Snowdonia National Park Weather Forecast
Snowdonia National Park weather: 56°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Summary
Snowdonia National Park is a national park in Gwynedd. Snowdonia National Park is a national park known for Wales' highest peaks and slate valleys.
Right now it is 56°F (14°C) in Snowdonia National Park with overcast. It feels like 53°F. Today runs from 56°F to 73°F. Chance of precipitation is 27%. Sightseeing conditions score 8.6/10 - excellent - go now.
The best time to visit Snowdonia National Park is July and August. The climate is temperate. January, November and December tend to be the least comfortable months. July is the warmest month with average highs near 65°F, while January is the coldest with lows near 35°F.
The closest major airport is Dublin Airport (DUB), about 100 mi away. Nearby highlights include Lake District National Park, Stonehenge, Avebury and Associated Sites, Stonehenge and British Museum.
In plain terms. Today is warmer than average for August. The forecast high of 73°F is 9°F above the 64°F typical for this month. The best window to be outside is roughly 5 PM to 8 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Snowdonia National Park today at 9.2/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Weather in Snowdonia National Park right now
Source: Open-Meteo. Updated 12:54 PM, Aug 25 local time.
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
16-day forecast for Snowdonia National Park
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Tue, Aug 25 | ☁️ Overcast | 73° / 56° | 27% | 13 mph | 4 |
| Wed, Aug 26 | 🌦️ Drizzle | 71° / 58° | 66% · 0,1 in | 11 mph | 3 |
| Thu, Aug 27 | 🌦️ Light showers | 65° / 57° | 100% · 0,3 in | 8 mph | 4 |
| Fri, Aug 28 | 🌦️ Light rain | 64° / 60° | 96% · 0,3 in | 11 mph | 2 |
| Sat, Aug 29 | 🌦️ Light drizzle | 64° / 58° | 83% · 0,2 in | 16 mph | 4 |
| Sun, Aug 30 | 🌦️ Light rain | 60° / 56° | 92% · 0,9 in | 18 mph | 3 |
| Mon, Aug 31 | 🌦️ Drizzle | 59° / 55° | 91% · 0,5 in | 16 mph | 3 |
| Tue, Sep 1 | 🌦️ Light drizzle | 62° / 53° | 73% · 0,1 in | 13 mph | 0 |
| Wed, Sep 2 | 🌧️ Heavy drizzle | 63° / 56° | 78% · 0,4 in | 17 mph | 5 |
| Thu, Sep 3 | 🌦️ Drizzle | 60° / 55° | 72% · 0,2 in | 16 mph | 4 |
| Fri, Sep 4 | ⛈️ Thunderstorm | 64° / 56° | 73% · 2,0 in | 20 mph | 4 |
| Sat, Sep 5 | 🌧️ Showers | 63° / 56° | 71% · 1,4 in | 18 mph | 5 |
| Sun, Sep 6 | 🌦️ Light drizzle | 60° / 55° | 62% · 0,1 in | 17 mph | 3 |
| Mon, Sep 7 | ☁️ Overcast | 60° / 53° | 61% | 8 mph | 0 |
| Tue, Sep 8 | ☀️ Clear sky | -- / -- | — | -- | 5 |
| Wed, Sep 9 | ☀️ Clear sky | -- / -- | — | -- | — |
Climate in Snowdonia National Park month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 43° | 35° | 7,7 in | ★☆☆☆☆ |
| February | 46° | 38° | 7,6 in | ★★☆☆☆ |
| March | 50° | 39° | 5,5 in | ★★☆☆☆ |
| April | 55° | 42° | 5,9 in | ★★★☆☆ |
| May | 60° | 47° | 4,4 in | ★★★★☆ |
| June | 62° | 52° | 7,0 in | ★★★☆☆ |
| July | 65° | 54° | 3,9 in | ★★★★☆ |
| August | 64° | 54° | 5,4 in | ★★★★☆ |
| September | 62° | 51° | 8,7 in | ★★★☆☆ |
| October | 56° | 47° | 7,9 in | ★★☆☆☆ |
| November | 49° | 41° | 9,0 in | ★★☆☆☆ |
| December | 47° | 41° | 12,1 in | ★☆☆☆☆ |
Climate type: Temperate. Source: Open-Meteo archive (ERA5).
Weather map for Snowdonia National Park
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Air quality and pollen in Snowdonia National Park
Pollen today
Pollen is modelled for Europe only; other regions show no values.
Air quality: Open-Meteo (CAMS). US AQI scale.
Sun, twilight and moon
Golden and blue hour are the standard photographic approximation around sunrise and sunset.
Best time to visit Snowdonia National Park
Go in July and August. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, November and December - expect the least comfortable mix of heat, cold or rain.
Explore Snowdonia National Park
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Snowdonia National Park?
Snowdonia National Park is a national park in Gwynedd. Its coordinates are 52.928, -3.9989. It lies in Europe.
What is the weather like in Snowdonia National Park right now?
It is currently 56°F (14°C) with overcast. Humidity is 75% and wind is 8 mph.
When is the best time to visit Snowdonia National Park?
July and August offer the most comfortable conditions in Snowdonia National Park, which has a temperate climate. January, November and December are usually the hardest months for outdoor plans.
What time zone is Snowdonia National Park in?
Snowdonia National Park observes Europe/London (UTC+01:00). The local time is 12:54 PM.
What is the nearest airport to Snowdonia National Park?
The closest airports are Dublin Airport (DUB), 100 mi away, London Heathrow Airport (LHR), 181 mi away and London Gatwick Airport (LGW), 203 mi away.
What are the top things to do in Snowdonia 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 data | USPOTUS Atlas dataset (national-parks) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, 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 August 25, 2026 at 12:54 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
