Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
June
Weather in June
Temperature
The arrival of June marks a slight shift to an average high-temperature of a still hot 30.8°C (87.4°F) from May's 30.3°C (86.5°F). During the nights in June, Castleton observes an average low-temperature of 23°C (73.4°F).Heat index
In June, the heat index is computed to be a scorching 40°C (104°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.Realize that the values for the heat index are set for shaded places and light winds. 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 a composite of temperature and humidity figures to convey how warm it feels. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.
Humidity
In Castleton, Jamaica, the average relative humidity in June is 79%.Rainfall
In Castleton, in June, during 20.5 rainfall days, 84mm (3.31") of precipitation is typically accumulated. In Castleton, during the entire year, the rain falls for 265.1 days and collects up to 806mm (31.73") of precipitation.Daylight
With an average of 13h and 12min of daylight, June has the longest days of the year.On the first day of the month, sunrise is at 05:30 and sunset at 18:39. On the last day of June, sunrise is at 05:34 and sunset at 18:47 EST.
Sunshine
In June, the average sunshine is 10.1h.UV index
May through August and October, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 7 in June transforms into this advice:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in June?
What is the average humidity in June?
How much does it rain in June?
When are the longest days?
How many hours of daylight does Castleton have in June?
What time are sunrise and sunset in June?
How many hours of sunshine does Castleton have in June?
What is the month with the highest UV index?
How high is the UV index in June?
Average temperature in June
Castleton, Jamaica
- Average high temperature in June: 30.8°C
The warmest months (with the highest average high temperature) are July and August (31.7°C).
The month with the lowest average high temperature is January (28.4°C).
- Average low temperature in June: 23°C
The month with the highest average low temperature is August (23.8°C).
The coldest month (with the lowest average low temperature) is January (20.5°C).
Average pressure in June
Castleton, Jamaica
- Average pressure in June: 1014.1mbar
The month with the highest atmospheric pressure is January (1015.5mbar).
The month with the lowest atmospheric pressure is October (1011.5mbar).
Average wind speed in June
Castleton, Jamaica
- Average wind speed in June: 9km/h
The windiest month (with the highest average wind speed) is June (9km/h).
The calmest month (with the lowest average wind speed) is November (6.6km/h).
Average humidity in June
Castleton, Jamaica
- Average humidity in June: 79%
The months with the highest relative humidity are October, November and December (81%).
The months with the lowest relative humidity are March, July and August (77%).
Average rainfall in June
Castleton, Jamaica
- Average rainfall in June: 84mm
The wettest month (with the highest rainfall) is October (123mm).
The driest month (with the least rainfall) is January (26mm).
Average rainfall days in June
Castleton, Jamaica
- Average rainfall days in June: 20.5 days
The month with the highest number of rainy days is October (26.5 days).
The month with the least rainy days is February (19.2 days).
Average daylight in June /
Average sunshine in June
Castleton, Jamaica
- Average daylight in June: 13h and 1min
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 6min).
- Average sunshine in June: 10h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in June
Castleton, Jamaica
- Average sunshine days in June: 3.5 days
The month with the most sunshine days is January (6 days).
The month with the least sunshine days is October (1.5 days).
Average UV index in June
Castleton, Jamaica
- Average UV index in June: 7
The months with the highest UV index are May, June, July, August and October (UV index 7).
The months with the lowest UV index are January, February, March, April, September, November and December (UV index 6).
Average cloud cover in June
Castleton, Jamaica
- Average cloud cover in June: 38
The month with the most cloud cover is June (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in June
Castleton, Jamaica
- Average visibility in June: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
