December weather forecastCaldera, Panama

December

Weather in December

December, the first month of the winter in Caldera, is also a moderately hot month, with an average temperature varying between 18.2°C (64.8°F) and 26.3°C (79.3°F).

Temperature

The initiation of December sees an average high-temperature of a still moderately hot 26.3°C (79.3°F), showing minor variations from the previous month. Throughout December, the average low-temperature dips to a comfortable 18.2°C (64.8°F).

Humidity

In December, the average relative humidity is 78%.

Rainfall

In Caldera, in December, it is raining for 17.5 days, with typically 50mm (1.97") of accumulated precipitation. Throughout the year, in Caldera, there are 223.7 rainfall days, and 1306mm (51.42") of precipitation is accumulated.

Daylight

December has the shortest days of the year, with an average of 11h and 36min of daylight.
On the first day of December, sunrise is at 06:29 and sunset at 18:08. On the last day of the month, sunrise is at 06:43 and sunset at 18:21 EST.

Sunshine

The average sunshine in December is 9h.

UV index

The months with the highest UV index in Caldera are January through December, with an average maximum UV index of 6. January through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 6 in December interprets into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in December, in Caldera, is 26.3°C (79.3°F), while the low-temperature averages to 18.2°C (64.8°F). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is estimated at 30°C (86°F).

In December, the average relative humidity is 78%.

In December, the rain falls for 17.5 days. Throughout December, 50mm (1.97") of precipitation is accumulated.

The month with the shortest days is December, with an average of 11h and 36min of daylight.

In December, the average day length in Caldera, Panama, is 11h and 38min.

In December, on the first day of the month, sunrise is at 06:29 and sunset at 18:08. On the last day of the month, in Caldera, Panama, sunrise is at 06:43 and sunset at 18:21 EST.

The average sunshine duration in December in Caldera, Panama, is 9h.

The months with the highest UV index are January through December, with an average maximum UV index of 6.

January through December, with an average maximum UV index of 6, are months with the lowest UV index.

In Caldera, the average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

25.9°C

26.3°C

26.6°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

5.7km/h

7.9km/h

10km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

5.7

10.7

15.8

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Caldera, Panama

Average high temperature in December: 26.3°C

The warmest month (with the highest average high temperature) is April (28.8°C).
The month with the lowest average high temperature is October (25.7°C).

Average low temperature in December: 18.2°C

The months with the highest average low temperature are May and September (20.3°C).
The coldest month (with the lowest average low temperature) is January (17.8°C).

Average pressure in December
Caldera, Panama

Average pressure in December: 1011.2mbar

The month with the highest atmospheric pressure is January (1011.8mbar).
The months with the lowest atmospheric pressure are October and November (1010.7mbar).

Average wind speed in December
Caldera, Panama

Average wind speed in December: 7.6km/h

The windiest month (with the highest average wind speed) is February (10.1km/h).
The calmest month (with the lowest average wind speed) is September (3.6km/h).

Average humidity in December
Caldera, Panama

Average humidity in December: 78%

The month with the highest relative humidity is October (85%).
The month with the lowest relative humidity is March (72%).

Average rainfall in December
Caldera, Panama

Average rainfall in December: 50mm

The wettest month (with the highest rainfall) is May (253mm).
The driest months (with the least rainfall) are January and March (20mm).

Average rainfall days in December
Caldera, Panama

Average rainfall days in December: 17.5 days

The month with the highest number of rainy days is October (26 days).
The month with the least rainy days is January (11.3 days).

Average daylight in December /
Average sunshine in December
Caldera, Panama

Average daylight in December: 11h and 36min

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 0min

The months with the most sunshine are January and February (Average sunshine: 9h and 18min).
The month with the least sunshine is October (Average sunshine: 7h and 30min).

Average sunshine days in December
Caldera, Panama

Average sunshine days in December: 10.7 days

The month with the most sunshine days is January (15.8 days).
The month with the least sunshine days is October (4.5 days).

Average UV index in December
Caldera, Panama

Average UV index in December: 6

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).