Climate in Jersey

Jersey has a relatively uniform climate throughout the country. Annual temperatures range from lows of 1°C in the coldest regions to highs of 15°C in the warmest areas. Precipitation is relatively consistent across the country, ranging between 220mm and 308mm annually. Snow is common across the country during winter months. Conditions across Jersey are broadly cool, with only modest differences between regions.

Temperature patterns across Jersey vary by region, with distinct differences between areas. The Central is the warmest part of the country, with peak temperatures reaching 15°C and an annual average of 8°C. Cooler conditions are found in the Central, where winter lows drop to 1°C and an annual average of 7°C. Regional temperature differences remain relatively consistent across seasons, with around 1°C of variation in both summer and winter. For example, Saint John in the Saint John averages 8°C annually, while Saint Helier in the Saint Helier averages 7°C.

Precipitation across Jersey is moderately consistent, with regional totals ranging between 220mm and 308mm annually. The Central receives the most rainfall, at approximately 308mm annually. The Central is the driest, with around 220mm per year. Winter tends to be the wetter season across most of Jersey, though precipitation occurs throughout the year. All regions receive notable snowfall during winter, though amounts vary between areas. Rainfall is similar across regions, so travellers can expect comparable conditions regardless of which part of Jersey they visit.