Climate in Connaught

Average daytime and nighttime temperatures

All climatic diagrams on this site result from the collected data from three measuring weather stations in Connaught.
All data correspond to the average monthly values of the last 20 years.

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Connaught is one of the coldest regions in Ireland with an average daily high temperature of only 13 degrees centigrade. This country would not be the best destination for a beach holiday. The maximum of summerly 16 degrees of water temperature gives little cause for joy. Due to the warmer temperatures the best time for traveling is from June to August. Less attractive are the cold months from November to March.
Overview: Climate in Ireland
Daylengths and sun positions in Ireland
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Hours of sunshine per daySunshine hours per day in Connaught
The number of hours of sunshine refers to the time when the sun is actually visible. That is, without any obstruction of visibility by clouds, fog or mountains. With 6 hours per day, May is the sunniest month in the region of Connaught. In December the sun shines the shortest.
Rainy days per monthRainy days per month in Connaught
A rainy day is a day on which at least an amount of 0.1 mm precipitation (=0.1 liter) per square meter falls. This can be rain, snow, hail or even dew. So it does not have to rain the whole day. With 20 rainy days, January offers the most number of rainy days, and in April the least.
Precipitation in mm/dayPrecipitation in Connaught
The amount of precipitation is measured in millimeters per square meter. Thus, at two mm/day, two liters of water fall on one square meter within 24 hours. With only 2.1 mm, the least rain falls in April. December, on the other hand, has the most rain.
Water temperatureWater temperatures in Connaught
Water temperature depends not only on solar radiation within the same region, but also on ocean currents. For example, depending on the season, cold or warm water masses are moved from other areas. The warmest temperatures in Connaught are in August, when the water is 16 °C.
Relative humidity in %Relative humidity in Connaught
Warm air can absorb more moisture than cold air. The relative humidity indicates how much moisture of the physically possible is actually contained in the air. At high humidity, the person feels uncomfortable and perceives this as oppressive. In general, a relative humidity of 40-60% gives as pleasant. With only 77% humidity on average, it is quite dry in May. The highest value of 87% is experienced here in December.
Absolute humidity in g/m³Absolute humidity in Connaught
In warm months, there is also a higher absolute humidity almost everywhere. At a temperature of 25°C, air can absorb up to 23 grams of water per cubic meter. At 20°C, it is only 17.3 grams. A relative humidity of 40% at 25°C thus corresponds to an absolute humidity of 9.2 grams of water. From a proportion of approx. 13.5 grams, humans perceive the air as muggy.
Humidex in °CHumidex in Connaught
The "Humidex" (humidity index) is an index of well-being in warmer areas, calculated from the air temperature, relative humidity and dew point. The index corresponds approximately to the temperature felt. At high temperatures, the body transports heat away by sweating. At high humidity the ambient air can only absorb a small amount of sweat and thus one feels uncomfortable. An index of 20-29 is considered comfortable. Up to 39, people perceive the air as slightly uncomfortable, and above 40, as very uncomfortable. Values above 45 are dangerous in the long run and often lead to heat stroke.
Climate charts for other regions in Ireland

Map of Connaught

Most important cities in the region »Connaught«

The region has a west-east extension of about 130 km and over 150 km from north to south.

CityPopulationGeo position
Gaillimh70,68653° 16' 19"N9° 2' 56"W
Sligo20,22854° 16' 11"N8° 28' 10"W
Castlebar12,87453° 51' 0"N9° 18' 0"W
Ballina10,08754° 7' 0"N9° 10' 0"W
Ballinasloe6,38853° 19' 39"N8° 13' 10"W
Westport6,20053° 47' 60"N9° 31' 0"W
Tuam6,13053° 31' 0"N8° 50' 60"W
Roscommon5,69353° 37' 60"N8° 10' 60"W
Loughrea5,06253° 11' 49"N8° 34' 1"W
Oranmore4,79953° 16' 6"N8° 55' 12"W
Carrick-on-Shannon3,98053° 56' 49"N8° 5' 24"W
Athenry3,95053° 17' 47"N8° 44' 35"W
Claremorris3,41253° 43' 0"N9° 0' 0"W
Ballinrobe2,70453° 37' 60"N9° 13' 60"W
Gort2,64453° 3' 59"N8° 49' 0"W
Ballyhaunis2,31253° 46' 0"N8° 46' 0"W
Boyle2,19953° 58' 0"N8° 18' 0"W
Clifden2,05653° 29' 21"N10° 1' 9"W
Castlerea1,98553° 46' 0"N8° 30' 0"W
Bearna1,87853° 15' 7"N9° 8' 59"W
Ballaghaderreen1,82253° 53' 60"N8° 34' 60"W
Tobercurry1,74754° 2' 60"N8° 43' 60"W
Strandhill1,59654° 16' 19"N8° 35' 36"W
Moycullen1,55953° 20' 16"N9° 10' 48"W
Ballymote1,53954° 4' 60"N8° 31' 0"W
Portumna1,53053° 5' 21"N8° 13' 8"W
Swinford1,43553° 57' 0"N8° 56' 60"W
Collooney1,36954° 10' 60"N8° 30' 0"W
Manorhamilton1,33654° 18' 23"N8° 10' 34"W
Oughterard1,33353° 25' 0"N9° 19' 60"W

Data basis: German Weather Service, individual values averaged and supplemented by own elements. Data on cities and inhabitants:, United Nations Statistics Division and own research.
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