°C (63.7°F) is observed during December nights in Guanacaste.Heat index
For December, the heat index is calculated to be a hot 30°C (86°F). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.Data suggests that the heat index is set for environments in shade and with a light wind. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
In Guanacaste, the average relative humidity in December is 79%.Rainfall
In Guanacaste, during December, the rain falls for 7.5 days and regularly aggregates up to 8mm (0.31") of precipitation. In Guanacaste, Nicaragua, during the entire year, the rain falls for 210.4 days and collects up to 1192mm (46.93") of precipitation.Daylight
December has the shortest days of the year in Guanacaste, Nicaragua, with an average of 11h and 24min of daylight.On the first day of December in Guanacaste, sunrise is at 05:51 and sunset at 17:17. On the last day of the month, sunrise is at 06:07 and sunset at 17:30 CST.
Sunshine
In Guanacaste, Nicaragua, the average sunshine in December is 8.1h.UV index
In December, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, an average UV index of 6 transforms into the following instructions:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Guanacaste in December?
What is the average humidity in December in Guanacaste?
How many days does it rain in December in Guanacaste?
What is the month with the shortest days in Guanacaste?
How many hours of daylight does Guanacaste have in December?
What time are sunrise and sunset in December in Guanacaste?
How long on average sun shines in December in Guanacaste?
What is the UV index intensity in December in Guanacaste?
Average temperature in December
Guanacaste, Nicaragua
- Average high temperature in December: 27°C
The warmest month (with the highest average high temperature) is April (32°C).
The month with the lowest average high temperature is October (26.7°C).
- Average low temperature in December: 17.6°C
The month with the highest average low temperature is May (21.3°C).
The coldest month (with the lowest average low temperature) is December (17.6°C).
Average pressure in December
Guanacaste, Nicaragua
- Average pressure in December: 1013.1mbar
The month with the highest atmospheric pressure is January (1013.8mbar).
The month with the lowest atmospheric pressure is October (1011.3mbar).
Average wind speed in December
Guanacaste, Nicaragua
- Average wind speed in December: 12.9km/h
The windiest month (with the highest average wind speed) is February (15km/h).
The calmest month (with the lowest average wind speed) is October (6.6km/h).
Average humidity in December
Guanacaste, Nicaragua
- Average humidity in December: 79%
The month with the highest relative humidity is October (90%).
The month with the lowest relative humidity is April (64%).
Average rainfall in December
Guanacaste, Nicaragua
- Average rainfall in December: 8mm
The wettest month (with the highest rainfall) is October (266mm).
The driest month (with the least rainfall) is January (4mm).
Average rainfall days in December
Guanacaste, Nicaragua
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is October (29.5 days).
The month with the least rainy days is January (5.9 days).
Average daylight in December /
Average sunshine in December
Guanacaste, Nicaragua
- 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: 8h and 1min
The month with the most sunshine is March (Average sunshine: 9h and 30min).
The month with the least sunshine is October (Average sunshine: 6h and 36min).
Average sunshine days in December
Guanacaste, Nicaragua
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is March (18.8 days).
The month with the least sunshine days is October (1 days).
Average UV index in December
Guanacaste, Nicaragua
- Average UV index in December: 6
The months with the highest UV index are March and April (UV index 7).
The months with the lowest UV index are May and August (UV index 5).
Average cloud cover in December
Guanacaste, Nicaragua
- Average cloud cover in December: 30
The month with the most cloud cover is October (Cloud cover 60).
The month with the least cloud cover is March (Cloud cover 23).
Average visibility in December
Guanacaste, Nicaragua
- Average visibility in December: 9km
The months with the highest visibility are March and April (10km).
The months with the lowest visibility are September and October (6km).
