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Glendalough weather by month
Check out Glendalough weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in Glendalough (°C)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max temperature (daytime) | 6 |
6 |
8 |
10 |
13 |
16 |
18 |
17 |
15 |
12 |
8 |
7 |
| Min temperature (night-time) | 1 |
1 |
2 |
3 |
5 |
8 |
10 |
10 |
8 |
6 |
3 |
2 |
| Heat & Humidity | 0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme
Sunshine & UV index in Glendalough
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daily hours of sunshine | ||||||||||||
| Daily hours of daylight | 8 |
10 |
12 |
14 |
16 |
17 |
16 |
15 |
13 |
11 |
9 |
8 |
| UV Index (Maximum) | 0 |
1 |
2 |
4 |
5 |
6 |
6 |
5 |
4 |
2 |
1 |
0 |
Rainfall in Glendalough
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of days with some rain | 19 |
15 |
17 |
15 |
16 |
15 |
14 |
16 |
16 |
18 |
17 |
18 |
| Average monthly rainfall (mm) | 141 |
106 |
109 |
79 |
96 |
76 |
76 |
97 |
125 |
132 |
131 |
159 |
More about Glendalough
Glendalough by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Ireland
The climate guide for Ireland (Glendalough) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
What's the climate like in Glendalough?
Glendalough has a temperate climate with warm summers and some rainfall in all months.
Glendalough weather in January
Expect daytime maximum temperatures of 6°C in Glendalough, Ireland in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 19 days with some rainfall and typically 141 mm of rainfall in the month.
- 6°C max day temperature
6 - 2 hours of sunshine per day
- 19 days with some rainfall
19 - 1°C min night temperature
1 - 8 hours of daylight per day
8 - No heat & humidity
0 - 141 mm of monthly rainfall
141 - No UV (Maximum) Index UV index
0
Glendalough weather in February
Expect daytime maximum temperatures of 6°C in Glendalough, Ireland in February based on long-term weather averages. There are 3 hours of sunshine per day on average with 15 days with some rainfall and typically 106 mm of rainfall in the month.
- 6°C max day temperature
6 - 3 hours of sunshine per day
- 15 days with some rainfall
15 - 1°C min night temperature
1 - 10 hours of daylight per day
10 - No heat & humidity
0 - 106 mm of monthly rainfall
106 - 1 (Low) UV index
1
Glendalough weather in March
Expect daytime maximum temperatures of 8°C in Glendalough, Ireland in March based on long-term weather averages. There are 3 hours of sunshine per day on average with 17 days with some rainfall and typically 109 mm of rainfall in the month.
- 8°C max day temperature
8 - 3 hours of sunshine per day
- 17 days with some rainfall
17 - 2°C min night temperature
2 - 12 hours of daylight per day
12 - No heat & humidity
0 - 109 mm of monthly rainfall
109 - 2 (Low) UV index
2
Glendalough weather in April
Expect daytime maximum temperatures of 10°C in Glendalough, Ireland in April based on long-term weather averages. There are 5 hours of sunshine per day on average with 15 days with some rainfall and typically 79 mm of rainfall in the month.
- 10°C max day temperature
10 - 5 hours of sunshine per day
- 15 days with some rainfall
15 - 3°C min night temperature
3 - 14 hours of daylight per day
14 - No heat & humidity
0 - 79 mm of monthly rainfall
79 - 4 (Moderate) UV index
4
Glendalough weather in May
Expect daytime maximum temperatures of 13°C in Glendalough, Ireland in May based on long-term weather averages. There are 6 hours of sunshine per day on average with 16 days with some rainfall and typically 96 mm of rainfall in the month.
- 13°C max day temperature
13 - 6 hours of sunshine per day
- 16 days with some rainfall
16 - 5°C min night temperature
5 - 16 hours of daylight per day
16 - No heat & humidity
0 - 96 mm of monthly rainfall
96 - 5 (Moderate) UV index
5
Glendalough weather in June
Expect daytime maximum temperatures of 16°C in Glendalough, Ireland in June based on long-term weather averages. There are 6 hours of sunshine per day on average with 15 days with some rainfall and typically 76 mm of rainfall in the month.
