Snowdonia in December for Hiking
Planning Snowdonia
Looking for an overview of all seasons?
Climate Score
18/100 (Not suitable for Hiking)
Temperature
4°C Average
Rainfall
High (Monsoon influence)
The Verdict
Not suitable for Hiking
Wait! Before you book Snowdonia in December...
We strongly recommend making a choice: upgrade your outdoor activities trip to a better destination, or make sure you book accommodations equipped for challenging weather.
These destinations are MUCH better for outdoor activities in December
Going anyway? Book stays with great indoor facilities
If your dates are locked, don't let poor conditions ruin your trip. Prioritize accommodations with indoor pools, spas, or excellent communal areas. Avoid remote locations where getting stuck inside implies boredom.
domain Find bad-weather safe staysLooking for better outdoor activities weather in Snowdonia?
These months historically score high for outdoor activities.
🌧️ Hiking in Snowdonia in December anyway?
⚠️ Trail condition risksWhile December isn't ideal for hiking in Snowdonia due to difficult conditions, if your dates are locked, base yourself in a town with alternative activities or easily accessible lower-elevation trails.
Seasonality
Atmosphere
Daily Peak
6°C
Rain Volume
252mm
Outdoor activities conditions breakdown
Official weather & climate data for December in Snowdonia
Temperature & Sun
Rain & Humidity
Final Analysis
Not suitable for Hiking
View best months for outdoor activities in Snowdonia arrow_forwardYear-over-Year comparison
View all 12 months for outdoor activities in Snowdonia to find the perfect window for your trip.
Best months for outdoor activities in Snowdonia
See at a glance which months offer the best conditions — based on climate scores.
December in Detail
Score: 18/100Temp
3.8°C
Average
Precip
252.3mm
Rainfall
Verdict
Cool temperatures. High rain conditions.
If you're visiting in December, prioritize highly-rated indoor properties or hotels near public transport.
→ Best bad-weather friendly staysWhat is the weather like in Snowdonia in December for Outdoor activities?
Cooler than November.
For additional context, compare outdoor activities in November and January for Snowdonia.
The climate score of 18/100 for outdoor activities in December is an objective measurement based on 30-year historical weather normals. This rating considers temperature, precipitation, and humidity thresholds specific to outdoor activities.
How does Snowdonia compare for outdoor activities?
Not sure yet?
Cross-reference Snowdonia with other top outdoor activities destinations to find your ultimate match.
map If December is fixed, consider these alternatives
December offers not suitable for hiking outdoor activities conditions in Snowdonia. These destinations historically perform better for outdoor activities in December:
Methodology
Whirago climate scores are calculated using 30-year historical climate normals. Our proprietary "Comfort Index" weights temperature, precipitation frequency, and humidity against activity-specific thresholds (e.g., higher heat tolerance for beach vs. trekking). Seasonal classifications are determined by the 70th and 85th percentiles of historically stable conditions.
Plan your perfect hiking trip to Snowdonia
Now is one of the best times to visit — here’s how to make the most of it:
Where to stay
Find basecamps, mountain lodges, and hand-picked hotels close to the trails in Snowdonia:
Hiking & Tours
Find suitable trails, book guided hikes, and find top outdoor experiences in Snowdonia:
Stay connected
Secure mobile data for trail maps and navigation with a reliable local eSIM: