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:
12°C
53.6°F
°C °F

Condition: Partly Cloudy

Pressure: 1,015 hPa

Feel like: 10 °C

Temperature: 12°C

Cloud: 63%

Humidity: 80%

Wind: SSW - 14 km/h

Visibility: 25.08 km

Weather forecast

Sun
27 Sep
7°C / 16°C
Overcast
Mon
28 Sep
13°C / 17°C
Moderate Rain
Tue
29 Sep
12°C / 17°C
Moderate Rain
Wed
30 Sep
9°C / 14°C
Partly Cloudy
Thu
01 Oct
8°C / 15°C
Drizzle
Hourly forecast today:
02:00 AM
9° / 12°
9° / 12°
Partly Cloudy
80% 29 km/h
03:00 AM
9° / 12°
9° / 12°
Overcast
81% 26 km/h
04:00 AM
9° / 12°
9° / 12°
Clear Sky
83% 29 km/h
05:00 AM
9° / 11°
9° / 11°
Clear Sky
86% 24 km/h
06:00 AM
9° / 11°
9° / 11°
Clear Sky
87% 23 km/h
07:00 AM
9° / 11°
9° / 11°
Mainly Clear
88% 23 km/h
08:00 AM
10° / 12°
10° / 12°
Partly Cloudy
85% 28 km/h
09:00 AM
9° / 13°
9° / 13°
Clear Sky
77% 30 km/h
10:00 AM
9° / 14°
9° / 14°
Partly Cloudy
71% 35 km/h
11:00 AM
9° / 15°
9° / 15°
Partly Cloudy
64% 35 km/h
12:00 PM
9° / 16°
9° / 16°
Partly Cloudy
61% 38 km/h

30 Day Averages and Extremes

  • Average high 15.43°C
  • Average low 10.37°C
  • Hottest day 23°C (20 September 2026)
  • Coldest day 0°C (09 October 2026)
  • Average humidity 74.03%
  • Days with precipitation 26 days
  • Highest precipitation 60 mm (14 September 2026)

Yesterday's Data

  • Max: 18°C
  • Min: 11°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 cool weather in Belfast, with temperatures between 11ºC to 14ºC (51.8ºF to 57.2ºF), you should consider wearing:
- Knit hat (optional for cooler mornings)
- Long-sleeve top or shirt
- Comfortable pants or jeans
- Thin gloves (optional for early mornings or late evenings)

Temperature

Early
9°C / 12°C
Morning
9°C / 13°C
Afternoon
9°C / 18°C
Evening
10°C / 15°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 433
  • CO 177
  • NH3 1
  • NO2 2
  • O3 58
  • PM10 8
  • PM25 3
  • SO2 0
  • CH4 1,393

Sunrise / Sunset

06:18
18:09