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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 65°F, while the coldest is January averaging around 35°F at night. Around 38 inches of precipitation falls each year, peaking in October (4.2 inches) and easing off in April (2.1 inches). 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 (°F) | 45 | 46 | 49 | 54 | 59 | 63 | 65 | 65 | 62 | 56 | 50 | 46 |
| Avg temp (°F) | 40 | 40 | 43 | 46 | 51 | 56 | 58 | 58 | 55 | 49 | 44 | 40 |
| Avg low (°F) | 35 | 35 | 37 | 39 | 43 | 48 | 52 | 51 | 47 | 42 | 37 | 35 |
| Precipitation (in) | 3.6 | 3.0 | 2.7 | 2.1 | 2.3 | 2.7 | 3.0 | 3.6 | 2.9 | 4.2 | 4.0 | 3.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 45 | 46 | 49 | 54 | 59 | 63 |
| Avg temp (°F) | 40 | 40 | 43 | 46 | 51 | 56 |
| Avg low (°F) | 35 | 35 | 37 | 39 | 43 | 48 |
| Precipitation (in) | 3.6 | 3.0 | 2.7 | 2.1 | 2.3 | 2.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 65 | 65 | 62 | 56 | 50 | 46 |
| Avg temp (°F) | 58 | 58 | 55 | 49 | 44 | 40 |
| Avg low (°F) | 52 | 51 | 47 | 42 | 37 | 35 |
| Precipitation (in) | 3.0 | 3.6 | 2.9 | 4.2 | 4.0 | 3.9 |
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 (mph) | 11.0 | 10.8 | 10.0 | 8.7 | 8.2 | 7.6 | 7.2 | 7.4 | 8.3 | 9.1 | 9.7 | 10.0 |
| 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 (mph) | 11.0 | 10.8 | 10.0 | 8.7 | 8.2 | 7.6 |
| 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 (mph) | 7.2 | 7.4 | 8.3 | 9.1 | 9.7 | 10.0 |
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.