July weather forecastDevon, Jamaica
July
Weather in July
July, like June, in Devon, Jamaica, is a moderately hot summer month, with an average temperature ranging between max 29.5°C (85.1°F) and min 26°C (78.8°F).Temperature
At the start of July, Devon's average high-temperature reaches a still warm 29.5°C (85.1°F), subtly different from the preceding month. In July, Devon temperatures settle at a low of 26°C (78.8°F) during the nights, reflecting a minor change from daytime highs.Heat index
The heat index value for July is estimated at a torrid 36°C (96.8°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
The average relative humidity in July in Devon, Jamaica, is 78%.Rainfall
In Devon, during July, the rain falls for 15.8 days and regularly aggregates up to 53mm (2.09") of precipitation. In Devon, during the entire year, the rain falls for 220.4 days and collects up to 674mm (26.54") of precipitation.Snowfall
In Devon, snow does not fall in January through August, October through December.Daylight
In July, the average length of the day in Devon is 13h and 6min.On the first day of July in Devon, sunrise is at 05:38 and sunset at 18:50. On the last day of the month, sunrise is at 05:48 and sunset at 18:44 EST.
Sunshine
In July, the average sunshine is 11.2h.UV index
The months with the highest UV index in Devon are April through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 7 during July translates into these guidelines:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Devon, Jamaica
- Average high temperature in July: 29.5°C
The warmest month (with the highest average high temperature) is August (29.7°C).
The months with the lowest average high temperature are February and March (26.6°C).
- Average low temperature in July: 26°C
The month with the highest average low temperature is August (26.3°C).
The coldest month (with the lowest average low temperature) is March (23.1°C).
Average pressure in July
Devon, Jamaica
- Average pressure in July: 1014.7mbar
The month with the highest atmospheric pressure is January (1015.7mbar).
The month with the lowest atmospheric pressure is October (1011.6mbar).
Average wind speed in July
Devon, Jamaica
- Average wind speed in July: 17.2km/h
The windiest month (with the highest average wind speed) is June (17.9km/h).
The calmest month (with the lowest average wind speed) is September (13.1km/h).
Average humidity in July
Devon, Jamaica
- Average humidity in July: 78%
The months with the highest relative humidity are May, June, November and December (79%).
The month with the lowest relative humidity is March (77%).
Average rainfall in July
Devon, Jamaica
- Average rainfall in July: 53mm
The wettest month (with the highest rainfall) is September (99mm).
The driest month (with the least rainfall) is February (27mm).
Average rainfall days in July
Devon, Jamaica
- Average rainfall days in July: 15.8 days
The month with the highest number of rainy days is October (23.9 days).
The month with the least rainy days is February (15 days).
Average snowfall in July
Devon, Jamaica
- Average snowfall in July: 0mm
The month with the highest snowfall is September (1mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, October, November and December (0mm).
Average snowfall days in July
Devon, Jamaica
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight in July /
Average sunshine in July
Devon, Jamaica
- Average daylight in July: 13h and 6min
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 July: 11h and 12min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in July
Devon, Jamaica
- Average sunshine days in July: 6.4 days
The month with the most sunshine days is January (9.6 days).
The month with the least sunshine days is September (3.3 days).
Average UV index in July
Devon, Jamaica
- Average UV index in July: 7
The months with the highest UV index are April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February and March (UV index 6).
Average cloud cover in July
Devon, Jamaica
- Average cloud cover in July: 25
The months with the most cloud cover are November and December (Cloud cover 33).
The months with the least cloud cover are August and September (Cloud cover 24).
Average visibility in July
Devon, Jamaica
- Average visibility in July: 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).
