The highest day temperature in May 2025 was 70°F. The lowest night temperature was 29°F. The average values for day and night temperatures during May were 54.8°F и 40.7°F respectivly.

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

Precipitation total in May for Cesis is 2.3 in. It makes may one of the most rainy months of the year.

The average wind speed in May is 7.2 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 Cesis in May is 9.7 hours.