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Contents
- The climate of Kilkenny
- The best time to visit Kilkenny
- The worst time to visit Kilkenny
- Spring weather in Kilkenny
- Summer weather in Kilkenny
- Autumn weather in Kilkenny
- Winter weather in Kilkenny
- 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 humidity
- Average rainfall
- Average rainfall days
- Average snowfall days
- Average daylight
- Average sunshine
- Average UV index
The climate of Kilkenny
The city of Kilkenny, situated in Ireland, experiences a marine west coast climate known as Cfb in the Köppen climate classification. This climate category exhibits a moderate temperature range, noticeable but not excessive rainfall, and few extremes in weather patterns. The weather follows a predictable pattern throughout the year, presenting identifiable seasonal differences.
Analyzing the yearly weather cycles, it becomes clear that temperatures remain quite temperate, ranging from a low of 1.6°C (34.9°F) in January to a peak of 20.3°C (68.5°F) in July. Rainfall is a consistent aspect of Kilkenny's climate with the lowest rainfall of 55mm (2.17") recorded in July and the highest at 95mm (3.74") in October. In terms of humidity, the peak relative humidity of 81.8% is in December, tapering down to the lowest level of 63.4% in May.
In terms of unique weather patterns, Kilkenny's rainfall is persistent, with precipitations seen even in the driest month of July. Snowfall is less common and primarily confined to the winter months, with the most significant snowfall days noted in January and February at 3.6 days each and a small amount in March. A notable characteristic is the consistent duration of daylight, peaking at 16.8 hours in June and decreasing to a minimum of 7.7 hours in December.
Analyzing the yearly weather cycles, it becomes clear that temperatures remain quite temperate, ranging from a low of 1.6°C (34.9°F) in January to a peak of 20.3°C (68.5°F) in July. Rainfall is a consistent aspect of Kilkenny's climate with the lowest rainfall of 55mm (2.17") recorded in July and the highest at 95mm (3.74") in October. In terms of humidity, the peak relative humidity of 81.8% is in December, tapering down to the lowest level of 63.4% in May.
In terms of unique weather patterns, Kilkenny's rainfall is persistent, with precipitations seen even in the driest month of July. Snowfall is less common and primarily confined to the winter months, with the most significant snowfall days noted in January and February at 3.6 days each and a small amount in March. A notable characteristic is the consistent duration of daylight, peaking at 16.8 hours in June and decreasing to a minimum of 7.7 hours in December.
The best time to visit Kilkenny
Considering the combination of acceptable temperatures, minimal rainfall, and an adequate duration of daylight and sunshine hours, the peak summer months, specifically from June to August, are most recommended for visiting Kilkenny. During this period, the warmth is sufficient without becoming uncomfortably hot, with temperatures ranging from 18.2°C (64.8°F) to 20.3°C (68.5°F). Furthermore, these months also see a moderate level of rainfall, between 55mm (2.17") and 78mm (3.07"), contributing to the overall agreeable conditions.
The worst time to visit Kilkenny
In contrast, the winter months from December to February may not be the most opportune time to explore Kilkenny. While temperatures are not extraordinarily low, they range between 1.6°C (34.9°F) to 1.9°C (35.4°F) introducing a significant chill. Additionally, these months witness a relative increase in rainfall, from 78mm (3.07") in December to 90mm (3.54") in February, and the least amount of sunshine hours at 1.6 to 1.8 hours per day.
Spring weather in Kilkenny
The spring season in Kilkenny, from March to May, brings a progressive rise in temperatures. Beginning with an average low of 3.2°C (37.8°F) in March, temperatures increase steadily, reaching a comfortable 15.7°C (60.3°F) in May. Rainfall ranges from 56mm (2.2") to 68mm (2.68"), while daylight extends from 11.9 hours in March to an appreciable 15.8 hours in May, complemented by an increase in sunshine hours.
Summer weather in Kilkenny
The summer months of June, July, and August provide reliably warm and fairly dry weather in Kilkenny. Average temperatures range from 18.2°C (64.8°F) to 20.3°C (68.5°F), with relative humidity between 65.2% and 65.9%. Rainfall, while continuing to be present, is not excessive, remaining between 55mm (2.17") and 78mm (3.07"). With up to 16.8 hours of daylight in June and substantial sunshine hours, summer is the most inviting season.
Autumn weather in Kilkenny
Autumn weather in Kilkenny, experienced between September and November, is characterized by moderate temperatures, gradually falling from 17.8°C (64°F) in September to 10.8°C (51.4°F) by November. Rainfall increases during this period, peaking at 95mm (3.74") in October. Despite the reduction in daylight from 12.7 hours to 8.7 hours, the relative humidity remains comfortably under 80%.
