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Londonderry weather by month
Check out Londonderry weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in Londonderry (°C)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max temperature (daytime) | 6 |
6 |
8 |
11 |
14 |
16 |
17 |
17 |
15 |
12 |
9 |
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 & Daylight in Londonderry
| 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 |
17 |
15 |
13 |
10 |
8 |
7 |
| UV Index (Maximum) | 0 |
1 |
2 |
3 |
5 |
6 |
6 |
5 |
3 |
2 |
1 |
0 |
Rainfall in Londonderry
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of days with some rain | 23 |
18 |
21 |
17 |
18 |
18 |
19 |
20 |
21 |
22 |
22 |
23 |
| Average monthly rainfall (mm) | 130 |
94 |
99 |
73 |
81 |
78 |
81 |
99 |
109 |
127 |
120 |
124 |
More about Londonderry
Londonderry by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Northern Ireland
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The climate guide for Northern Ireland (Londonderry) 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 Londonderry?
Londonderry has a temperate climate with warm summers and some rainfall in all months.
Londonderry weather in January
Expect daytime maximum temperatures of 6°C in Londonderry, Northern Ireland in January based on long-term weather averages. There is 1 hour of sunshine per day on average with 23 days with some rainfall and typically 130 mm of rainfall in the month.
- 6°C max day temperature
6 - 1 hour of sunshine per day
- 23 days with some rainfall
23 - 1°C min night temperature
1 - 8 hours of daylight per day
8 - No heat & humidity
0 - 130 mm of monthly rainfall
130 - No UV (Maximum) Index UV index
0
Londonderry weather in February
Expect daytime maximum temperatures of 6°C in Londonderry, Northern Ireland in February based on long-term weather averages. There are 2 hours of sunshine per day on average with 18 days with some rainfall and typically 94 mm of rainfall in the month.
- 6°C max day temperature
6 - 2 hours of sunshine per day
- 18 days with some rainfall
18 - 1°C min night temperature
1 - 10 hours of daylight per day
10 - No heat & humidity
0 - 94 mm of monthly rainfall
94 - 1 (Low) UV index
1
Londonderry weather in March
Expect daytime maximum temperatures of 8°C in Londonderry, Northern Ireland in March based on long-term weather averages. There are 3 hours of sunshine per day on average with 21 days with some rainfall and typically 99 mm of rainfall in the month.
- 8°C max day temperature
8 - 3 hours of sunshine per day
- 21 days with some rainfall
21 - 2°C min night temperature
2 - 12 hours of daylight per day
12 - No heat & humidity
0 - 99 mm of monthly rainfall
99 - 2 (Low) UV index
2
Londonderry weather in April
Expect daytime maximum temperatures of 11°C in Londonderry, Northern Ireland in April based on long-term weather averages. There are 5 hours of sunshine per day on average with 17 days with some rainfall and typically 73 mm of rainfall in the month.
- 11°C max day temperature
11 - 5 hours of sunshine per day
- 17 days with some rainfall
17 - 3°C min night temperature
3 - 14 hours of daylight per day
14 - No heat & humidity
0 - 73 mm of monthly rainfall
73 - 3 (Moderate) UV index
3
Londonderry weather in May
Expect daytime maximum temperatures of 14°C in Londonderry, Northern Ireland in May based on long-term weather averages. There are 6 hours of sunshine per day on average with 18 days with some rainfall and typically 81 mm of rainfall in the month.
- 14°C max day temperature
14 - 6 hours of sunshine per day
- 18 days with some rainfall
18 - 5°C min night temperature
5 - 16 hours of daylight per day
16 - No heat & humidity
0 - 81 mm of monthly rainfall
81 - 5 (Moderate) UV index
5
Londonderry weather in June
Expect daytime maximum temperatures of 16°C in Londonderry, Northern Ireland in June based on long-term weather averages. There are 5 hours of sunshine per day on average with 18 days with some rainfall and typically 78 mm of rainfall in the month.
