August weather forecastJoanna, Guyana
August
Weather in August
The last month of the summer, August, is a tropical month in Joanna, Guyana, with temperature in the range of an average low of 25.5°C (77.9°F) and an average high of 30.3°C (86.5°F).Temperature
Joanna measures an average high-temperature of a tropical 30.3°C (86.5°F) in August, nearly consistent with the preceding month. A minimal decline in temperature from daytime highs is anticipated throughout the August nights, averaging a warm 25.5°C (77.9°F).Heat index
For most parts of August, the heat index is computed to be a fiery hot 38°C (100.4°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.Know that the heat index computations account for shaded terrains and slight winds. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.
Humidity
In August, the average relative humidity is 78%.Rainfall
In August, the rain falls for 28 days. Throughout August, 229mm (9.02") of precipitation is accumulated. Throughout the year, there are 312.6 rainfall days, and 2298mm (90.47") of precipitation is accumulated.Daylight
The average length of the day in August is 12h and 19min.On the first day of the month, sunrise is at 05:43 and sunset at 18:06. On the last day of August, sunrise is at 05:42 and sunset at 17:56 -04.
Sunshine
In Joanna, the average sunshine in August is 8.8h.UV index
The months with the highest UV index are January, February, April, June through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 7 in August translates into these instructions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Joanna, Guyana
- Average high temperature in August: 30.3°C
The warmest month (with the highest average high temperature) is September (30.8°C).
The months with the lowest average high temperature are January and February (28°C).
- Average low temperature in August: 25.5°C
The months with the highest average low temperature are September and October (25.9°C).
The coldest months (with the lowest average low temperature) are January, February and July (24.8°C).
Average pressure in August
Joanna, Guyana
- Average pressure in August: 1012.2mbar
The month with the highest atmospheric pressure is June (1012.9mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).
Average wind speed in August
Joanna, Guyana
- Average wind speed in August: 11.9km/h
The windiest month (with the highest average wind speed) is March (16.7km/h).
The calmest month (with the lowest average wind speed) is July (11.3km/h).
Average humidity in August
Joanna, Guyana
- Average humidity in August: 78%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is September (76%).
Average rainfall in August
Joanna, Guyana
- Average rainfall in August: 229mm
The wettest month (with the highest rainfall) is June (314mm).
The driest month (with the least rainfall) is March (97mm).
Average rainfall days in August
Joanna, Guyana
- Average rainfall days in August: 28 days
The month with the highest number of rainy days is July (29.9 days).
The month with the least rainy days is October (23.5 days).
Average daylight in August /
Average sunshine in August
Joanna, Guyana
- Average daylight in August: 12h and 18min
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 August: 8h and 48min
The month with the most sunshine is September (Average sunshine: 9h and 18min).
The month with the least sunshine is April (Average sunshine: 7h and 0min).
Average sunshine days in August
Joanna, Guyana
- Average sunshine days in August: 1.5 days
The month with the most sunshine days is October (5 days).
The month with the least sunshine days is July (0.3 days).
Average UV index in August
Joanna, Guyana
- Average UV index in August: 7
The months with the highest UV index are January, February, April, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are March and May (UV index 6).
Average cloud cover in August
Joanna, Guyana
- Average cloud cover in August: 32
The months with the most cloud cover are February and April (Cloud cover 49).
The month with the least cloud cover is September (Cloud cover 24).
Average visibility in August
Joanna, Guyana
- Average visibility in August: 9km
The months with the highest visibility are January, February, March, April, September, October and December (10km).
The months with the lowest visibility are May, June, July, August and November (9km).
