Ireland Weather by Month: Temperature, Wind, UV
What is the average monthly temperature in Ireland?
The average monthly temperature in Ireland ranges from 6°C (42.9°F) in January to 15.9°C (60.6°F) in June. Ireland temperature by month is given in the table below.
| Month | Celsius | Fahrenheit |
|---|---|---|
| January | 6.0°C | 42.8°F |
| February | 7.5°C | 45.5°F |
| March | 7.0°C | 44.6°F |
| April | 8.9°C | 48.0°F |
| May | 12.4°C | 54.3°F |
| June | 15.9°C | 60.6°F |
| July | 14.8°C | 58.6°F |
| August | 15.3°C | 59.5°F |
| September | 14.7°C | 58.5°F |
| October | 11.6°C | 52.9°F |
| November | 7.5°C | 45.5°F |
| December | 7.6°C | 45.7°F |
What is the hottest month in Ireland?
The hottest months in Ireland are June, August and July. During June the average temperature outside is 15.9°C (60.6°F), in August it is 15.3°C (59.5°F) and during July the air temperature is around 14.8°C (58.6°F).
What is the coldest month in Ireland?
The coldest months in Ireland are January, March and February. In January the average air temperature drops to 6°C (42.8°F), in March air temperature is 7°C (44.6°F) and during February it is 7.5°C (45.5°F).
How much does it rain on average in Ireland?
On average it rains for 12 month(s) in Ireland with an average of 23.8 days of rain per month. In total Ireland has 285 rainy days in a year.
When does it rain the most in Ireland?
In Ireland it rains the most during the following months.
- July - on average 3.46mm (0.14 inches) of rainfall per day.
- September - on average 3.33mm (0.13 inches) of rainfall per day.
- October - on average 3.1mm (0.12 inches) of rainfall per day.
- March - on average 2.72mm (0.11 inches) of rainfall per day.
- August - on average 2.71mm (0.11 inches) of rainfall per day.
- November - on average 1.68mm (0.07 inches) of rainfall per day.
Does it snow in Ireland?
Yes, it snows in Ireland. The following months have the most amount of snow.
- March. Ireland has 0.02mm (0 inches) of snowfall and 0.04 mm (0 inches) of snow on the ground in March.
When is it windy in Ireland?
The windiest months in Ireland are December, January and March. In December the average windspeed is 34.3 km/h (21.3 mph), during January the windspeed is 28.8 km/h (17.9 mph) and in March the windspeed is 27.8 km/h (17.3 mph).
What are the least windy months in Ireland?
The least windy months in Ireland are May, June and October. In May the average windspeed is 20.7 km/h (12.9 mph), during June the windspeed is 22.2 km/h (13.8 mph) and in October the windspeed is 23.8 km/h (14.8 mph).
When is it cloudy in Ireland?
The cloudiest months in Ireland are July, March and August. On average in July 79.5% of sky is covered by clouds, in March 77.6% is covered by clouds and in August clouds cover about 76.4% of sky.
When does Ireland have the clearest sky?
Ireland has the clearest sky in June, September and May. In June 63.7% of sky is covered by clouds, in September clouds cover around 66.6% and during May clouds cover about 69.5% of sky.
What is the average daylight duration in Ireland?
The average daylight duration in Ireland is 12 hours 16 minutes 49 seconds.
Which months have the most daylight in Ireland?
The longest days in Ireland are during June, July and May.
- June - 16 hours 54 minutes 26 seconds of daylight.
- July - 16 hours 24 minutes 44 seconds of daylight.
- May - 15 hours 53 minutes 19 seconds of daylight.
Which months have the least daylight in Ireland?
The shortest days in Ireland are during December, January and November.
- December - 7 hours 36 minutes 12 seconds of daylight.
- January - 8 hours 9 minutes 31 seconds of daylight.
- November - 8 hours 39 minutes 44 seconds of daylight.
What are the humidity levels in Ireland throughout the year?
Humidity levels in Ireland range from 77.1% in June to 86.8% in November.
What are the pressure levels in Ireland throughout the year?
Pressure levels in Ireland change from 1003.1 mb (millibars) in November to 1026.8 mb in February.
What is the visibility in Ireland throughout the year?
Visibility in Ireland changes from lowest 15.8 km (9.8 miles) in December to highest 20.2 km (12.6 miles) in May.
What are the UV levels in Ireland throughout the year?
UV levels change in Ireland from 1.3 in January to 6.8 in June.
Which months have the highest UV levels in Ireland throughout the year?
In Ireland the highest UV index is during June, May and August. During June the average UV index is 6.8, in May UV level is 6.4 and in August UV index is around 6.4.
Which months have the lowest UV levels in Ireland throughout the year?
The lowest UV levels in Ireland are in January, December and November. In January the average UV index is around 1.3, in December UV index is 1.3 and during November UV level is 1.7.