October weather forecastJoanna, Guyana
October
Weather in October
October, the same as September, in Joanna, Guyana, is another tropical autumn month, with temperature in the range of an average low of 25.9°C (78.6°F) and an average high of 30.7°C (87.3°F).Temperature
Joanna's weather in October, with an average high-temperature of a still tropical 30.7°C (87.3°F), subtly shifts from September's 30.8°C (87.4°F). Nights during October maintain a steady temperature, averaging at a warm 25.9°C (78.6°F).Heat index
October's average heat index is computed to be a fiery hot 39°C (102.2°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.Realize that the values for the heat index are set for shaded places and light winds. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
In Joanna, Guyana, the average relative humidity in October is 77%.Rainfall
In Joanna, in October, it is raining for 23.5 days, with typically 133mm (5.24") of accumulated precipitation. 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 October is 11h and 59min.On the first day of October, sunrise is at 05:36 and sunset at 17:40. On the last day of the month, sunrise is at 05:35 and sunset at 17:29 -04.
Sunshine
In October, the average sunshine in Joanna is 8.9h.UV index
January, February, April, June through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 7 in October translates into this advice:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Joanna, Guyana
- Average high temperature in October: 30.7°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 October: 25.9°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 October
Joanna, Guyana
- Average pressure in October: 1010.1mbar
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 October
Joanna, Guyana
- Average wind speed in October: 14.5km/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 October
Joanna, Guyana
- Average humidity in October: 77%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is September (76%).
Average rainfall in October
Joanna, Guyana
- Average rainfall in October: 133mm
The wettest month (with the highest rainfall) is June (314mm).
The driest month (with the least rainfall) is March (97mm).
Average rainfall days in October
Joanna, Guyana
- Average rainfall days in October: 23.5 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 October /
Average sunshine in October
Joanna, Guyana
- Average daylight in October: 12h and 0min
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 October: 8h and 54min
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 October
Joanna, Guyana
- Average sunshine days in October: 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 October
Joanna, Guyana
- Average UV index in October: 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 October
Joanna, Guyana
- Average cloud cover in October: 29
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 October
Joanna, Guyana
- Average visibility in October: 10km
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).





