June weather forecastDuncans, Jamaica
June
Weather in June
June, the first month of the summer in Duncans, is also a moderately hot month, with an average temperature ranging between min 26.2°C (79.2°F) and max 29.3°C (84.7°F).Temperature
Duncans sees the arrival of June with an average high-temperature of a still moderately hot 29.3°C (84.7°F), indicating a subtle variation from May. In Duncans, the June nights are characterized by an average low-temperature of 26.2°C (79.2°F), a minor dip from daytime readings.Heat index
The heat index for June is calculated to be a torrid 35°C (95°F). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.Realize that the values for the heat index are set for shaded places and light winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.
Humidity
June is the most humid month in Duncans, Jamaica, with an average relative humidity of 78%.Rainfall
In Duncans, during June, the rain falls for 16.6 days and regularly aggregates up to 76mm (2.99") of precipitation. In Duncans, during the entire year, the rain falls for 177.2 days and collects up to 687mm (27.05") of precipitation.Daylight
June has the longest days of the year, with an average of 13h and 12min of daylight.On the first day of June in Duncans, Jamaica, sunrise is at 05:32 and sunset at 18:43. On the last day of the month, sunrise is at 05:37 and sunset at 18:50 EST.
Sunshine
In Duncans, the average sunshine in June is 10.9h.UV index
The months with the highest UV index in Duncans are January, March through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 7 in June translates into this advice:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Duncans, Jamaica
- Average high temperature in June: 29.3°C
The warmest month (with the highest average high temperature) is August (29.7°C).
The month with the lowest average high temperature is January (26.8°C).
- Average low temperature in June: 26.2°C
The months with the highest average low temperature are July and August (26.8°C).
The coldest month (with the lowest average low temperature) is February (23.8°C).
Average pressure in June
Duncans, Jamaica
- Average pressure in June: 1014mbar
The month with the highest atmospheric pressure is January (1015.6mbar).
The month with the lowest atmospheric pressure is October (1011.4mbar).
Average wind speed in June
Duncans, Jamaica
- Average wind speed in June: 16.1km/h
The windiest month (with the highest average wind speed) is December (20km/h).
The calmest month (with the lowest average wind speed) is September (13km/h).
Average humidity in June
Duncans, Jamaica
- Average humidity in June: 78%
The month with the highest relative humidity is June (78%).
The month with the lowest relative humidity is March (75%).
Average rainfall in June
Duncans, Jamaica
- Average rainfall in June: 76mm
The wettest month (with the highest rainfall) is May (90mm).
The driest month (with the least rainfall) is February (19mm).
Average rainfall days in June
Duncans, Jamaica
- Average rainfall days in June: 16.6 days
The month with the highest number of rainy days is September (18.4 days).
The month with the least rainy days is February (10.6 days).
Average daylight in June /
Average sunshine in June
Duncans, Jamaica
- Average daylight in June: 13h and 12min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in June: 10h and 54min
The months with the most sunshine are July and August (Average sunshine: 11h and 30min).
The months with the least sunshine are November and December (Average sunshine: 6h and 36min).
Average sunshine days in June
Duncans, Jamaica
- Average sunshine days in June: 12.2 days
The month with the most sunshine days is December (18 days).
The month with the least sunshine days is September (9.8 days).
Average UV index in June
Duncans, Jamaica
- Average UV index in June: 7
The months with the highest UV index are January, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is February (UV index 6).
Average cloud cover in June
Duncans, Jamaica
- Average cloud cover in June: 26
The months with the most cloud cover are January, May and November (Cloud cover 28).
The month with the least cloud cover is July (Cloud cover 21).
Average visibility in June
Duncans, Jamaica
- Average visibility in June: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





