March weather forecast
Shannon, Ireland

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Weather in March

March beckons spring with open arms in Shannon, offering a warmer welcome than February. This month observes the temperature reaching a comfortable 9.6°C (49.3°F) during the day, hinting at the departure of winter. The snowfall level becomes unnoticeable, and rainfall slightly subsides. However, be forewarned, March does not completely surrender to the spring's onset, retaining a bit of winter in its nights. Thus, the changing climate of Shannon manifests a sense of drama in the transition of seasons.

Temperature

The average high-temperature in March in Shannon, at a still frosty 9.6°C (49.3°F), reveals a modest deviation from February's 8.3°C (46.9°F). Nighttime temperature in Shannon lowers to an average of 2.9°C (37.2°F) in March.

Humidity

In Shannon, the average relative humidity in March is 85%.

Rainfall

In Shannon, in March, during 15.1 rainfall days, 39mm (1.54") of precipitation is typically accumulated. Throughout the year, in Shannon, there are 204.6 rainfall days, and 512mm (20.16") of precipitation is accumulated.

Snowfall

Months with snowfall in Shannon are January through March and December. March is the last month it regularly snows. During 0.8 snowfall days, in March, Shannon aggregates 9mm (0.35") of snow. In Shannon, during the entire year, snow falls for 3.2 days and aggregates up to 57mm (2.24") of snow.

Sea temperature

The month with the coldest seawater is March, with an average sea temperature of 9.4°C (48.9°F).
Note: Navigating the 9.4°C (48.9°F) at 13°C (55.4°F) is no joy, and temperatures less than 10°C (50°F) can threaten breathing and cause a chilling shock, gauging personal stamina.

Daylight

In March, the average length of the day in Shannon, Ireland, is 11h and 54min.
On the first day of March, sunrise is at 7:20 am and sunset at 6:14 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 7:08 pm GMT.

Sunshine

In March, the average sunshine in Shannon is 5h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Shannon. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily maximum UV index of 2 in March translates into the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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Frequently asked questions

What is the usual temperature for Shannon in March?

The high-temperature, in March, in Shannon, records 9.6°C (49.3°F), while the low-temperature is 2.9°C (37.2°F).

What is the average humidity in March in Shannon?

In March, the average relative humidity in Shannon, Ireland, is 85%.

How much does it rain in Shannon in March?

In March, in Shannon, the rain falls for 15.1 days. Throughout March, 39mm (1.54") of precipitation is accumulated.

What is the last month it snows in Shannon?

March is the last month it regularly snows in Shannon, Ireland. During 0.8 snowfall days, in March, Shannon aggregates 9mm (0.35") of snow.

When is the sea coldest in Shannon?

With an average sea temperature of 9.4°C (48.9°F), March is the month with the coldest seawater in Shannon, Ireland.

What is the water temperature in March in Shannon?

In Shannon, the average seawater temperature in March is 9.4°C (48.9°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

What is the average length of the day in March in Shannon?

In March, the average day length in Shannon, Ireland, is 11h and 54min.

What time are sunrise and sunset in March in Shannon?

On the first day of March in Shannon, sunrise is at 7:20 am and sunset at 6:14 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 7:08 pm GMT.

How long on average sun shines in March in Shannon?

In March, the average sunshine duration in Shannon, Ireland, is 5h.

What is the month with the lowest UV index in Shannon?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in March in Shannon?

In March, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Shannon, Ireland

Average temperature in March - Shannon, Ireland
  • Average high temperature in March: 9.6°C

The warmest month (with the highest average high temperature) is July (18°C).
The month with the lowest average high temperature is January (7.8°C).

  • Average low temperature in March: 2.9°C

The month with the highest average low temperature is July (11.1°C).
The coldest months (with the lowest average low temperature) are February and March (2.9°C).

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Average pressure in March
Shannon, Ireland

Average pressure in March - Shannon, 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 (1008.3mbar).

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Average wind speed in March
Shannon, Ireland

Average wind speed in March - Shannon, Ireland
  • Average wind speed in March: 17km/h

The windiest month (with the highest average wind speed) is February (19km/h).
The calmest month (with the lowest average wind speed) is July (13.3km/h).

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Average humidity in March
Shannon, Ireland

Average humidity in March - Shannon, Ireland
  • Average humidity in March: 85%

The months with the highest relative humidity are November and December (90%).
The month with the lowest relative humidity is April (84%).

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Average rainfall in March
Shannon, Ireland

Average rainfall in March - Shannon, Ireland
  • Average rainfall in March: 39mm

The wettest month (with the highest rainfall) is December (56mm).
The driest month (with the least rainfall) is September (33mm).

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Average rainfall days in March
Shannon, Ireland

Average rainfall days in March - Shannon, Ireland
  • Average rainfall days in March: 15.1 days

The month with the highest number of rainy days is August (20.4 days).
The month with the least rainy days is February (14.8 days).

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Average snowfall in March
Shannon, Ireland

Average snowfall in March - Shannon, Ireland
  • Average snowfall in March: 9mm

The month with the highest snowfall is December (21mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

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Average snowfall days in March
Shannon, Ireland

Average snowfall days in March - Shannon, Ireland
  • Average snowfall days in March: 0.8 days

The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).

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Average sea temperature in March
Shannon, Ireland

Average sea temperature in March - Shannon, Ireland
  • Average sea temperature in March: 9.4°C

The best month for swimming (with the highest average sea temperature) is August (15.8°C).
The coldest month (with the lowest average sea temperature) is March (9.4°C).

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Average daylight in March /
Average sunshine in March
Shannon, Ireland

Average daylight in March / Average sunshine in March - Shannon, Ireland
  • Average daylight in March: 11h and 5min

The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).

  • Average sunshine in March: 5h and 0min

The month with the most sunshine is June (Average sunshine: 7h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).

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Average sunshine days in March
Shannon, Ireland

Average sunshine days in March - Shannon, Ireland
  • Average sunshine days in March: 11.8 days

The month with the most sunshine days is December (12.6 days).
The month with the least sunshine days is July (7.6 days).

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Average UV index in March
Shannon, Ireland

Average UV index in March - Shannon, Ireland
  • Average UV index in March: 2

The months with the highest UV index are May and June (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in March
Shannon, Ireland

Average cloud cover in March - Shannon, Ireland
  • Average cloud cover in March: 59

The month with the most cloud cover is July (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 56).

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Average visibility in March
Shannon, Ireland

Average visibility in March - Shannon, Ireland
  • Average visibility in March: 9km

The months with the highest visibility are January, February, March, April, November and December (9km).
The months with the lowest visibility are May, June, July, August, September and October (8km).

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Shannon, Ireland

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