Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
April
Weather in April
Temperature
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). During April, an average low-temperature of 15.8°C (60.4°F) is observed in Casteel.Humidity
In April, the average relative humidity in Casteel is 72%.Rainfall
In Casteel, South Africa, during April, the rain falls for 13.7 days and regularly aggregates up to 35mm (1.38") of precipitation. In Casteel, during the entire year, the rain falls for 145.7 days and collects up to 558mm (21.97") of precipitation.Daylight
The average length of the day in April in Casteel is 11h and 31min.On the first day of April, sunrise is at 06:04 and sunset at 17:54. On the last day of the month, sunrise is at 06:17 and sunset at 17:28 SAST.
Sunshine
With an average of 6.3h of sunshine, April has the least sunshine of the year in Casteel.UV index
The months with the highest UV index are January through April, September through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.Note: The UV index of 6 during April leads to these advisories:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Casteel?
What is the average humidity in April in Casteel?
How much does it rain in Casteel in April?
How many hours of daylight does Casteel have in April?
What time are sunrise and sunset in April in Casteel?
What is the month with the least sunshine in Casteel?
How many hours of sunshine does Casteel have in April?
When is the highest UV index in Casteel?
How high is the UV index in April in Casteel?
Average temperature in April
Casteel, South Africa
- Average high temperature in April: 25.9°C
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).
- Average low temperature in April: 15.8°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 in April
Casteel, South Africa
- Average pressure in April: 1018.7mbar
The month with the highest atmospheric pressure is July (1024mbar).
The month with the lowest atmospheric pressure is January (1013.3mbar).
Average wind speed in April
Casteel, South Africa
- Average wind speed in April: 8.2km/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 in April
Casteel, South Africa
- Average humidity in April: 72%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is September (52%).
Average rainfall in April
Casteel, South Africa
- Average rainfall in April: 35mm
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 in April
Casteel, South Africa
- Average rainfall days in April: 13.7 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 in April /
Average sunshine in April
Casteel, South Africa
- Average daylight in April: 11h and 3min
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 April: 6h 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 in April
Casteel, South Africa
- Average sunshine days in April: 12.8 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 in April
Casteel, South Africa
- Average UV index in April: 6
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 in April
Casteel, South Africa
- Average cloud cover in April: 35
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 in April
Casteel, South Africa
- Average visibility in April: 9km
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).
