Last updated: July 2, 2025
In Yarmouth, Canada, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels is vital to prevent sunburn and reduce the long-term risks of skin damage, especially during the peak sun hours when the UV Index soars. With its Dfb climate, Yarmouth experiences a range of UV exposure throughout the year, making it essential for residents and visitors alike to stay informed. From moderate levels in the morning to very high levels around midday, being mindful of these fluctuations can help you enjoy the sunshine while keeping your skin safe.
As the day unfolds, the UV Index experiences a notable rise, peaking beautifully at 9 between 1 PM and 2 PM, signaling caution for sunbathers and outdoor enthusiasts alike. The morning starts off quite mild, with values of 1 at 7 AM and 8 AM, before gradually climbing to 5 by 10 AM. By 11 AM, it reaches 6, and shortly after, the sun’s intensity really kicks in with a maximum of 8 at 12 PM. The afternoon sees a consistent high, maintaining 8 and 9 until 3 PM, before gradually receding as the sun begins to set, dropping to 6 at 4 PM, and down to 1 by 7 PM. Remember, while basking in the midday sun, it's crucial to protect your skin as the UV levels soar!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 9 | 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 |