The weather in April in Saint Helier

It's cool in April in Saint Helier with an average temperature of 14°C. Temperatures this month range from a low of 12°C to a high of 17°C. At night, you can expect temperatures between 6°C and 9°C.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in April for Saint Helier, Jersey. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 25°C in 2020, Saint Helier reached the highest temperature in April over the past 10 years. The lowest daytime temperature in this month was 7°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 1°C to a highest value of 15°C.

Water temperature

The water temperature at Saint Helier is 12°C this month. This is too cold to swim without protective gear.

Rainfall amount

In April, there is an average of 26 mm of precipitation, spread over 7 days. The wind speed is around 4 Bft, mostly coming from the Southeast.

Daily weather in April for Saint Helier

Click on any day in April to get detailed info about the usual weather on that day in Saint Helier. Check out the historical temperatures and precipitation over the past 10 years on this day.

April weather comparison

  Saint Helier New York
Average temperature 14°C 17°C
Max. temperature 17°C 22°C
Min. temperature 6°C -5°C
Total precipitation 26 mm 81 mm
Rainy days 7 days 11 days

Start of April

The month of April starts in Saint Helier with cool temps, averaging around 13°C during the day and nights around 8°C.

Mid April

By mid-April, daytime temps rise to around 15°C, with nights around 8°C. Not much precipitation expected during this period. It’s mostly dry and sunny.

End of April

By the end of April, the average daytime temperature in Saint Helier is around 15°C, while nighttime temps are about 9°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.

UV index

The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of Saint Helier for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in April in Saint Helier, Jersey. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in April in Saint Helier

Temperature in April in Saint Helier over the years

Precipitation charts

These charts show the average amount of precipitation in April in Saint Helier, Jersey. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in April in Saint Helier

Total precipitation in April in Saint Helier over the years

Daily UV index in April in Saint Helier

This chart shows the average daily UV index in April in Saint Helier, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in April in Saint Helier

Have you been to Saint Helier in April?

Share your weather experience in April in Saint Helier.

Your email will not be shown in the review and will not be shared with others.

Average weather in Saint Helier by month

Click on a month below to see detailed weather info for Saint Helier. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.