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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 daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Derby, South Africa, is another warm summer month, with an average temperature varying between 29.3°C (84.7°F) and 18°C (64.4°F). The average temperatures reach their apex in January, averaging 29.3°C (84.7°F) at the high end and 18°C (64.4°F) at the low end. For most parts of January, the heat index is evaluated at a hot 32°C (89.6°F). Weather in January »
Weather in February
The last month of the summer, February, is another warm month in Derby, South Africa, with an average temperature varying between 17.3°C (63.1°F) and 28.8°C (83.8°F). The shift into February reveals an average high-temperature of a still moderately hot 28.8°C (83.8°F), closely mirroring January's climate. Weather in February »
Weather in March
March, the first month of the autumn in Derby, is still a warm month, with an average temperature varying between 27.6°C (81.7°F) and 15.8°C (60.4°F). March's advent notes a subtle adjustment in average high-temperature to a still warm 27.6°C (81.7°F) from February. Weather in March »
Weather in April
April, the same as March, is another warm autumn month in Derby, South Africa, with an average temperature varying between 12.8°C (55°F) and 24.4°C (75.9°F). The arrival of April corresponds with a light shift in temperature, down from a moderately hot 27.6°C (81.7°F) in March to a still warm 24.4°C (75.9°F). Weather in April »
Weather in May
The last month of the autumn, May, is another pleasant month in Derby, South Africa, with an average temperature varying between 22.4°C (72.3°F) and 10.3°C (50.5°F). The arrival of May coincides with an average high-temperature of an agreeable 22.4°C (72.3°F), indicating a minimal shift from April's 24.4°C (75.9°F). Weather in May »
Weather in June
June, the first month of the winter in Derby, is still a comfortable month, with an average temperature ranging between min 6.7°C (44.1°F) and max 19.2°C (66.6°F). June witnesses a gentle descent in average high-temperature, descending from May's pleasant 22.4°C (72.3°F) to a refreshing 19.2°C (66.6°F). Weather in June »
Weather in July
July, like June, in Derby, South Africa, is another comfortable winter month, with temperature in the range of an average low of 6.3°C (43.3°F) and an average high of 18.9°C (66°F). The coldest temperatures occur during July, when averages reach a peak of 18.9°C (66°F) and a low of 6.3°C (43.3°F). Weather in July »
Weather in August
August, the last month of the winter in Derby, is an agreeable month, with an average temperature varying between 22.7°C (72.9°F) and 8.6°C (47.5°F). August signifies a subtle uplift in the average high-temperature, adjusting from a refreshing 18.9°C (66°F) in July to an agreeable 22.7°C (72.9°F). Weather in August »
Weather in September
September, the first month of the spring in Derby, is a warm month, with an average temperature fluctuating between 12.4°C (54.3°F) and 27°C (80.6°F). September witnesses a subtle temperature ascent, adjusting from a pleasant 22.7°C (72.9°F) in August to a moderately hot 27°C (80.6°F). Weather in September »
Weather in October
October, the same as September, is a moderately hot spring month in Derby, South Africa, with an average temperature ranging between min 15.8°C (60.4°F) and max 28.8°C (83.8°F). A minor adjustment in Derby's average high-temperature is noted with the start of October, touching a still warm 28.8°C (83.8°F) from September's 27°C (80.6°F). Weather in October »
Weather in November
The last month of the spring, November, is another warm month in Derby, South Africa, with temperature in the range of an average low of 17°C (62.6°F) and an average high of 28.7°C (83.7°F). The advent of November sees the average high-temperature at a still warm 28.7°C (83.7°F), subtly shifted from October's 28.8°C (83.8°F). Weather in November »
Weather in December
December, the first month of the summer in Derby, is still a warm month, with an average temperature fluctuating between 29.1°C (84.4°F) and 18°C (64.4°F). Derby's average high-temperature in December sits at a still warm 29.1°C (84.4°F), showing little difference from the previous month. Weather in December »
[Resources]Frequently asked questions
What month is the hottest in Derby?
The month of January, characterized by an average high of 29.3°C (84.7°F) and a low of 18°C (64.4°F), is recognized as the warmest in Derby.
How many days does it rain in Derby?
In Derby, during the entire year, the rain falls for 118.3 days and collects up to 411mm (16.18") of precipitation.
What are the months with the highest UV index in Derby?
January through March, October through December, with an average maximum UV index of 6, are months with the highest UV index in Derby, South Africa.
What is the most humid month in Derby?
The most humid month in Derby, South Africa, is February, with an average relative humidity of 61%.
When is the lowest UV index in Derby?
May through July, with an average maximum UV index of 4, are months with the lowest UV index in Derby.
What is the month with the shortest days in Derby?
With an average of 10h and 30min of daylight, June has the shortest days of the year in Derby, South Africa.
What is the month with the least sunshine in Derby?
The months with the least sunshine in Derby are June and August, with an average of 7.5h of sunshine.
What are the coldest months in Derby?
In Derby, July is known for its average lowest temperatures, reaching a high of 18.9°C (66°F) and a low of 6.3°C (43.3°F).
What is the driest month in Derby?
