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
Portmarnock ushers in March with an average high-temperature of a still frosty 9°C (48.2°F), showing a close resemblance to the previous month. Portmarnock's nighttime temperature during March is consistently averaged at a cold 3.9°C (39°F).Humidity
The months with the lowest humidity in Portmarnock, Ireland, are March through May, with an average relative humidity of 83%.Rainfall
In March, the rain falls for 12.6 days. Throughout March, 22mm (0.87") of precipitation is accumulated. In Portmarnock, during the entire year, the rain falls for 159.4 days and collects up to 362mm (14.25") of precipitation.Snowfall
Months with snowfall are January through March, November and December. March is the last month it regularly snows. During 0.7 snowfall days, in March, Portmarnock aggregates 1mm (0.04") of snow. Throughout the year, there are 6 snowfall days, and 31mm (1.22") of snow is accumulated.Sea temperature
March is the month with the coldest seawater, with an average sea temperature of 8.4°C (47.1°F).Note: Beware when you're in 8.4°C (47.1°F) waters; 13°C (55.4°F) is chilling and anything below 10°C (50°F) could cause breathing hindrance and a sudden cold shock, given your physical condition.
Daylight
In March, the average length of the day is 11h and 54min.On the first day of March in Portmarnock, sunrise is at 7:10 am and sunset at 6:02 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 6:58 pm GMT.
Sunshine
The average sunshine in March in Portmarnock is 5.7h.UV index
The average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In March, a daily UV index of 3 turns into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
What is the usual temperature for Portmarnock in March?
What is the least humid month in Portmarnock?
What is the average humidity in March in Portmarnock?
How many days does it rain in March in Portmarnock?
What is the last month it snows in Portmarnock?
What is the month with the coldest sea water in Portmarnock?
What is the water temperature in March in Portmarnock?
How many hours of daylight does Portmarnock have in March?
What time are sunrise and sunset in March in Portmarnock?
How many hours of sunshine does Portmarnock have in March?
What is the UV index reading in March in Portmarnock?
Average temperature in March
Portmarnock, Ireland
- Average high temperature in March: 9°C
The warmest month (with the highest average high temperature) is July (17.4°C).
The month with the lowest average high temperature is January (7.6°C).
- Average low temperature in March: 3.9°C
The months with the highest average low temperature are July and August (12.1°C).
The coldest months (with the lowest average low temperature) are February and March (3.9°C).
Average pressure in March
Portmarnock, Ireland
- Average pressure in March: 1014.1mbar
The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.2mbar).
Average wind speed in March
Portmarnock, Ireland
- Average wind speed in March: 20.7km/h
The windiest month (with the highest average wind speed) is January (24.2km/h).
The calmest month (with the lowest average wind speed) is June (15.2km/h).
Average humidity in March
Portmarnock, Ireland
- Average humidity in March: 83%
The months with the highest relative humidity are July and December (86%).
The months with the lowest relative humidity are March, April and May (83%).
Average rainfall in March
Portmarnock, Ireland
- Average rainfall in March: 22mm
The wettest month (with the highest rainfall) is November (51mm).
The driest month (with the least rainfall) is May (19mm).
Average rainfall days in March
Portmarnock, Ireland
- Average rainfall days in March: 12.6 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (10.7 days).
Average snowfall in March
Portmarnock, Ireland
- Average snowfall in March: 1mm
The month with the highest snowfall is December (12mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in March
Portmarnock, Ireland
- Average snowfall days in March: 0.7 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in March
Portmarnock, Ireland
- Average sea temperature in March: 8.4°C
The best month for swimming (with the highest average sea temperature) is August (14.9°C).
The coldest month (with the lowest average sea temperature) is March (8.4°C).
Average daylight in March /
Average sunshine in March
Portmarnock, Ireland
- Average daylight in March: 11h and 5min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in March: 5h and 4min
The months with the most sunshine are April, May and June (Average sunshine: 7h and 30min).
The months with the least sunshine are January, February and November (Average sunshine: 4h and 18min).
Average sunshine days in March
Portmarnock, Ireland
- Average sunshine days in March: 15.5 days
The months with the most sunshine days are January and December (16.8 days).
The month with the least sunshine days is July (11 days).
Average UV index in March
Portmarnock, Ireland
- Average UV index in March: 3
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in March
Portmarnock, Ireland
- Average cloud cover in March: 54
The months with the most cloud cover are January and February (Cloud cover 57).
The months with the least cloud cover are April and September (Cloud cover 50).
Average visibility in March
Portmarnock, Ireland
- Average visibility in March: 10km
The months with the highest visibility are January, February, March, October, November and December (10km).
The months with the lowest visibility are April, May, June, July, August and September (9km).
Portmarnock, Ireland
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