Jersey Climate
Climate Zone and Historical Climate Data
Jersey Climatic Classifications
| Code | Description | Group | Number of states/regions | States/regions |
|---|---|---|---|---|
| Cfb | Marine west coast, warm summer | Temperate | 12 | Grouville Saint Brelade Saint Clement Saint Helier Saint John Saint Lawrence Saint Martin Saint Mary Saint Peter Saint Quen Saint Saviour Trinity |
Summary: Most regions (12) in Jersey lie in the Marine west coast, warm summer climate zone (Köppen: Cfb). The mean average of annual temperatures range from a high of 12.52°C (54.54°F) in Grouville to a low of 12.41°C (54.34°F) in Saint Mary.
Climate Jersey: Weather By Month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Nov | Oct | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Record high °C (°F) | 9.48(49.06) | 8.94(48.09) | 9.77(49.59) | 11.26(52.27) | 13.11(55.6) | 15.55(59.99) | 17.4(63.32) | 17.94(64.29) | 17.48(63.46) | 15.55(59.99) | 12.75(54.95) | 10.94(51.69) | 17.94(64.29) |
| Average high °C (°F) | 9.37(48.87) | 8.84(47.91) | 9.69(49.44) | 11.25(52.25) | 13.08(55.54) | 15.5(59.9) | 17.4(63.32) | 17.91(64.24) | 17.38(63.28) | 15.4(59.72) | 12.62(54.72) | 10.81(51.46) | 13.27(55.89) |
| Daily mean °C (°F) | 8.63(47.53) | 8.03(46.45) | 8.81(47.86) | 10.39(50.7) | 12.26(54.07) | 14.69(58.44) | 16.66(61.99) | 17.19(62.94) | 16.48(61.66) | 14.55(58.19) | 11.85(53.33) | 10.12(50.22) | 12.47(54.45) |
| Average low °C (°F) | 7.28(45.1) | 6.91(44.44) | 7.67(45.81) | 9.18(48.52) | 11.15(52.07) | 13.41(56.14) | 15.5(59.9) | 16.13(61.03) | 15.31(59.56) | 13.4(56.12) | 10.58(51.04) | 8.88(47.98) | 11.28(52.3) |
| Record low °C (°F) | 7.26(45.07) | 6.84(44.31) | 7.59(45.66) | 9.05(48.29) | 11.13(52.03) | 13.39(56.1) | 15.41(59.74) | 16.02(60.84) | 15.11(59.2) | 13.32(55.98) | 10.47(50.85) | 8.83(47.89) | 6.84(44.31) |
| Average precipitation mm (inches) | 132.13(5.2) | 119.31(4.7) | 84.68(3.33) | 64.1(2.52) | 68.19(2.68) | 71.39(2.81) | 68.14(2.68) | 105.2(4.14) | 84.18(3.31) | 135.92(5.35) | 148.62(5.85) | 161.82(6.37) | 103.64(4.08) |
| Average precipitation days (≥ 1.0 mm) | 18.89 | 17.89 | 14.68 | 11.1 | 10.62 | 11.66 | 10.62 | 13.02 | 11.84 | 18.09 | 19.47 | 19.55 | 14.79 |
| Average relative humidity (%) | 78.46 | 77.94 | 79.39 | 79.21 | 81.42 | 83.56 | 82.67 | 80.89 | 78.18 | 77.94 | 77.52 | 77.47 | 79.55 |
| Mean monthly sunshine hours | 5.74 | 6.29 | 9.32 | 12.69 | 13.26 | 13.29 | 13.4 | 12.96 | 11.21 | 6.91 | 6.08 | 5.68 | 9.74 |
Jersey Climate Graph
Jersey’s Cities by Temperature
Jersey’s states/regions ranking by average yearly temperature:
| Grouville | 12.52°C | 54.54°F | |
| Saint Saviour | 12.52°C | 54.54°F | |
| Saint Helier | 12.52°C | 54.54°F | |
| Saint Martin | 12.52°C | 54.54°F | |
| Saint Clement | 12.52°C | 54.54°F | |
| Trinity | 12.52°C | 54.54°F | |
| Saint John | 12.52°C | 54.54°F | |
| Saint Quen | 12.41°C | 54.34°F | |
| Saint Lawrence | 12.41°C | 54.34°F | |
| Saint Brelade | 12.41°C | 54.34°F | |
| Saint Peter | 12.41°C | 54.34°F | |
| Saint Mary | 12.41°C | 54.34°F |
Popular places in Jersey
- Six Rues Saint Lawrence
- Saint Clement Saint Clement
- Saint Brelade Saint Brelade
- Rozel Saint Martin
- Grand Mourier Saint John
- Ville au Bas Saint Quen
- Lower Blanc Pignon Saint Brelade
- Ville es Nouaux Saint Helier
- Les Creux Saint Brelade
- Saint Martin Saint Martin
- Mont Mado Saint John
- Belle Vue Saint Brelade
- La Hougue Saint Peter
- Five-Oaks Saint Helier
- Grouville Grouville
- Millbrook Saint Helier
- Gorey Saint Martin
- La Fosse Saint Brelade
- Longueville Saint Saviour
- La Moye Saint Brelade
- La Falaise Saint Mary
- Grand Chemins Saint Saviour
- Portinfer Saint Quen
- Perruque Saint John
- Ville des Quennevais Saint Brelade
- L'Etacq Saint Quen
- La Villaise Saint Quen
- Mont Fiquet Saint Brelade
- Saint John's Church Saint John
- Saint Lawrence Saint Lawrence
- Beaumont Saint Brelade
- La Haule Saint Peter
- Saint Helier Saint Helier
- Bel Royal Saint Lawrence
- Saint Peter's Church Saint Peter
- Ville Bagot Saint Quen
- Saint Aubin Saint Brelade
- Le Rondin Saint Quen
- Trinity Trinity
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