Temperatures in April
It's cool in April in Sully Island with an average temperature of 13°C. Temperatures this month range from a low of 11°C to a high of 17°C. At night, you can expect temperatures between 4°C and 7°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Sully Island in April. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of April
The month of April starts in Sully Island with cool temperatures, averaging around 13°C during the day and nights close to 6°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-April
By mid-April, the average daytime temperature rises to around 14°C, with nights close to 6°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of April
By the end of April, the average daytime temperature in Sully Island will be around 14°C, with nights close to 7°C. A shower might show up, but overall the weather will be dry and sunny.
Precipitation in April
In April, there is an average of 45 mm of precipitation, spread over 10 days. The wind speed is around 4 Bft, mostly coming from the South.
The average precipitation chance is 32% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in April for Sully Island. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Sully Island in April |
London | ||
|---|---|---|---|
 Average Temperature |
13°C | 15°C | |
 High Temp |
17°C | 18°C | |
| Low Temp |
11°C | 12°C | |
 Total Precipitation |
45 mm | 29 mm | |
| Rainy Days |
10 days | 7 days | |
March
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Temperature records for Sully Island in April
With 22°C, Sully Island hit the highest temperature in the last 10 years in April 2020. The lowest daytime temperature in this month was 6°C in 2021. The extreme night temperatures ranged from a low of -5°C to a high of 12°C.
Check out the climate of Sully Island for all months and discover the best travel time
Daily Temperature in April in Sully Island
This chart shows the average daily temperatures, both day and night, for each day in April in Sully Island, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in April in Sully Island
The chart below shows the average daily precipitation in April for Sully Island, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for April, you can expect around 10 days of rain in Sully Island.
Daily UV Index in April in Sully Island
This chart shows the average daily UV index in April in Sully Island, 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.
Temperature in April in Sully Island Over the Years
This chart shows the average temperature in April in Sully Island, measured in degrees Celsius, over the past years.
Total Precipitation in April in Sully Island Over the Years
This chart shows the average precipitation in April in Sully Island, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in April for Sully Island
Click on a specific day in April for detailed info on the typical weather on that day in Sully Island. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in April in Sully Island
Have you been to Sully Island in April?
Share your weather experience in April in Sully Island.
Average Weather in Sully Island by Month
Click on a month below to see detailed weather info for Sully Island. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Sully Island for all months at once
