December 2025

The City skyline on the evening of December 18th. A long spell of dark, wet spell of weather was ending. From the 21st onwards there was very little rainfall and the run up to Christmas 2025 was nice and dry. 

December Weather Summary:

The first three weeks saw almost 100mm of rainfall. Overall rainfall was a little above normal (109%). The wettest day was the 20th with 16.6mm of rain. 

The mean temperature of 5.9° was just a little above normal and was our coolest in 3 years. Daytime temperatures were quite mild but the slack winds allowed much frost and fog to form. In all there were 10 days when it dipped below zero, but none of the frosts were severe. 

Storm Bram struck on December the 9th and brought a peak gust of 84 km/hr. 

November 2025

There was plenty of rain this month. The photo above shows a good flow on the Lingaun River on November 10th. By the end of the month there was a total of 144.2mm which made it our wettest November in 16 years

November Weather Summary:

The month began very mild and it wasnt until the 20th until we recorded the first air frost of autumn. But it did turn colder and by the end of the month there were 7 air frosts. The mean temperature overall was almost 8° which is 0.7° above the 1991-2020 value. 

Rainfall was pretty continuous all through. The wettest day was the 14th with 21.5mm of rain. Top wind gust was only 55 km/hr on 27th and 28th. 

October 2025

Shallow fog over Mullinavat on the morning of October 22nd. There were some dry days, especially in the first half of the month. But plenty of rainfall too especially in the second half of the month. 

October Weather Summary:

The mean temperature was again above normal. The warmest day was on the first of the month when it reached 19.5°. There were some cool nights, but no air frost. Lowest was 2.2° on the 30th. 

Rainfall total was 102.9mm and this is a little above normal. Wettest day was the 18th with 28.7mm. This was our wettest day of the year so far. Top wind gust of 76km/hr occurred on October 3rd during Storm Amy. 

September 2025

A heron swoops down the King's River near Ennisnag on September 11th. The month got progressively wetter and with cool nights and days the mean temperature ended up a little below the latest 30 year norm. 

September Weather Summary:

It was wetter than normal with mean temperature of 12.8° a little below normal. The highest temperature was 21.0° on the 17th and the lowest was 0.6° on the 23rd. There were 11 nights with ground frost. IT was our coolest September in 7 years.

Rainfall total of 96.0mm was above normal. Wettest day was 16th with 13.5mm. Top wind gust was 62 km/hr on 15th. 

August 2025

Parched conditions in the city near the WW1 Memorial on August 24th. The very dry conditions were somewhat relieved 2 days later when 13.8mm of rain fell. It still ended up with less than half the normal rainfall. 

August Weather Summary:

It was a dry and warm month. Mean temperature was 17° and it was enough to make it our warmest August since 2003 (22 years). Warmest day was the 12th when it reached 28.7°. The lowest was 6.7° on 22nd. There were 4 days when it exceeded 25°. 

Rainfall was scarce with only 7mm falling up to the 24th (see picture). The final week saw some rainfall and brought the total up to 30.1mm. This was just slightly above last year's August total. There were no windstorms and thunder recorded during the month. 

 

 

July 2025

A new solar farm being constructed at Bob's Hill, Thornback on July 7th. This was the start of a warm week which culminated in a maximum of 30.0° on the 12th. The last half of the month saw some more rainfall and was quite dull at times but warm.

 

July Weather Summary:

It was a warm month with average rainfall. Mean temperature of 17.3° was +1.2° above normal. There were 23 days with maximum of 20° or more. The coldest night was the 3rd with a minimum of 5.4° and a touch of ground frost. 

Rainfall was scarce in the first 12 days with only 2mm recorded. There was thunder in the morning of the 14th and thereafter the rainfall steadily increased. The wettest day was in the early hours of the 21st when a total of 24.8mm fell, making the 20th our wettest day of the year so far. 

June 2025

View from the biodiversity garden at Thomastown overlooking the River Nore on a sultry morning June 28th. In fact this picture was taken the morning after the warmest night on record at Kilkenny. Persistent overnight cloud and a warm SW breeze held the temperature to a minimum of 18.4° (beating the old record of 18.2° from July 23rd 2018).  

