Last updated: August 27, 2025
In Sylva, Russian Federation, the average temperature in May hovers around 11°C (52°F). During this time, temperatures can vary significantly, dropping to a chilly -8°C (18°F) at night and peaking at a warm 31°C (88°F) during the day. Expect 56 mm (2.2 in) of precipitation spread over 11 days, with an average humidity of 79%, creating a damp and inviting atmosphere for the month.
In May in Sylva, the average temperature is 11°C (52°F). Maximum temperatures can reach up to 31°C (88°F), while minimum temperatures can drop as low as -8°C (18°F). Be prepared for significant temperature fluctuations during your travels.
In Sylva in May, the precipitation amount is 56 mm (2.2 in) over the course of 11 days.
In Sylva in May humidity is 79%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that seeps through your clothes, making prolonged outdoor activities uncomfortable for travelers.
In Sylva in May, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Sylva, you can refer to this Hourly UV Index in Sylva.
UV Risk Categories
Weather in Sylva varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Sylva, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -12°C (11°F) | 39 mm (1.5 inches) | 99% | low |
February Weather | -10°C (13°F) | 48 mm (1.9 inches) | 97% | low |
March Weather | -5°C (24°F) | 47 mm (1.9 inches) | 95% | moderate |
April Weather | 3°C (38°F) | 48 mm (1.9 inches) | 90% | moderate |
May Weather | 11°C (52°F) | 56 mm (2.2 inches) | 79% | high |
June Weather | 15°C (59°F) | 80 mm (3.1 inches) | 71% | high |
July Weather | 19°C (66°F) | 105 mm (4.1 inches) | 81% | high |
August Weather | 16°C (61°F) | 89 mm (3.5 inches) | 80% | high |
September Weather | 10°C (49°F) | 67 mm (2.6 inches) | 89% | moderate |
October Weather | 4°C (40°F) | 66 mm (2.6 inches) | 91% | moderate |
November Weather | -4°C (25°F) | 59 mm (2.3 inches) | 94% | low |
December Weather | -9°C (16°F) | 49 mm (1.9 inches) | 90% | low |