Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
The arrival of October marks a slight shift to an average high-temperature of a still tropical 33.4°C (92.1°F) from September's 33.5°C (92.3°F). During October, Santa Isabel do Rio Negro's temperature falls to a steady low-temperature average of 23.3°C (73.9°F).Heat index
During October, the heat index is estimated at a life-threatening hot 49°C (120.2°F). Stay on guard: Heat exhaustion and heat cramps are predicted. Ongoing effort can cause heatstroke.Heat index data is primarily for areas with shade and subjected to light winds. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', measures the perceived warmth when incorporating the humidity present in the air. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.
Humidity
In October, the average relative humidity is 78%.Rainfall
In Santa Isabel do Rio Negro, in October, during 22.5 rainfall days, 107mm (4.21") of precipitation is typically accumulated. Throughout the year, there are 308 rainfall days, and 1836mm (72.28") of precipitation is accumulated.Daylight
The average length of the day in October is 12h and 7min.On the first day of the month, sunrise is at 06:05 and sunset at 18:12. On the last day of October, sunrise is at 05:59 and sunset at 18:07 -04.
Sunshine
In Santa Isabel do Rio Negro, the average sunshine in October is 7.9h.UV index
July through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 7 in October converts into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Santa Isabel do Rio Negro in October?
What is the average humidity in October?
How much does it rain in Santa Isabel do Rio Negro in October?
How many hours of daylight does Santa Isabel do Rio Negro have in October?
When is the sunrise / sunset in October?
How long on average sun shines in October?
When is the highest UV index?
What is the UV index reading in October?
Average temperature in October
Santa Isabel do Rio Negro, Brazil
- Average high temperature in October: 33.4°C
The warmest month (with the highest average high temperature) is September (33.5°C).
The month with the lowest average high temperature is May (29.7°C).
- Average low temperature in October: 23.3°C
The month with the highest average low temperature is October (23.3°C).
The coldest month (with the lowest average low temperature) is July (21.3°C).
Average pressure in October
Santa Isabel do Rio Negro, Brazil
- Average pressure in October: 1009.4mbar
The month with the highest atmospheric pressure is July (1013mbar).
The month with the lowest atmospheric pressure is November (1008.4mbar).
Average wind speed in October
Santa Isabel do Rio Negro, Brazil
- Average wind speed in October: 3.8km/h
The windiest month (with the highest average wind speed) is February (4.3km/h).
The calmest months (with the lowest average wind speed) are May and June (3.5km/h).
Average humidity in October
Santa Isabel do Rio Negro, Brazil
- Average humidity in October: 78%
The month with the highest relative humidity is May (91%).
The month with the lowest relative humidity is September (76%).
Average rainfall in October
Santa Isabel do Rio Negro, Brazil
- Average rainfall in October: 107mm
The wettest month (with the highest rainfall) is May (242mm).
The driest month (with the least rainfall) is September (75mm).
Average rainfall days in October
Santa Isabel do Rio Negro, Brazil
- Average rainfall days in October: 22.5 days
The month with the highest number of rainy days is May (29.5 days).
The month with the least rainy days is September (21.9 days).
Average daylight in October /
Average sunshine in October
Santa Isabel do Rio Negro, Brazil
- Average daylight in October: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 6min).
The month with the shortest days is June (Average daylight: 12h and 6min).
- Average sunshine in October: 7h and 5min
The month with the most sunshine is September (Average sunshine: 8h and 24min).
The month with the least sunshine is May (Average sunshine: 5h and 6min).
Average sunshine days in October
Santa Isabel do Rio Negro, Brazil
- Average sunshine days in October: 6.9 days
The month with the most sunshine days is August (7.3 days).
The months with the least sunshine days are May and June (1.1 days).
Average UV index in October
Santa Isabel do Rio Negro, Brazil
- Average UV index in October: 7
The months with the highest UV index are July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May and June (UV index 6).
Average cloud cover in October
Santa Isabel do Rio Negro, Brazil
- Average cloud cover in October: 47
The month with the most cloud cover is May (Cloud cover 72).
The month with the least cloud cover is September (Cloud cover 42).
Average visibility in October
Santa Isabel do Rio Negro, Brazil
- Average visibility in October: 8km
The months with the highest visibility are August, September and October (8km).
The month with the lowest visibility is May (5km).
Santa Isabel do Rio Negro, Brazil
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