Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
July
Weather in July
Temperature
July is the coldest month of the year, registering average temperatures as high as 17.9°C (64.2°F) and as low as 6.1°C (43°F).Humidity
The average relative humidity in July is 44%.Rainfall
July is the month with the least rainfall. Rain falls for 1.4 days and accumulates 1mm (0.04") of precipitation.Daylight
In Rivonia, the average length of the day in July is 10h and 41min.On the first day of July, sunrise is at 06:55 and sunset at 17:27. On the last day of the month, sunrise is at 06:46 and sunset at 17:41 SAST.
Sunshine
In July, the average sunshine is 7.6h.UV index
The months with the lowest UV index are May through July, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 4 in July leads to these recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
What is the average July temperature?
What is the average humidity in July?
What is the driest month?
How much does it rain in July?
What is the average length of the day in July?
What time are sunrise and sunset in July?
How long on average sun shines in July?
What is the month with the lowest UV index?
What is the UV index intensity in July?
Average temperature in July
Rivonia, South Africa
- Average high temperature in July: 17.9°C
The warmest month (with the highest average high temperature) is December (27.5°C).
The month with the lowest average high temperature is July (17.9°C).
- Average low temperature in July: 6.1°C
The month with the highest average low temperature is January (16.6°C).
The coldest month (with the lowest average low temperature) is July (6.1°C).
Average pressure in July
Rivonia, South Africa
- Average pressure in July: 1024.6mbar
The month with the highest atmospheric pressure is July (1024.6mbar).
The month with the lowest atmospheric pressure is January (1013.1mbar).
Average wind speed in July
Rivonia, South Africa
- Average wind speed in July: 8.9km/h
The windiest month (with the highest average wind speed) is November (11.6km/h).
The calmest month (with the lowest average wind speed) is May (7.8km/h).
Average humidity in July
Rivonia, South Africa
- Average humidity in July: 44%
The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is September (34%).
Average rainfall in July
Rivonia, South Africa
- Average rainfall in July: 1mm
The wettest month (with the highest rainfall) is January (57mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in July
Rivonia, South Africa
- Average rainfall days in July: 1.4 days
The month with the highest number of rainy days is January (13.2 days).
The month with the least rainy days is July (1.4 days).
Average daylight in July /
Average sunshine in July
Rivonia, South Africa
- Average daylight in July: 10h and 4min
The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in July: 7h and 4min
The month with the most sunshine is October (Average sunshine: 11h and 48min).
The month with the least sunshine is August (Average sunshine: 7h and 24min).
Average sunshine days in July
Rivonia, South Africa
- Average sunshine days in July: 28.9 days
The month with the most sunshine days is July (28.9 days).
The month with the least sunshine days is January (16.3 days).
Average UV index in July
Rivonia, South Africa
- Average UV index in July: 4
The months with the highest UV index are January, February, October and November (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in July
Rivonia, South Africa
- Average cloud cover in July: 6
The month with the most cloud cover is January (Cloud cover 26).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in July
Rivonia, South Africa
- Average visibility in July: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
