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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Johannesburg, California, is another fresh winter month, with temperature in the range of an average high of 54.9°F (12.7°C) and an average low of 38.8°F (3.8°C). January commences with an average high-temperature of a still cool 54.9°F (12.7°C), showing little deviation from December's 52.5°F (11.4°C). Weather in January »
Weather in February
February, the last month of the winter in Johannesburg, is a moderate month, with temperature in the range of an average high of 57.4°F (14.1°C) and an average low of 40.5°F (4.7°C). Johannesburg observes a minor difference in average high-temperatures between January's 54.9°F (12.7°C) and February's 57.4°F (14.1°C). Weather in February »
Weather in March
The first month of the spring, March, is a comfortable month in Johannesburg, California, with an average temperature fluctuating between 45.5°F (7.5°C) and 63.7°F (17.6°C). Johannesburg's transition into March brings a slight rise in the average high-temperature, moving from a mild 57.4°F (14.1°C) in February to a still refreshing 63.7°F (17.6°C). Weather in March »
Weather in April
April in Johannesburg, California, is an agreeable spring month, with an average temperature ranging between max 70.7°F (21.5°C) and min 50.4°F (10.2°C). Johannesburg's weather in April shows a minor rise in the average high-temperature, moving slightly up from March's enjoyable 63.7°F (17.6°C) to a pleasant 70.7°F (21.5°C). Weather in April »
Weather in May
May, the last month of the spring in Johannesburg, is a warm month, with an average temperature varying between 57.6°F (14.2°C) and 78.4°F (25.8°C). With the beginning of May, Johannesburg's average high-temperature sees a minor increase, transitioning from a pleasant 70.7°F (21.5°C) in April to a moderately hot 78.4°F (25.8°C). Weather in May »
Weather in June
June, the first month of the summer in Johannesburg, is a tropical month, with an average temperature ranging between max 90.1°F (32.3°C) and min 66°F (18.9°C). Johannesburg sees an increase in average high-temperatures during June, moving from a moderately hot 78.4°F (25.8°C) in May to a tropical 90.1°F (32.3°C). Weather in June »
Weather in July
July in Johannesburg, California, is a torrid summer month, with an average temperature ranging between min 72.1°F (22.3°C) and max 95.9°F (35.5°C). Johannesburg, California, records the warmest temperatures in July, averaging a high of 95.9°F (35.5°C) and a low of 72.1°F (22.3°C). In Johannesburg, the average relative humidity in July is 21%. Weather in July »
Weather in August
August, the last month of the summer in Johannesburg, is also a hot month, with an average temperature fluctuating between 71.4°F (21.9°C) and 94.5°F (34.7°C). As Johannesburg transitions from July to August, the average high-temperatures adjust to a hot 94.5°F (34.7°C), nearly the same as the previous 95.9°F (35.5°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a hot month in Johannesburg, California, with temperature in the range of an average low of 66.2°F (19°C) and an average high of 86.9°F (30.5°C). Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a hot 94.5°F (34.7°C) to a still tropical 86.9°F (30.5°C). Weather in September »
Weather in October
October, the same as September, is another warm autumn month in Johannesburg, California, with an average temperature ranging between max 74.5°F (23.6°C) and min 55°F (12.8°C). The arrival of October indicates a decrease in the average high-temperature, moving from a hot 86.9°F (30.5°C) in September to a warm 74.5°F (23.6°C). Weather in October »
Weather in November
The last month of the autumn, November, is another comfortable month in Johannesburg, California, with an average temperature fluctuating between 45.3°F (7.4°C) and 63°F (17.2°C). Stepping into November, Johannesburg observes a temperature decline, with the average high falling from October's moderately hot 74.5°F (23.6°C) to an enjoyable 63°F (17.2°C). Weather in November »
Weather in December
December, the first month of the winter in Johannesburg, is still a cool month, with temperature in the range of an average high of 52.5°F (11.4°C) and an average low of 37.6°F (3.1°C). Temperature readings reach their annual highs in December, averaging 52.5°F (11.4°C) and a minimum average of 37.6°F (3.1°C). Weather in December »
[Resources]Frequently asked questions
What is the most humid month in Johannesburg?
With an average relative humidity of 47%, January is the most humid month in Johannesburg.
How many days does it rain in Johannesburg?
Throughout the year, in Johannesburg, there are 29.6 rainfall days, and 2.64" (67mm) of precipitation is accumulated.
When it does not snow in Johannesburg?
In Johannesburg, California, snow does not fall in January through October and December.
How much does it snow in Johannesburg?
Throughout the year, there are 0.4 snowfall days, and 0.83" (21mm) of snow is accumulated.
What are the months with the least sunshine in Johannesburg?
The months with the least sunshine in Johannesburg are January and December, with an average of 7.1h of sunshine.
What is the month with the lowest UV index in Johannesburg?
January, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Johannesburg.
When is Daylight Saving Time (DST) in Johannesburg?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Johannesburg, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
What is the driest month in Johannesburg?
