Vavuniya is a moderately safe destination for solo female travelers. Like many places, it requires a balance of precaution and confidence. The local people are generally friendly, helpful, and have a deep respect for women. While the region has a generally safe atmosphere, it's advised to stay aware and take regular travel precautions. Avoid isolated areas, especially at night, and beware of scams. Additionally, appropriate dress is important in Sri Lanka given the country's cultural background.