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
Weather in April
Temperature
As April unfolds, the average high-temperature reaches a still warm 24.3°C (75.7°F), hinting at a slight fluctuation from the previous month. In the month of April, the average temperature dips to a mild 13.7°C (56.7°F) during the night.Humidity
In April, the average relative humidity is 78%.Rainfall
In Grand Valley Estate, in April, it is raining for 13.2 days, with typically 45mm (1.77") of accumulated precipitation. Throughout the year, there are 156.8 rainfall days, and 549mm (21.61") of precipitation is accumulated.Daylight
The average length of the day in April is 11h and 27min.On the first day of April, sunrise is at 06:04 and sunset at 17:52. On the last day of the month, sunrise is at 06:19 and sunset at 17:24 SAST.
Sunshine
The month with the least sunshine is April, with an average of 6.4h of sunshine.UV index
The months with the lowest UV index are April through October, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 5 in April translates into this advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How many days does it rain in April?
How many hours of daylight does Grand Valley Estate have in April?
When is the sunrise / sunset in April?
What is the month with the least sunshine?
How many hours of sunshine does Grand Valley Estate have in April?
When is the lowest UV index?
What is the UV index reading in April?
Average temperature in April
Grand Valley Estate, Swaziland
- Average high temperature in April: 24.3°C
The warmest month (with the highest average high temperature) is December (27.5°C).
The month with the lowest average high temperature is July (21.4°C).
- Average low temperature in April: 13.7°C
The month with the highest average low temperature is December (17.5°C).
The coldest month (with the lowest average low temperature) is July (9.3°C).
Average pressure in April
Grand Valley Estate, Swaziland
- Average pressure in April: 1019mbar
The month with the highest atmospheric pressure is July (1024.1mbar).
The month with the lowest atmospheric pressure is January (1014mbar).
Average wind speed in April
Grand Valley Estate, Swaziland
- Average wind speed in April: 6.3km/h
The windiest month (with the highest average wind speed) is September (8.2km/h).
The calmest month (with the lowest average wind speed) is March (6.1km/h).
Average humidity in April
Grand Valley Estate, Swaziland
- Average humidity in April: 78%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (57%).
Average rainfall in April
Grand Valley Estate, Swaziland
- Average rainfall in April: 45mm
The wettest month (with the highest rainfall) is December (110mm).
The driest month (with the least rainfall) is July (4mm).
Average rainfall days in April
Grand Valley Estate, Swaziland
- Average rainfall days in April: 13.2 days
The month with the highest number of rainy days is December (22.7 days).
The month with the least rainy days is June (3.6 days).
Average daylight in April /
Average sunshine in April
Grand Valley Estate, Swaziland
- Average daylight in April: 11h and 2min
The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in April: 6h and 2min
The month with the most sunshine is November (Average sunshine: 9h and 0min).
The month with the least sunshine is April (Average sunshine: 6h and 24min).
Average sunshine days in April
Grand Valley Estate, Swaziland
- Average sunshine days in April: 13.7 days
The month with the most sunshine days is June (25.4 days).
The month with the least sunshine days is December (5.3 days).
Average UV index in April
Grand Valley Estate, Swaziland
- Average UV index in April: 5
The months with the highest UV index are January, February, March, November and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August, September and October (UV index 5).
Average cloud cover in April
Grand Valley Estate, Swaziland
- Average cloud cover in April: 39
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 14).
Average visibility in April
Grand Valley Estate, Swaziland
- Average visibility in April: 8km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February and March (7km).
Grand Valley Estate, Swaziland
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