Country Overview For Ireland
The climate in Ireland is typically temperate maritime; modified by North Atlantic Current; mild winters, cool summers; consistently humid; overcast about half the time. The terrain: mostly level to rolling interior plain surrounded by rugged hills and low mountains; sea cliffs on west coast. For Dublin in January the daily average maximum temperatures is 8°C with the average minimum 3°C, while in June the average maximum is 18°C with a minimum of 9°C. The wettest month for Dublin is October with an average of 89.0mm of precipitation falling while the driest month is March with 54.9mm falling.
HISTORICAL MONTHLY AVERAGES FOR JANUARY
The information presented below gives detailed historical monthly average weather conditions along with exceptional weather occurrences. To maintain relevance to current weather trends the displayed information has been calculated using data collected over the past two decades. The climate profile is taken from closest available data source to Malin More.
Throughout the month of January daytime temperatures will generally reach highs of around 9°C that's about 48°F. At night the average minimum temperature drops down to around 4°C, that's 39°F.
In recent times the highest recorded temperature in January has been 14°C that's 57°F, with the lowest recorded temperature -5°C, about 23°F.
The average daily relative humidity for January is around 86%.
The Heat Index is a measure of how hot it feels when relative humidity is added to actual air temperature. From this a comfort level is calculated providing categories on how heat conditions might adversely affect someone.
Comfort Levels: Given average maximum temperatures and humidity levels generally you should not anticipate any discomfort from heat (see heat index for more information).
The average daily wind speed in January has been around 24 km/h, that’s the equivalent to about 15 mph, or 13 knots. In recent years the maximum sustained wind speed has reached 87 km/h, that’s the equivalent of around 54 mph, or 47 knots.
On average the month of January is not affected by foggy conditions.
YEARLY TRENDS: WEATHER AVERAGES & EXTREMES
The following charts show yearly weather trends with information on monthly weather averages and extremes.
The chart below plots the average high and low temperature for each month of the year. It also shows the maximum and minimum recorded temperatures.
The chart below plots the average daily wind speed you can expect for any month. It also shows the maximum recorded sustained wind speed for each month.