Saint Helier, Jersey Climate
Weather: 11.4°C/52.52°F, Wind SW at 4.12 km/h, 100% Humidity, 0% Chance of rain
Saint Helier Climate Summary
Located at an elevation of 15.46 meters (50.72 feet) above sea level, Saint Helier has a Marine west coast, warm summer climate (Classification: Cfb). The city’s yearly temperature is 12.52ºC (54.54ºF) and it is 0.05% higher than Jersey’s averages. Saint Helier typically receives about 104.3 millimeters (4.11 inches) of precipitation and has 176.47 rainy days (48.35% of the time) annually.
Country | Jersey |
Longitude | -2.103233 |
Latitude | 49.1805019 |
Attitude/Elevation | 15.46m (50.72ft) |
Local time | Sunday 02:00 |
Annual high temperature | 13.33ºC (55.99ºF) |
Annual low temperature | 11.34ºC (52.41ºF) |
Average annual precip. | 104.3mm (4.11in) |
Warmest month | August (17.94ºC / 64.29ºF) |
Coldest Month | February (6.96ºC / 44.53ºF) |
Wettest Month | December (162.92mm / 6.41in) |
Driest Month | April (64.38mm / 2.53in) |
Number of days with rainfall (≥ 1.0 mm) | 176.47 days (48.35%) |
Days with no rain | 188.53 days (51.65%) |
Humidity | 79.56% |
Climate Saint Helier: Monthly Averages
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Nov | Oct | Dec | Year |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Record high °C (°F) | 14.0(57.2) | 15.0(59.0) | 15.0(59.0) | 18.0(64.4) | 20.0(68.0) | 24.0(75.2) | 24.0(75.2) | 24.0(75.2) | 23.0(73.4) | 21.0(69.8) | 18.0(64.4) | 15.0(59.0) | 24.0(75.2) |
Average high °C (°F) | 9.48(49.06) | 8.94(48.09) | 9.77(49.59) | 11.25(52.25) | 13.05(55.49) | 15.46(59.83) | 17.4(63.32) | 17.94(64.29) | 17.48(63.46) | 15.55(59.99) | 12.75(54.95) | 10.94(51.69) | 13.33(55.99) |
Daily mean °C (°F) | 8.71(47.68) | 8.08(46.54) | 8.86(47.95) | 10.4(50.72) | 12.24(54.03) | 14.67(58.41) | 16.68(62.02) | 17.24(63.03) | 16.56(61.81) | 14.63(58.33) | 11.94(53.49) | 10.2(50.36) | 12.52(54.54) |
Average low °C (°F) | 7.3(45.14) | 6.96(44.53) | 7.72(45.9) | 9.27(48.69) | 11.17(52.11) | 13.42(56.16) | 15.56(60.01) | 16.21(61.18) | 15.45(59.81) | 13.46(56.23) | 10.65(51.17) | 8.92(48.06) | 11.34(52.41) |
Record low °C (°F) | -2.0(28.4) | -2.0(28.4) | -2.0(28.4) | -1.0(30.2) | 2.0(35.6) | 2.0(35.6) | 5.0(41.0) | 6.0(42.8) | 4.0(39.2) | 2.0(35.6) | 1.0(33.8) | -3.0(26.6) | -3.0(26.6) |
Average precipitation mm (inches) | 132.93(5.23) | 119.52(4.71) | 84.31(3.32) | 64.38(2.53) | 68.18(2.68) | 71.08(2.8) | 67.15(2.64) | 105.25(4.14) | 85.35(3.36) | 139.13(5.48) | 151.35(5.96) | 162.92(6.41) | 104.3(4.11) |
Average precipitation days (≥ 1.0 mm) | 18.82 | 18.0 | 14.45 | 10.91 | 10.55 | 11.55 | 10.55 | 12.91 | 11.73 | 18.09 | 19.55 | 19.36 | 14.71 |
Average relative humidity (%) | 78.55 | 77.99 | 79.43 | 79.21 | 81.4 | 83.52 | 82.6 | 80.82 | 78.11 | 77.95 | 77.56 | 77.54 | 79.56 |
Mean monthly sunshine hours | 5.74 | 6.31 | 9.3 | 12.68 | 13.26 | 13.29 | 13.4 | 12.96 | 11.21 | 6.91 | 6.06 | 5.67 | 9.73 |
Climate Graph
The chart below shows the mean monthly temperature and precipitation of Saint Helier in recent years.
