Best Time to Visit Snowdonia for Hiking | Weather by Month

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Outdoor activities Potential

79/100

Good

Based on optimal climate

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Seasonality

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Best Time

June, April, May

Avoid

Avoid (Extreme Weather)

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Weather

4°C – 14°C

Avg Temp Range

Precipitation

Generally dry

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Good For

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🥾 Planning a hiking trip to Snowdonia?

The best time to visit Snowdonia for hiking is June, April, May, when trail conditions are most favorable and the weather is more stable. If you're planning your trip around this period, it can be helpful to look into where to stay and how to organize your hikes in advance.

→ Explore places to stay near hiking areas in Snowdonia

→ Discover hiking routes and experiences in Snowdonia

Climate Heatmap

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Planning for a specific month? Tap on a month in the heatmap below for a detailed climate guide.

Summer offers the most reliable hiking conditions in Snowdonia, with open trails and longer daylight hours.

→ See where to stay in Snowdonia

Outdoor activities conditions breakdown

Monthly weather & climate data for Snowdonia

Month	Climate Score	Predictability	Avg Temp	Max Temp	Rain (mm)	Rain Days	Humidity	Season
JanuaryOutdoor activities in Snowdonia in Januaryarrow_forward	25Poor Cool temperatures. High rain conditions.	Predictability 70Weather conditions vary somewhat by season.	4°	6°	141	20.7	90%	shoulder
FebruaryOutdoor activities in Snowdonia in Februaryarrow_forward	28Poor Cool temperatures. High rain conditions.	Predictability 70Weather conditions vary somewhat by season.	4°	6°	123	18.7	87%	shoulder
MarchOutdoor activities in Snowdonia in Marcharrow_forward	33Poor Cool temperatures. High rain conditions.	Predictability 70Weather conditions vary somewhat by season.	5°	8°	109	19.5	85%	shoulder
AprilOutdoor activities in Snowdonia in Aprilarrow_forward	47Poor Cool temperatures. Some rain conditions.	Predictability 70Weather conditions vary somewhat by season.	7°	10°	89	18.6	82%	shoulder
MayOutdoor activities in Snowdonia in Mayarrow_forward	45Poor Cool temperatures. Some rain conditions.	Predictability 70Weather conditions vary somewhat by season.	10°	13°	96	20	80%	shoulder
JuneOutdoor activities in Snowdonia in Junearrow_forward	79Good Cool temperatures. High rain conditions.	Predictability 70Weather conditions vary somewhat by season.	12°	16°	104	19.6	82%	shoulder
JulyOutdoor activities in Snowdonia in Julyarrow_forward	45Poor Cool temperatures. High rain conditions.	Predictability 70Weather conditions vary somewhat by season.	14°	17°	111	21.5	84%	shoulder
AugustOutdoor activities in Snowdonia in Augustarrow_forward	45Poor Cool temperatures. High rain conditions.	Predictability 70Weather conditions vary somewhat by season.	14°	17°	120	22.8	85%	shoulder
SeptemberOutdoor activities in Snowdonia in Septemberarrow_forward	45Poor Cool temperatures. High rain conditions.	Predictability 70Weather conditions vary somewhat by season.	12°	15°	115	19.6	86%	shoulder
OctoberOutdoor activities in Snowdonia in Octoberarrow_forward	45Poor Cool temperatures. High rain conditions.	Predictability 70Weather conditions vary somewhat by season.	9°	12°	142	20.7	87%	shoulder
NovemberOutdoor activities in Snowdonia in Novemberarrow_forward	28Poor Cool temperatures. High rain conditions.	Predictability 70Weather conditions vary somewhat by season.	6°	8°	146	21.3	90%	shoulder
DecemberOutdoor activities in Snowdonia in Decemberarrow_forward	24Poor Cool temperatures. High rain conditions.	Predictability 70Weather conditions vary somewhat by season.	4°	6°	156	21	91%	wet