Monthly weather forecast and climate
Isles of Scilly, United Kingdom

What is the coldest month in Isles of Scilly?

Coldest months are January and February, with an average high-temperature of 9.7°C (49.5°F).

How many days does it rain in Isles of Scilly?

In Isles of Scilly, United Kingdom, during the entire year, the rain falls for 138.1 days, and collects up to 865.1mm (34.1") of precipitation.

What is the driest month in Isles of Scilly?

May and June are months with the least rain in Isles of Scilly when the rain falls for 8.5 days and typically aggregates up to 47.8mm (1.9") of rain.

What is the warmest month in Isles of Scilly?

August is the warmest month, with an average high-temperature of 19.7°C (67.5°F) and an average low-temperature of 14.1°C (57.4°F).

What is the wettest month in Isles of Scilly?

The month with the most rainfall is December when the rain falls for 15.2 days and typically aggregates up to 98.2mm (3.9") of precipitation.
Average temperature - Isles of Scilly, United Kingdom
Average rainfall - Isles of Scilly, United Kingdom

The wettest month (with the highest rainfall) is December (98.2mm).
Driest months (with the lowest rainfall) are May and June (47.8mm).

Average rainfall days - Isles of Scilly, United Kingdom

The month with the highest number of rainy days is December (15.2 days).
The month with the lowest number of rainy days is June (6.9 days).

Average sea temperature - Isles of Scilly, United Kingdom

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).

Average daylight / Average sunshine - Isles of Scilly, United Kingdom
Average UV index - Isles of Scilly, United Kingdom
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