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:
15°C
59.0°F
°C °F

Condition: Overcast

Pressure: 1,022 hPa

Feel like: 14 °C

Temperature: 15°C

Cloud: 100%

Humidity: 69%

Wind: ESE - 2 km/h

Visibility: 28.18 km

Weather forecast

Wed
12 Aug
15°C / 26°C
Drizzle
Thu
13 Aug
15°C / 20°C
Drizzle
Fri
14 Aug
13°C / 18°C
Overcast
Sat
15 Aug
12°C / 18°C
Moderate Drizzle
Sun
16 Aug
14°C / 19°C
Moderate Drizzle
Hourly forecast today:
02:00 AM
9° / 15°
9° / 15°
Overcast
69% 6 km/h
03:00 AM
9° / 14°
9° / 14°
Mainly Clear
71% 6 km/h
04:00 AM
9° / 14°
9° / 14°
Overcast
73% 8 km/h
05:00 AM
10° / 13°
10° / 13°
Overcast
78% 5 km/h
06:00 AM
10° / 14°
10° / 14°
Clear Sky
80% 3 km/h
07:00 AM
11° / 14°
11° / 14°
Overcast
82% 4 km/h
08:00 AM
11° / 16°
11° / 16°
Overcast
72% 11 km/h
09:00 AM
11° / 17°
11° / 17°
Overcast
65% 19 km/h
10:00 AM
9° / 19°
9° / 19°
Overcast
53% 21 km/h
11:00 AM
11° / 20°
11° / 20°
Overcast
56% 26 km/h
12:00 PM
11° / 20°
11° / 20°
Overcast
56% 30 km/h

30 Day Averages and Extremes

  • Average high 18.13°C
  • Average low 12.27°C
  • Hottest day 26°C (12 August 2026)
  • Coldest day 0°C (24 August 2026)
  • Average humidity 68.87%
  • Days with precipitation 25 days
  • Highest precipitation 72 mm (03 August 2026)

Yesterday's Data

  • Max: 23°C
  • Min: 13°C
  • Total Precipitation: 0 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 very hot weather in Belfast, with the high temperatures above 25ºC (77.0ºF), consider wearing:
- UV-protective sunglasses
- Open-toed sandals or light sneakers
- Sunscreen for skin protection
- Breathable shorts or skirts

Temperature

Early
9°C / 14°C
Morning
11°C / 17°C
Afternoon
10°C / 23°C
Evening
13°C / 18°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 446
  • CO 128
  • NH3 3
  • NO2 4
  • O3 37
  • PM10 6
  • PM25 3
  • SO2 0
  • CH4 1,447

Sunrise / Sunset

04:54
20:02