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Contents
- The climate of Sligo
- The Best Time to Visit Sligo
- The Worst Time to Visit Sligo
- Spring Weather in Sligo
- Summer Weather in Sligo
- Autumn Weather in Sligo
- Winter Weather in Sligo
- 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 rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average UV index
The climate of Sligo
Sligo, a city in the northwest of Ireland, embraces a maritime climate, namely a Cfb Köppen climate classification. This type of climate exhibits similarities to a marine west coast climate, but is characterized by mild, cool summers, while winters tend to be damp and relatively mild.
The city's weather demonstrates conspicuous attributes that indicate a consistent precipitation distribution throughout the year. The variance in rainfall ranges from around 78mm (3.07") in April to 134mm (5.28") in October. In terms of rainy days, Sligo experiences approximately 18 to 23 wet days per month across the year.
The temperature in Sligo fluctuates all year round, ranging from 1°C (33.8°F) in the colder months of January and February up to 18°C (64.4°F) during the peak of summer months of July and August. The sea temp, notwithstanding, tends to be colder, starting from 9°C (48.2°F) in the beginning up to mid-year, then gradually warm up to 14°C (57.2°F) by July throughout September, and cool down towards the end of the year.
Sunlight exposure in Sligo follows a similar seasonal pattern. From an average of 8 daylight hours in January, the city enjoys up to around 17.1 daylight hours in June before tapering off towards the end of the year. This is complemented by a varying average monthly UV index, peaking at 6 during the summer months of June and July, and dropping to 0 in the winter months.
The city's weather demonstrates conspicuous attributes that indicate a consistent precipitation distribution throughout the year. The variance in rainfall ranges from around 78mm (3.07") in April to 134mm (5.28") in October. In terms of rainy days, Sligo experiences approximately 18 to 23 wet days per month across the year.
The temperature in Sligo fluctuates all year round, ranging from 1°C (33.8°F) in the colder months of January and February up to 18°C (64.4°F) during the peak of summer months of July and August. The sea temp, notwithstanding, tends to be colder, starting from 9°C (48.2°F) in the beginning up to mid-year, then gradually warm up to 14°C (57.2°F) by July throughout September, and cool down towards the end of the year.
Sunlight exposure in Sligo follows a similar seasonal pattern. From an average of 8 daylight hours in January, the city enjoys up to around 17.1 daylight hours in June before tapering off towards the end of the year. This is complemented by a varying average monthly UV index, peaking at 6 during the summer months of June and July, and dropping to 0 in the winter months.
The Best Time to Visit Sligo
Considering the weather parameters, the best period to visit Sligo extends from late June to early September. During this period, the city experiences its warmest weather with average temperatures peaking at 18°C (64.4°F) and sea temperatures equally pleasant at around 14°C (57.2°F). The sunlight hours reach a maximum of around 17 hours by June and the UV index averages at its highest (6), providing plentiful opportunities for outdoor activities and exploration. The rainfall isn't considerably high, ensuring that the days are mostly dry.
The Worst Time to Visit Sligo
The less favorable times to visit Sligo occur in the colder months, starting from late October to early February. During these months, temperatures often descend down to about 1°C (33.8°F) with high chances of precipitation, as the rainfall can measure up to and above 125mm (4.92"). Furthermore, the city witnesses fewer daylight hours, dropping to as low as 7.4 hours in December, and limiting outdoor activities due to earlier sunset.
Spring Weather in Sligo
Spring in Sligo is characterized by gradually increasing temperatures and subtle variations in daylight. Starting from March, temperatures rise marginally from 7°C (44.6°F) to reach 12°C (53.6°F) by May, while the minimum temperature also follows suit, increasing from 2°C (35.6°F) to 5°C (41°F). Rainfall varies, with March receiving around 109mm (4.29") of rainfall and May closest to 81mm (3.19"). Daily sunlight hours prevail for longer, commencing from nearly 12 daylight hours in March, extending to approximately 16 hours in May.
Summer Weather in Sligo
Summertime in Sligo is rather temperate with average high temperatures ranging between 14°C (57.2°F) to 18°C (64.4°F). The minimum temperatures follow the same fashion, increasing from 5°C (41°F) in June to about 10°C (50°F) by August. Rainfall figures are moderate, not exceeding 93mm (3.66") in July. The sea temperature warms up to 14°C (57.2°F), making swimming and water activities more enjoyable. June offers the longest daylight hours, measuring around 17.1 hours.
