December weather forecast
Santa Catalina, Panama

Santa Catalina welcomes December with a notable decrease in rainfall, with the volume falling to 121mm (4.76") over 20.6 days. A high-pressure trend is observed, with atmospheric pressure climbing to 1010.2mb. This high-pressure pattern manifests in the form of clear skies, which, combined with the reasonable visibility of 7km (4.3mi), make for pleasurable outdoor activities. The daylight hours gradually shorten, closing the circle started in January with similar daylight hours. Despite the milder weather, the sea temperature continues its everlasting steadiness.

Temperature

The advent of December in Santa Catalina signifies a minor shift to an average high-temperature of a hot 30.3°C (86.5°F), aligning closely with November. Santa Catalina cools down to an average low-temperature of 21.4°C (70.5°F) throughout the month of December.

Heat index

For most parts of December, the heat index is appraised at a blistering 40°C (104°F). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', joins air temperature with relative humidity to produce a temperature perception for humans. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

In December, the average relative humidity in Santa Catalina is 83%.

Rainfall

In Santa Catalina, during December, the rain falls for 20.6 days and regularly aggregates up to 121mm (4.76") of precipitation. In Santa Catalina, Panama, during the entire year, the rain falls for 269.3 days and collects up to 2235mm (87.99") of precipitation.

Sea temperature

January through December, with an average sea temperature of 28°C (82.4°F), are months with the warmest seawater in Santa Catalina. The months with the coldest seawater in Santa Catalina are January through December, with an average sea temperature of 28°C (82.4°F).
Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are ideal for all water activities, offering enjoyment without causing discomfort over extended periods.

Daylight

The month with the shortest days is December, with an average of 11h and 42min of daylight.
On the first day of the month, sunrise is at 06:23 and sunset at 18:05. On the last day of December, sunrise is at 06:37 and sunset at 18:19 EST.

Sunshine

In Santa Catalina, the average sunshine in December is 8.8h.

UV index

The months with the lowest UV index are July, August, October through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: In December, a regular UV index of 6 translates into these guidelines:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Stay vigilant! UV rays get a boost in intensity due to sand and water reflections.