Winter weather in Kilkenny
A typical Kilkenny winter, spanning December to February, can be chilly but not freezing, with temperatures of around 1.6°C (34.9°F) in December and slightly rising to 1.9°C (35.4°F) by February. Rainfall is relatively high, reaching up to 90mm (3.54") in February, while sunshine hours drop down to an average of 1.6 to 1.8 hours daily. With relative humidity rising to around 81.8% in December, the winter months in Kilkenny are damp and cold yet manageable.
Weather in January
Expect winter temperatures in Kilkenny, Ireland to persist during January, as it represents the continuation of the colder part of the year. As the month transitions from December, the temperatures follow suit, ranging from the lowest temperature of 1.6°C (34.9°F) to a high of 8.2°C (46.8°F). Weather in January »
Weather in February
Weather conditions in Kilkenny continue to remain cold in February, although with a slight upward shift in temperatures compared to January. It brings along a characteristically Irish drizzle, though the frequency of rainfall days slightly decreases compared to the previous month, with about 66mm (2.6") falling over 12 days. Weather in February »
Weather in March
As March rolls in, Kilkenny begins to welcome the early signs of spring. Weather conditions during this month show an overall improvement, with a noticeable rise in daylight hours and the added benefit of longer sunshine duration. Weather in March »
Weather in April
April in Kilkenny showcases a definitive transition from winter to spring, with the weather showing a marked improvement. The amount of sunshine received increases significantly, contributing to warmer temperatures. Although the risk of rain persists, it becomes less frequent and severe, with an average of 56mm (2.2") falling across 10 days during the month. Weather in April »
Weather in May
Continuing the upward trend, May sees a significant increase in temperature, signalling the onset of warm weather in Kilkenny. Humidity retains a steady level, contributing to the cozy atmosphere the city is well-know for. Rainfall remains consistent, and the snowfall all but ceases. Weather in May »
Weather in June
As summer arrives in June, Kilkenny welcomes the highest daylight hours of the year, meaning you'll have extra time to explore the beauty of this city. Complemented by warm temperatures and a humidity level that doesn't veer too far off from May, these conditions create a welcoming environment for visitors. Weather in June »
Weather in July
July in Kilkenny is characteristically warm, with the highest average temperatures of the year, peaking at a delightfully mild 20.3°C (68.5°F). Sunny days and long daylight hours create abundant opportunities to enjoy all that the city has to offer. Weather in July »
Weather in August
August continues to uphold the warm summer weather in Kilkenny, with average temperatures almost identical to those seen in July. However, rainfall seems to pick up once again, reaching a high for the summer months, totaling 78mm (3.07") throughout the month. Weather in August »
Weather in September
As summer transitions into autumn, September in Kilkenny witnesses a slight cool down in temperatures compared to the preceding months. Warm days still prevail, providing ample opportunity for outdoor exploration. Despite the onset of autumn, there is no significant surge in rainfall, and snowfall remains absent. Weather in September »
Weather in October
October represents a return to the more traditional Irish weather patterns in Kilkenny, with a notable decrease in temperatures and the ever-present chance of rain. A more substantial amount of rainfall is experienced with 95mm (3.74") accumulating over 13 days. Weather in October »
Weather in November
November in Kilkenny is characterized by an onset of early winter conditions, although not as severe as those experienced in the later winter months. Rain continues to be a regular occurrence and snow begins to lightly dust the city. Weather in November »
Weather in December
With the arrival of December, winter fully settles in Kilkenny. The weather conditions are characterized by cold temperatures, minimal sunshine hours, and the highest relative humidity at 81.8% compared to other months. Snowfall is again a possibility, adding a festive touch to the city scenery. Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Kilkenny?
In Kilkenny, January is known for its average lowest temperatures, reaching a high of 8.2°C (46.8°F) and a low of 1.6°C (34.9°F).
How many days does it rain in Kilkenny?
In Kilkenny, Ireland, during the entire year, the rain falls for 135 days and collects up to 857mm (33.74") of precipitation.
When does it snow in Kilkenny?
January through May, November and December are months with snowfall in Kilkenny, Ireland.
When does it snow the most in Kilkenny?
The months with the most snowfall days are January and February, with an average of 3.6 snowfall days.
How many days does it snow in Kilkenny?
Throughout the year, there are 12.7 snowfall days.
What is the least humid month in Kilkenny?
May is the least humid month in Kilkenny, Ireland, with an average relative humidity of 63.4%.
What month has the most sunshine in Kilkenny?
The month with the most sunshine is May, with an average of 5.6h of sunshine.
When it does not snow in Kilkenny?
In Kilkenny, Ireland, snow does not fall in June through October.
When are the longest days in Kilkenny?
June has the longest days of the year, with an average of 16h and 48min of daylight.
What is the month with the highest UV index in Kilkenny?
