Last updated: August 23, 2025
In Harku, Estonia, the average temperature in May hovers around 9°C (49°F), with the minimum dipping to -1°C (30°F) and a pleasant maximum reaching 23°C (74°F). Expect about 52 mm (2.0 in) of precipitation spread over 9 days, contributing to an average humidity level of 76%.
In May in Harku, the average temperature is 9°C (49°F), with maximums reaching up to 23°C (74°F) and minimums dipping as low as -1°C (30°F). Be prepared for a range of temperatures while traveling, ensuring you have both warm and cool clothing options.
In Harku in May, the precipitation amount is 52 mm (2.0 in) over a span of 9 days.
In Harku in May, humidity is 76%. With an average temperature of 9°C (49°F), this humidity feels like a chilly embrace, making outdoor adventures a bit uncomfortable as the dampness seeps into your clothes and lingers in the air, often leading to a sense of coolness that can be refreshing but also dampens the joy of exploration.
In Harku 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 Harku.
UV Risk Categories
Weather in Harku varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Harku, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -1°C (31°F) | 45 mm (1.8 inches) | 92% | low |
February Weather | -2°C (29°F) | 49 mm (1.9 inches) | 91% | low |
March Weather | 0°C (33°F) | 48 mm (1.9 inches) | 90% | moderate |
April Weather | 4°C (40°F) | 39 mm (1.5 inches) | 87% | moderate |
May Weather | 9°C (49°F) | 52 mm (2.0 inches) | 76% | moderate |
June Weather | 16°C (60°F) | 53 mm (2.1 inches) | 80% | high |
July Weather | 18°C (65°F) | 65 mm (2.6 inches) | 80% | high |
August Weather | 17°C (63°F) | 101 mm (4.0 inches) | 83% | moderate |
September Weather | 13°C (56°F) | 78 mm (3.1 inches) | 87% | moderate |
October Weather | 8°C (47°F) | 108 mm (4.2 inches) | 90% | low |
November Weather | 4°C (40°F) | 62 mm (2.4 inches) | 91% | low |
December Weather | 0°C (33°F) | 62 mm (2.4 inches) | 90% | low |