Saint Helier Temperature by Month
August |
|
17.24°C | 63.03°F |
July |
|
16.68°C | 62.02°F |
September |
|
16.56°C | 61.81°F |
June |
|
14.67°C | 58.41°F |
October |
|
14.63°C | 58.33°F |
May |
|
12.24°C | 54.03°F |
November |
|
11.94°C | 53.49°F |
April |
|
10.4°C | 50.72°F |
December |
|
10.2°C | 50.36°F |
March |
|
8.86°C | 47.95°F |
January |
|
8.71°C | 47.68°F |
February |
|
8.08°C | 46.54°F |
Historical Data
Temperature | Max | Average | Min | |
---|---|---|---|---|
Max Temperature | 15.0°C (59.0°F) | 11.14°C (52.05°F) | 6.0°C (42.8°F) | |
Avg Temperature | 13.0°C (55.4°F) | 9.82°C (49.68°F) | 5.0°C (41.0°F) | |
Min Temperature | 11.0°C (51.8°F) | 8.79°C (47.82°F) | -0.0°C (0°F) | |
Dew Point | Max | Average | Min | |
Dew Point | 10.0°C (50.0°F) | 6.39°C (43.5°F) | 1.0°C (33.8°F) | |
Precipitation | Max | Average | Min | Sum |
Precipitation | 20.2mm | 0.8in | 2.88mm | 0.11in | 0.0mm | 0in | 80.6mm | 3.17in |
Snowdepth | 0.0mm | 0in | 0.0mm | 0in | 0.0mm | 0in | 0.0mm | 0in |
Wind | Max | Average | Min | |
Wind | 53.0kmh | 32.93mph | 28.29kmh | 17.58mph | 13.0kmh | 8.08mph | |
Gust Wind | 82.0kmh | 50.95mph | 41.0kmh | 25.48mph | 20.0kmh | 12.43mph | |
Sea Level Pressure | Max | Average | Min | |
Sea Level Pressure | 20.2mb | 2.88mb | 0.0mb |
Daily Observations
Time | Temperature | Dew Point | Humidity | Wind Speed | Pressure | Precipitation |
---|---|---|---|---|---|---|
February | ° C | ° F | ° C | ° F | % | Kph | Mph | Hg | Mb | Total (mm/in) |
2019-02-01 | 7 | 44.6 | 4 | 39.2 | 79 | 28 | 17.4 | 29.06 | 984 | 6.9 | 0.27 |
2019-02-02 | 5 | 41.0 | 1 | 33.8 | 71 | 46 | 28.58 | 29.74 | 1007 | 2.2 | 0.09 |
2019-02-03 | 8 | 46.4 | 2 | 35.6 | 65 | 23 | 14.29 | 30.27 | 1025 | 0.6 | 0.02 |
2019-02-04 | 9 | 48.2 | 6 | 42.8 | 83 | 45 | 27.96 | 30.15 | 1021 | 6.2 | 0.24 |
2019-02-05 | 8 | 46.4 | 7 | 44.6 | 92 | 31 | 19.26 | 30.24 | 1024 | 0.2 | 0.01 |
2019-02-06 | 11 | 51.8 | 10 | 50.0 | 92 | 19 | 11.81 | 30.06 | 1018 | 12.8 | 0.5 |
2019-02-07 | 10 | 50.0 | 5 | 41.0 | 73 | 47 | 29.2 | 29.91 | 1013 | 4.8 | 0.19 |
2019-02-08 | 11 | 51.8 | 8 | 46.4 | 81 | 53 | 32.93 | 29.71 | 1006 | 8.3 | 0.33 |