Autumn Weather in Sligo
Autumn in Sligo witnesses a gradual decline in temperatures and shorter daylight hours. The average high temperature drops from 16°C (60.8°F) in September to 9°C (48.2°F) by November, while the minimum temperature reduces from 8°C (46.4°F) to 3°C (37.4°F) over the same period. Rainfall demonstrates a marked increase with October witnessing the highest rainfall of about 134mm (5.28"). The sea temperature maintains warmth at around 14°C (57.2°F) in September but declines to 11°C (51.8°F) by November.
Winter Weather in Sligo
Winter in Sligo registers low temperatures with the lowest descending to 1°C (33.8°F) and the highest not surpassing 8°C (46.4°F). The city bears a maximum of 131mm (5.16") rainfall in December, with the number of rainy days increasing to about 23 days. Sea temperature plunges to 10°C (50°F), making it quite cold for water-based activities. Sunshine hours become significantly short with only 7.4 hours of daylight in December, rendering it the darkest period of the year.
Weather in January
The year in Sligo commences with moderate temperatures between highs of 7°C (44.6°F) and lows of 1°C (33.8°F), a typical winter climate for this region. January is characterized by limited daylight hours, often resulting in darker, shorter days. Weather in January »
Weather in February
Following January, February sees slightly less frequent rainfall, making it slightly drier. It retains the moderate winter temperatures characteristic to Sligo. The longer daylight hours signify an approaching spring, allowing residents more hours to enjoy the outdoors. Weather in February »
Weather in March
March heralds the arrival of spring in Sligo, as mild temperatures between a high of 9°C (48.2°F) and low of 2°C (35.6°F) make the weather more tolerable. Rainwear remains a constant in the local wardrobe as the frequency and volume of precipitation persists. Weather in March »
Weather in April
In April, Sligo begins to exhibit warmer spring temperatures peaking at 12°C (53.6°F) to a low of 3°C (37.4°F), providing a welcome change from the preceding months' chillier conditions. The increase in rainfall to 78mm (3.07") also marks a shift to a moist springtime climate. Weather in April »
Weather in May
The temperature in May continues to ascend, signaling the onset of summer in Sligo. Showers persist, but the city's rising temperatures make the rainfall a refreshing change rather than a nuisance. Furthermore, the steady lengthening of sunshine hours adds charm to the city's appearance. Weather in May »
Weather in June
Summer arrives in full swing in June. High temperatures of 17°C (62.6°F) and lows of 8°C (46.4°F) reign over Sligo, accompanied by persistent rainfall measuring 82mm (3.23"). Extended daylight hours present opportunities for extended outdoor activities. Weather in June »
Weather in July
July is the peak of summer in Sligo, with temperatures between 18°C (64.4°F) highs and 10°C (50°F) lows providing the perfect backdrop for summer activities. Ample rainfall meters at about 93mm (3.66"), manifesting in intermittent refreshing showers. Weather in July »
Weather in August
August extends the summer's warmth in Sligo, with temperatures remaining at a constant between 18°C (64.4°F) highs and 10°C (50°F) lows. Rainfall increases to 102mm (4.02"), providing cooler intervals in the ongoing summer warmth. Weather in August »
Weather in September
September is a delightful combination of lingering summer warmth and emerging autumn chill in Sligo. With slight drops in temperatures, the weather maintains a balance between comfort and chill. Although rainfall increases to 104mm (4.09"), it doesn’t diminish the city's charm as it prepares for autumn. Weather in September »
Weather in October
October sees a noticeable shift in Sligo weather, with temperatures falling to highs of 13°C (55.4°F) and lows of 6°C (42.8°F) as autumn sets in earnestly. Rainfall increases to a substantial 134mm (5.28"), indicating the start of the city's rainier season. Weather in October »
Weather in November
November brings a sharper chill to Sligo as winter draws near. The high temperature averages around 9°C (48.2°F) and the low around 3°C (37.4°F), signaling residents to brace for colder days ahead. The rainfall of 128mm (5.04") further consolidates the November chill. Weather in November »
Weather in December
December in Sligo is characterized by the arrival of winter in full force. With temperatures stretching from 8°C (46.4°F) high readings down to 2°C (35.6°F) lows, outdoor activities take a backseat. Torrents of rain measuring 126mm (4.96") add to the winter palette with frequent showers. Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Sligo?
