May weather forecast
Ballycullane, Ireland

May

Weather in May

May, the last month of the spring in Ballycullane, is a moderate month, with temperature in the range of an average low of 8°C (46.4°F) and an average high of 13.4°C (56.1°F).

Temperature

The transition from April to May brings an average high-temperature of a refreshing 13.4°C (56.1°F), barely different from April's 11.2°C (52.2°F). Ballycullane registers a consistent average low-temperature of 8°C (46.4°F) during May.

Humidity

The average relative humidity in May in Ballycullane is 85%.

Rainfall

The month with the least rainfall is May, when the rain falls for 12.3 days and typically collects 17mm (0.67") of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Ballycullane, the average length of the day in May is 15h and 45min.
On the first day of the month, sunrise is at 5:55 am and sunset at 8:53 pm. On the last day of May, in Ballycullane, sunrise is at 5:11 am and sunset at 9:38 pm IST.

Sunshine

May has the most sunshine of the year, with an average of 7.8h of sunshine.

UV index

May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 4 during May leads to these advisories:
Act with care - Obligation to protect against skin and eye damage is highlighted. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

What is the usual temperature for Ballycullane in May?
In Ballycullane, in May, the average high-temperature is 13.4°C (56.1°F), and the average low-temperature is 8°C (46.4°F).
What is the average humidity in May in Ballycullane?
The average relative humidity in May in Ballycullane is 85%.
What is the driest month in Ballycullane?
The month with the least rainfall is May, when the rain falls for 12.3 days and typically collects 17mm (0.67") of precipitation.
How much does it rain in Ballycullane in May?
In Ballycullane, Ireland, in May, during 12.3 rainfall days, 17mm (0.67") of precipitation is typically accumulated.
When it does not snow in Ballycullane?
April through October are months without snowfall in Ballycullane.
What is the average length of the day in May in Ballycullane?
In Ballycullane, the average day length in May is 15h and 45min.
When is the sunrise / sunset in May in Ballycullane?
In May, on the first day of the month, sunrise is at 5:55 am and sunset at 8:53 pm. On the last day of the month, in Ballycullane, Ireland, sunrise is at 5:11 am and sunset at 9:38 pm IST.
What month has the most sunshine in Ballycullane?
May has the most sunshine of the year in Ballycullane, Ireland, with an average of 7.8h of sunshine.
How long on average sun shines in May in Ballycullane?
In May, the average sunshine duration in Ballycullane, Ireland, is 7.8h.
What is the month with the highest UV index in Ballycullane?
The months with the highest UV index are May through September, with an average maximum UV index of 4.
What is the UV index intensity in May in Ballycullane?
In Ballycullane, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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 May - Ballycullane, Ireland
Average temperature in May
Ballycullane, Ireland
  • Average high temperature in May: 13.4°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 (8.2°C).

  • Average low temperature in May: 8°C

The month with the highest average low temperature is July (12.5°C).
The coldest month (with the lowest average low temperature) is March (4.3°C).

Average pressure in May - Ballycullane, Ireland
Average pressure in May
Ballycullane, Ireland
  • Average pressure in May: 1016.4mbar

The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1008.9mbar).

Average wind speed in May - Ballycullane, Ireland
Average wind speed in May
Ballycullane, Ireland
  • Average wind speed in May: 17.9km/h

The windiest month (with the highest average wind speed) is December (25km/h).
The calmest months (with the lowest average wind speed) are June and July (16.4km/h).

Average humidity in May - Ballycullane, Ireland
Average humidity in May
Ballycullane, Ireland
  • Average humidity in May: 85%

The months with the highest relative humidity are July and December (87%).
The months with the lowest relative humidity are February, March and April (84%).

Average rainfall in May - Ballycullane, Ireland
Average rainfall in May
Ballycullane, Ireland
  • Average rainfall in May: 17mm

The wettest month (with the highest rainfall) is November (52mm).
The driest month (with the least rainfall) is May (17mm).

Average rainfall days in May - Ballycullane, Ireland
Average rainfall days in May
Ballycullane, Ireland
  • Average rainfall days in May: 12.3 days

The month with the highest number of rainy days is August (15.4 days).
The month with the least rainy days is September (10.5 days).

Average snowfall in May - Ballycullane, Ireland
Average snowfall in May
Ballycullane, Ireland
  • Average snowfall in May: 0mm

The month with the highest snowfall is February (4mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in May - Ballycullane, Ireland
Average snowfall days in May
Ballycullane, Ireland
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in May / Average sunshine in May - Ballycullane, Ireland
Average daylight in May /
Average sunshine in May
Ballycullane, Ireland
  • Average daylight in May: 15h and 4min

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

  • Average sunshine in May: 7h and 5min

The month with the most sunshine is May (Average sunshine: 7h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in May - Ballycullane, Ireland
Average sunshine days in May
Ballycullane, Ireland
  • Average sunshine days in May: 15.9 days

The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is October (11.3 days).

Average UV index in May - Ballycullane, Ireland
Average UV index in May
Ballycullane, Ireland
  • Average UV index in May: 4

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 May - Ballycullane, Ireland
Average cloud cover in May
Ballycullane, Ireland
  • Average cloud cover in May: 51

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 49).

Average visibility in May - Ballycullane, Ireland
Average visibility in May
Ballycullane, Ireland
  • Average visibility in May: 9km

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

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