Contents
- Weather in March
- Frequently asked questions
- Average temperature in March
- Average pressure in March
- Average wind speed in March
- Average humidity in March
- Average rainfall in March
- Average rainfall days in March
- Average snowfall in March
- Average snowfall days in March
- Average sea temperature in March
- Average daylight in March
- Average sunshine in March
- Average sunshine days in March
- Average UV index in March
- Average cloud cover in March
- Average visibility in March
Weather in March
Temperature
With the arrival of March, Saint Helier's average high-temperature registers at a still frosty 9.9°C (49.8°F), indicating a subtle variation from the previous month. In March, Saint Helier temperatures settle at a low of 7.5°C (45.5°F) during the nights, reflecting a minor change from daytime highs.Humidity
In Saint Helier, the average relative humidity in March is 80%.Rainfall
In Saint Helier, Jersey, during March, the rain falls for 15.2 days and regularly aggregates up to 37mm (1.46") of precipitation. Throughout the year, there are 189 rainfall days, and 538mm (21.18") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Saint Helier, Jersey. March is the last month it regularly snows. During 0.2 snowfall days, in March, Saint Helier aggregates 1mm (0.04") of snow. In Saint Helier, during the entire year, snow falls for 1.4 days and aggregates up to 6mm (0.24") of snow.Sea temperature
The months with the coldest seawater are February and March, with an average sea temperature of 9°C (48.2°F).Note: You can swim in 9°C (48.2°F) below 10°C (50°F) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. A short span at 13°C (55.4°F) without it is tough.
Daylight
In March, the average length of the day in Saint Helier is 11h and 55min.On the first day of the month, sunrise is at 06:49 and sunset at 17:51. On the last day of March, sunrise is at 05:46 and sunset at 18:38 GMT.
Sunshine
In March, the average sunshine in Saint Helier is 6.4h.UV index
In March, the average daily maximum UV index in Saint Helier is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 3 in March translates into this advice:
Act with care - The suggestion to avoid sunburn is emphasized. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
What is the temperature in March in Saint Helier?
What is the average humidity in March in Saint Helier?
How many days does it rain in March in Saint Helier?
What is the last month it snows in Saint Helier?
What months are the sea coldest in Saint Helier?
What is the sea water temperature in March in Saint Helier?
What is the average length of the day in March in Saint Helier?
When are sunrise and sunset in March in Saint Helier?
How many hours of sunshine does Saint Helier have in March?
How high is the UV index in March in Saint Helier?
Average temperature in March
Saint Helier, Jersey
- Average high temperature in March: 9.9°C
The warmest month (with the highest average high temperature) is August (18.2°C).
The month with the lowest average high temperature is February (9°C).
- Average low temperature in March: 7.5°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is February (6.8°C).
Average pressure in March
Saint Helier, Jersey
- Average pressure in March: 1016.3mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1011.8mbar).
Average wind speed in March
Saint Helier, Jersey
- Average wind speed in March: 27.9km/h
The windiest month (with the highest average wind speed) is December (34km/h).
The calmest month (with the lowest average wind speed) is July (20.4km/h).
Average humidity in March
Saint Helier, Jersey
- Average humidity in March: 80%
The months with the highest relative humidity are June and July (83%).
The months with the lowest relative humidity are November and December (78%).
Average rainfall in March
Saint Helier, Jersey
- Average rainfall in March: 37mm
The wettest month (with the highest rainfall) is November (78mm).
The driest month (with the least rainfall) is July (25mm).
Average rainfall days in March
Saint Helier, Jersey
- Average rainfall days in March: 15.2 days
The month with the highest number of rainy days is November (21.2 days).
The months with the least rainy days are May and July (12.2 days).
Average snowfall in March
Saint Helier, Jersey
- Average snowfall in March: 1mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in March
Saint Helier, Jersey
- Average snowfall days in March: 0.2 days
The months with the highest number of snowfall days are January and February (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in March
Saint Helier, Jersey
- Average sea temperature in March: 9°C
The best month for swimming (with the highest average sea temperature) is August (17°C).
The coldest months (with the lowest average sea temperature) are February and March (9°C).
Average daylight in March /
Average sunshine in March
Saint Helier, Jersey
- Average daylight in March: 11h and 5min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in March: 6h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and November (Average sunshine: 4h and 0min).
Average sunshine days in March
Saint Helier, Jersey
- Average sunshine days in March: 13.2 days
The month with the most sunshine days is May (16.8 days).
The month with the least sunshine days is November (5.8 days).
Average UV index in March
Saint Helier, Jersey
- Average UV index in March: 3
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover in March
Saint Helier, Jersey
- Average cloud cover in March: 49
The months with the most cloud cover are January, November and December (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in March
Saint Helier, Jersey
- Average visibility in March: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Saint Helier, Jersey
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