July 2021 weather stats for the Western Isles.

Hello and welcome to a look back at our weather in June 2021 – We cover the Western Isles and take a look at the rest of the UK’s weather further down in the blog.

July continued the dry trend across the Western Isles coming in the second driest month of the year so far. We also had the highest temperature of the year so far with 22.8C being recorded at South Uist range. High pressure largely dominated and we did get stuck under a lot of slow moving air which resulted in mist, low cloud and fog.

Stornoway airport and South Uist Met Office site stats.

Stornoway Airport had recorded 138.3 hours of sunshine during July. Making it the 3rd sunniest month of the year so far behind April and May. It was also the sunniest July since 2017 which had 166.4 hours of sunshine.

There was just 32.2 mm of rain making it the second driest month of the year so far. It was the driest July since 2000 at the Stornoway Airport where just 22.7 mm of rain fell.

South Uist range recorded 48 mm of rainfall.

SEPA rainfall Gauges in the Western Isles for July

Birkie Hue – 42 mm

Laxdale Harris – 42.2 mm

Mill Croft – 39.6 mm

Daily records

We bagged 3 daily records during July. Sunniest place in the 3rd and 4th July with 7 and 10.7 hours respectively. Wettest place in the UK on the 16th with 0.6 mm of rain. All these occurred at Stornoway Airport.

Weather Warnings year to date

We had no weather warnings during the month of July. 

The total number of weather warnings to date for the year for the Western Isles stands at 18.

Yellow – 18

Amber – 0

Red – 0

A further break down of the warnings.

Wind – 7

Snow and Ice – 9

Rain – 0

Thunderstorms – 0

Wind and snow – 0

Ice – 2

The highest and low temps of the month

Stornoway – High1 9.7C and low 9.3C

South Uist – High 22.8C – low 10.9C

Temperature graphs for the month for Stornoway and South Uist

Met Office UK wide stats.

This image below highlights how dry it was compared to average across the Western Isles. Large parts of England were above average for rainfall during July.

A map showing the rainfall across the UK versus the average for July 2021. It shows many southern areas had above average rainfall, while western areas, especially Northern Ireland and western Scotland, had below average rainfall.

We were above average for sunshine here in the Western Isles But for many Eastern areas it was well below average.

A map of the UK showing average sunshine duration for regions versus the long term average. The map shows many western areas had above average hours of sunshine in the month, especially western Scotland. Eastern areas have closer to average sunshine hours.

More can be found here https://blog.metoffice.gov.uk/

Thank you for reading. Any Feedback is welcome

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