July and August are months with the least rain when the rain falls for 1.3 days and typically aggregates up to 1mm (0.04") of rain.
What is the least humid month in Derby?
The least humid month is September, with an average relative humidity of 32%.
What month has the most sunshine in Derby?
With an average of 11.9h of sunshine, October has the most sunshine of the year.
What is the rainiest month in Derby?
December is the month with the most rainfall. Rain falls for 19.6 days and accumulates 95mm (3.74") of precipitation.
When are the longest days in Derby?
The month with the longest days in Derby, South Africa, is December, with an average of 13h and 42min of daylight.
Is there Daylight Saving Time (DST) in Derby?
Derby does not utilize Daylight Saving Time (DST). SAST timezone is used over the entire year.
Average temperature
Derby, South Africa
The warmest month (with the highest average high temperature) is January (29.3°C).
The month with the lowest average high temperature is July (18.9°C).
The months with the highest average low temperature are January and December (18°C).
The coldest month (with the lowest average low temperature) is July (6.3°C).
Average pressure
Derby, South Africa
- Average pressure in January:
1012.3mbar - Average pressure in February:
1013.1mbar - Average pressure in March:
1015.2mbar - Average pressure in April:
1018.4mbar - Average pressure in May:
1020.7mbar - Average pressure in June:
1023.3mbar
- Average pressure in July:
1024.4mbar - Average pressure in August:
1021.1mbar - Average pressure in September:
1018mbar - Average pressure in October:
1014.9mbar - Average pressure in November:
1013.4mbar - Average pressure in December:
1012.6mbar
The month with the highest atmospheric pressure is July (1024.4mbar).
The month with the lowest atmospheric pressure is January (1012.3mbar).
Average wind speed
Derby, South Africa
- Average wind speed in January:
8.1km/h - Average wind speed in February:
7.8km/h - Average wind speed in March:
7km/h - Average wind speed in April:
7.3km/h - Average wind speed in May:
7km/h - Average wind speed in June:
7.9km/h
- Average wind speed in July:
8km/h - Average wind speed in August:
9.5km/h - Average wind speed in September:
10.1km/h - Average wind speed in October:
10.6km/h - Average wind speed in November:
10.4km/h - Average wind speed in December:
8.9km/h
The windiest month (with the highest average wind speed) is October (10.6km/h).
The calmest months (with the lowest average wind speed) are March and May (7km/h).
Average humidity
Derby, South Africa
The month with the highest relative humidity is February (61%).
The month with the lowest relative humidity is September (32%).
Average rainfall
Derby, South Africa
The wettest month (with the highest rainfall) is December (95mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days
Derby, South Africa
- Average rainfall days in January:
20.7 days - Average rainfall days in February:
17.3 days - Average rainfall days in March:
16.3 days - Average rainfall days in April:
10.5 days - Average rainfall days in May:
3.3 days - Average rainfall days in June:
1.3 days
- Average rainfall days in July:
1.3 days - Average rainfall days in August:
1 days - Average rainfall days in September:
3.2 days - Average rainfall days in October:
9 days - Average rainfall days in November:
14.8 days - Average rainfall days in December:
19.6 days
The month with the highest number of rainy days is January (20.7 days).
The month with the least rainy days is August (1 days).
Average daylight / Average sunshine
Derby, South Africa
- Average daylight in January:
13h and 3min - Average daylight in February:
13h and 0min - Average daylight in March:
12h and 1min - Average daylight in April:
11h and 3min - Average daylight in May:
10h and 5min - Average daylight in June:
10h and 3min
- Average daylight in July:
10h and 4min - Average daylight in August:
11h and 1min - Average daylight in September:
11h and 5min - Average daylight in October:
12h and 4min - Average daylight in November:
13h and 2min - Average daylight in December:
13h 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 January:
11h and 3min - Average sunshine in February:
11h and 1min - Average sunshine in March:
9h and 3min - Average sunshine in April:
7h and 5min - Average sunshine in May:
7h and 4min - Average sunshine in June:
7h and 3min
- Average sunshine in July:
7h and 4min - Average sunshine in August:
7h and 3min - Average sunshine in September:
10h and 0min - Average sunshine in October:
11h and 5min - Average sunshine in November:
11h and 4min - Average sunshine in December:
11h and 2min
The month with the most sunshine is October (Average sunshine: 11h and 54min).
The months with the least sunshine are June and August (Average sunshine: 7h and 30min).
Average sunshine days
Derby, South Africa
- Average sunshine days in January:
6.6 days - Average sunshine days in February:
7.7 days - Average sunshine days in March:
12.2 days - Average sunshine days in April:
16.8 days - Average sunshine days in May:
27 days - Average sunshine days in June:
28.1 days
- Average sunshine days in July:
29.3 days - Average sunshine days in August:
29.1 days - Average sunshine days in September:
25.4 days - Average sunshine days in October:
19.3 days - Average sunshine days in November:
11.5 days - Average sunshine days in December:
6.9 days
The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is January (6.6 days).
Average UV index
Derby, South Africa
The months with the highest UV index are January, February, March, October, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover
Derby, South Africa
The months with the most cloud cover are January and December (Cloud cover 24).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility
Derby, South Africa
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Derby, South Africa
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