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 snowfall in July
- Average snowfall 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
Weather in July
Temperature
Temperature records mark July as the warmest month, with highs averaging 95.9°F (35.5°C) and lows at 72.1°F (22.3°C).Humidity
In July, the average relative humidity is 21%.Rainfall
In Johannesburg, during July, the rain falls for 4.5 days and regularly aggregates up to 0.31" (8mm) of precipitation. In Johannesburg, during the entire year, the rain falls for 29.6 days and collects up to 2.64" (67mm) of precipitation.Snowfall
January through October and December are months without snowfall.Daylight
The average length of the day in July is 14h and 16min.On the first day of the month, sunrise is at 5:39 am and sunset at 8:09 pm. On the last day of July, in Johannesburg, sunrise is at 5:59 am and sunset at 7:54 pm PDT.
Sunshine
In July, the average sunshine is 12.1h.UV index
July is the month with the highest UV index, with an average maximum UV index of 8. A UV Index value of 8 to 10 symbolizes a very high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 8 in July translates into these instructions:
Act with caution. Neglecting protection can lead to skin and eye damage in moments. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the hottest time of year in Johannesburg?
How hot is it in July?
What is the average humidity in July?
How many days does it rain in July?
When it does not snow?
How many hours of daylight does Johannesburg have in July?
When is the sunrise / sunset in July?
How long on average sun shines in July?
What is the month with the highest UV index in Johannesburg?
How high is the UV index in July?
Average temperature in July
Johannesburg, CA
- Average high temperature in July: 95.9°F
The warmest month (with the highest average high temperature) is July (95.9°F).
The month with the lowest average high temperature is December (52.5°F).
- Average low temperature in July: 72.1°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is December (37.6°F).
Average pressure in July
Johannesburg, CA
- Average pressure in July: 29.86"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in July
Johannesburg, CA
- Average wind speed in July: 8.1mph
The windiest month (with the highest average wind speed) is May (9.3mph).
The calmest month (with the lowest average wind speed) is January (5.7mph).
Average humidity in July
Johannesburg, CA
- Average humidity in July: 21%
The month with the highest relative humidity is January (47%).
The month with the lowest relative humidity is August (20%).
Average rainfall in July
Johannesburg, CA
- Average rainfall in July: 0.31"
The wettest month (with the highest rainfall) is December (0.35").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in July
Johannesburg, CA
- Average rainfall days in July: 4.5 days
The month with the highest number of rainy days is July (4.5 days).
The month with the least rainy days is June (1.2 days).
Average snowfall in July
Johannesburg, CA
- Average snowfall in July: 0"
The month with the highest snowfall is November (0.83").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and December (0").
Average snowfall days in July
Johannesburg, CA
- Average snowfall days in July: 0 days
The months with the highest number of snowfall days are January, February, November and December (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Johannesburg, CA
- Average daylight in July: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in July: 12h and 1min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The months with the least sunshine are January and December (Average sunshine: 7h and 6min).
Average sunshine days in July
Johannesburg, CA
- Average sunshine days in July: 23.2 days
The month with the most sunshine days is December (28.1 days).
The month with the least sunshine days is July (23.2 days).
Average UV index in July
Johannesburg, CA
- Average UV index in July: 8
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in July
Johannesburg, CA
- Average cloud cover in July: 6
The months with the most cloud cover are January, March and December (Cloud cover 17).
The month with the least cloud cover is September (Cloud cover 4).
Average visibility in July
Johannesburg, CA
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Johannesburg, California, USA
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