Last updated: August 23, 2025
In May, the average temperature in Kauniainen, Finland hovers around 10°C (50°F), offering a mild climate. Visitors should be prepared for a range of temperatures, with the minimum dipping to -3°C (28°F) and the maximum reaching up to 26°C (79°F). Precipitation is moderate, totaling 54 mm (2.1 in) over approximately 10 days, while the average humidity remains relatively high at 75%.
In May in Kauniainen, the average temperature is 10°C (50°F). The maximum can reach 26°C (79°F), while the minimum can dip as low as -3°C (28°F). This diverse temperature range means travelers should pack accordingly for both warm and cooler weather activities.
In Kauniainen in May, the total precipitation amount is 54 mm (2.1 in) over the course of 10 days.
In Kauniainen in May humidity is 75%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration uncomfortable and necessitating extra layers for warmth and comfort.
In Kauniainen in May, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Kauniainen.
UV Risk Categories
Weather in Kauniainen varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Kauniainen, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (28°F) | 56 mm (2.2 inches) | 97% | low |
| February Weather | -3°C (26°F) | 48 mm (1.9 inches) | 95% | low |
| March Weather | -1°C (31°F) | 53 mm (2.1 inches) | 93% | moderate |
| April Weather | 4°C (39°F) | 45 mm (1.8 inches) | 86% | moderate |
| May Weather | 10°C (50°F) | 54 mm (2.1 inches) | 75% | moderate |
| June Weather | 16°C (61°F) | 55 mm (2.2 inches) | 75% | high |
| July Weather | 18°C (64°F) | 84 mm (3.3 inches) | 80% | high |
| August Weather | 16°C (62°F) | 77 mm (3.0 inches) | 83% | moderate |
| September Weather | 12°C (54°F) | 71 mm (2.8 inches) | 90% | moderate |
| October Weather | 7°C (45°F) | 88 mm (3.5 inches) | 93% | low |
| November Weather | 3°C (38°F) | 63 mm (2.5 inches) | 94% | low |
| December Weather | -1°C (31°F) | 74 mm (2.9 inches) | 95% | low |