The yearly lowest temperatures in Sligo occur in January and February, averaging a high-temperature of 7°C (44.6°F).
How many days does it rain in Sligo?
In Sligo, during the entire year, the rain falls for 247 days and collects up to 1260mm (49.61") of precipitation.
What is the month with the least sunshine in Sligo?
January and December, with an average of 1h of sunshine, are months with the least sunshine.
What are the months with the lowest UV index in Sligo?
January and December, with an average maximum UV index of 0, are months with the lowest UV index.
What are the months with the coldest sea water in Sligo?
The months with the coldest seawater in Sligo, Ireland, are February through April, with an average sea temperature of 9°C (48.2°F).
What is the driest month in Sligo?
The month with the least rainfall in Sligo is April, when the rain falls for 18 days and typically collects 78mm (3.07") of precipitation.
What is the month with the most sunshine in Sligo?
April through June, with an average of 5h of sunshine, are months with the most sunshine in Sligo, Ireland.
When are the longest days in Sligo?
With an average of 17h and 6min of daylight, June has the longest days of the year.
When is the highest UV index in Sligo?
The months with the highest UV index in Sligo are June and July, with an average maximum UV index of 6.
What is the hottest time of year in Sligo?
July and August represent the warmest period in Sligo, Ireland, with an average high-temperature of 18°C (64.4°F).
What are the months with the warmest sea water in Sligo?
The months with the warmest seawater in Sligo, Ireland, are July through September, with an average sea temperature of 14°C (57.2°F).
What is the wettest month in Sligo?
October is the month with the most rainfall in Sligo, Ireland. Rain falls for 23 days and accumulates 134mm (5.28") of precipitation.
When is Daylight Saving Time (DST) in Sligo?
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time starts in Sligo, Ireland, 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 month with the shortest days in Sligo?
December has the shortest days of the year in Sligo, Ireland, with an average of 7h and 24min of daylight.
Average temperature
Sligo, Ireland
The warmest months (with the highest average high temperature) are July and August (18°C).
The months with the lowest average high temperature are January and February (7°C).
The months with the highest average low temperature are July and August (10°C).
The coldest months (with the lowest average low temperature) are January and February (1°C).
Average rainfall
Sligo, Ireland
- Average rainfall in January:
130.8mm - Average rainfall in February:
91.6mm - Average rainfall in March:
108.9mm - Average rainfall in April:
77.9mm - Average rainfall in May:
81.4mm - Average rainfall in June:
82.2mm
- Average rainfall in July:
93mm - Average rainfall in August:
101.5mm - Average rainfall in September:
104.4mm - Average rainfall in October:
134.3mm - Average rainfall in November:
128.4mm - Average rainfall in December:
125.7mm
The wettest month (with the highest rainfall) is October (134.3mm).
The driest month (with the least rainfall) is April (77.9mm).
Average rainfall days
Sligo, Ireland
- Average rainfall days in January:
23 days - Average rainfall days in February:
19 days - Average rainfall days in March:
22 days - Average rainfall days in April:
18 days - Average rainfall days in May:
19 days - Average rainfall days in June:
18 days
- Average rainfall days in July:
19 days - Average rainfall days in August:
20 days - Average rainfall days in September:
21 days - Average rainfall days in October:
23 days - Average rainfall days in November:
22 days - Average rainfall days in December:
23 days
The months with the highest number of rainy days are January, October and December (23 days).
The months with the least rainy days are April and June (18 days).
Average sea temperature
Sligo, Ireland
The best months for swimming (with the highest average sea temperature) are July, August and September (14°C).
The coldest months (with the lowest average sea temperature) are February, March and April (9°C).
Average daylight / Average sunshine
Sligo, Ireland
- Average daylight in January:
8h and 0min - Average daylight in February:
9h and 5min - Average daylight in March:
11h and 5min - Average daylight in April:
14h and 1min - Average daylight in May:
16h and 1min - Average daylight in June:
17h and 1min
- Average daylight in July:
16h and 4min - Average daylight in August:
14h and 5min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 3min - Average daylight in November:
8h and 3min - Average daylight in December:
7h and 2min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
The months with the most sunshine are April, May and June (Average sunshine: 5h).
The months with the least sunshine are January and December (Average sunshine: 1h).
Average UV index
Sligo, Ireland
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 0).
Sligo, Ireland
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