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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
Climate and monthly weather forecast
Weather in January
January, like December, in Casteel, South Africa, is a moderately hot summer month, with an average temperature varying between 19.4°C (66.9°F) and 28.9°C (84°F). January welcomes an average high-temperature of a still moderately hot 28.9°C (84°F), not much different from the preceding month. Weather in January »
Weather in February
February, the last month of the summer in Casteel, is also a moderately hot month, with an average temperature ranging between max 29.2°C (84.6°F) and min 19°C (66.2°F). February and December are identified as the warmest months, with an average high-temperature of 29.2°C (84.6°F). The heat index value during February is estimated at a hot 34°C (93.2°F). Weather in February »
Weather in March
The first month of the autumn, March, is still a warm month in Casteel, South Africa, with temperature in the range of an average low of 18°C (64.4°F) and an average high of 28.6°C (83.5°F). Casteel experiences an average high-temperature of a still warm 28.6°C (83.5°F) in March, marking an insignificant shift from 29.2°C (84.6°F) in February. Weather in March »
Weather in April
April, the same as March, is a moderately hot autumn month in Casteel, South Africa, with an average temperature fluctuating between 25.9°C (78.6°F) and 15.8°C (60.4°F). The arrival of April brings an average high-temperature of a still warm 25.9°C (78.6°F), nearly identical to March's 28.6°C (83.5°F). Weather in April »
Weather in May
May, the last month of the autumn in Casteel, is also a moderately hot month, with an average temperature varying between 25.3°C (77.5°F) and 13.8°C (56.8°F). The transition from April to May sees an average high-temperature of a still moderately hot 25.3°C (77.5°F), indicating a minor variance from the prior month. Weather in May »
Weather in June
The first month of the winter, June, is also a moderately hot month in Casteel, South Africa, with an average temperature varying between 11.3°C (52.3°F) and 23°C (73.4°F). The onset of June marks an average high-temperature of a still moderately hot 23°C (73.4°F), hardly differing from May's 25.3°C (77.5°F). Weather in June »
Weather in July
July, like June, is another pleasant winter month in Casteel, South Africa, with an average temperature fluctuating between 11.2°C (52.2°F) and 22.8°C (73°F). Casteel's coldest month, July, registers temperatures that range from a high of 22.8°C (73°F) to a low of 11.2°C (52.2°F). Weather in July »
Weather in August
The last month of the winter, August, is a moderately hot month in Casteel, South Africa, with an average temperature fluctuating between 12.8°C (55°F) and 25.3°C (77.5°F). The transition from July to August sees an average high-temperature of a moderately hot 25.3°C (77.5°F), indicating a minor variance from the prior month. Weather in August »
Weather in September
The first month of the spring, September, is also a moderately hot month in Casteel, South Africa, with an average temperature varying between 15.4°C (59.7°F) and 27.5°C (81.5°F). As August transitions into September, Casteel records an average high-temperature of a still warm 27.5°C (81.5°F), showing a gentle shift from the preceding month. Weather in September »
Weather in October
October, the same as September, is another warm spring month in Casteel, South Africa, with temperature in the range of an average low of 17.2°C (63°F) and an average high of 28°C (82.4°F). Casteel, South Africa, records an average high-temperature of a still warm 28°C (82.4°F) in October, maintaining a close correlation with September's 27.5°C (81.5°F). Weather in October »
Weather in November
The last month of the spring, November, is also a moderately hot month in Casteel, South Africa, with an average temperature varying between 28.3°C (82.9°F) and 18°C (64.4°F). The arrival of November sees an average high-temperature of a still warm 28.3°C (82.9°F), hardly diverging from October's 28°C (82.4°F). Weather in November »
Weather in December
December, the first month of the summer in Casteel, is still a warm month, with an average temperature ranging between max 29.2°C (84.6°F) and min 19.1°C (66.4°F). February and December are identified as the warmest months, with an average high-temperature of 29.2°C (84.6°F). In December, the heat index is estimated at a tropical 33°C (91.4°F). Weather in December »
Updated: Jan 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the most humid month in Casteel?
January is the most humid month in Casteel, with an average relative humidity of 74%.
How much does it rain in Casteel?
In Casteel, South Africa, during the entire year, the rain falls for 145.7 days and collects up to 558mm (21.97") of precipitation.
What are the months with the highest UV index in Casteel?
January through April, September through December, with an average maximum UV index of 6, are months with the highest UV index.
What are the warmest months in Casteel?
The warmest period is usually observed in February and December, with the average high-temperature peaking at 29.2°C (84.6°F).
What month has the most sunshine in Casteel?
February has the most sunshine of the year in Casteel, South Africa, with an average of 9.7h of sunshine.
What is the month with the least sunshine in Casteel?
The month with the least sunshine is April, with an average of 6.3h of sunshine.
When is the lowest UV index in Casteel?
May through August, with an average maximum UV index of 5, are months with the lowest UV index in Casteel, South Africa.
What is the driest month in Casteel?
June and July are months with the least rain in Casteel when the rain falls for 2.3 days and typically aggregates up to 3mm (0.12") of rain.
What is the month with the shortest days in Casteel?
With an average of 10h and 36min of daylight, June has the shortest days of the year.
