Castilla y León Pest Risk Index 2026
The high meseta has short summers and cold winters — pest pressure is markedly lower than the Mediterranean coast. Indoor German cockroaches in heated buildings are the dominant year-round concern.
Cities ranked
5
Average score
34/100
Very high risk
0
High risk
0
Seasonal pattern
Cool-tier regions have low overall pressure but indoor pests can persist year-round in heated buildings. Focus on draught-proofing entry points and removing food sources rather than chemical treatment.
Full Castilla y León Ranking
Each city scored 0–20 on temperature, season length, humidity, infrastructure age, and density. Composite score 0–100. Higher = more aggressive prevention needed.
| # | City | Score | Risk |
|---|---|---|---|
| 1 | Valladolid Inland | 38 | Low |
| 2 | Salamanca Inland | 37 | Low |
| 3 | Segovia Inland | 36 | Low |
| 4 | León Inland | 32 | Low |
| 5 | Burgos Inland | 25 | Low |
National Pest Risk Index
See how Castilla y León compares to the other 16 Spanish regions on our full 89-city index.
Free 12-Step Prevention Checklist
The exact system professional pest controllers use — printable, free, no spam.
Frequently Asked Questions
Which city in Castilla y León has the worst pest problem?
Valladolid scores 38/100 on our pest risk index — the highest in Castilla y León. The dominant pest profile is german cockroach (occasional). 5 Castilla y León cities are ranked in our 2026 index.
How is Castilla y León different from other Spanish regions for pests?
The high meseta has short summers and cold winters — pest pressure is markedly lower than the Mediterranean coast. Indoor German cockroaches in heated buildings are the dominant year-round concern.
What is the worst month for pests in Castilla y León?
Castilla y León has a short, sharp pest season concentrated in July and August. Indoor German cockroaches and rats are the main year-round concerns in older urban buildings.