The highest day temperature in May 2023 was 89°F. The lowest night temperature was 35°F. The average values for day and night temperatures during May were 69.7°F и 53.9°F respectivly.

The average sea surface temperature in May 2023 for Oak Park was 50.1°F. The maximum and minimum values were 42.6°F and 56.6°F respectively.

You can expect various weather conditions during May. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in May for Oak Park is 1.8 in. It makes may the most rainy month of the year.

The average wind speed in May is 7.8 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 Oak Park in May is 7.5 hours.