Last updated: June 2, 2025
In Yarmouth, Canada, staying informed about the UV Index is crucial for safeguarding your skin's health under the sun's powerful rays. Understanding the UV levels not only helps in preventing painful sunburns but also plays a vital role in reducing long-term risks of skin damage. Given Yarmouth's Dfb climate, residents and visitors alike should be particularly aware of peak UV exposure, especially during midday when indices can soar to 10, signaling a need for extra precautions. With this knowledge, you can enjoy the beautiful sunny days in Yarmouth while keeping your skin safe.
As the sun rises, the UV Index gradually climbs, beginning at a mild 1 at 7:00 AM. By 9:00 AM, it reaches 3, prompting early risers to consider sun protection. The intensity peaks at 1:00 PM with a maximum of 10, signaling the most hazardous conditions for unprotected skin. As the afternoon unfolds, the index dips from 9 at 2:00 PM to 6 by 4:00 PM, offering a brief respite. As the day winds down, the UV rays decrease, falling to 2 by 6:00 PM and returning to a safe 1 by 7:00 PM. Stay mindful of these fluctuations to enjoy the sun while safeguarding your skin!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences significant seasonal changes, indicating varying levels of sun exposure risk. January and December present the lowest UV levels (Index 2), categorized as low risk with a longer burn time of 45 minutes. As we move into February and March, UV levels rise to 4 and 5 respectively, categorized as moderate risk, with burn times reduced to 30 minutes. The high-risk period runs from April through September, where the UV Index reaches 8 to 10—marked as very high, necessitating only 15 minutes of sun exposure before the risk of burning increases significantly. October and November see a downward trend with moderate exposure levels returning. Visitors and residents are advised to take precautions during the peak summer months, particularly from April to September, by seeking shade, wearing protective clothing, and applying sunscreen regularly to reduce the risk of skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Edmonton UVI | 2 | 3 | 5 | 6 | 7 | 7 | 8 | 7 | 6 | 4 | 2 | 1 |
| Calgary UVI | 2 | 3 | 4 | 6 | 8 | 8 | 9 | 8 | 7 | 4 | 2 | 1 |
| Montreal UVI | 2 | 4 | 5 | 7 | 9 | 9 | 8 | 8 | 7 | 5 | 3 | 2 |
| Ottawa UVI | 2 | 4 | 5 | 8 | 9 | 9 | 8 | 8 | 7 | 5 | 3 | 2 |
| Toronto UVI | 2 | 4 | 5 | 8 | 9 | 9 | 9 | 9 | 7 | 5 | 3 | 2 |
| Yarmouth | 2 | 4 | 5 | 8 | 9 | 10 | 9 | 9 | 8 | 5 | 3 | 2 |