May weather forecast
San Carlos, Cuba

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Weather in May

The last month of the spring, May, is another warm month in San Carlos, Cuba, with temperature in the range of an average high of 29.9°C (85.8°F) and an average low of 22.2°C (72°F).

Temperature

As San Carlos steps into May, the average high-temperature holds at a still warm 29.9°C (85.8°F), hinting at a minor fluctuation from the prior month. San Carlos experiences a steady low-temperature of 22.2°C (72°F) throughout May.

Heat index

The heat index value during May is calculated to be a sweltering 37°C (98.6°F). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild 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 'apparent temperature' or 'felt air temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
By perspiring, the human body can shed its excessive warmth since evaporated sweat cools it off. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

The average relative humidity in May is 78%.

Rainfall

The wettest months in San Carlos are May and September, with an average 95mm (3.74") of rainfall.

Daylight

The average length of the day in May is 13h and 6min.
On the first day of the month, sunrise is at 06:30 and sunset at 19:24. On the last day of May, sunrise is at 06:20 and sunset at 19:36 CDT.

Sunshine

In San Carlos, the average sunshine in May is 10.8h.

UV index

The months with the highest UV index are April through October, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In May, a regular UV index of 7 translates into these guidelines:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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Frequently asked questions

How hot is it in San Carlos in May?

The high-temperature, in May, in San Carlos, is 29.9°C (85.8°F), while the low-temperature averages to 22.2°C (72°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in May is calculated to be 37°C (98.6°F).

What is the average humidity in May in San Carlos?

In May, the average relative humidity in San Carlos is 78%.

What is the wettest month in San Carlos?

The months with the most rainfall in San Carlos, Cuba, are May and September, with an average 95mm (3.74") of precipitation.

How many days does it rain in May in San Carlos?

In May, in San Carlos, Cuba, the rain falls for 22.9 days. Throughout May, 95mm (3.74") of precipitation is accumulated.

What is the average length of the day in May in San Carlos?

The average day length in May in San Carlos is 13h and 6min.

When is the sunrise / sunset in May in San Carlos?

On the first day of May in San Carlos, Cuba, sunrise is at 06:30 and sunset at 19:24. On the last day of the month, sunrise is at 06:20 and sunset at 19:36 CDT.

How many hours of sunshine does San Carlos have in May?

In May, the average sunshine duration in San Carlos, Cuba, is 10.8h.

What are the months with the highest UV index in San Carlos?

April through October, with an average maximum UV index of 7, are months with the highest UV index in San Carlos, Cuba.

How high is the UV index in May in San Carlos?

In San Carlos, the average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.

Average temperature in May
San Carlos, Cuba

Average temperature in May - San Carlos, Cuba
  • Average high temperature in May: 29.9°C

The warmest month (with the highest average high temperature) is August (31.8°C).
The month with the lowest average high temperature is January (27.9°C).

  • Average low temperature in May: 22.2°C

The month with the highest average low temperature is August (24.1°C).
The coldest month (with the lowest average low temperature) is February (20°C).

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Average pressure in May
San Carlos, Cuba

Average pressure in May - San Carlos, Cuba
  • Average pressure in May: 1014.4mbar

The month with the highest atmospheric pressure is January (1016.5mbar).
The month with the lowest atmospheric pressure is October (1012mbar).

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Average wind speed in May
San Carlos, Cuba

Average wind speed in May - San Carlos, Cuba
  • Average wind speed in May: 7.9km/h

The windiest months (with the highest average wind speed) are February and December (9.8km/h).
The calmest months (with the lowest average wind speed) are September and October (7.4km/h).

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Average humidity in May
San Carlos, Cuba

Average humidity in May - San Carlos, Cuba
  • Average humidity in May: 78%

The month with the highest relative humidity is October (82%).
The month with the lowest relative humidity is March (75%).

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Average rainfall in May
San Carlos, Cuba

Average rainfall in May - San Carlos, Cuba
  • Average rainfall in May: 95mm

The wettest months (with the highest rainfall) are May and September (95mm).
The driest month (with the least rainfall) is February (15mm).

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Average rainfall days in May
San Carlos, Cuba

Average rainfall days in May - San Carlos, Cuba
  • Average rainfall days in May: 22.9 days

The month with the highest number of rainy days is October (23.9 days).
The month with the least rainy days is February (9 days).

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Average daylight in May /
Average sunshine in May
San Carlos, Cuba

Average daylight in May / Average sunshine in May - San Carlos, Cuba
  • Average daylight in May: 13h and 1min

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 10h and 54min).

  • Average sunshine in May: 10h and 5min

The month with the most sunshine is August (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 7h and 0min).

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Average sunshine days in May
San Carlos, Cuba

Average sunshine days in May - San Carlos, Cuba
  • Average sunshine days in May: 4.6 days

The month with the most sunshine days is December (14 days).
The month with the least sunshine days is May (4.6 days).

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Average UV index in May
San Carlos, Cuba

Average UV index in May - San Carlos, Cuba
  • Average UV index in May: 7

The months with the highest UV index are April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 6).

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Average cloud cover in May
San Carlos, Cuba

Average cloud cover in May - San Carlos, Cuba
  • Average cloud cover in May: 28

The months with the most cloud cover are May and October (Cloud cover 28).
The months with the least cloud cover are February and August (Cloud cover 21).

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Average visibility in May
San Carlos, Cuba

Average visibility in May - San Carlos, Cuba
  • Average visibility in May: 9km

The months with the highest visibility are January, February, March, April, June, July, August, September, November and December (10km).
The months with the lowest visibility are May and October (9km).

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San Carlos, Cuba

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