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Irvine, Scotland climate
Cfb Oceanic / temperate
Irvine has a mildly seasonal cool-temperate climate (Oceanic / temperate, Köppen Cfb). The hottest month is July with an average daily high near 19°C, while the coldest is January averaging around 1°C at night. Around 968 mm of precipitation falls each year, peaking in October (108 mm) and easing off in April (53 mm). At latitude 56°N, day length swings from 6.8 hours in midwinter to 17.2 hours at midsummer.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Irvine climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 7 | 8 | 9 | 12 | 15 | 17 | 19 | 18 | 16 | 13 | 10 | 8 |
| Avg temp (°C) | 4 | 5 | 6 | 8 | 11 | 13 | 15 | 15 | 13 | 9 | 7 | 5 |
| Avg low (°C) | 1 | 1 | 3 | 4 | 6 | 9 | 11 | 11 | 9 | 6 | 3 | 1 |
| Precipitation (mm) | 93 | 76 | 69 | 53 | 60 | 68 | 76 | 90 | 74 | 108 | 102 | 99 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 7 | 8 | 9 | 12 | 15 | 17 |
| Avg temp (°C) | 4 | 5 | 6 | 8 | 11 | 13 |
| Avg low (°C) | 1 | 1 | 3 | 4 | 6 | 9 |
| Precipitation (mm) | 93 | 76 | 69 | 53 | 60 | 68 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 19 | 18 | 16 | 13 | 10 | 8 |
| Avg temp (°C) | 15 | 15 | 13 | 9 | 7 | 5 |
| Avg low (°C) | 11 | 11 | 9 | 6 | 3 | 1 |
| Precipitation (mm) | 76 | 90 | 74 | 108 | 102 | 99 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 77 | 75 | 75 | 73 | 71 | 78 | 78 | 77 | 74 | 75 | 75 | 75 |
| Relative humidity (%) | 94 | 93 | 91 | 87 | 84 | 84 | 85 | 87 | 89 | 91 | 93 | 94 |
| Wind speed (km/h) | 17.7 | 17.3 | 16.1 | 14.0 | 13.2 | 12.2 | 11.7 | 12.0 | 13.4 | 14.7 | 15.6 | 16.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 77 | 75 | 75 | 73 | 71 | 78 |
| Relative humidity (%) | 94 | 93 | 91 | 87 | 84 | 84 |
| Wind speed (km/h) | 17.7 | 17.3 | 16.1 | 14.0 | 13.2 | 12.2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 78 | 77 | 74 | 75 | 75 | 75 |
| Relative humidity (%) | 85 | 87 | 89 | 91 | 93 | 94 |
| Wind speed (km/h) | 11.7 | 12.0 | 13.4 | 14.7 | 15.6 | 16.1 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 28 years of daily observations at Prestwick Rnas, a weather station, about 12 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.