April weather forecast
Port Nolloth, South Africa

April

Weather in April

April, like March, in Port Nolloth, South Africa, is another warm autumn month, with an average temperature fluctuating between 16.6°C (61.9°F) and 23.3°C (73.9°F).

Temperature

As Port Nolloth, South Africa, steps into April, the average high-temperature holds at a still warm 23.3°C (73.9°F), hinting at a minor fluctuation from the prior month. In the month of April, the temperature generally rests at an average low of 16.6°C (61.9°F).

Humidity

The average relative humidity in April in Port Nolloth is 62%.

Rainfall

In April, the rain falls for 4.9 days. Throughout April, 4mm (0.16") of precipitation is accumulated. In Port Nolloth, during the entire year, the rain falls for 46.8 days and collects up to 59mm (2.32") of precipitation.

Sea temperature

In Port Nolloth, in April, the average water temperature is 14.9°C (58.8°F).
Note: Engaging in a swim in 14.9°C (58.8°F) can threaten life. Brief exposure to 13°C (55.4°F) waters is uneasy, and submersion below 10°C (50°F) can lead to cold shock and disrupted breathing patterns, varying by individual.

Daylight

In Port Nolloth, South Africa, the average length of the day in April is 11h and 23min.
On the first day of April, sunrise is at 07:03 and sunset at 18:49. On the last day of the month, sunrise is at 07:20 and sunset at 18:19 SAST.

Sunshine

In Port Nolloth, the average sunshine in April is 9.5h.

UV index

In Port Nolloth, the average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high daily UV index of 5 during April translates into the following directions:
Take necessary precautions - Defending against sun damage is advocated. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.

Frequently asked questions

What are the temperatures in Port Nolloth in April?
In Port Nolloth, 23.3°C (73.9°F) is the average high-temperature and 16.6°C (61.9°F) is the average low-temperature during April.
What is the average humidity in April in Port Nolloth?
In April, the average relative humidity in Port Nolloth is 62%.
How many days does it rain in April in Port Nolloth?
In April, in Port Nolloth, South Africa, the rain falls for 4.9 days. Throughout April, 4mm (0.16") of precipitation is accumulated.
What is the water temperature in April in Port Nolloth?
In Port Nolloth, South Africa, in April, the average water temperature is 14.9°C (58.8°F). Swimming in 14.9°C (58.8°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.
What is the average length of the day in April in Port Nolloth?
The average day length in April in Port Nolloth is 11h and 23min.
When are sunrise and sunset in April in Port Nolloth?
On the first day of April in Port Nolloth, South Africa, sunrise is at 07:03 and sunset at 18:49. On the last day of the month, sunrise is at 07:20 and sunset at 18:19 SAST.
How many hours of sunshine does Port Nolloth have in April?
The average sunshine duration in April in Port Nolloth, South Africa, is 9.5h.
What is the UV index reading in April in Port Nolloth?
In Port Nolloth, the average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in April
Port Nolloth, South Africa
  • Average high temperature in April: 23.3°C

The warmest month (with the highest average high temperature) is February (24.3°C).
The month with the lowest average high temperature is August (18.6°C).

  • Average low temperature in April: 16.6°C

The month with the highest average low temperature is February (18.1°C).
The coldest month (with the lowest average low temperature) is August (12.3°C).

Average pressure in April
Port Nolloth, South Africa
  • Average pressure in April: 1015.9mbar

The month with the highest atmospheric pressure is July (1021.5mbar).
The month with the lowest atmospheric pressure is February (1012.4mbar).

Average wind speed in April
Port Nolloth, South Africa
  • Average wind speed in April: 15.8km/h

The windiest month (with the highest average wind speed) is November (20.3km/h).
The calmest month (with the lowest average wind speed) is May (13.7km/h).

Average humidity in April
Port Nolloth, South Africa
  • Average humidity in April: 62%

The month with the highest relative humidity is January (73%).
The month with the lowest relative humidity is July (60%).

Average rainfall in April
Port Nolloth, South Africa
  • Average rainfall in April: 4mm

The wettest month (with the highest rainfall) is June (9mm).
The driest month (with the least rainfall) is December (1mm).

Average rainfall days in April
Port Nolloth, South Africa
  • Average rainfall days in April: 4.9 days

The month with the highest number of rainy days is June (5.1 days).
The month with the least rainy days is December (2.8 days).

Average sea temperature in April
Port Nolloth, South Africa
  • Average sea temperature in April: 14.9°C

The best month for swimming (with the highest average sea temperature) is January (17.7°C).
The coldest months (with the lowest average sea temperature) are July and August (13.4°C).

Average daylight in April /
Average sunshine in April
Port Nolloth, South Africa
  • Average daylight in April: 11h and 2min

The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 18min).

  • Average sunshine in April: 9h and 3min

The month with the most sunshine is December (Average sunshine: 11h and 48min).
The month with the least sunshine is June (Average sunshine: 9h and 12min).

Average sunshine days in April
Port Nolloth, South Africa
  • Average sunshine days in April: 24.3 days

The months with the most sunshine days are March and May (26.3 days).
The month with the least sunshine days is February (22.3 days).

Average UV index in April
Port Nolloth, South Africa
  • Average UV index in April: 5

The months with the highest UV index are January and February (UV index 6).
The months with the lowest UV index are June and August (UV index 4).

Average cloud cover in April
Port Nolloth, South Africa
  • Average cloud cover in April: 13

The month with the most cloud cover is October (Cloud cover 16).
The months with the least cloud cover are March and July (Cloud cover 12).

Average visibility in April
Port Nolloth, South Africa
  • Average visibility in April: 10km

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).

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