Willemstad
Curaçao
Long-term weather forecast
Long-term weather forecast

June weather forecast and climate
Willemstad, Curaçao

The organized harbor city of Willemstad in Curaçao, with two small ships at the docks
The organized harbor city of Willemstad in Curaçao, with two small ships at the docks
June, the first month of the summer, in Willemstad, is still a tropical month, with temperature in the range of an average low of 26.4°C (79.5°F) and an average high of 32°C (89.6°F).
The ideal sea water temperature of 28°C (82.4°F) and only 3 rainfall days, with 19.3mm (0.8") of accumulated rainfall, make June the best time for swimming and other water activities.

Temperature

In June, the average high-temperature in Willemstad is relatively the same as in May - a still hot 32°C (89.6°F). In Willemstad, the average low-temperature is 26.4°C (79.5°F).

Heat index

The average heat index is estimated at an extremely hot 43.2°C (109.8°F). Beware - heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'apparent temperature', or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like activity, differences in body mass, height, and shape, pregnancy, and clothing affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In June, the average relative humidity in Willemstad is 77.1%.

Rainfall

In Willemstad, in June, it is raining for 3 days, with typically 19.3mm (0.8") of accumulated precipitation. Throughout the year, in Willemstad, there are 69.4 rainfall days, and 553.4mm (21.8") of precipitation is accumulated.

Sea temperature

In Willemstad, in June, the average water temperature is 28°C (82.4°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

June and July, with an average of 12.8h of daylight, are months with the longest days in Willemstad.

Sunshine

The average sunshine in June is 8.9h.

UV index

February through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index of 11, and more, symbolizes an extreme threat to health from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 12 transform into the following instructions:
Practice all essential precautions. Protection against sun damage is crucial. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in June in Willemstad?

In Willemstad, Curaçao, in June, the average high-temperature is 32°C (89.6°F), and the average low-temperature is 26.4°C (79.5°F). In June, the average heat index (a.k.a. 'real feel', 'apparent temperature'), that factores the actual air temperature with the relative humidity, is evaluated at 43.2°C (109.8°F).

What is the average humidity in June in Willemstad?

In Willemstad, Curaçao, the average relative humidity in June is 77.1%.

How many days does it rain in June in Willemstad?

In Willemstad, Curaçao, in June, during 3 rainfall days, 19.3mm (0.8") of precipitation is typically accumulated.

What is the water temperature in June in Willemstad?

In June, the average sea temperature is 28°C (82.4°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

When are the longest days in Willemstad?

Months with the longest days are June and July, with an average of 12.8h of daylight.

What is the average length of the day in June in Willemstad?

The average length of the day in June in Willemstad, Curaçao, is 12.8h.

How many hours of sunshine does Willemstad have in June?

In June, the average sunshine in Willemstad is 8.9h.

When is the highest UV index in Willemstad?

February through September, with an average maximum UV index of 12, are months with the highest UV index in Willemstad, Curaçao.

What is the UV index intensity in June in Willemstad?

The average daily maximum UV index in June in Willemstad, Curaçao, is 12. A UV Index value of 11, and more, symbolizes an extreme health threat from unprotected exposure to the UV radiation.
Average temperature in June - Willemstad, Curaçao
  • Average high temperature in June: 32°C

The warmest month (with the highest average high temperature) is September (32.6°C).
The month with the lowest average high temperature is January (29.7°C).

  • Average low temperature in June: 26.4°C

The month with the highest average low temperature is September (26.5°C).
The coldest month (with the lowest average low temperature) is January (24.3°C).

Average humidity in June - Willemstad, Curaçao
  • Average humidity in June: 77.1%

The month with the highest relative humidity is November (79.6%).
The month with the lowest relative humidity is March (76.1%).

Average rainfall in June - Willemstad, Curaçao
  • Average rainfall in June: 19.3mm

The wettest month (with the highest rainfall) is December (99.8mm).
The driest month (with the lowest rainfall) is March (14.2mm).

Average rainfall days in June - Willemstad, Curaçao
  • Average rainfall days in June: 3 days

The month with the highest number of rainy days is December (11.5 days).
The month with the lowest number of rainy days is May (2 days).

Average sea temperature in June - Willemstad, Curaçao
  • Average sea temperature in June: 28°C

Best months for swimming (with the highest average sea temperature) are September and October (29°C).
Coldest months (with the lowest average sea temperature) are February and March (26°C).

Average daylight in June / Average sunshine in June - Willemstad, Curaçao
  • Average daylight in June: 12.8h

Months with the longest days are June and July (Average daylight: 12.8h).
The month with shortest days is December (Average daylight: 11.4h).

  • Average sunshine in June: 8.9h

The month with most sunshine is August (Average sunshine: 9.5h).
The month with least sunshine is December (Average sunshine: 7.8h).

Average UV index in June - Willemstad, Curaçao
  • Average UV index in June: 12

Months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).