Northern Ireland weather, climate and best time to visit

Best time to visit Northern Ireland

The best time to visit in Northern Ireland is in June and July and September, when you will have a soft or pleasant temperature and limited till little rainfall. The highest average temperature in in Northern Ireland is 17°C in July and the lowest is 6°C in January.

Northern Ireland has the oceanic climate prevailing. If you want to know what the average temperature is in in Northern Ireland or when most precipitation (rain or snow) falls, you can find a quick overview below. This way, you are well prepared. Our average monthly climate data is based on data from the past 30 years.

Average weather Northern Ireland by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Temperature (°C) 6 7 9 11 14 16 17 17 15 13 9 7
Precipitation (mm) 42 39 48 34 36 51 55 54 36 48 60 50

Travel and stay Northern Ireland

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14 day weather forecast Northern Ireland

The weather for in Northern Ireland will be 11° till 10° degrees in the next 14 days with every day chance of light rain showers or even quite a bit of rain.

The weather forecast for Northern Ireland is based on the weather conditions in the city of Belfast.

Weather forecast this week

Sunday 28 Nov Water Snow Precip Chance Wind UV
12° 0 cm 0.6 mm 40% 2 m/s 0
Monday 29 Nov Water Snow Precip Chance Wind UV
11°
12° 0 cm 1.0 mm 50% 3 m/s 0
Tuesday 30 Nov Water Snow Precip Chance Wind UV
11°
12° 0 cm 9.1 mm 90% 5 m/s 0
Wednesday 1 Dec Water Snow Precip Chance Wind UV
12° 0 cm 1.8 mm 65% 7 m/s 0
Thursday 2 Dec Water Snow Precip Chance Wind UV
12° 0.2 cm 1.1 mm 60% 5 m/s 0
Friday 3 Dec Water Snow Precip Chance Wind UV
12° 0.8 cm 1.8 mm 80% 3 m/s 0
Saturday 4 Dec Water Snow Precip Chance Wind UV
12° 0 cm 5.4 mm 85% 10 m/s 0

Weather forecast next week

Sunday 5 Dec Water Snow Precip Chance Wind UV
12° 0 cm 7.4 mm 90% 7 m/s 0
Monday 6 Dec Water Snow Precip Chance Wind UV
12° 0 cm 9.4 mm 90% 3 m/s 1
Tuesday 7 Dec Water Snow Precip Chance Wind UV
12° 0 cm 16.3 mm 95% 4 m/s 0
Wednesday 8 Dec Water Snow Precip Chance Wind UV
12° 0 cm 15.9 mm 95% 7 m/s 1
Thursday 9 Dec Water Snow Precip Chance Wind UV
12° 0 cm 10.6 mm 90% 4 m/s 1
Friday 10 Dec Water Snow Precip Chance Wind UV
12° 0 cm 0.4 mm 30% 4 m/s 1
Saturday 11 Dec Water Snow Precip Chance Wind UV
10°
12° 0 cm 2.4 mm 70% 3 m/s 1

Climate Northern Ireland

Northern Ireland has the oceanic climate prevailing. There is rainfall during all months of the year. The average annual temperature for Northern Ireland is 12° degrees and there is about 553 mm of rain in a year. It is dry for 100 days a year with an average humidity of 88% and an UV-index of 3.

Climate table of Northern Ireland

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 6 7 9 11 14 16 17 17 15 13 9 7
Night temp. (°C) 2 2 3 4 7 9 11 11 9 8 5 3
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 42 39 48 34 36 51 55 54 36 48 60 50
Days with rain 15 15 17 17 18 19 24 26 17 17 18 16
Days with snow 3 3 2 - - - - - - - - 1
Dry days 13 10 12 13 13 11 7 5 13 14 12 14
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 3 3 4 6 6 7 6 5 5 3 4 4
Wind force (Bft) 3 3 3 3 3 3 3 3 3 3 3 3
UV-index 2 2 2 3 3 4 3 4 3 3 2 2
Climate data from city: Belfast

Northern Ireland weather by month

What is the average weather like in a given month for Northern Ireland? Let's find out! Click on a month to check all the monthly averages for sunshine, temperature highs and lows, percentage chance of rain per day, snowfall accumulation and number of rainy days.

Weather experiences Northern Ireland

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Islands Northern Ireland

Frequently asked questions

Where is Northern Ireland?

Northern Ireland lies in a straight line about 10,134 km from New Zealand (Cape Town → Belfast). By car the distance is 13,862 km. You are on your way 181 hours and 50 minutes without delay.

How long is the flight to Northern Ireland?

The flight time from Cape Town International Airport to Northern Ireland is approximately 12 h. 50 min.

What are the largest airports in Northern Ireland?

These are the largest airports in Northern Ireland:

How many inhabitants are there in Northern Ireland?

Northern Ireland has approximately 1,810,862 inhabitants.

How big is Northern Ireland?

The area of Northern Ireland is around 13,843 km². It is 88x smaller than New Zealand.

What is the capital of Northern Ireland?

The capital of Northern Ireland is Belfast.

What is the currency of Northern Ireland?

In Northern Ireland the Pound sterling (GBP) is used to pay.

Exchange rates on 28 November 2021

  • 1 Pound sterling = 0.049 South African rand
  • 1 South African rand = 20.45 Pound sterling
  • 10 Pound sterling = 0.489 South African rand
  • 10 South African rand = 204.51 Pound sterling
  • 100 Pound sterling = 4.89 South African rand
  • 100 South African rand = 2,045.11 Pound sterling

What is the area code of Northern Ireland?

The area code to call Northern Ireland is +44.