over the course of may, the length of the day is essentially constant - the shortest day of the month is may 31st with 10:50 hours of daylight, while the longest day is may 1st with 11:15 hours of daylight.

may 1st has the earliest sun rise of the month at 6:13am and the latest sunset of the month at 5:27pm while the latest sunrise is at 6:26am on may 31st, and the earliest sunset is at 5:15pm on may 29th.

this link gives access to detailed  daily, weekly, and monthly weather forecasts, as well as sunrise and sunset times.