Last updated: June 2, 2025
Understanding the UV Index in Haldwani, India, is crucial for residents and visitors alike, particularly given the region's Cwa climate which experiences significant sunlight throughout the year. As UV levels soar—reaching a peak of 12 between 12 PM and 1 PM—it’s important to be aware of the risks associated with sun exposure, including sunburn and long-term skin health issues. By keeping track of the UV Index, you can take proactive steps to protect yourself from harmful rays and ensure a safe, enjoyable time outdoors in Haldwani’s vibrant atmosphere.
At sunrise, the UV Index begins at a gentle 2 by 07:00, but as the sun rises higher, the intensity quickly escalates. By 09:00, it reaches a moderate 7, signaling outdoor enthusiasts to apply sunscreen. The peak comes at 11:00 and 12:00, where the index peaks at a striking 12, indicating very high levels of UV radiation. As the afternoon progresses, the index gradually decreases, dipping to 8 by 14:00 and further dropping to 5 by 15:00. In the late afternoon and evening, the UV Index retreats to 3 by 16:00, finally settling at 1 by 17:00 and fading to 0 after 19:00. This daily cycle highlights the importance of sun safety during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV Index values exhibit distinct seasonal changes, peaking during the summer months. January and December present a moderate UV Index of 5, allowing for about 30 minutes of safe sun exposure. As we move into February, the index rises to 6 (high), indicating a burn time of 25 minutes. The real concern begins in March and April, when the index escalates to 9 and 10 respectively, categorized as very high, leading to a reduced safe exposure time of 15 minutes. The intensity peaks in June and July, reaching an extreme index of 11 and 13, necessitating sun protection after just 10 minutes of exposure. August lingers around 12 (extreme) before tapering off in September and October to 10 and 9, both still categorized as very high. As the year closes, November drops to 6 (high), returning to the moderate levels in December. Visitors and residents are strongly advised to prioritize sun safety, especially between March and September, employing sunscreen, protective clothing, and shade to mitigate the risks associated with high UV exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Delhi UVI | 5 | 6 | 9 | 10 | 10 | 10 | 12 | 12 | 9 | 8 | 5 | 5 |
| Haldwani | 5 | 6 | 9 | 10 | 10 | 11 | 13 | 12 | 10 | 9 | 6 | 5 |
| Mumbai UVI | 8 | 9 | 10 | 11 | 11 | 12 | 13 | 13 | 11 | 10 | 7 | 7 |
| Ahmedabad UVI | 7 | 8 | 10 | 12 | 11 | 12 | 13 | 13 | 11 | 10 | 7 | 6 |
| Hyderabad UVI | 10 | 11 | 12 | 11 | 13 | 13 | 15 | 14 | 13 | 11 | 8 | 8 |
| Bengaluru UVI | 11 | 13 | 13 | 14 | 13 | 14 | 14 | 14 | 14 | 12 | 11 | 10 |