May weather forecastPinar del Río, Cuba

May
Weather in May
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Pinar del Río, Cuba
- Average high temperature in May: 30.7°C
The warmest month (with the highest average high temperature) is July (32.1°C).
The month with the lowest average high temperature is January (25.3°C).
- Average low temperature in May: 22.9°C
The month with the highest average low temperature is August (24.7°C).
The coldest month (with the lowest average low temperature) is January (18.5°C).
Average pressure in May
Pinar del Río, Cuba
- Average pressure in May: 1014.3mbar
The month with the highest atmospheric pressure is January (1018mbar).
The month with the lowest atmospheric pressure is October (1012.8mbar).
Average wind speed in May
Pinar del Río, Cuba
- Average wind speed in May: 9.7km/h
The windiest months (with the highest average wind speed) are January and March (11.2km/h).
The calmest month (with the lowest average wind speed) is July (7.6km/h).
Average humidity in May
Pinar del Río, Cuba
- Average humidity in May: 75%
The months with the highest relative humidity are October and December (81%).
The month with the lowest relative humidity is April (73%).
Average rainfall in May
Pinar del Río, Cuba
- Average rainfall in May: 90mm
The wettest month (with the highest rainfall) is August (134mm).
The driest month (with the least rainfall) is March (17mm).
Average rainfall days in May
Pinar del Río, Cuba
- Average rainfall days in May: 21.1 days
The month with the highest number of rainy days is September (25.9 days).
The month with the least rainy days is March (9.6 days).
Average daylight in May /
Average sunshine in May
Pinar del Río, Cuba
- Average daylight in May: 13h and 12min
The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in May: 10h and 24min
The months with the most sunshine are May and June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in May
Pinar del Río, Cuba
- Average sunshine days in May: 8.1 days
The month with the most sunshine days is March (18.2 days).
The month with the least sunshine days is September (2.7 days).
Average UV index in May
Pinar del Río, Cuba
- Average UV index in May: 7
The months with the highest UV index are April, May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 5).
Average cloud cover in May
Pinar del Río, Cuba
- Average cloud cover in May: 27
The month with the most cloud cover is January (Cloud cover 33).
The months with the least cloud cover are March and April (Cloud cover 23).
Average visibility in May
Pinar del Río, Cuba
- Average visibility in May: 10km
The months with the highest visibility are March, April, May, June and July (10km).
The months with the lowest visibility are January, February, August, September, October, November and December (9km).





