The highest day temperature in May 2026 was 71°F. The lowest night temperature was 27°F. The average values for day and night temperatures during May were 56.2°F и 44.8°F respectivly.

The average sea surface temperature in May 2026 for Stateline was 54.6°F. The maximum and minimum values were 48.6°F and 58.4°F respectively.

Most of the days in May are sunny but you can also expect cloudy and gloomy days.

Precipitation total in May for Stateline is 0.5 in.

The average wind speed in May is 6.6 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Stateline in May is 11.0 hours.