The highest day temperature in April 2025 was 71°F. The lowest night temperature was 28°F. The average values for day and night temperatures during April were 55.5°F и 44.5°F respectivly.

The average sea surface temperature in April 2025 for St Constantine and Helena was 50.2°F. The maximum and minimum values were 45.0°F and 55.6°F respectively.

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

Precipitation total in April for St Constantine and Helena is 1.3 in.

The average wind speed in April is 9.5 mph. It makes April one of the most windless months of the year for St Constantine and Helena.

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 St Constantine and Helena in April is 8.7 hours.