July weather forecastRialma, Brazil
July
Weather in July
July, like June, in Rialma, Brazil, is another warm winter month, with an average temperature ranging between max 28.9°C (84°F) and min 16.1°C (61°F).Temperature
Transitioning from June to July, Rialma observes an average high-temperature of a still warm 28.9°C (84°F), differing subtly from the previous month. In Rialma, the nighttime chill during July is a clear shift from the day's highs, with an average of 16.1°C (61°F).Heat index
The average heat index in July is evaluated at a tropical 30°C (86°F). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.Observations indicate that the heat index values are for shady locations with light wind. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are of high significance for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Humidity
In July, the average relative humidity is 54%.Rainfall
July is the month with the least rainfall. Rain falls for 1.8 days and accumulates 1mm (0.04") of precipitation.Daylight
The average length of the day in July is 11h and 19min.On the first day of July in Rialma, sunrise is at 06:45 and sunset at 17:59. On the last day of the month, sunrise is at 06:41 and sunset at 18:07 -03.
Sunshine
The months with the most sunshine are July and August, with an average of 9.9h of sunshine.UV index
The average daily maximum UV index in July in Rialma is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: An average maximum UV index of 6 in July leads to these recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Rialma, Brazil
- Average high temperature in July: 28.9°C
The warmest month (with the highest average high temperature) is September (33.5°C).
The month with the lowest average high temperature is January (27°C).
- Average low temperature in July: 16.1°C
The month with the highest average low temperature is October (21°C).
The coldest month (with the lowest average low temperature) is July (16.1°C).
Average pressure in July
Rialma, Brazil
- Average pressure in July: 1017mbar
The month with the highest atmospheric pressure is July (1017mbar).
The month with the lowest atmospheric pressure is November (1011mbar).
Average wind speed in July
Rialma, Brazil
- Average wind speed in July: 8.2km/h
The windiest month (with the highest average wind speed) is August (8.3km/h).
The calmest month (with the lowest average wind speed) is March (5.2km/h).
Average humidity in July
Rialma, Brazil
- Average humidity in July: 54%
The month with the highest relative humidity is March (88%).
The month with the lowest relative humidity is September (40%).
Average rainfall in July
Rialma, Brazil
- Average rainfall in July: 1mm
The wettest month (with the highest rainfall) is November (266mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in July
Rialma, Brazil
- Average rainfall days in July: 1.8 days
The months with the highest number of rainy days are January and December (29.3 days).
The month with the least rainy days is August (1.3 days).
Average daylight in July /
Average sunshine in July
Rialma, Brazil
- Average daylight in July: 11h and 18min
The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 12min).
- Average sunshine in July: 9h and 54min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in July
Rialma, Brazil
- Average sunshine days in July: 28.8 days
The month with the most sunshine days is August (29 days).
The months with the least sunshine days are February and November (0.7 days).
Average UV index in July
Rialma, Brazil
- Average UV index in July: 6
The months with the highest UV index are August and September (UV index 7).
The months with the lowest UV index are February and December (UV index 5).
Average cloud cover in July
Rialma, Brazil
- Average cloud cover in July: 11
The month with the most cloud cover is December (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in July
Rialma, Brazil
- Average visibility in July: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February and March (7km).