- 16°C max day temperature
16 - 5 hours of sunshine per day
- 18 days with some rainfall
18 - 8°C min night temperature
8 - 17 hours of daylight per day
17 - No heat & humidity
0 - 78 mm of monthly rainfall
78 - 6 (High) UV index
6
Londonderry weather in July
Expect daytime maximum temperatures of 17°C in Londonderry, Northern Ireland in July based on long-term weather averages. There are 4 hours of sunshine per day on average with 19 days with some rainfall and typically 81 mm of rainfall in the month.
- 17°C max day temperature
17 - 4 hours of sunshine per day
- 19 days with some rainfall
19 - 10°C min night temperature
10 - 17 hours of daylight per day
17 - No heat & humidity
0 - 81 mm of monthly rainfall
81 - 6 (High) UV index
6
Londonderry weather in August
Expect daytime maximum temperatures of 17°C in Londonderry, Northern Ireland in August based on long-term weather averages. There are 4 hours of sunshine per day on average with 20 days with some rainfall and typically 99 mm of rainfall in the month.
- 17°C max day temperature
17 - 4 hours of sunshine per day
- 20 days with some rainfall
20 - 10°C min night temperature
10 - 15 hours of daylight per day
15 - No heat & humidity
0 - 99 mm of monthly rainfall
99 - 5 (Moderate) UV index
5
Londonderry weather in September
Expect daytime maximum temperatures of 15°C in Londonderry, Northern Ireland in September based on long-term weather averages. There are 3 hours of sunshine per day on average with 21 days with some rainfall and typically 109 mm of rainfall in the month.
- 15°C max day temperature
15 - 3 hours of sunshine per day
- 21 days with some rainfall
21 - 8°C min night temperature
8 - 13 hours of daylight per day
13 - No heat & humidity
0 - 109 mm of monthly rainfall
109 - 3 (Moderate) UV index
3
Londonderry weather in October
Expect daytime maximum temperatures of 12°C in Londonderry, Northern Ireland in October based on long-term weather averages. There are 3 hours of sunshine per day on average with 22 days with some rainfall and typically 127 mm of rainfall in the month.
- 12°C max day temperature
12 - 3 hours of sunshine per day
- 22 days with some rainfall
22 - 6°C min night temperature
6 - 10 hours of daylight per day
10 - No heat & humidity
0 - 127 mm of monthly rainfall
127 - 2 (Low) UV index
2
Londonderry weather in November
Expect daytime maximum temperatures of 9°C in Londonderry, Northern Ireland in November based on long-term weather averages. There are 2 hours of sunshine per day on average with 22 days with some rainfall and typically 120 mm of rainfall in the month.
- 9°C max day temperature
9 - 2 hours of sunshine per day
- 22 days with some rainfall
22 - 3°C min night temperature
3 - 8 hours of daylight per day
8 - No heat & humidity
0 - 120 mm of monthly rainfall
120 - 1 (Low) UV index
1
Londonderry weather in December
Expect daytime maximum temperatures of 7°C in Londonderry, Northern Ireland in December based on long-term weather averages. There is 1 hour of sunshine per day on average with 23 days with some rainfall and typically 124 mm of rainfall in the month.
- 7°C max day temperature
7 - 1 hour of sunshine per day
- 23 days with some rainfall
23 - 2°C min night temperature
2 - 7 hours of daylight per day
7 - No heat & humidity
0 - 124 mm of monthly rainfall
124 - No UV (Maximum) Index UV index
0
More about Londonderry
Londonderry by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Northern Ireland
- Explore latest offers on Northern Ireland cruises
- Filter offers by price, ship & departure point
- Travel before 31st December 2027 (inclusive)
Cruise deal finder
The climate guide for Northern Ireland (Londonderry) 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.
Metric (°C / mm) | Imperial (°F / inches)
More about the UK
Compare Londonderry with the UK
Below the Londonderry chart shows average maximum daytime temperature for Londonderry, Northern Ireland, UK and the UK (London).
Maximum daytime temperature (°C)
Metric (°C / mm) | Imperial (°F / inches)
Compare more Londonderry weather >>
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