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 sea temperature 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
The advent of April reveals an average high-temperature of an agreeable 22.3°C (72.1°F), showing minimal difference from the prior month. Throughout April nights, Port Saint Johns experiences a consistent temperature average of 11°C (51.8°F).Humidity
The average relative humidity in April is 75%.Rainfall
In April, in Port Saint Johns, South Africa, the rain falls for 13.3 days. Throughout April, 56mm (2.2") of precipitation is accumulated. Throughout the year, in Port Saint Johns, there are 172 rainfall days, and 557mm (21.93") of precipitation is accumulated.Sea temperature
In Port Saint Johns, in April, the average water temperature is 25.6°C (78.1°F).Note: For water activities like swimming, diving, and more, temperatures ranging between 25°C (77°F) and 29°C (84.2°F) offer superior comfort and enjoyment for lengthy durations.
Daylight
In April, the average length of the day is 11h and 19min.On the first day of the month, sunrise is at 06:13 and sunset at 17:57. On the last day of April, in Port Saint Johns, sunrise is at 06:32 and sunset at 17:25 SAST.
Sunshine
April has the least sunshine of the year, with an average of 6.2h of sunshine.UV index
The months with the highest UV index are January through April, August, November and December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In April, a regular UV index of 5 translates into these guidelines:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Boost your sun resistance with garments that are densely woven yet spacious. Beware! Reflecting off water and sand, UV rays are much stronger.
Frequently asked questions
What is the usual temperature for Port Saint Johns in April?
What is the average humidity in April in Port Saint Johns?
How much does it rain in Port Saint Johns in April?
How warm is the water in April in Port Saint Johns?
How many hours of daylight does Port Saint Johns have in April?
When is the sunrise / sunset in April in Port Saint Johns?
What is the month with the least sunshine in Port Saint Johns?
How many hours of sunshine does Port Saint Johns have in April?
What are the months with the highest UV index in Port Saint Johns?
What is the UV index intensity in April in Port Saint Johns?
Average temperature in April
Port Saint Johns, South Africa
- Average high temperature in April: 22.3°C
The warmest months (with the highest average high temperature) are January and February (25.8°C).
The month with the lowest average high temperature is July (19.1°C).
- Average low temperature in April: 11°C
The month with the highest average low temperature is February (15.3°C).
The coldest month (with the lowest average low temperature) is July (7.2°C).
Average pressure in April
Port Saint Johns, South Africa
- Average pressure in April: 1019mbar
The month with the highest atmospheric pressure is July (1023.5mbar).
The month with the lowest atmospheric pressure is January (1014.1mbar).
Average wind speed in April
Port Saint Johns, South Africa
- Average wind speed in April: 6.9km/h
The windiest month (with the highest average wind speed) is August (8.4km/h).
The calmest month (with the lowest average wind speed) is March (6.5km/h).
Average humidity in April
Port Saint Johns, South Africa
- Average humidity in April: 75%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are June, July and August (55%).
Average rainfall in April
Port Saint Johns, South Africa
- Average rainfall in April: 56mm
The wettest month (with the highest rainfall) is January (93mm).
The driest month (with the least rainfall) is June (11mm).
Average rainfall days in April
Port Saint Johns, South Africa
- Average rainfall days in April: 13.3 days
The month with the highest number of rainy days is December (23.5 days).
The month with the least rainy days is June (5 days).
Average sea temperature in April
Port Saint Johns, South Africa
- Average sea temperature in April: 25.6°C
The best month for swimming (with the highest average sea temperature) is March (26.4°C).
The coldest month (with the lowest average sea temperature) is August (21°C).
Average daylight in April /
Average sunshine in April
Port Saint Johns, South Africa
- Average daylight in April: 11h and 2min
The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).
- Average sunshine in April: 6h and 1min
The month with the most sunshine is October (Average sunshine: 8h and 36min).
The month with the least sunshine is April (Average sunshine: 6h and 12min).
Average sunshine days in April
Port Saint Johns, South Africa
- Average sunshine days in April: 14.6 days
The month with the most sunshine days is July (24.5 days).
The month with the least sunshine days is January (4.4 days).
Average UV index in April
Port Saint Johns, South Africa
- Average UV index in April: 5
The months with the highest UV index are January, February, March, April, August, November and December (UV index 5).
The months with the lowest UV index are May, June, July, September and October (UV index 4).
Average cloud cover in April
Port Saint Johns, South Africa
- Average cloud cover in April: 40
The month with the most cloud cover is December (Cloud cover 60).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in April
Port Saint Johns, South Africa
- Average visibility in April: 8km
The month with the highest visibility is June (10km).
The month with the lowest visibility is January (6km).
Port Saint Johns, South Africa
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