Islay and Jura climate by month
Warmest month: July (highs about 17°C). Coolest: January (about 8°C). Wettest: October (143 mm). Driest: May (70 mm).
Source: Met Office, Islay: Port Ellen, 1991-2020 averages (Open Government Licence v3.0). Daylight is calculated from the latitude of Islay and Jura for the 15th of each month. The Met Office names Islay: Port Ellen for the geohash of Bowmore. It publishes no sunshine figures for this station, so sunshine is left blank. Jura, hillier and further east, is not measured by it.