June weather forecast
Ascension Island, Saint Helena, Ascension and Tristan da Cunha

June presents an appealing balance of warmth, sunshine, and minimal rainfall. Lower temperatures touch 23°C (73.4°F) which creates moderately cooler evenings. Water temperatures recede to 27°C (80.6°F), allowing for soothing swims. The length of daylight tapers off slightly as the days of summer roll by. July weather carries on with this trend, only a touch cooler.

Temperature

June ushers in an average high-temperature of a still hot 30°C (86°F) in Ascension Island, aligning closely with the preceding month. An average nighttime temperature of 23°C (73.4°F) is noted in Ascension Island during the month of June.

Heat index

The heat index value for June is calculated to be a sweltering 35°C (95°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is a composite of temperature and humidity figures to convey how warm it feels. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly important for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

In June, the average relative humidity in Ascension Island is 68%.

Rainfall

In June, in Ascension Island, the rain falls for 3 days. Throughout June, 15mm (0.59") of precipitation is accumulated. In Ascension Island, during the entire year, the rain falls for 30 days and collects up to 142mm (5.59") of precipitation.

Sea temperature

In Ascension Island, in June, the average water temperature is 27°C (80.6°F).
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

With an average of 11h and 42min of daylight, June has the shortest days of the year in Ascension Island.
On the first day of June, sunrise is at 07:04 and sunset at 18:46. On the last day of the month, sunrise is at 07:11 and sunset at 18:51 GMT.

Sunshine

In June, the average sunshine is 8.7h.

UV index

June and July, with an average maximum UV index of 9, are months with the lowest UV index in Ascension Island. A UV Index of 8 to 10 symbolizes a very high health hazard from unsafe exposure to UV radiation for average individuals.
Note: In June, the maximum UV index of 9 translates into these guidelines:
Always be mindful of protection. The risk of damage to skin and eyes is significant if neglected. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Directly after outdoor activities or swimming, a broad-spectrum sunscreen with SPF 30+ should be applied generously and reapplied frequently. Be on guard! The reflective nature of sand and water boosts UV exposure.