In principle, arbitrarily far. The velocity decreases with the distance because the attractive gravitational acceleration has to match the centrifugal one, $$ \frac{GM_\text{Earth}}{R^2} = \frac{v^2}{R},\quad v = \sqrt{\frac{GM}{R}} $$ for a circular orbit. So the velocity decreases with the distance as a power law but it never gets zero.
Whitby: Annual Weather Averages. The most daily sunshine hours in Whitby are 9 in June. The best month to swim in the sea is in August when the average sea temperature is 16Â°C (61Â°F).he most daily sunshine hours in Whitby are 9 in June. The best month to swim in the sea is in August when the average sea temperature is 16Â°C (61Â°F).
Key weather averages for Sydney in June. 1  18. 18Â°C max day temperature. 2  6. 6 hours of sunshine per day. 3  11. 11 days with some rainfall. 4  9. 9Â°C min night temperature. 5  10. 10 hours of daylight per day. 6  0. No heat & humidity. 7  151. 151 mm of monthly rainfall. 8  2. 2 (Low) UV index. 9  19. 19Â°C sea temperature.