Holiday Weather
Belfast
Next 24 hours
Local time: 05:15 IST
Sunrise: 05:01
Sunset: 21:43
Thursday
09:00
50°F 10°C
12:00
54°F 12°C
15:00
54°F 12°C
18:00
52°F 11°C
21:00
46°F 8°C
Friday
00:00
43°F 6°C
03:00
41°F 5°C
06:00
43°F 6°C

Belfast: Annual Weather Averages

July is the hottest month in Belfast with an average temperature of 59°F (15°C) and the coldest is January at 39°F (4°C) with the most daily sunshine hours at 13 in July. The wettest month is October with an average of 90mm of rain. The best month to swim in the sea is in August when the average sea temperature is 58°F (14°C).

Average Temperature: Belfast

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 4 4 6 8 11 13 15 15 12 9 7 5
°F 39 39 43 46 51 55 59 58 53 48 44 41

Average High/Low Temperature: Belfast

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High °C 6 6 9 11 15 17 19 18 16 13 9 7
High °F 43 43 48 52 59 63 66 64 61 55 48 45
Low °C 2 2 3 4 6 9 11 11 7 5 4 3
Low °F 36 36 37 39 43 48 52 52 45 41 39 37

Average Rainfall: Belfast

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 80 60 80 50 50 70 70 80 80 90 80 80
Days 26 24 26 23 22 23 25 24 22 26 26 25

Average Daily Sunshine Hours: Belfast

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hours 1 1 1 2 9 11 13 8 4 2 1 0

Average Sea Temperature: Belfast

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9 8 8 9 10 12 14 14 14 13 12 11
°F 48 47 46 48 50 53 56 58 58 56 54 51

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