June weather forecast
Galveston, TX

The heat continues to intensify as Galveston, Texas moves deeper into summer. Noticeably, the sea gets warmer, reaching a welcoming 83.9°F, making the water almost irresistible for swimming and diving. June is indeed a sunny and lively month, despite the humidity and rain which also begin to increase. As the days get hotter and sunnier, people are advised to mitigate against excessive UV radiation, which hits a yearly peak of 7. However, the winds slow down, inducing a calming effect overall.

Temperature

Galveston's transition into June brings a slight rise in the average high-temperature, moving from 79.3°F in May to a still moderately hot 84.7°F. Galveston, during the nights of June, averages a temperature close to its daytime high, at a still warm 79.5°F.

Heat index

The heat index value for June is computed to be a fiery hot 95°F. More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.

Humidity

In Galveston, the average relative humidity in June is 77%.

Rainfall

In Galveston, during June, the rain falls for 14.2 days and regularly aggregates up to 2.68" of precipitation. In Galveston, during the entire year, the rain falls for 161.9 days and collects up to 24.33" of precipitation.

Snowfall

In Galveston, snow does not fall in March through December.

Ocean temperature

In Galveston, the average seawater temperature in June is 83.8°F.
Note: Swimming, diving, and other water activities in the temperature range of 77°F to 84.2°F are perceived as very enjoyable and comfortable for prolonged durations.

Daylight

With an average of 14h and 0min of daylight, June has the longest days of the year in Galveston.
On the first day of June in Galveston, Texas, sunrise is at 6:20 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 8:22 pm CDT.

Sunshine

The average sunshine in June is 10.8h.

UV index

The months with the highest UV index in Galveston, Texas, are May through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 7 in June converts into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be on guard! The reflective nature of sand and water boosts UV exposure.