January weather forecast
Tolú, Colombia

January, like December, is another tropical winter month in Tolú, Colombia, with an average temperature varying between 24.5°C (76.1°F) and 33.4°C (92.1°F).

Temperature

The arrival of January coincides with an average high-temperature of a still tropical 33.4°C (92.1°F), indicating a minimal shift from December's 31.8°C (89.2°F). In Tolú, the expected average low-temperature for January is a warm 24.5°C (76.1°F).

Heat index

The heat index for January is estimated at an extremely hot 44°C (111.2°F). Mindful: Heat cramps and heat exhaustion are to be expected. Extended physical effort might result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', quantifies the warmth felt when relative humidity is considered. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

In Tolú, the average relative humidity in January is 69%.

Rainfall

In January, the rain falls for 8 days. Throughout January, 10mm (0.39") of precipitation is accumulated. Throughout the year, there are 234.4 rainfall days, and 904mm (35.59") of precipitation is accumulated.

Daylight

In January, the average length of the day in Tolú is 11h and 38min.
On the first day of the month, sunrise is at 06:18 and sunset at 17:53. On the last day of January, sunrise is at 06:24 and sunset at 18:07 -05.

Sunshine

The average sunshine in January is 8.5h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Tolú. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In January, the UV index of 7 transforms into the following advice:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.