- 16°C max day temperature
16 - 6 hours of sunshine per day
- 15 days with some rainfall
15 - 8°C min night temperature
8 - 17 hours of daylight per day
17 - No heat & humidity
0 - 76 mm of monthly rainfall
76 - 6 (High) UV index
6
Glendalough weather in July
Expect daytime maximum temperatures of 18°C in Glendalough, Ireland in July based on long-term weather averages. There are 5 hours of sunshine per day on average with 14 days with some rainfall and typically 76 mm of rainfall in the month.
- 18°C max day temperature
18 - 5 hours of sunshine per day
- 14 days with some rainfall
14 - 10°C min night temperature
10 - 16 hours of daylight per day
16 - No heat & humidity
0 - 76 mm of monthly rainfall
76 - 6 (High) UV index
6
Glendalough weather in August
Expect daytime maximum temperatures of 17°C in Glendalough, Ireland in August based on long-term weather averages. There are 5 hours of sunshine per day on average with 16 days with some rainfall and typically 97 mm of rainfall in the month.
- 17°C max day temperature
17 - 5 hours of sunshine per day
- 16 days with some rainfall
16 - 10°C min night temperature
10 - 15 hours of daylight per day
15 - No heat & humidity
0 - 97 mm of monthly rainfall
97 - 5 (Moderate) UV index
5
Glendalough weather in September
Expect daytime maximum temperatures of 15°C in Glendalough, Ireland in September based on long-term weather averages. There are 4 hours of sunshine per day on average with 16 days with some rainfall and typically 125 mm of rainfall in the month.
- 15°C max day temperature
15 - 4 hours of sunshine per day
- 16 days with some rainfall
16 - 8°C min night temperature
8 - 13 hours of daylight per day
13 - No heat & humidity
0 - 125 mm of monthly rainfall
125 - 4 (Moderate) UV index
4
Glendalough weather in October
Expect daytime maximum temperatures of 12°C in Glendalough, Ireland in October based on long-term weather averages. There are 3 hours of sunshine per day on average with 18 days with some rainfall and typically 132 mm of rainfall in the month.
- 12°C max day temperature
12 - 3 hours of sunshine per day
- 18 days with some rainfall
18 - 6°C min night temperature
6 - 11 hours of daylight per day
11 - No heat & humidity
0 - 132 mm of monthly rainfall
132 - 2 (Low) UV index
2
Glendalough weather in November
Expect daytime maximum temperatures of 8°C in Glendalough, Ireland in November based on long-term weather averages. There are 2 hours of sunshine per day on average with 17 days with some rainfall and typically 131 mm of rainfall in the month.
- 8°C max day temperature
8 - 2 hours of sunshine per day
- 17 days with some rainfall
17 - 3°C min night temperature
3 - 9 hours of daylight per day
9 - No heat & humidity
0 - 131 mm of monthly rainfall
131 - 1 (Low) UV index
1
Glendalough weather in December
Expect daytime maximum temperatures of 7°C in Glendalough, Ireland in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 18 days with some rainfall and typically 159 mm of rainfall in the month.
- 7°C max day temperature
7 - 2 hours of sunshine per day
- 18 days with some rainfall
18 - 2°C min night temperature
2 - 8 hours of daylight per day
8 - No heat & humidity
0 - 159 mm of monthly rainfall
159 - No UV (Maximum) Index UV index
0
More about Glendalough
Glendalough by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Ireland
- Explore latest offers on Fred Olsen Cruises in 2026/2027
- Find last minute deals or early bird discounts
- Filter offers by price, destination, ship & departure point
The climate guide for Ireland (Glendalough) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Compare Glendalough weather with the UK
The weather chart below compares the average monthly maximum daytime temperature for Glendalough, County Wicklow, Ireland and the UK (London).
Maximum daytime temperature (°C)
Metric (°C / mm) | Imperial (°F / inches)
More about Ireland
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