What time of the year is the coldest in Casteel?
July, marked by an average high-temperature of 22.8°C (73°F) and a low-temperature of 11.2°C (52.2°F), is the coldest month.
What is the least humid month in Casteel?
The least humid month in Casteel, South Africa, is September, with an average relative humidity of 52%.
What is the rainiest month in Casteel?
December is the month with the most rainfall. Rain falls for 20.5 days and accumulates 116mm (4.57") of precipitation.
When are the longest days in Casteel?
With an average of 13h and 36min of daylight, December has the longest days of the year.
Is there Daylight Saving Time (DST) in Casteel?
Casteel, South Africa, does not utilize Daylight Saving Time (DST). SAST timezone is used over the entire year.
Average temperature
Casteel, South Africa
The warmest months (with the highest average high temperature) are February and December (29.2°C).
The month with the lowest average high temperature is July (22.8°C).
The month with the highest average low temperature is January (19.4°C).
The coldest month (with the lowest average low temperature) is July (11.2°C).
Average pressure
Casteel, South Africa
- Average pressure in January:
1013.3mbar - Average pressure in February:
1013.8mbar - Average pressure in March:
1015.7mbar - Average pressure in April:
1018.7mbar - Average pressure in May:
1020.3mbar - Average pressure in June:
1022.6mbar
- Average pressure in July:
1024mbar - Average pressure in August:
1021.4mbar - Average pressure in September:
1019.2mbar - Average pressure in October:
1017mbar - Average pressure in November:
1015.1mbar - Average pressure in December:
1013.8mbar
The month with the highest atmospheric pressure is July (1024mbar).
The month with the lowest atmospheric pressure is January (1013.3mbar).
Average wind speed
Casteel, South Africa
- Average wind speed in January:
10km/h - Average wind speed in February:
9.5km/h - Average wind speed in March:
8.6km/h - Average wind speed in April:
8.2km/h - Average wind speed in May:
7.4km/h - Average wind speed in June:
8.3km/h
- Average wind speed in July:
8.6km/h - Average wind speed in August:
9km/h - Average wind speed in September:
10.3km/h - Average wind speed in October:
10.4km/h - Average wind speed in November:
10km/h - Average wind speed in December:
9.6km/h
The windiest month (with the highest average wind speed) is October (10.4km/h).
The calmest month (with the lowest average wind speed) is May (7.4km/h).
Average humidity
Casteel, South Africa
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is September (52%).
Average rainfall
Casteel, South Africa
The wettest month (with the highest rainfall) is December (116mm).
The driest months (with the least rainfall) are June and July (3mm).
Average rainfall days
Casteel, South Africa
- Average rainfall days in January:
20.9 days - Average rainfall days in February:
18.1 days - Average rainfall days in March:
18.9 days - Average rainfall days in April:
13.7 days - Average rainfall days in May:
5.8 days - Average rainfall days in June:
2.3 days
- Average rainfall days in July:
4.3 days - Average rainfall days in August:
4.3 days - Average rainfall days in September:
6.5 days - Average rainfall days in October:
13.2 days - Average rainfall days in November:
17.2 days - Average rainfall days in December:
20.5 days
The month with the highest number of rainy days is January (20.9 days).
The month with the least rainy days is June (2.3 days).
Average daylight / Average sunshine
Casteel, South Africa
- Average daylight in January:
13h and 3min - Average daylight in February:
12h and 5min - 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 4min
- Average daylight in July:
10h and 5min - Average daylight in August:
11h and 2min - Average daylight in September:
12h and 0min - 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 36min).
The month with the shortest days is June (Average daylight: 10h and 36min).
- Average sunshine in January:
9h and 1min - Average sunshine in February:
9h and 4min - Average sunshine in March:
9h and 1min - Average sunshine in April:
6h and 2min - Average sunshine in May:
7h and 2min - Average sunshine in June:
7h and 2min
- Average sunshine in July:
7h and 1min - Average sunshine in August:
7h and 1min - Average sunshine in September:
8h and 2min - Average sunshine in October:
9h and 2min - Average sunshine in November:
9h and 2min - Average sunshine in December:
9h and 2min
The month with the most sunshine is February (Average sunshine: 9h and 42min).
The month with the least sunshine is April (Average sunshine: 6h and 18min).
Average sunshine days
Casteel, South Africa
- Average sunshine days in January:
6.9 days - Average sunshine days in February:
7.2 days - Average sunshine days in March:
10 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
22.3 days - Average sunshine days in June:
26.3 days
- Average sunshine days in July:
24.9 days - Average sunshine days in August:
24.8 days - Average sunshine days in September:
21 days - Average sunshine days in October:
14.8 days - Average sunshine days in November:
9.3 days - Average sunshine days in December:
7.4 days
The month with the most sunshine days is June (26.3 days).
The month with the least sunshine days is January (6.9 days).
Average UV index
Casteel, South Africa
The months with the highest UV index are January, February, March, April, September, October, November and December (UV index 6).
The months with the lowest UV index are May, June, July and August (UV index 5).
Average cloud cover
Casteel, South Africa
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 12).
Average visibility
Casteel, South Africa
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, November and December (9km).
