June weather forecastGuantanamo, Cuba
June
Weather in June
June's weather in Guantanamo maintains the summer momentum, although there is a slight decrease in rainfall by 35mm (1.38") compared to May. With the relative humidity remaining fairly constant at around 77%, the city continues to bask under the summer sun. The longest days of the year occur in June, with the daylight duration touching 13.3 hours. July carries forward this warm trend, displaying little variation in the key weather parameters. Hence, June is predominantly characterised by high humidity, extensive daylight, and a tropical climate.Temperature
As Guantanamo welcomes June, the average high-temperature stabilizes at a hot 30.8°C (87.4°F), showing little deviation from May's 29.9°C (85.8°F). In June, the recorded average low-temperature in Guantanamo is a moderately hot 23.5°C (74.3°F).Heat index
The heat index value during June is calculated to be a fiery hot 39°C (102.2°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.It is important to note that the heat index values are for shaded areas and light wind scenarios. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an aggregate value of air's warmth and moisture to show the human-felt temperature. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.
Humidity
In Guantanamo, the average relative humidity in June is 77%.Rainfall
In June, the rain falls for 19.7 days. Throughout June, 60mm (2.36") of precipitation is accumulated. Throughout the year, there are 209 rainfall days, and 646mm (25.43") of precipitation is accumulated.Daylight
June has the longest days of the year, with an average of 13h and 18min of daylight.On the first day of the month, sunrise is at 06:20 and sunset at 19:37. On the last day of June, in Guantanamo, sunrise is at 06:24 and sunset at 19:44 CDT.
Sunshine
In Guantanamo, Cuba, the average sunshine in June is 11.1h.UV index
April through October, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In June, an average UV index of 7 transforms into the following instructions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Guantanamo, Cuba
- Average high temperature in June: 30.8°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 June: 23.5°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).
Average pressure in June
Guantanamo, Cuba
- Average pressure in June: 1014.9mbar
The month with the highest atmospheric pressure is January (1016.5mbar).
The month with the lowest atmospheric pressure is October (1012mbar).
Average wind speed in June
Guantanamo, Cuba
- Average wind speed in June: 7.7km/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).
Average humidity in June
Guantanamo, Cuba
- Average humidity in June: 77%
The month with the highest relative humidity is October (82%).
The month with the lowest relative humidity is March (75%).
Average rainfall in June
Guantanamo, Cuba
- Average rainfall in June: 60mm
The wettest months (with the highest rainfall) are May and September (95mm).
The driest month (with the least rainfall) is February (15mm).
Average rainfall days in June
Guantanamo, Cuba
- Average rainfall days in June: 19.7 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).
Average daylight in June /
Average sunshine in June
Guantanamo, Cuba
- Average daylight in June: 13h and 18min
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 June: 11h and 6min
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).
Average sunshine days in June
Guantanamo, Cuba
- Average sunshine days in June: 6.7 days
The month with the most sunshine days is December (14 days).
The month with the least sunshine days is May (4.6 days).
Average UV index in June
Guantanamo, Cuba
- Average UV index in June: 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).
Average cloud cover in June
Guantanamo, Cuba
- Average cloud cover in June: 25
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).
Average visibility in June
Guantanamo, Cuba
- Average visibility in June: 10km
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).








