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
Ireland sees an increase in average high-temperatures during May, moving from a mild 56.8°F (13.8°C) in April to an enjoyable 65.8°F (18.8°C). Compared to daytime temperatures, Ireland's temperature drops significantly, averaging a cold 42.6°F (5.9°C) during the nights of May.Humidity
In May, the average relative humidity in Ireland, Washington, is 73%.Rainfall
In Ireland, Washington, during May, the rain falls for 14.3 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Ireland, during the entire year, the rain falls for 171 days and collects up to 37.2" (945mm) of precipitation.Snowfall
In Ireland, snow does not fall in April through October.Daylight
The average length of the day in May in Ireland is 14h and 57min.On the first day of the month, sunrise is at 5:55 am and sunset at 8:17 pm. On the last day of May, sunrise is at 5:23 am and sunset at 8:51 pm PDT.
Sunshine
The average sunshine in May in Ireland, Washington, is 8.8h.UV index
In May, the average daily maximum UV index in Ireland is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In May, the maximum UV index of 4 transforms into these recommendations:
Ensure safety - Sun damage prevention is strongly urged. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Ireland in May?
What is the average humidity in May in Ireland?
How many days does it rain in May in Ireland?
When it does not snow in Ireland?
How many hours of daylight does Ireland have in May?
When are sunrise and sunset in May in Ireland?
How long on average sun shines in May in Ireland?
What is the UV index intensity in May in Ireland?
Average temperature in May
Ireland, WA
- Average high temperature in May: 65.8°F
The warmest month (with the highest average high temperature) is August (79.7°F).
The month with the lowest average high temperature is December (43.3°F).
- Average low temperature in May: 42.6°F
The month with the highest average low temperature is August (52.7°F).
The coldest month (with the lowest average low temperature) is December (33.3°F).
Average pressure in May
Ireland, WA
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in May
Ireland, WA
- Average wind speed in May: 4.2mph
The windiest month (with the highest average wind speed) is January (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in May
Ireland, WA
- Average humidity in May: 73%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (65%).
Average rainfall in May
Ireland, WA
- Average rainfall in May: 2.01"
The wettest month (with the highest rainfall) is December (5.63").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in May
Ireland, WA
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is March (19.6 days).
The month with the least rainy days is August (4.1 days).
Average snowfall in May
Ireland, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Ireland, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Ireland, WA
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in May
Ireland, WA
- Average sunshine days in May: 15.3 days
The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in May
Ireland, WA
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Ireland, WA
- Average cloud cover in May: 46
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in May
Ireland, WA
- Average visibility in May: 5mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (5mi).
Ireland, Washington, USA
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