May weather forecastStraffan, Ireland

May

Weather in May

The last month of the spring, May, is a refreshing month in Straffan, Ireland, with an average temperature ranging between max 13.7°C (56.7°F) and min 6.4°C (43.5°F).

Temperature

The high-temperature average in May for Straffan, Ireland, is a refreshing 13.7°C (56.7°F), staying closely aligned with April's conditions. The average nighttime temperature lowers to a chilly 6.4°C (43.5°F) throughout May.

Humidity

In May, the average relative humidity in Straffan is 86%.

Rainfall

In Straffan, during May, the rain falls for 16.8 days and regularly aggregates up to 22mm (0.87") of precipitation. In Straffan, during the entire year, the rain falls for 170.7 days and collects up to 271mm (10.67") of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

In May, the average length of the day in Straffan is 15h and 54min.
On the first day of May in Straffan, sunrise is at 5:50 am and sunset at 8:56 pm. On the last day of the month, sunrise is at 5:05 am and sunset at 9:43 pm IST.

Sunshine

In Straffan, the average sunshine in May is 6.4h.

UV index

May, June and August, with an average maximum UV index of 4, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 4 during May leads to these instructions:
Make use of precautions - It is urged to ward off sun damage. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

An average high-temperature, in May, in Straffan, is 13.7°C (56.7°F) and the average low-temperature is 6.4°C (43.5°F).

In May, the average relative humidity in Straffan, Ireland, is 86%.

In Straffan, Ireland, in May, it is raining for 16.8 days, with typically 22mm (0.87") of accumulated precipitation.

April through November are months without snowfall.

The average day length in May is 15h and 54min.

On the first day of May in Straffan, Ireland, sunrise is at 5:50 am and sunset at 8:56 pm. On the last day of the month, sunrise is at 5:05 am and sunset at 9:43 pm IST.

The average sunshine duration in May in Straffan, Ireland, is 6.4h.

The months with the highest UV index in Straffan are May, June and August, with an average maximum UV index of 4.

In Straffan, Ireland, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Straffan, Ireland

  • Average high temperature in May: 13.7°C

The warmest month (with the highest average high temperature) is July (17.7°C).
The month with the lowest average high temperature is January (6.9°C).

  • Average low temperature in May: 6.4°C

The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).

Average pressure in May
Straffan, Ireland

  • Average pressure in May: 1015.9mbar

The month with the highest atmospheric pressure is May (1015.9mbar).
The month with the lowest atmospheric pressure is November (1008.2mbar).

Average wind speed in May
Straffan, Ireland

  • Average wind speed in May: 15.2km/h

The windiest month (with the highest average wind speed) is January (20.3km/h).
The calmest months (with the lowest average wind speed) are June and July (13.3km/h).

Average humidity in May
Straffan, Ireland

  • Average humidity in May: 86%

The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are March and April (85%).

Average rainfall in May
Straffan, Ireland

  • Average rainfall in May: 22mm

The wettest month (with the highest rainfall) is August (33mm).
The driest months (with the least rainfall) are January, April and October (16mm).

Average rainfall days in May
Straffan, Ireland

  • Average rainfall days in May: 16.8 days

The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (10.6 days).

Average snowfall in May
Straffan, Ireland

  • Average snowfall in May: 0mm

The month with the highest snowfall is January (15mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in May
Straffan, Ireland

  • Average snowfall days in May: 0 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, October and November (0 days).

Average daylight in May /
Average sunshine in May
Straffan, Ireland

  • Average daylight in May: 15h and 54min

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 May: 6h and 24min

The month with the most sunshine is April (Average sunshine: 6h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

Average sunshine days in May
Straffan, Ireland

  • Average sunshine days in May: 9 days

The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is July (5.8 days).

Average UV index in May
Straffan, Ireland

  • Average UV index in May: 4

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

Average cloud cover in May
Straffan, Ireland

  • Average cloud cover in May: 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).

Average visibility in May
Straffan, Ireland

  • Average visibility in May: 9km

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