Gwynedd, United Kingdom Weather

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

Current conditions

Updated:
16°C
60.8°F
°C °F

Condition: Overcast

Pressure: 1,026 hPa

Feel like: 17 °C

Temperature: 16°C

Cloud: 100%

Humidity: 96%

Wind: SSW - 2 km/h

Visibility: 11.66 km

Weather forecast

Wed
23 Sep
7°C / 16°C
Drizzle
Thu
24 Sep
7°C / 15°C
Moderate Rain
Fri
25 Sep
5°C / 16°C
Fog
Sat
26 Sep
4°C / 16°C
Moderate Drizzle
Sun
27 Sep
13°C / 14°C
Moderate Rain
Hourly forecast today:
21:00 PM
15° / 16°
15° / 16°
Overcast
96% 4 km/h
22:00 PM
15° / 16°
15° / 16°
Drizzle
97% 4 km/h
23:00 PM
15° / 15°
15° / 15°
Drizzle
98% 7 km/h
00:00 AM
15° / 15°
15° / 15°
Drizzle
98% 5 km/h
01:00 AM
15° / 15°
15° / 15°
Drizzle
99% 5 km/h
02:00 AM
15° / 15°
15° / 15°
Overcast
99% 12 km/h
03:00 AM
15° / 16°
15° / 16°
Drizzle
98% 20 km/h
04:00 AM
15° / 15°
15° / 15°
Drizzle
97% 30 km/h
05:00 AM
15° / 15°
15° / 15°
Moderate Drizzle
97% 18 km/h
06:00 AM
14° / 15°
14° / 15°
Overcast
96% 20 km/h
07:00 AM
14° / 15°
14° / 15°
Overcast
95% 18 km/h

30 Day Averages and Extremes

  • Average high 15.17°C
  • Average low 9.6°C
  • Hottest day 20°C (12 September 2026)
  • Coldest day 0°C (05 October 2026)
  • Average humidity 79.13%
  • Days with precipitation 26 days
  • Highest precipitation 77 mm (15 September 2026)

Yesterday's Data

  • Max: 18°C
  • Min: 15°C
  • Total Precipitation: 0 mm

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

Temperature and possibility of rain in Gwynedd in the coming days

Rainfall in Gwynedd in the coming days

Gwynedd Climate Summary

Gwynedd features a Marine west coast, warm summer (Köppen classification: Cfb), with an average annual temperature of 9.33ºC (48.79ºF), which is about -1.42% lower than the national average for United Kingdom. Annually, the city experiences approximately 125.0 millimeters (4.92 inches) of rainfall, spread across 196.91 rainy days, accounting for 53.95% of the year.

Longitude 52.9277266
Latitude -4.1334836
Yearly high temperature 11.23ºC (52.21ºF)
Yearly low temperature 5.49ºC (41.88ºF)
Hottest month June 15.98ºC (60.76ºF)
Coldest month December 2.78ºC (37.0ºF)
Yearly precip 125.0mm (4.92in)
Days with rainfall 196.91 days (53.95%)
Driest month April (83.59%)
Wettest month December (90.63%)

Weather averages by month

Month High / Low (°C) Rain
January 5.36° / 1.66° 17.73 days
February 5.88° / 1.42° 16.27 days
March 8.02° / 1.82° 13.73 days
April 10.97° / 3.68° 13.73 days
May 13.54° / 6.07° 14.45 days
June 15.98° / 8.51° 15.27 days
July 17.22° / 10.07° 17.18 days
August 16.43° / 10.32° 18.91 days
September 14.88° / 8.69° 15.55 days
October 11.79° / 6.68° 17.09 days
November 8.28° / 4.18° 17.91 days
December 6.43° / 2.78° 19.09 days

Gwynedd's weather

Frequently asked questions

1. What is the hottest month in Gwynedd?

June has the highest average monthly temperature (daily mean of 15.98ºC) and December are the coolest (daily mean of 2.78ºC).

2. What should I wear in Gwynedd today?

For today's mild weather in Gwynedd, with temperatures between 13ºC to 16ºC (55.4ºF to 60.8ºF), consider wearing:
- Light jacket (for cooler periods)
- Scarf (optional)
- Cotton socks
- Comfortable jeans or slacks

Temperature

Early
15°C / 16°C
Morning
14°C / 16°C
Afternoon
15°C / 17°C
Evening
15°C / 16°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 449
  • CO 142
  • NH3 0
  • NO2 1
  • O3 49
  • PM10 2
  • PM25 1
  • SO2 0
  • CH4 1,412

Sunrise / Sunset

06:03
18:12