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Costa RicaThe weather in December in Fortuna
It's warm in December in Fortuna with an average temperature of 29°C. Temperatures this month range from a low of 28°C to a high of 30°C. At night, you can expect temperatures between 20°C and 21°C.
Looking for great weather? December is a good time to be in Fortuna. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Fortuna, Costa Rica. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 35°C in 2023, Fortuna reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 20°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 15°C to a highest value of 26°C.
Rainfall amount
In December, there is an average of 28 mm of precipitation, spread over 5 days. The wind speed is around 5 Bft, mostly coming from the East.
Daily weather in December for Fortuna
Click on any day in December to get detailed info about the usual weather on that day in Fortuna. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Fortuna | New York | |
|---|---|---|
| Average temperature | 29°C | 9°C |
| Max. temperature | 30°C | 12°C |
| Min. temperature | 20°C | -5°C |
| Total precipitation | 28 mm | 133 mm |
| Rainy days | 5 days | 17 days |
Start of December
The month of December starts in Fortuna with hot temps, averaging around 30°C during the day and nights around 21°C.
Mid December
By mid-December, daytime temps stay steady at around 30°C, with nights around 21°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of December
By the end of December, the average daytime temperature in Fortuna is around 30°C, while nighttime temps are about 21°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
Find affordable trips to Fortuna
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
The hurricane season in Fortuna runs from June to November.
Check out the climate of Fortuna for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in December in Fortuna, Costa Rica. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in Fortuna
Temperature in December in Fortuna over the years
Precipitation charts
These charts show the average amount of precipitation in December in Fortuna, Costa Rica. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in December in Fortuna
Total precipitation in December in Fortuna over the years
Daily UV index in December in Fortuna
This chart shows the average daily UV index in December in Fortuna, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in December in Fortuna
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Average weather in Fortuna by month
Click on a month below to see detailed weather info for Fortuna. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.