March weather forecast
Portrush, United Kingdom

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Weather in March

March, the first month of the spring in Portrush, is still a chilly month, with temperature in the range of an average high of 8.6°C (47.5°F) and an average low of 4.4°C (39.9°F).

Temperature

March denotes a minimal variation in the average high-temperature to a still frosty 8.6°C (47.5°F) from February's 7.2°C (45°F). Portrush notes an average temperature descent to an icy 4.4°C (39.9°F) in March, a small shift from its daytime peak.

Humidity

In March, the average relative humidity is 82%.

Rainfall

In Portrush, in March, during 18.9 rainfall days, 50mm (1.97") of precipitation is typically accumulated. In Portrush, during the entire year, the rain falls for 238.3 days and collects up to 632mm (24.88") of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Portrush, United Kingdom, in March, during 1.3 snowfall days, 11mm (0.43") of snow is typically accumulated. Throughout the year, there are 8 snowfall days, and 47mm (1.85") of snow is accumulated.

Sea temperature

March is the month with the coldest seawater in Portrush, with an average sea temperature of 8.3°C (46.9°F).
Note: Swimming in 8.3°C (46.9°F) is deemed hazardous. Exposure to temperatures below 10°C (50°F) leads to immediate severe cold shock and hyperventilation.

Daylight

In Portrush, United Kingdom, the average length of the day in March is 11h and 53min.
On the first day of the month, sunrise is at 7:15 am and sunset at 6:02 pm. On the last day of March, in Portrush, sunrise is at 5:58 am and sunset at 7:02 pm GMT.

Sunshine

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

UV index

In Portrush, the average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: In March, a regular UV index of 3 translates into these guidelines:
Take necessary precautions - Protection from skin and eye injury is mandatory. To avoid the Sun's strongest rays, limit exposure around the mid-day period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the average March temperature in Portrush?

In Portrush, in March, the average high-temperature is 8.6°C (47.5°F), and the average low-temperature is 4.4°C (39.9°F).

What is the average humidity in March in Portrush?

The average relative humidity in March in Portrush, United Kingdom, is 82%.

How many days does it rain in March in Portrush?

In Portrush, United Kingdom, in March, it is raining for 18.9 days, with typically 50mm (1.97") of accumulated precipitation.

How much does it snow in Portrush in March?

In Portrush, in March, snow falls for 1.3 days, with typically accumulated 11mm (0.43") of snow.

When is the sea coldest in Portrush?

March is the month with the coldest seawater in Portrush, United Kingdom, with an average sea temperature of 8.3°C (46.9°F).

What is the sea water temperature in March in Portrush?

In Portrush, the average seawater temperature in March is 8.3°C (46.9°F). Swimming in 8.3°C (46.9°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

How many hours of daylight does Portrush have in March?

The average day length in March is 11h and 53min.

What time are sunrise and sunset in March in Portrush?

In March, on the first day of the month, sunrise is at 7:15 am and sunset at 6:02 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 7:02 pm GMT.

How long on average sun shines in March in Portrush?

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

What is the UV index reading in March in Portrush?

The average daily maximum UV index in March in Portrush is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Portrush, United Kingdom

Average temperature in March - Portrush, United Kingdom
  • Average high temperature in March: 8.6°C

The warmest month (with the highest average high temperature) is July (16°C).
The month with the lowest average high temperature is January (7.1°C).

  • Average low temperature in March: 4.4°C

The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is February (4°C).

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Average pressure in March
Portrush, United Kingdom

Average pressure in March - Portrush, United Kingdom
  • Average pressure in March: 1012.6mbar

The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is November (1006.6mbar).

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Average wind speed in March
Portrush, United Kingdom

Average wind speed in March - Portrush, United Kingdom
  • Average wind speed in March: 24km/h

The windiest month (with the highest average wind speed) is January (27.5km/h).
The calmest month (with the lowest average wind speed) is July (16.7km/h).

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Average humidity in March
Portrush, United Kingdom

Average humidity in March - Portrush, United Kingdom
  • Average humidity in March: 82%

The months with the highest relative humidity are July and August (86%).
The month with the lowest relative humidity is April (81%).

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Average rainfall in March
Portrush, United Kingdom

Average rainfall in March - Portrush, United Kingdom
  • Average rainfall in March: 50mm

The wettest months (with the highest rainfall) are July and August (74mm).
The driest month (with the least rainfall) is April (35mm).

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Average rainfall days in March
Portrush, United Kingdom

Average rainfall days in March - Portrush, United Kingdom
  • Average rainfall days in March: 18.9 days

The month with the highest number of rainy days is August (24 days).
The month with the least rainy days is April (16.8 days).

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Average snowfall in March
Portrush, United Kingdom

Average snowfall in March - Portrush, United Kingdom
  • Average snowfall in March: 11mm

The month with the highest snowfall is February (16mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in March
Portrush, United Kingdom

Average snowfall days in March - Portrush, United Kingdom
  • Average snowfall days in March: 1.3 days

The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in March
Portrush, United Kingdom

Average sea temperature in March - Portrush, United Kingdom
  • Average sea temperature in March: 8.3°C

The best month for swimming (with the highest average sea temperature) is August (14.3°C).
The coldest month (with the lowest average sea temperature) is March (8.3°C).

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Average daylight in March /
Average sunshine in March
Portrush, United Kingdom

Average daylight in March / Average sunshine in March - Portrush, United Kingdom
  • Average daylight in March: 11h and 5min

The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 12min).

  • Average sunshine in March: 5h and 0min

The month with the most sunshine is June (Average sunshine: 8h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in March
Portrush, United Kingdom

Average sunshine days in March - Portrush, United Kingdom
  • Average sunshine days in March: 8.3 days

The month with the most sunshine days is April (9.8 days).
The month with the least sunshine days is August (4.2 days).

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Average UV index in March
Portrush, United Kingdom

Average UV index in March - Portrush, United Kingdom
  • Average UV index in March: 3

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

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Average cloud cover in March
Portrush, United Kingdom

Average cloud cover in March - Portrush, United Kingdom
  • Average cloud cover in March: 61

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 52).

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Average visibility in March
Portrush, United Kingdom

Average visibility in March - Portrush, United Kingdom
  • Average visibility in March: 9km

The month with the highest visibility is November (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).

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Portrush, United Kingdom

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