The months with the highest UV index in Kilkenny, Ireland, are June and July, with an average maximum UV index of 6.
What is the warmest month in Kilkenny?
In Kilkenny, the average temperatures in July are the highest, with a peak at 20.3°C (68.5°F) and a low of 11.3°C (52.3°F).
What is the driest month in Kilkenny?
The month with the least rainfall in Kilkenny is July, when the rain falls for 9 days and typically collects 55mm (2.17") of precipitation.
What is the rainiest month in Kilkenny?
The month with the most rainfall in Kilkenny is October, when the rain falls for 13 days and typically aggregates up to 95mm (3.74") of precipitation.
When is Daylight Saving Time (DST) in Kilkenny?
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from IST to GMT. Daylight Saving Time ends on Sunday, 30. March 2025, at 1:00 am, and the time zone reverts from GMT to IST.
What is the most humid month in Kilkenny?
The most humid month in Kilkenny is December, with an average relative humidity of 81.8%.
What is the month with the shortest days in Kilkenny?
December has the shortest days of the year in Kilkenny, Ireland, with an average of 7h and 42min of daylight.
What is the month with the least sunshine in Kilkenny?
December has the least sunshine of the year, with an average of 1.6h of sunshine.
When is the lowest UV index in Kilkenny?
The month with the lowest UV index in Kilkenny is December, with an average maximum UV index of 0.
Average temperature
Kilkenny, Ireland
The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (8.2°C).
The month with the highest average low temperature is July (11.3°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average humidity
Kilkenny, Ireland
- Average humidity in January:
79.5% - Average humidity in February:
74.3% - Average humidity in March:
69.2% - Average humidity in April:
63.6% - Average humidity in May:
63.4% - Average humidity in June:
65.9%
- Average humidity in July:
65.2% - Average humidity in August:
65.1% - Average humidity in September:
67.5% - Average humidity in October:
74.2% - Average humidity in November:
78.9% - Average humidity in December:
81.8%
The month with the highest relative humidity is December (81.8%).
The month with the lowest relative humidity is May (63.4%).
Average rainfall
Kilkenny, Ireland
- Average rainfall in January:
78.3mm - Average rainfall in February:
66.1mm - Average rainfall in March:
67.9mm - Average rainfall in April:
56.4mm - Average rainfall in May:
60.4mm - Average rainfall in June:
61mm
- Average rainfall in July:
54.6mm - Average rainfall in August:
77.8mm - Average rainfall in September:
69mm - Average rainfall in October:
95.3mm - Average rainfall in November:
80.2mm - Average rainfall in December:
90.4mm
The wettest month (with the highest rainfall) is October (95.3mm).
The driest month (with the least rainfall) is July (54.6mm).
Average rainfall days
Kilkenny, Ireland
- Average rainfall days in January:
13 days - Average rainfall days in February:
12 days - Average rainfall days in March:
12 days - Average rainfall days in April:
10 days - Average rainfall days in May:
11 days - Average rainfall days in June:
10 days
- Average rainfall days in July:
9 days - Average rainfall days in August:
10 days - Average rainfall days in September:
10 days - Average rainfall days in October:
13 days - Average rainfall days in November:
12 days - Average rainfall days in December:
13 days
The months with the highest number of rainy days are January, October and December (13 days).
The month with the least rainy days is July (9 days).
Average snowfall days
Kilkenny, Ireland
- Average snowfall days in January:
3.6 days - Average snowfall days in February:
3.6 days - Average snowfall days in March:
2.5 days - Average snowfall days in April:
0.8 days - Average snowfall days in May:
0.1 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:
0.1 days - Average snowfall days in December:
2 days
The months with the highest number of snowfall days are January and February (3.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Kilkenny, Ireland
- Average daylight in January:
8h and 2min - Average daylight in February:
9h and 5min - Average daylight in March:
11h and 5min - Average daylight in April:
14h and 0min - Average daylight in May:
15h and 5min - Average daylight in June:
16h and 5min
- Average daylight in July:
16h and 2min - Average daylight in August:
14h and 4min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 4min - Average daylight in November:
8h and 4min - Average daylight in December:
7h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in January:
1h and 5min - Average sunshine in February:
2h and 2min - Average sunshine in March:
3h and 1min - Average sunshine in April:
4h and 5min - Average sunshine in May:
5h and 4min - Average sunshine in June:
4h and 5min
- Average sunshine in July:
4h and 4min - Average sunshine in August:
4h and 4min - Average sunshine in September:
4h and 1min - Average sunshine in October:
3h and 0min - Average sunshine in November:
2h and 1min - Average sunshine in December:
1h and 4min
The month with the most sunshine is May (Average sunshine: 5h and 36min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average UV index
Kilkenny, Ireland
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 0).
Kilkenny, Ireland
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