National park in Gwynedd

Snjórdonia National Park Loftslag and Average Veður

Loftslag of Snjórdonia National Park: average temperatures, rainfall and seasons month by month.

🌦️ 12°C now🕔 10:11 AM local📅 Best: júlí and ágúst

Loftslag in Snjórdonia National Park month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

janfebmaraprágsepoktdesLine: average high · Bars: rainfall
MánuðurAvg highAvg lowRigningfallRating
janúar196 mm☆☆☆☆
febrúar192 mm★★☆☆☆
mars10°140 mm★★☆☆☆
apríl13°151 mm★★★☆☆
maí16°111 mm★★★★
júní17°11°179 mm★★★☆☆
júlí19°12°100 mm★★★★
ágúst18°12°115 mm★★★★
september16°11°221 mm★★★☆☆
október13°200 mm★★☆☆☆
nóvember10°228 mm★★☆☆☆
desember308 mm☆☆☆☆

Loftslag type: Temperate. Heimild: Open-Meteo archive (ERA5).

Recent extremes in Snjórdonia National Park

Háttest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.

Hottest day31°Cjún 25, 2026
Coldest night-7°Cjan 9, 2025
Wettest day59 mmdes 1, 2025

How Snjórdonia National Park compares með nearby places

Annual averages, and the difference against Snjórdonia National Park.

PlaceDistanceAvg tempvs hereAnnual rain
Liverpool86 km11°C+1°C warmer1163 mm
Merseyside86 km11°C+1°C warmer1163 mm
Greater Manchester132 km11°C+1°C warmer1210 mm
Manchester132 km11°C+1°C warmer1210 mm
Lancashire135 km10°Cabout the same1504 mm

Best time til visit Snjórdonia National Park

Go in júlí and ágúst. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: janúar, nóvember and desember - expect the least comfortable mix of heat, cold or rain.

janúar☆☆☆☆
febrúar★★☆☆☆
mars★★☆☆☆
apríl★★★☆☆
maí★★★★
júní★★★☆☆
júlí★★★★
ágúst★★★★
september★★★☆☆
október★★☆☆☆
nóvember★★☆☆☆
desember☆☆☆☆

What this means for Snjórdonia National Park

Compared með normal

Today is slightly cooler than average for september. The forecast high of 14°C is 2.4°C below the 16°C typical for this month.

Rigning chance explained

A 100% chance means rain is expected over most of the area. Plan indoor alternatives.

Ferðir and driving

Wet roads are likely; braking distances roughly double in heavy rain.

Worth knowing

Northern Hemisphere, so peak summer falls in júní til ágúst.

Worth knowing

The gap between the warmest and coldest month averages 12°C.

What til pack, what til skip

Pack for the next 7 days
  • A packable rain shell - 5 of the next 7 days carry a real chance of rain
Worth avoiding
  • If your dates are flexible, avoid janúar, nóvember and desember - historically the least comfortable months here.

Samantekt

Snjórdonia National Park is a national park in Gwynedd. Snjórdonia National Park is a national park known for Wales' highest peaks and slate valleys.

Núna er hitinn 12°C (54°F) in Snjórdonia National Park með drizzle. Hitinn finnst vera 12°C. Í dag er hitinn frá 11°C til 14°C. Líkur á úrkomu eru 100%. Sightseeing conditions score 6.8/10 - sæmilegt — skipuleggðu eftir veðri.

Besti tíminn til að heimsækja Snjórdonia National Park is júlí and ágúst. Loftslagið er temperate. janúar, nóvember and desember tend til be the least comfortable months. júlí is the warmest month með average highs near 19°C, while janúar is the coldest með lows near 2°C.

The closest major airport is Dublin Airport (DUB), about 161 km away. Nearby highlights include Lake District National Park, Stonehenge, Avebury and Associated Sites, Stonehenge and British Museum.

Í einföldu máli. Today is slightly cooler than average for september. The forecast high of 14°C is 2.4°C below the 16°C typical for this month. The best window til be outside is roughly 5 PM til 8 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Snjórdonia National Park today at 9.6/10. Wet roads are likely; braking distances roughly double in heavy rain.

Compiled from this page's own data: atlas facts plus live Open-Meteo readings.

Quick facts about Snjórdonia National Park

TegundNational park
CountyGwynedd
LandBretland
HeimsálfaEvrópa
Hnit52°55′40.8″N 3°59′56″W (52.928, -3.9989)
Established1951
Known forWales' highest peaks and slate valleys
Staðartími10:11 AM (UTC+01:00)
Best monthsjúlí and ágúst
LoftslagTemperate

Veður map for Snjórdonia National Park

Animated model layers. Pick a layer til load it.

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Animated layers by Vindury. For pin-level detail and nearby places, see the interactive map below.

Explore Snjórdonia National Park

Every topic we hold for this place, and the same topic for the places around it.

Loftslag for related places

Frequently asked questions

Where is Snjórdonia National Park?

Snjórdonia National Park is a national park in Gwynedd. Its coordinates are 52.928, -3.9989. It lies in Evrópa.

What is the weather like in Snjórdonia National Park núna?

It is currently 12°C (54°F) með drizzle. Raki is 95% and wind is 7 km/h.

When is the best time til visit Snjórdonia National Park?

júlí and ágúst offer the most comfortable conditions in Snjórdonia National Park, which has a temperate climate. janúar, nóvember and desember are usually the hardest months for outdoor plans.

What time zone is Snjórdonia National Park in?

Snjórdonia National Park observes Europe/London (UTC+01:00). The local time is 10:11 AM.

What is the nearest airport til Snjórdonia National Park?

The closest airports are Dublin Airport (DUB), 161 km away, London Heathrow Airport (LHR), 291 km away and London Gatwick Airport (LGW), 327 km away.

What are the top things til do in Snjórdonia National Park?

Popular options include Lake District National Park, Stonehenge, Avebury and Associated Sites, Stonehenge, British Museum, River Thames and Big Ben and the Houses of Parliament.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (national-parks) - coordinates, hierarchy and facts.
Spá and observationsOpen-Meteo (ECMWF and national models).
Loftgæði and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Loftslag averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
MethodScores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown.

Last updated september 16, 2026 at 10:11 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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