January weather forecast
San Luis, Cuba

January in San Luis, Cuba presents the city’s residents with an evident increase in daylight hours from the previous month, lasting for 11.1 hours daily on average. Largely clear skies complement this increase, with mere 27% cloud coverage. The humidity is relatively high, at 80%, indicating moist weather. Amid these conditions, rainfall is quite significant, receiving 23mm (0.91") throughout the month. January also debuts the year with the lowest wind speed, characterized by an average of 7.4km/h (4.6mph) and gusts reaching a maximum of 11.2km/h (7mph).

Temperature

In San Luis, January is the coldest month, with temperatures averaging a high of 27.8°C (82°F) and a low of 19.3°C (66.7°F).

Heat index

The heat index in January is evaluated at a tropical 32°C (89.6°F). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.
The metrics for the heat index are tailored for both shady environments and light winds. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a value derived by merging air temperature with the humidity to convey how the climate feels. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular importance for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.

Humidity

In January, the average relative humidity in San Luis is 80%.

Rainfall

In San Luis, during January, the rain falls for 12.9 days and regularly aggregates up to 23mm (0.91") of precipitation. Throughout the year, in San Luis, there are 242.5 rainfall days, and 898mm (35.35") of precipitation is accumulated.

Daylight

In San Luis, the average length of the day in January is 11h and 4min.
On the first day of January in San Luis, sunrise is at 06:38 and sunset at 17:34. On the last day of the month, sunrise is at 06:39 and sunset at 17:54 CST.

Sunshine

The average sunshine in January in San Luis is 7h.

UV index

January through April, October through December, with an average maximum UV index of 6, are months with the lowest UV index in San Luis, Cuba. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: In January, a daily UV index of 6 turns into the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.