 

June Weather Summary:

It was another warm month with a mean temperature of 15.8°. A new record was set on the 28th when we had our highest min on record (see above). The warmest daytime temperature was 27.0° on the 20th and lowest was 4.0° on the 8th. There were 3 days with grass frost. It was our warmest June since 2023. 

Rainfall was below normal with only small amounts falling on many days. The total of 46.5mm was just 70% of normal but it was still slightly wetter than last June. Thunder was heard on one day (14th) which was also the wettest day with 13.1mm recorded. 

May 2025

Thunderstorm approaching Mooncoin on May 20th. The first half of the month was very dry and sunny but on the 19th and 20th thundershowers broke out giving hail and some local deluges.  

 

May Weather Summary:

It was another sunny, warm month with less than half the normal rainfall. The mean temperature was well above normal. It exceeded 13° for the 4th May in a row. The days were warm and it reached 20° or more on 13 occasions.But the nights were clear and cool. There were 17 nights with ground frost and even an air frost on the 6th, when it dipped to -0.3°. Top temperature was 23.5° on 13th. 

There was very little rainfall up to the 19th. An absolute drought occurred between April 26th to May 10th (inclusive). Wettest day was 26th with 13.4mm.

April 2025

April 1st at Burnchurch and a warm sunny was about to unfold. It ended up a record breaking month as on the last day, the temperature reached 24.1° and thereby set a new April record for Kilkenny. 

 

April Weather Summary:

April was sunny and warm with normal rainfall. The mean temperature of 10.9° was more akin to May than April. It was our warmest April since 2011. There was one day with an air frost. the 17th when it dipped to -1.3°. There were 3 days though above 20°.

Rainfall was scarce in the first half of the month buy around the middle of the month, Good Friday, there was a lot of continuous rainfall and it ended up wetter than normal. Wettest day was 17th with 17.8mm. There were no storms during the month and top gust was only 45 km/hr on 15th. 

March 2025

The bridge at Bennettesbridge on March 20th. This was one of many beautiful days that occurred during the month. The temperature peaked at 18.4° on this day. 

 

March Weather Summary:

March was sunny, dry and warmer than normal. The mean temperature was 1.5° above normal and it was our warmest March since 2017. There were 5 days with air frost with the lowest being -2.1° on the 15th.

Rainfall was well below normal with a total of only 19.5mm. It was our driest since 2011. Wettest day was on the 11th with 6.0mm. Top wind gust of 63 km/hr was recorded on the 27th. 

February 2025

The new bridge over the River Breagagh near Coote's Lane on Friday 21st. This was a rare bright day in what was otherwise a very dull month with frequent east and south east breezes.

 

February Weather Summary:

The overall mean temperature was above normal but it was still our coolest February in 4 years. Warmest day was the 20th when it reached 14.6° and lowest was -3.4° on 6th. There were 6 air frosts nut none between the 9th and 26th. 

Rainfall was above normal but not as wet as last February. Wettest day was the 20th with 16.3mm. Top wind gust was 71 km/hr on 23rd and thunder was heard on the 20th (with hail).

January 2025

A snowy Black Abbey on Monday January 6th. Starting on Saturday evening and occluded front stalled over Ireland and sleet turned to snow. This got heavier from noon on Sunday and by late afternoon there was as much as 10cm of lying snow. As temperatures were a little above zero, this melted a little but later re-froze and became a hard-packed mass of snow 7cm deep that remained on the ground until the end of the week. 

January Weather Summary:

The first third of the month was very cold but then it turned mild before finishing with average temperatures. The mean temperature for the month was below normal but not as cold as last year's. The coldest night was -6.4° on the 10th and there were 14 days with air frost. On the 8th, the temperature failed to rise above zero. The warmest day was the 14th when it reached 12.5°.  

Rainfall was a little above normal and it was our wettest January in 7 years. This was also the first month with above normal rainfall since May 2024. Storm Éowyn struck in the early hours of the 24th and registered a gust of 94 km/hr. But this was considerably lower than that recorded all points north and west of Kilkenny and we escaped lightly.