June weather forecast
Sámara, Costa Rica

Seasonal shifts in June bring about changes in Sámara, Costa Rica's weather. While June introduces marginally cooler temperatures, it also presents a notable increase in relative humidity to 83%. Despite the city weathering a wet spell, it still enjoys an average of 9.2 sunshine hours a day. As clouds start to dominate the sky, a constant UV index level of 7 and a somewhat calmer wind flow manage to maintain the balance between sun and rain. Overall, June marks itself as one of the wettest months in Sámara, Costa Rica.

Temperature

The ushering in of June brings an average high-temperature of a warm 29.6°C (85.3°F), closely mirroring the 30.7°C (87.3°F) of May. Throughout the month of June, Sámara reports a steady low-temperature average of 24.5°C (76.1°F).

Heat index

June's mean heat index is calculated to be a torrid 37°C (98.6°F). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

In Sámara, the average relative humidity in June is 83%.

Rainfall

In Sámara, during June, the rain falls for 23.4 days and regularly aggregates up to 139mm (5.47") of precipitation. Throughout the year, there are 205 rainfall days, and 1087mm (42.8") of precipitation is accumulated.

Sea temperature

In Sámara, in June, the average water temperature is 28.8°C (83.8°F).
Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are regarded as very warm, ensuring all water activities are pleasurable for extended periods without feeling uneasy.

Daylight

June has the longest days of the year in Sámara, with an average of 12h and 42min of daylight.
On the first day of June, sunrise is at 05:20 and sunset at 18:00. On the last day of the month, sunrise is at 05:25 and sunset at 18:06 CST.

Sunshine

The average sunshine in June in Sámara is 9.2h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Sámara, Costa Rica, are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.
Note: In June, the UV index of 7 transforms into the following advice:
Shun overexposure. Protection from sun ravages is indispensable. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be mindful! Sand and water reflections can up the Sun's UV exposure.