The month with the least rainfall in Johannesburg, California, is June, when the rain falls for 1.2 days and typically collects 0.04" (1mm) of precipitation.
When are the longest days in Johannesburg?
With an average of 14h and 30min of daylight, June has the longest days of the year in Johannesburg, California.
What month has the most sunshine in Johannesburg?
With an average of 12.2h of sunshine, June has the most sunshine of the year in Johannesburg.
What time of the year is the hottest in Johannesburg?
Johannesburg reaches its average highest temperatures in July, measuring 95.9°F (35.5°C) at the peak and 72.1°F (22.3°C) at the lowest.
When is the highest UV index in Johannesburg?
With an average maximum UV index of 8, July is the month with the highest UV index in Johannesburg, California.
What is the least humid month in Johannesburg?
With an average relative humidity of 20%, August is the least humid month in Johannesburg, California.
When does it snow in Johannesburg?
The only month with snowfall is November.
What is the snowiest month in Johannesburg?
The month with the most snowfall is November, when snow falls for 0.1 days and typically aggregates up to 0.83" (21mm) of snow.
What month is the coldest in Johannesburg?
Johannesburg, California, experiences its average lowest temperatures in December, reaching a peak of 52.5°F (11.4°C) and a minimum of 37.6°F (3.1°C).
What is the rainiest month in Johannesburg?
December is the month with the most rainfall in Johannesburg. Rain falls for 2.4 days and accumulates 0.35" (9mm) of precipitation.
What is the month with the shortest days in Johannesburg?
December has the shortest days of the year in Johannesburg, with an average of 9h and 48min of daylight.
Average temperature
Johannesburg, CA
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).
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
Johannesburg, CA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30"Hg - Average pressure in April:
29.92"Hg - Average pressure in May:
29.86"Hg - Average pressure in June:
29.82"Hg
- Average pressure in July:
29.86"Hg - Average pressure in August:
29.86"Hg - Average pressure in September:
29.87"Hg - Average pressure in October:
29.95"Hg - Average pressure in November:
30.04"Hg - Average pressure in December:
30.1"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
Johannesburg, CA
- Average wind speed in January:
5.7mph - Average wind speed in February:
6.9mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8.9mph - Average wind speed in May:
9.3mph - Average wind speed in June:
9.1mph
- Average wind speed in July:
8.1mph - Average wind speed in August:
7.7mph - Average wind speed in September:
7.2mph - Average wind speed in October:
6.6mph - Average wind speed in November:
6.1mph - Average wind speed in December:
5.8mph
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
Johannesburg, CA
The month with the highest relative humidity is January (47%).
The month with the lowest relative humidity is August (20%).
Average rainfall
Johannesburg, CA
- Average rainfall in January:
0.24" - Average rainfall in February:
0.24" - Average rainfall in March:
0.24" - Average rainfall in April:
0.31" - Average rainfall in May:
0.12" - Average rainfall in June:
0.04"
- Average rainfall in July:
0.31" - Average rainfall in August:
0.16" - Average rainfall in September:
0.12" - Average rainfall in October:
0.24" - Average rainfall in November:
0.28" - Average rainfall in December:
0.35"
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
Johannesburg, CA
- Average rainfall days in January:
2.8 days - Average rainfall days in February:
2.6 days - Average rainfall days in March:
3.4 days - Average rainfall days in April:
3 days - Average rainfall days in May:
1.8 days - Average rainfall days in June:
1.2 days
- Average rainfall days in July:
4.5 days - Average rainfall days in August:
2.6 days - Average rainfall days in September:
1.9 days - Average rainfall days in October:
1.8 days - Average rainfall days in November:
1.6 days - Average rainfall days in December:
2.4 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
Johannesburg, CA
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
Johannesburg, CA
- Average snowfall days in January:
0.1 days - Average snowfall days in February:
0.1 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.1 days - Average snowfall days in December:
0.1 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 / Average sunshine
Johannesburg, CA
- Average daylight in January:
10h and 1min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 3min
- Average daylight in July:
14h and 2min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
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 January:
7h and 1min - Average sunshine in February:
7h and 2min - Average sunshine in March:
9h and 1min - Average sunshine in April:
11h and 4min - Average sunshine in May:
11h and 5min - Average sunshine in June:
12h and 1min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 5min - Average sunshine in October:
8h and 5min - Average sunshine in November:
7h and 2min - Average sunshine in December:
7h 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
Johannesburg, CA
- Average sunshine days in January:
27.3 days - Average sunshine days in February:
25.1 days - Average sunshine days in March:
27.6 days - Average sunshine days in April:
27.3 days - Average sunshine days in May:
27.7 days - Average sunshine days in June:
27.5 days
- Average sunshine days in July:
23.2 days - Average sunshine days in August:
25.3 days - Average sunshine days in September:
25.4 days - Average sunshine days in October:
27.8 days - Average sunshine days in November:
27.9 days - Average sunshine days in December:
28.1 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
Johannesburg, CA
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
Johannesburg, CA
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
Johannesburg, CA
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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