July weather forecastRianápolis, Brazil

July

Weather in July

July, like June, in Rianápolis, 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

July records an average high-temperature of a still warm 28.9°C (84°F), indicating a minor variation from the preceding month. Rianápolis's average nighttime temperature descends significantly from the day's peak in July, settling at a comfortable 16.1°C (61°F).

Heat index

The heat index value during July is appraised at a tropical 30°C (86°F). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', comes about by integrating the temperature readings with the humidity levels. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

In Rianápolis, the average relative humidity in July 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

In Rianápolis, Brazil, the average length of the day in July is 11h and 19min.
On the first day of July, sunrise is at 06:45 and sunset at 17:58. 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 in Rianápolis are July and August, with an average of 9.9h of sunshine.

UV index

The average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: During July, 6 as the daily maximum UV index converts into the following advice:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. 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. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

Frequently asked questions

An average high-temperature, in July, in Rianápolis, is 28.9°C (84°F) and the average low-temperature is 16.1°C (61°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in July is appraised at 30°C (86°F).

The average relative humidity in July in Rianápolis is 54%.

The month with the least rainfall in Rianápolis, Brazil, is July, when the rain falls for 1.8 days and typically collects 1mm (0.04") of precipitation.

In Rianápolis, in July, during 1.8 rainfall days, 1mm (0.04") of precipitation is typically accumulated.

The average day length in July is 11h and 19min.

In July, on the first day of the month, sunrise is at 06:45 and sunset at 17:58. On the last day of the month, in Rianápolis, sunrise is at 06:41 and sunset at 18:07 -03.

July and August, with an average of 9.9h of sunshine, are months with the most sunshine in Rianápolis.

In Rianápolis, the average sunshine duration in July is 9.9h.

In Rianápolis, Brazil, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Rianápolis, 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
Rianápolis, 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
Rianápolis, 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
Rianápolis, 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
Rianápolis, 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
Rianápolis, 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
Rianápolis, 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
Rianápolis, 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
Rianápolis, 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
Rianápolis, 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
Rianápolis, 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).