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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- 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
Weather in January
January, the same as December, in Ireland, Washington, is a frosty winter month, with an average temperature fluctuating between 45°F (7.2°C) and 34.3°F (1.3°C). Ireland records a slight change with January's average high-temperatures adjusting to a still chilly 45°F (7.2°C) from December's 43.3°F (6.3°C). Weather in January »
Weather in February
The last month of the winter, February, is also a frosty month in Ireland, Washington, with an average temperature fluctuating between 45.9°F (7.7°C) and 34.5°F (1.4°C). In Ireland, February's average high-temperature stands at a still chilly 45.9°F (7.7°C), closely related to the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Ireland, Washington, with an average temperature varying between 36.5°F (2.5°C) and 50.9°F (10.5°C). Ireland, Washington, observes an average high-temperature of a cool 50.9°F (10.5°C) in March, barely different from 45.9°F (7.7°C) in February. Weather in March »
Weather in April
April in Ireland, Washington, is a refreshing spring month, with temperature in the range of an average high of 56.8°F (13.8°C) and an average low of 38.8°F (3.8°C). With the onset of April, Ireland observes a minor temperature ascent, with the average high-temperature adjusting from March's fresh 50.9°F (10.5°C) to a moderate 56.8°F (13.8°C). Weather in April »
Weather in May
The last month of the spring, May, is a comfortable month in Ireland, Washington, with an average temperature varying between 65.8°F (18.8°C) and 42.6°F (5.9°C). 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). Weather in May »
Weather in June
June, the first month of the summer in Ireland, is a pleasant month, with an average temperature fluctuating between 46.4°F (8°C) and 70.7°F (21.5°C). As Ireland welcomes June, the average high-temperature records at an agreeable 70.7°F (21.5°C), marking an insignificant deviation from the prior month. Weather in June »
Weather in July
July in Ireland, Washington, is a moderately hot summer month, with temperature in the range of an average low of 50°F (10°C) and an average high of 78.4°F (25.8°C). July's onset brings a subtle temperature rise, moving from an agreeable 70.7°F (21.5°C) in June to a warm 78.4°F (25.8°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Ireland, Washington, with an average temperature fluctuating between 52.7°F (11.5°C) and 79.7°F (26.5°C). The average temperatures reach their apex in August, averaging 79.7°F (26.5°C) at the high end and 52.7°F (11.5°C) at the low end. Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Ireland, Washington, with an average temperature ranging between max 72.5°F (22.5°C) and min 49.5°F (9.7°C). With the onset of September, the average high-temperature subtly recedes from August's warm 79.7°F (26.5°C) to a pleasant 72.5°F (22.5°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Ireland, Washington, with an average temperature fluctuating between 60.4°F (15.8°C) and 44.6°F (7°C). In Ireland, the average high-temperature in October decreases from an agreeable 72.5°F (22.5°C) in September to a mild 60.4°F (15.8°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Ireland, Washington, with an average temperature fluctuating between 38.8°F (3.8°C) and 50°F (10°C). Ireland's November weather features a mild decline in high-temperatures, reducing from a moderate 60.4°F (15.8°C) in October to a fresh 50°F (10°C). Weather in November »
Weather in December
December, the first month of the winter in Ireland, is also a frosty month, with an average temperature ranging between min 33.3°F (0.7°C) and max 43.3°F (6.3°C). Ireland's December weather, with an average high temperature of 43.3°F (6.3°C) and an average low temperature of 33.3°F (0.7°C), tends to be the coldest of the year. Weather in December »
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How much does it rain in Ireland?
Throughout the year, in Ireland, there are 171 rainfall days, and 37.2" (945mm) of precipitation is accumulated.
When does it snow in Ireland?
Months with snowfall in Ireland, Washington, are January through March, November and December.
How much does it snow in Ireland?
In Ireland, during the entire year, snow falls for 6.3 days and aggregates up to 4.37" (111mm) of snow.
When is the lowest UV index in Ireland?
The months with the lowest UV index in Ireland are January, February, November and December, with an average maximum UV index of 2.
What is the most humid month in Ireland?
The most humid month is February, with an average relative humidity of 84%.
What is the snowiest month in Ireland?
The month with the most snowfall in Ireland is February, when snow falls for 2.2 days and typically aggregates up to 1.54" (39mm) of snow.
