July weather forecast
Rock River, Jamaica

englishespañol中文
Share

Weather in July

July, like June, is another hot summer month in Rock River, Jamaica, with an average temperature varying between 31°C (87.8°F) and 23.3°C (73.9°F).

Temperature

Rock River, Jamaica, in July witnesses an average high-temperature of a still tropical 31°C (87.8°F), indicating a slight variation from June's 30.3°C (86.5°F). July witnesses an average low-temperature hovering around a moderately hot 23.3°C (73.9°F).

Heat index

The heat index for July is calculated to be an extremely hot 40°C (104°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', comes about by integrating the temperature readings with the humidity levels. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

July is the least humid month, with an average relative humidity of 78%.

Rainfall

In Rock River, during July, the rain falls for 20.6 days and regularly aggregates up to 80mm (3.15") of precipitation. In Rock River, during the entire year, the rain falls for 279.6 days and collects up to 947mm (37.28") of precipitation.

Daylight

The average length of the day in July in Rock River, Jamaica, is 13h and 5min.
On the first day of July, sunrise is at 05:37 and sunset at 18:48. On the last day of the month, sunrise is at 05:47 and sunset at 18:43 EST.

Sunshine

In July, the average sunshine in Rock River is 11h.

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index in Rock River. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In July, the maximum UV index of 7 translates into these guidelines:
Guard oneself from overexposure. Defence against sun injury is vital. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
[Resources]

Frequently asked questions

Is it hot in Rock River during July?

The average high-temperature, in July, in Rock River, is 31°C (87.8°F), while the average low-temperature is 23.3°C (73.9°F). In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is calculated to be 40°C (104°F).

What is the least humid month in Rock River?

With an average relative humidity of 78%, July is the least humid month in Rock River.

What is the average humidity in July in Rock River?

The average relative humidity in July in Rock River, Jamaica, is 78%.

How much does it rain in Rock River in July?

In Rock River, in July, it is raining for 20.6 days, with typically 80mm (3.15") of accumulated precipitation.

What is the average length of the day in July in Rock River?

The average day length in July is 13h and 5min.

What time are sunrise and sunset in July in Rock River?

On the first day of July in Rock River, Jamaica, sunrise is at 05:37 and sunset at 18:48. On the last day of the month, sunrise is at 05:47 and sunset at 18:43 EST.

How long on average sun shines in July in Rock River?

The average sunshine duration in July in Rock River is 11h.

What are the months with the highest UV index in Rock River?

May through August, with an average maximum UV index of 7, are months with the highest UV index in Rock River, Jamaica.

What is the UV index reading in July in Rock River?

The average daily maximum UV index in July in Rock River is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Rock River, Jamaica

Average temperature in July - Rock River, Jamaica
  • Average high temperature in July: 31°C

The warmest month (with the highest average high temperature) is August (31.1°C).
The month with the lowest average high temperature is January (27.8°C).

  • Average low temperature in July: 23.3°C

The months with the highest average low temperature are July and August (23.3°C).
The coldest months (with the lowest average low temperature) are January and February (20°C).

[Resources]

Average pressure in July
Rock River, Jamaica

Average pressure in July - Rock River, Jamaica
  • Average pressure in July: 1014.4mbar

The month with the highest atmospheric pressure is January (1015.4mbar).
The month with the lowest atmospheric pressure is October (1011.4mbar).

[Resources]

Average wind speed in July
Rock River, Jamaica

Average wind speed in July - Rock River, Jamaica
  • Average wind speed in July: 9.7km/h

The windiest month (with the highest average wind speed) is June (10.3km/h).
The calmest month (with the lowest average wind speed) is November (6.9km/h).

[Resources]

Average humidity in July
Rock River, Jamaica

Average humidity in July - Rock River, Jamaica
  • Average humidity in July: 78%

The month with the highest relative humidity is October (83%).
The month with the lowest relative humidity is July (78%).

[Resources]

Average rainfall in July
Rock River, Jamaica

Average rainfall in July - Rock River, Jamaica
  • Average rainfall in July: 80mm

The wettest month (with the highest rainfall) is October (147mm).
The driest month (with the least rainfall) is January (33mm).

[Resources]

Average rainfall days in July
Rock River, Jamaica

Average rainfall days in July - Rock River, Jamaica
  • Average rainfall days in July: 20.6 days

The month with the highest number of rainy days is October (27.5 days).
The month with the least rainy days is June (20.1 days).

[Resources]

Average daylight in July /
Average sunshine in July
Rock River, Jamaica

Average daylight in July / Average sunshine in July - Rock River, Jamaica
  • Average daylight in July: 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 July: 11h and 0min

The month with the most sunshine is August (Average sunshine: 11h and 18min).
The months with the least sunshine are October and December (Average sunshine: 6h and 54min).

[Resources]

Average sunshine days in July
Rock River, Jamaica

Average sunshine days in July - Rock River, Jamaica
  • Average sunshine days in July: 7.5 days

The month with the most sunshine days is July (7.5 days).
The month with the least sunshine days is October (2.3 days).

[Resources]

Average UV index in July
Rock River, Jamaica

Average UV index in July - Rock River, Jamaica
  • Average UV index in July: 7

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

[Resources]

Average cloud cover in July
Rock River, Jamaica

Average cloud cover in July - Rock River, Jamaica
  • Average cloud cover in July: 29

The month with the most cloud cover is June (Cloud cover 36).
The months with the least cloud cover are March, July, August, September and December (Cloud cover 29).

[Resources]

Average visibility in July
Rock River, Jamaica

Average visibility in July - Rock River, Jamaica
  • Average visibility in July: 9km

The months with the highest visibility are February, March, April, May, June, July, August, September and November (9km).
The months with the lowest visibility are January, October and December (8km).

[Resources]

Rock River, Jamaica

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location