May weather forecast
Pinar del Río, Cuba

May heralds the start of the summer season in Pinar del Río with higher temperatures and increased rainfall. It is characterized by an average maximum temperature of 30.7°C (87.3°F) and a whopping rainfall volume of 90mm (3.54"), signifying the onset of the rainy season. The city tends to experience more overcast days as the cloud cover increases, precipitating higher humidity levels. Despite these changes, daylight hours remain extended, ensuring that May, while wetter, still allows for the exploration of Pinar del Río's delights. This month truly signifies a climatic shift as temperatures rise and rainfall increases considerably.

Temperature

May's arrival brings an average high-temperature of a still tropical 30.7°C (87.3°F), demonstrating subtle variation from the preceding month. Pinar del Río witnesses a consistent average low-temperature of 22.9°C (73.2°F) throughout May.

Heat index

The heat index for May is calculated to be a sweltering 38°C (100.4°F). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. 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 'real feel', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

The average relative humidity in May is 75%.

Rainfall

In May, the rain falls for 21.1 days. Throughout May, 90mm (3.54") of precipitation is accumulated. In Pinar del Río, during the entire year, the rain falls for 211.9 days and collects up to 823mm (32.4") of precipitation.

Daylight

In May, the average length of the day is 13h and 13min.
On the first day of May in Pinar del Río, sunrise is at 07:01 and sunset at 20:01. On the last day of the month, sunrise is at 06:50 and sunset at 20:15 CDT.

Sunshine

May and June, with an average of 10.4h of sunshine, are months with the most sunshine in Pinar del Río.

UV index

April through September, with an average maximum UV index of 7, are months with the highest UV index in Pinar del Río. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In May, an average UV index of 7 transforms into the following instructions:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.