Gwynedd, United Kingdom Weather

Gwynedd,  Weather
(Photo by Viktor Forgacs on Unsplash)

Current conditions

Updated:
18°C
64.4°F
°C °F

Condition: Overcast

Pressure: 1,021 hPa

Feel like: 17 °C

Temperature: 18°C

Cloud: 100%

Humidity: 59%

Wind: SW - 9 km/h

Visibility: 38.16 km

Weather forecast

Sun
21 Jun
15°C / 26°C
Overcast
Mon
22 Jun
18°C / 29°C
Slight Thunderstorm
Tue
23 Jun
17°C / 29°C
Slight Thunderstorm
Wed
24 Jun
20°C / 30°C
Slight Thunderstorm
Thu
25 Jun
16°C / 29°C
Moderate Drizzle
Hourly forecast today:
16:00 PM
10° / 18°
10° / 18°
Overcast
59% 19 km/h
17:00 PM
9° / 18°
9° / 18°
Overcast
56% 16 km/h
18:00 PM
9° / 18°
9° / 18°
Overcast
55% 9 km/h
19:00 PM
11° / 17°
11° / 17°
Partly Cloudy
65% 6 km/h
20:00 PM
12° / 16°
12° / 16°
Overcast
76% 11 km/h
21:00 PM
10° / 14°
10° / 14°
Mainly Clear
79% 15 km/h
22:00 PM
9° / 13°
9° / 13°
Clear Sky
76% 19 km/h
23:00 PM
8° / 13°
8° / 13°
Clear Sky
69% 21 km/h
00:00 AM
7° / 13°
7° / 13°
Clear Sky
64% 21 km/h
01:00 AM
6° / 13°
6° / 13°
Clear Sky
66% 21 km/h
02:00 AM
6° / 14°
6° / 14°
Overcast
61% 19 km/h

30 Day Averages and Extremes

  • Average high 17.83°C
  • Average low 12.37°C
  • Hottest day 30°C (24 June 2026)
  • Coldest day 0°C (03 July 2026)
  • Average humidity 76.33%
  • Days with precipitation 23 days
  • Highest precipitation 88 mm (18 June 2026)

Yesterday's Data

  • Max: 18°C
  • Min: 13°C
  • Total Precipitation: 1 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 warm weather in Gwynedd, with temperatures between 20ºC to 23ºC (68.0ºF to 73.4ºF), you might consider wearing:
- Sunscreen (if spending time outdoors)
- Cotton or linen fabrics
- Light, breathable socks
- Sunglasses

Temperature

Early
13°C / 14°C
Morning
11°C / 16°C
Afternoon
9°C / 18°C
Evening
10°C / 14°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 436
  • CO 102
  • NH3 1
  • NO2 0
  • O3 61
  • PM10 4
  • PM25 2
  • SO2 0
  • CH4 1,363

Sunrise / Sunset

03:50
20:46