Saint Lucia Estuary
South Africa
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Saint Lucia Estuary, South Africa

May, the last month of the autumn, in Saint Lucia Estuary, is another warm month, with average temperature fluctuating between 24.4°C (75.9°F) and 20.4°C (68.7°F).

Temperature

In May, the average high-temperature is relatively the same as in April - a still moderately hot 24.4°C (75.9°F). In May, the average low-temperature is 20.4°C (68.7°F).

Humidity

The average relative humidity is 74%.

Rainfall

In May, the rain falls for 12.7 days. Throughout May, 43mm (1.69") of precipitation is accumulated. In Saint Lucia Estuary, during the entire year, the rain falls for 196.2 days and collects up to 699mm (27.52") of precipitation.

Sea temperature

In Saint Lucia Estuary, the average water temperature is 24.4°C (75.9°F).
Note: For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 24.4°C (75.9°F).

Daylight

The average length of the day in Saint Lucia Estuary is 10.7h.

Sunshine

In Saint Lucia Estuary, the average sunshine is 6.5h.

UV index

In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in May in Saint Lucia Estuary?

In Saint Lucia Estuary, in May, the average high-temperature is 24.4°C (75.9°F), and the average low-temperature is 20.4°C (68.7°F).

What is the average humidity in May in Saint Lucia Estuary?

In Saint Lucia Estuary, the average relative humidity in May is 74%.

How many days does it rain in May in Saint Lucia Estuary?

In May, the rain falls for 12.7 days. Throughout May, 43mm (1.69") of precipitation is accumulated.

What is the sea temperature in May in Saint Lucia Estuary?

In May, the average sea temperature in Saint Lucia Estuary is 24.4°C (75.9°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 24.4°C (75.9°F).

How many hours of daylight does Saint Lucia Estuary have in May?

In Saint Lucia Estuary, South Africa, the average length of the day in May is 10.7h.

How long on average sun shines in May in Saint Lucia Estuary?

The average sunshine in May is 6.5h.

What is the UV index intensity in May in Saint Lucia Estuary?

The average daily maximum UV index in May in Saint Lucia Estuary is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from the exposure to the Sun's UV radiation.
Average temperature in May - Saint Lucia Estuary, South Africa
  • Average high temperature in May: 24.4°C

The warmest month (with the highest average high temperature) is February (27.2°C).
The month with the lowest average high temperature is July (21.9°C).

  • Average low temperature in May: 20.4°C

The month with the highest average low temperature is February (23.7°C).
The coldest month (with the lowest average low temperature) is July (18°C).

Average humidity in May - Saint Lucia Estuary, South Africa
  • Average humidity in May: 74%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is June (68%).

Average rainfall in May - Saint Lucia Estuary, South Africa
  • Average rainfall in May: 43mm

The wettest month (with the highest rainfall) is December (90mm).
The driest month (with the least rainfall) is July (26mm).

Average rainfall days in May - Saint Lucia Estuary, South Africa
  • Average rainfall days in May: 12.7 days

The month with the highest number of rainy days is December (21.8 days).
The month with the least rainy days is June (9.6 days).

Average sea temperature in May - Saint Lucia Estuary, South Africa
  • Average sea temperature in May: 24.4°C

The best month for swimming (with the highest average sea temperature) is February (27.2°C).
The coldest month (with the lowest average sea temperature) is August (21.7°C).

Average daylight in May / Average sunshine in May - Saint Lucia Estuary, South Africa
  • Average daylight in May: 10.7h

The month with the longest days is December (Average daylight: 13.9h).
The month with the shortest days is June (Average daylight: 10.4h).

  • Average sunshine in May: 6.5h

The month with the most sunshine is February (Average sunshine: 8.8h).
The month with the least sunshine is April (Average sunshine: 5.8h).

Average UV index in May - Saint Lucia Estuary, South Africa
  • Average UV index in May: 6

The month with the highest UV index is January (UV index 7).
Months with the lowest UV index are July, September and October (UV index 5).