July weather forecast
Lancaster, Guyana

July, like June, is another tropical summer month in Lancaster, Guyana, with an average temperature varying between 21.9°C (71.4°F) and 31°C (87.8°F).

Temperature

With the onset of July, a modest change to a still tropical 31°C (87.8°F) from June's 30.5°C (86.9°F) is noted in high-temperature. In Lancaster, an average low-temperature of 21.9°C (71.4°F) is recorded during July nights.

Heat index

The heat index value during July is calculated to be a blistering 43°C (109.4°F). Stay wary: Heat exhaustion and heat cramps are possible. Heatstroke can ensue from extended effort.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are particularly meaningful for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

June and July, with an average relative humidity of 87%, are the most humid months in Lancaster.

Rainfall

In Lancaster, Guyana, during July, the rain falls for 28.4 days and regularly aggregates up to 153mm (6.02") of precipitation. In Lancaster, during the entire year, the rain falls for 297.5 days and collects up to 1129mm (44.45") of precipitation.

Daylight

In July, the average length of the day in Lancaster is 12h and 25min.
On the first day of July in Lancaster, sunrise is at 05:43 and sunset at 18:10. On the last day of the month, sunrise is at 05:48 and sunset at 18:10 -04.

Sunshine

In Lancaster, the average sunshine in July is 9.1h.

UV index

The months with the highest UV index in Lancaster are June through November, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: A maximum daily UV index of 7 during July morphs into the following directions:
Shield from overexposure. Defense against sun-related harm is required. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.