Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May's weather displays an average high-temperature of a fresh 12.2°C (54°F), slightly varied from April's 9.8°C (49.6°F). In Portaferry, the month of May records an average minimum temperature of 8.9°C (48°F), a slight dip from the daily highs.Humidity
In Portaferry, the average relative humidity in May is 82%.Rainfall
May is the month with the least rainfall in Portaferry, United Kingdom. Rain falls for 14.1 days and accumulates 20mm (0.79") of precipitation.Snowfall
In Portaferry, snow does not fall in April through October.Daylight
In May, the average length of the day is 16h and 4min.On the first day of May, sunrise is at 5:42 am and sunset at 8:55 pm. On the last day of the month, sunrise is at 4:54 am and sunset at 9:45 pm BST.
Sunshine
The months with the most sunshine in Portaferry, United Kingdom, are May and June, with an average of 7.9h of sunshine.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index in Portaferry. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 4 during May morphs into the following directions:
Undertake protective steps - Recommendations to avoid sunburn are issued. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Frequently asked questions
What is the usual temperature for Portaferry in May?
What is the average humidity in May in Portaferry?
What is the driest month in Portaferry?
How much does it rain in Portaferry in May?
When it does not snow in Portaferry?
What is the average length of the day in May in Portaferry?
When is the sunrise / sunset in May in Portaferry?
What is the month with the most sunshine in Portaferry?
How many hours of sunshine does Portaferry have in May?
When is the highest UV index in Portaferry?
What is the UV index intensity in May in Portaferry?
Average temperature in May
Portaferry, United Kingdom
- Average high temperature in May: 12.2°C
The warmest month (with the highest average high temperature) is August (16.3°C).
The month with the lowest average high temperature is February (7.5°C).
- Average low temperature in May: 8.9°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is February (4.9°C).
Average pressure in May
Portaferry, United Kingdom
- Average pressure in May: 1015.7mbar
The month with the highest atmospheric pressure is May (1015.7mbar).
The month with the lowest atmospheric pressure is November (1007.7mbar).
Average wind speed in May
Portaferry, United Kingdom
- Average wind speed in May: 19.8km/h
The windiest month (with the highest average wind speed) is December (28.9km/h).
The calmest month (with the lowest average wind speed) is June (17.3km/h).
Average humidity in May
Portaferry, United Kingdom
- Average humidity in May: 82%
The months with the highest relative humidity are July and August (85%).
The months with the lowest relative humidity are March, April and November (81%).
Average rainfall in May
Portaferry, United Kingdom
- Average rainfall in May: 20mm
The wettest month (with the highest rainfall) is November (52mm).
The driest month (with the least rainfall) is May (20mm).
Average rainfall days in May
Portaferry, United Kingdom
- Average rainfall days in May: 14.1 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is September (10.8 days).
Average snowfall in May
Portaferry, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is December (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Portaferry, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.6 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
Portaferry, United Kingdom
- Average daylight in May: 16h and 1min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in May: 7h and 5min
The months with the most sunshine are May and June (Average sunshine: 7h and 54min).
The months with the least sunshine are January, February and November (Average sunshine: 4h and 6min).
Average sunshine days in May
Portaferry, United Kingdom
- Average sunshine days in May: 14 days
The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is August (9.5 days).
Average UV index in May
Portaferry, United Kingdom
- 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, March and December (UV index 2).
Average cloud cover in May
Portaferry, United Kingdom
- Average cloud cover in May: 49
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are April and May (Cloud cover 49).
Average visibility in May
Portaferry, United Kingdom
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Portaferry, United Kingdom
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