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Outdoor activities Potential

73/100

Good

Based on optimal climate

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Seasonality

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Best Time

June, September, May

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Avoid

January, February, October, November, December

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Weather

2°C – 18°C

Avg Temp Range

Precipitation

Generally dry

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Good For

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Explore Belgium

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BelgiumOutdoor activities climate guide
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🥾 Planning a hiking trip to Semois Valley?

The best time to visit Semois Valley for hiking is June, September, May, when trail conditions are most favorable and the weather is more stable.

Climate Heatmap

See at a glance which months offer the best outdoor activities conditions — based on temperature, rainfall and climate scores.

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

→ See where to stay in Semois Valley

Outdoor activities conditions breakdown

Monthly weather & climate data for Semois Valley

MonthClimate ScorePredictabilityAvg TempRain (mm)
January
27Poor
Cool temperatures. High rain conditions.
Predictability 70Weather conditions vary somewhat by season.
124
February
32Poor
Cool temperatures. Some rain conditions.
Predictability 78Weather conditions vary somewhat by season.
89
March
32Poor
Cool temperatures. Some rain conditions.
Predictability 78Weather conditions vary somewhat by season.
88
April
53Suboptimal
Cool temperatures. Some rain conditions.
Predictability 85Weather conditions are fairly consistent throughout the year.
71
May
72Good
Cool temperatures. Some rain conditions.
Predictability 78Weather conditions vary somewhat by season.
13°85
June
73Good
Mild temperatures. Some rain conditions.
Predictability 85Weather conditions are fairly consistent throughout the year.
16°81
July
68Suboptimal
Mild temperatures. Some rain conditions.
Predictability 85Weather conditions are fairly consistent throughout the year.
18°94
August
68Suboptimal
Mild temperatures. Some rain conditions.
Predictability 85Weather conditions are fairly consistent throughout the year.
18°82
September
73Good
Cool temperatures. Some rain conditions.
Predictability 78Weather conditions vary somewhat by season.
14°98
October
53Suboptimal
Cool temperatures. High rain conditions.
Predictability 70Weather conditions vary somewhat by season.
10°102
November
26Poor
Cool temperatures. High rain conditions.
Predictability 78Weather conditions vary somewhat by season.
125
December
25Poor
Cool temperatures. High rain conditions.
Predictability 70Weather conditions vary somewhat by season.
137

Source: Historical climate averages (30-year observation).

Quick summary: visiting Semois Valley

When is the best time to visit Semois Valley for outdoor activities?

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The best time to visit Semois Valley for outdoor activities is typically in June, September, May, when the weather is most favorable.

When is the rainy season in Semois Valley?

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There is no distinct rainy season in Semois Valley, making it a year-round destination for outdoor activities.

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Plan your hiking trip to Semois Valley

Now you know the best time to visit Semois Valley for hiking — here are the essential next steps to plan your trip.

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Where to stay

Find well-rated stays near hiking trails and key access points.

Find top stays near hiking areas
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Hiking & Tours

Find guided hikes, popular routes and outdoor experiences.

Find hiking tours and routes
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Stay connected

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Avoid roaming costs — get mobile data
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