April weather forecast
Isles of Scilly, United Kingdom

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Weather in April

As April enters Isles of Scilly, the United Kingdom, the transformation from winter concludes, and spring becomes evident. The average temperature experiences a noteworthy increase, starting to hit the double-digit mark. As atmospheric stabilization continues, the wind speed decreases to 26.3km/h. Consequently, April presents perfect conditions to explore and enjoy the scenic beauty of Isles of Scilly.

Temperature

Isles of Scilly in April witnesses an average high-temperature of a fresh 10.8°C, indicating a slight variation from March's 9.8°C. Isles of Scilly's nocturnal April readings average at a chilly 9.2°C, showing little variation from the daytime temperatures.

Humidity

The average relative humidity in April is 82%.

Rainfall

In Isles of Scilly, during April, the rain falls for 14.8 days and regularly aggregates up to 40mm of precipitation. In Isles of Scilly, during the entire year, the rain falls for 200.8 days and collects up to 599mm of precipitation.

Snowfall

January, February, April through September, November and December are months without snowfall in Isles of Scilly.

Sea temperature

In Isles of Scilly, United Kingdom, in April, the average water temperature is 10.8°C.
Note: Dipping into 10.8°C below 10°C is possible with the right protection; absent that, anticipate cold shock and hampered breathing. Swimming momentarily at 13°C can be jarring.

Daylight

In April, the average length of the day in Isles of Scilly, United Kingdom, is 13h and 48min.
On the first day of the month, sunrise is at 7:02 am and sunset at 7:56 pm. On the last day of April, sunrise is at 6:03 am and sunset at 8:41 pm BST.

Sunshine

In April, the average sunshine is 8.3h.

UV index

The months with the lowest UV index in Isles of Scilly are January through April, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 3 during April leads to these instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average April temperature in Isles of Scilly?

Isles of Scilly in April has an average high-temperature of 10.8°C and an average low-temperature of 9.2°C.

What is the average humidity in April in Isles of Scilly?

The average relative humidity in April in Isles of Scilly, United Kingdom, is 82%.

How many days does it rain in April in Isles of Scilly?

In Isles of Scilly, United Kingdom, in April, during 14.8 rainfall days, 40mm of precipitation is typically accumulated.

When it does not snow in Isles of Scilly?

In Isles of Scilly, snow does not fall in January, February, April through September, November and December.

Does it snow in Isles of Scilly in April?

In April, it doesn't snow. March is the latest month when it typically snows.

How cold is the water in April in Isles of Scilly?

In Isles of Scilly, United Kingdom, in April, the average water temperature is 10.8°C. At temperatures below 10°C, swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C is not comfortable.

What is the average length of the day in April in Isles of Scilly?

In Isles of Scilly, United Kingdom, the average day length in April is 13h and 48min.

What time are sunrise and sunset in April in Isles of Scilly?

In April, on the first day of the month, sunrise is at 7:02 am and sunset at 7:56 pm. On the last day of the month, in Isles of Scilly, United Kingdom, sunrise is at 6:03 am and sunset at 8:41 pm BST.

How long on average sun shines in April in Isles of Scilly?

In April, the average sunshine duration in Isles of Scilly is 8.3h.

What are the months with the lowest UV index in Isles of Scilly?

The months with the lowest UV index in Isles of Scilly are January through April, November and December, with an average maximum UV index of 3.

How high is the UV index in April in Isles of Scilly?

In Isles of Scilly, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Isles of Scilly, United Kingdom

Average temperature in April - Isles of Scilly, United Kingdom
  • Average high temperature in April: 10.8°C

The warmest month (with the highest average high temperature) is August (17.2°C).
The month with the lowest average high temperature is February (9.7°C).

  • Average low temperature in April: 9.2°C

The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is February (7.9°C).

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Average pressure in April
Isles of Scilly, United Kingdom

Average pressure in April - Isles of Scilly, United Kingdom
  • Average pressure in April: 1015.3mbar

The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).

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Average wind speed in April
Isles of Scilly, United Kingdom

Average wind speed in April - Isles of Scilly, United Kingdom
  • Average wind speed in April: 26.3km/h

The windiest month (with the highest average wind speed) is December (35.9km/h).
The calmest month (with the lowest average wind speed) is July (23.8km/h).

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Average humidity in April
Isles of Scilly, United Kingdom

Average humidity in April - Isles of Scilly, United Kingdom
  • Average humidity in April: 82%

The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are January, February, November and December (78%).

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Average rainfall in April
Isles of Scilly, United Kingdom

Average rainfall in April - Isles of Scilly, United Kingdom
  • Average rainfall in April: 40mm

The wettest month (with the highest rainfall) is November (86mm).
The driest month (with the least rainfall) is May (29mm).

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Average rainfall days in April
Isles of Scilly, United Kingdom

Average rainfall days in April - Isles of Scilly, United Kingdom
  • Average rainfall days in April: 14.8 days

The month with the highest number of rainy days is November (21.3 days).
The month with the least rainy days is June (13.1 days).

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Average snowfall days in April
Isles of Scilly, United Kingdom

Average snowfall days in April - Isles of Scilly, United Kingdom
  • Average snowfall days in April: 0 days

The month with the highest number of snowfall days is March (0.2 days).
The months with the least snowfall days are January, February, April, May, June, July, August, September, November and December (0 days).

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Average sea temperature in April
Isles of Scilly, United Kingdom

Average sea temperature in April - Isles of Scilly, United Kingdom
  • Average sea temperature in April: 10.8°C

The best month for swimming (with the highest average sea temperature) is August (17.3°C).
The coldest month (with the lowest average sea temperature) is March (10.1°C).

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Average daylight in April /
Average sunshine in April
Isles of Scilly, United Kingdom

Average daylight in April / Average sunshine in April - Isles of Scilly, United Kingdom
  • Average daylight in April: 13h and 5min

The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in April: 8h and 2min

The month with the most sunshine is May (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).

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Average sunshine days in April
Isles of Scilly, United Kingdom

Average sunshine days in April - Isles of Scilly, United Kingdom
  • Average sunshine days in April: 12.7 days

The month with the most sunshine days is June (15 days).
The month with the least sunshine days is November (5.7 days).

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Average UV index in April
Isles of Scilly, United Kingdom

Average UV index in April - Isles of Scilly, United Kingdom
  • Average UV index in April: 3

The month with the highest UV index is August (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).

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Average cloud cover in April
Isles of Scilly, United Kingdom

Average cloud cover in April - Isles of Scilly, United Kingdom
  • Average cloud cover in April: 44

The months with the most cloud cover are January and December (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 44).

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Average visibility in April
Isles of Scilly, United Kingdom

Average visibility in April - Isles of Scilly, United Kingdom
  • Average visibility in April: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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Isles of Scilly, United Kingdom

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