4K or Ultra HD. Let's start at the top of the current TV market: 4K. This is a good place to begin, as it lets us talk about the basis for the vast majority of the confusion when it comes to resolution. The short version is this: When it comes to TVs, 4K and Ultra HD (or UHD) are referring to the same resolution.
Weather in Hilton Head Island in March. The average maximum daytime temperature in Hilton Head Island in March is a comfortable 20Â°C (68Â°F). There are usually 8 hours of bright sunshine each day, which represents 63% of the 12 hours of daylight. The average sea temperature in and around Hilton Head Island in March is 16Â°C (61Â°F). Expect 104mm (4.1 inches) of rainfall across the whole of March with 9 days with some rain falling. Maximum UV levels will be high (7 UV index) at midday when the skies are clear.
Key weather averages for Hilton Head Island in May. 1  28. 28Â°C max day temperature. 2  9. 9 hours of sunshine per day. 3  9. 9 days with some rainfall. 4  18. 18Â°C min night temperature. 5  14. 14 hours of daylight per day. 6  M. 7  101. 101 mm of monthly rainfall. 8  10. 10 (Very High) UV index. 9  23. 23Â°C sea temperature.