Belfast, United Kingdom Weather

  1. Belfast, United Kingdom Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Belfast over the next 12 hours
  7. Temperature and possibility of rain in Belfast in the coming days
  8. Rainfall in Belfast in the coming days
  9. Belfast Weather Summary
  10. Weather averages by month
  11. Belfast's weather
  12. Frequently asked questions
  13. Comments
Belfast, Weather
(Photo by K. Mitch Hodge on Unsplash)

Current conditions

Updated:
19°C
66.2°F
°C °F

Condition: Mainly Clear

Pressure: 1,017 hPa

Feel like: 17 °C

Temperature: 19°C

Cloud: 48%

Humidity: 41%

Wind: W - 12 km/h

Visibility: 32.8 km

Weather forecast

Sun
21 Jun
14°C / 20°C
Overcast
Mon
22 Jun
13°C / 24°C
Overcast
Tue
23 Jun
13°C / 19°C
Overcast
Wed
24 Jun
15°C / 24°C
Drizzle
Thu
25 Jun
17°C / 23°C
Drizzle
Hourly forecast today:
13:00 PM
5° / 19°
5° / 19°
Mainly Clear
41% 29 km/h
14:00 PM
5° / 19°
5° / 19°
Mainly Clear
40% 29 km/h
15:00 PM
6° / 20°
6° / 20°
Mainly Clear
40% 28 km/h
16:00 PM
6° / 20°
6° / 20°
Partly Cloudy
41% 26 km/h
17:00 PM
6° / 19°
6° / 19°
Partly Cloudy
42% 24 km/h
18:00 PM
6° / 19°
6° / 19°
Partly Cloudy
43% 23 km/h
19:00 PM
7° / 19°
7° / 19°
Overcast
46% 16 km/h
20:00 PM
9° / 16°
9° / 16°
Overcast
60% 23 km/h
21:00 PM
9° / 15°
9° / 15°
Clear Sky
67% 21 km/h
22:00 PM
8° / 14°
8° / 14°
Clear Sky
68% 15 km/h
23:00 PM
9° / 14°
9° / 14°
Clear Sky
72% 14 km/h

30 Day Averages and Extremes

  • Average high 16.73°C
  • Average low 11.47°C
  • Hottest day 24°C (22 June 2026)
  • Coldest day 0°C (03 July 2026)
  • Average humidity 71.6%
  • Days with precipitation 28 days
  • Highest precipitation 82 mm (18 June 2026)

Yesterday's Data

  • Max: 20°C
  • Min: 13°C
  • Total Precipitation: 1 mm

Temperature and possibility of rain in Belfast over the next 12 hours

Temperature and possibility of rain in Belfast in the coming days

Rainfall in Belfast in the coming days

Belfast Climate Summary

Belfast features a Marine west coast, warm summer (Köppen classification: Cfb), with an average annual temperature of 9.88ºC (49.78ºF), which is about -0.87% lower than the national average for United Kingdom. Annually, the city experiences approximately 60.02 millimeters (2.36 inches) of rainfall, spread across 143.36 rainy days, accounting for 39.28% of the year.

Longitude 54.597285
Latitude -5.93012
Yearly high temperature 11.56ºC (52.81ºF)
Yearly low temperature 6.57ºC (43.83ºF)
Hottest month June 15.75ºC (60.35ºF)
Coldest month December 3.54ºC (38.37ºF)
Yearly precip 60.02mm (2.36in)
Days with rainfall 143.36 days (39.28%)
Driest month April (82.76%)
Wettest month August (87.13%)

Weather averages by month

Month High / Low (°C) Rain
January 6.49° / 3.02° 12.0 days
February 7.08° / 2.79° 10.82 days
March 8.42° / 3.06° 10.91 days
April 10.68° / 4.74° 9.0 days
May 13.3° / 6.99° 10.82 days
June 15.75° / 9.52° 14.09 days
July 17.01° / 10.96° 14.36 days
August 16.58° / 11.12° 15.18 days
September 15.03° / 9.88° 10.91 days
October 12.28° / 7.81° 11.73 days
November 9.07° / 5.44° 11.36 days
December 7.04° / 3.54° 12.18 days

Belfast's weather

Frequently asked questions

1. What is the hottest month in Belfast?

June has the highest average monthly temperature (daily mean of 15.75ºC) and December are the coolest (daily mean of 3.54ºC).

2. What should I wear in Belfast today?

For today's mild weather in Belfast, with temperatures between 16ºC to 19ºC (60.8ºF to 66.2ºF), consider wearing:
- Light jacket (for cooler periods)
- Cotton socks
- Long-sleeve shirt or blouse
- Scarf (optional)

Temperature

Early
10°C / 14°C
Morning
7°C / 16°C
Afternoon
6°C / 20°C
Evening
9°C / 15°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 434
  • CO 102
  • NH3 1
  • NO2 1
  • O3 66
  • PM10 3
  • PM25 2
  • SO2 0
  • CH4 1,357

Sunrise / Sunset

03:48
21:03