The highest day temperature in May 2025 was 89°F. The lowest night temperature was 54°F. The average values for day and night temperatures during May were 75.4°F и 62.7°F respectivly.

The average sea surface temperature in May 2025 for Lagan was 63.5°F. The maximum and minimum values were 55.2°F and 68.2°F respectively.

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

Precipitation total in May for Lagan is 1.0 in. It makes may one of the most rainy months of the year.

The average wind speed in May is 12.5 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 Lagan in May is 10.9 hours.