July weather forecastIssano, Guyana
July
Weather in July
July, like June, in Issano, Guyana, is a moderately hot summer month, with an average temperature ranging between max 27.8°C (82°F) and min 18.1°C (64.6°F).Temperature
As July takes its course, Issano's average high-temperature registers at a still moderately hot 27.8°C (82°F), closely aligning with the preceding month. In Issano, the average nighttime temperature during July is a refreshing 18.1°C (64.6°F).Heat index
In July, the heat index is estimated at a hot 33°C (91.4°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.In terms of the heat index, values are set with light wind and shade conditions in mind. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
June and July, with an average relative humidity of 89%, are the most humid months.Rainfall
The month with the most rainfall is July, when the rain falls for 30.3 days and typically aggregates up to 237mm (9.33") of precipitation.Daylight
The average length of the day in July in Issano, Guyana, is 12h and 25min.On the first day of July, sunrise is at 05:48 and sunset at 18:15. On the last day of the month, sunrise is at 05:52 and sunset at 18:15 -04.
Sunshine
In July, the average sunshine is 7.7h.UV index
March through November, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 6 during July leads to these advisories:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Issano, Guyana
- Average high temperature in July: 27.8°C
The warmest month (with the highest average high temperature) is October (29.7°C).
The months with the lowest average high temperature are February, June and December (27.3°C).
- Average low temperature in July: 18.1°C
The month with the highest average low temperature is May (18.9°C).
The coldest month (with the lowest average low temperature) is January (17.8°C).
Average pressure in July
Issano, Guyana
- Average pressure in July: 1014.3mbar
The month with the highest atmospheric pressure is June (1014.4mbar).
The month with the lowest atmospheric pressure is November (1011mbar).
Average wind speed in July
Issano, Guyana
- Average wind speed in July: 4km/h
The windiest month (with the highest average wind speed) is March (5.2km/h).
The calmest months (with the lowest average wind speed) are July, August, November and December (4km/h).
Average humidity in July
Issano, Guyana
- Average humidity in July: 89%
The months with the highest relative humidity are June and July (89%).
The months with the lowest relative humidity are March, April, September and October (83%).
Average rainfall in July
Issano, Guyana
- Average rainfall in July: 237mm
The wettest month (with the highest rainfall) is July (237mm).
The driest month (with the least rainfall) is March (38mm).
Average rainfall days in July
Issano, Guyana
- Average rainfall days in July: 30.3 days
The months with the highest number of rainy days are July and August (30.3 days).
The month with the least rainy days is March (21.8 days).
Average daylight in July /
Average sunshine in July
Issano, Guyana
- Average daylight in July: 12h and 24min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 48min).
- Average sunshine in July: 7h and 42min
The month with the most sunshine is September (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in July
Issano, Guyana
- Average sunshine days in July: 0.3 days
The month with the most sunshine days is March (6.6 days).
The month with the least sunshine days is July (0.3 days).
Average UV index in July
Issano, Guyana
- Average UV index in July: 6
The months with the highest UV index are March, April, May, June, July, August, September, October and November (UV index 6).
The months with the lowest UV index are January, February and December (UV index 5).
Average cloud cover in July
Issano, Guyana
- Average cloud cover in July: 67
The month with the most cloud cover is February (Cloud cover 76).
The month with the least cloud cover is September (Cloud cover 50).
Average visibility in July
Issano, Guyana
- Average visibility in July: 6km
The months with the highest visibility are March, August, September and October (7km).
The months with the lowest visibility are January, February, April, May, June, July, November and December (6km).