2019-02-09 | 10 | 50.0 | 6 | 42.8 | 76 | 53 | 32.93 | 29.74 | 1007 | 11.8 | 0.46 |
2019-02-10 | 9 | 48.2 | 5 | 41.0 | 74 | 51 | 31.69 | 29.62 | 1003 | 20.2 | 0.8 |
2019-02-11 | 9 | 48.2 | 4 | 39.2 | 69 | 30 | 18.64 | 30.27 | 1025 | 2.1 | 0.08 |
2019-02-12 | 9 | 48.2 | 6 | 42.8 | 77 | 15 | 9.32 | 30.56 | 1035 | 0.0 | 0.0 |
2019-02-13 | 9 | 48.2 | 5 | 41.0 | 76 | 24 | 14.91 | 30.5 | 1033 | 0.0 | 0.0 |
2019-02-14 | 9 | 48.2 | 5 | 41.0 | 74 | 24 | 14.91 | 30.42 | 1030 | 0.0 | 0.0 |
2019-02-15 | 11 | 51.8 | 7 | 44.6 | 79 | 25 | 15.53 | 30.3 | 1026 | 0.0 | 0.0 |
2019-02-16 | 11 | 51.8 | 8 | 46.4 | 84 | 24 | 14.91 | 30.24 | 1024 | 0.0 | 0.0 |
2019-02-17 | 11 | 51.8 | 8 | 46.4 | 83 | 33 | 20.51 | 30.03 | 1017 | 0.1 | 0.0 |
2019-02-18 | 9 | 48.2 | 7 | 44.6 | 83 | 20 | 12.43 | 30.03 | 1017 | 2.8 | 0.11 |
2019-02-19 | 9 | 48.2 | 5 | 41.0 | 72 | 19 | 11.81 | 30.15 | 1021 | 0.2 | 0.01 |
2019-02-20 | 10 | 50.0 | 7 | 44.6 | 82 | 27 | 16.78 | 30.15 | 1021 | 0.0 | 0.0 |
2019-02-21 | 10 | 50.0 | 8 | 46.4 | 83 | 22 | 13.67 | 30.33 | 1027 | 0.0 | 0.0 |
2019-02-22 | 11 | 51.8 | 7 | 44.6 | 77 | 19 | 11.81 | 30.47 | 1032 | 0.0 | 0.0 |
2019-02-23 | 11 | 51.8 | 8 | 46.4 | 81 | 17 | 10.56 | 30.47 | 1032 | 0.0 | 0.0 |
2019-02-24 | 11 | 51.8 | 7 | 44.6 | 73 | 13 | 8.08 | 30.5 | 1033 | 0.0 | 0.0 |
2019-02-25 | 11 | 51.8 | 6 | 42.8 | 71 | 15 | 9.32 | 30.53 | 1034 | 0.0 | 0.0 |
2019-02-26 | 12 | 53.6 | 8 | 46.4 | 75 | 14 | 8.7 | 30.42 | 1030 | 0.0 | 0.0 |
2019-02-27 | 13 | 55.4 | 10 | 50.0 | 81 | 15 | 9.32 | 30.27 | 1025 | 0.0 | 0.0 |
2019-02-28 | 11 | 51.8 | 9 | 48.2 | 85 | 40 | 24.85 | 30.15 | 1021 | 1.4 | 0.06 |
Saint Helier 10 Year Historical Weather Data
- Saint Helier weather in February 2010
- Saint Helier weather in February 2011
- Saint Helier weather in February 2012
- Saint Helier weather in February 2013
- Saint Helier weather in February 2014
- Saint Helier weather in February 2015
- Saint Helier weather in February 2016
- Saint Helier weather in February 2017
- Saint Helier weather in February 2018
- Saint Helier weather in February 2020
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