Stornoway, United Kingdom: Annual Weather Averages

July is the hottest month in Stornoway with an average temperature of 13°C (55°F) and the coldest is January at 4°C (39°F). The wettest month is January with an average of 140mm of rain. .

Average Temperature: Stornoway

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 4 4 5 7 9 11 13 12 10 8 6 6
°F 39 39 41 44 48 52 55 53 50 46 42 42

Average High/Low Temperature: Stornoway

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High °C 6 6 7 9 12 14 16 15 14 11 8 7
Low °C 2 2 3 4 6 8 10 8 6 4 3 4
High °F 43 43 45 48 54 57 61 59 57 52 46 45
Low °F 36 36 37 39 43 46 50 46 43 39 37 39

Average Rainfall: Stornoway

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 140 90 110 60 50 60 70 90 130 140 140 120
Days 28 26 28 25 24 25 26 27 25 28 28 26

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