What is the month with the least sunshine in Ireland?
With an average of 4.1h of sunshine, February has the least sunshine of the year in Ireland, Washington.
When is Daylight Saving Time (DST) in Ireland?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Ireland, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
When it does not snow in Ireland?
April through October are months without snowfall in Ireland, Washington.
When are the longest days in Ireland?
June has the longest days of the year, with an average of 15h and 36min of daylight.
What is the driest month in Ireland?
July is the month with the least rainfall. Rain falls for 4.9 days and accumulates 0.31" (8mm) of precipitation.
When is the highest UV index in Ireland?
With an average maximum UV index of 6, July is the month with the highest UV index.
What month is the hottest in Ireland?
In Ireland, August is identified by the average highest temperatures, reaching a peak of 79.7°F (26.5°C) and a low of 52.7°F (11.5°C).
What is the least humid month in Ireland?
The least humid month in Ireland is August, with an average relative humidity of 65%.
What month has the most sunshine in Ireland?
The month with the most sunshine in Ireland is August, with an average of 11h of sunshine.
What time of the year is the coldest in Ireland?
December, having an average high-temperature of 43.3°F (6.3°C) and an average low-temperature of 33.3°F (0.7°C), is the coldest month in Ireland.
What is the rainiest month in Ireland?
The month with the most rainfall is December, when the rain falls for 19 days and typically aggregates up to 5.63" (143mm) of precipitation.
What is the month with the shortest days in Ireland?
With an average of 8h and 48min of daylight, December has the shortest days of the year.
Average temperature
Ireland, WA
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).
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
Ireland, WA
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
30.06"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
30.02"Hg
- Average pressure in July:
30.03"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.11"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
Ireland, WA
- Average wind speed in January:
6.8mph - Average wind speed in February:
6.1mph - Average wind speed in March:
5.5mph - Average wind speed in April:
4.8mph - Average wind speed in May:
4.2mph - Average wind speed in June:
3.9mph
- Average wind speed in July:
3.7mph - Average wind speed in August:
3.5mph - Average wind speed in September:
3.9mph - Average wind speed in October:
4.8mph - Average wind speed in November:
6.1mph - Average wind speed in December:
6.3mph
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
Ireland, WA
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (65%).
Average rainfall
Ireland, WA
- Average rainfall in January:
5.47" - Average rainfall in February:
4.06" - Average rainfall in March:
4.02" - Average rainfall in April:
3.5" - Average rainfall in May:
2.01" - Average rainfall in June:
1.61"
- Average rainfall in July:
0.31" - Average rainfall in August:
0.43" - Average rainfall in September:
1.89" - Average rainfall in October:
3.98" - Average rainfall in November:
4.29" - Average rainfall in December:
5.63"
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
Ireland, WA
- Average rainfall days in January:
18.6 days - Average rainfall days in February:
17 days - Average rainfall days in March:
19.6 days - Average rainfall days in April:
18.6 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
11.1 days
- Average rainfall days in July:
4.9 days - Average rainfall days in August:
4.1 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
15.2 days - Average rainfall days in November:
18.5 days - Average rainfall days in December:
19 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
Ireland, WA
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
Ireland, WA
- Average snowfall days in January:
1.3 days - Average snowfall days in February:
2.2 days - Average snowfall days in March:
1.4 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
0.9 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 / Average sunshine
Ireland, WA
- Average daylight in January:
9h and 1min - Average daylight in February:
10h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 4min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 4min
- Average daylight in July:
15h and 2min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 3min - Average daylight in December:
8h 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 January:
4h and 1min - Average sunshine in February:
4h and 1min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 3min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
11h and 0min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 3min - Average sunshine in November:
4h and 4min - Average sunshine in December:
4h and 1min
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
Ireland, WA
- Average sunshine days in January:
10.8 days - Average sunshine days in February:
8.6 days - Average sunshine days in March:
9.5 days - Average sunshine days in April:
9.1 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
17.3 days
- Average sunshine days in July:
24.4 days - Average sunshine days in August:
25.3 days - Average sunshine days in September:
17.9 days - Average sunshine days in October:
15 days - Average sunshine days in November:
10.4 days - Average sunshine days in December:
10.5 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
Ireland, WA
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
Ireland, WA
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
Ireland, WA
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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