Last updated: August 27, 2025
In May, the average temperature in Hallsta, Sweden hovers around 7°C (45°F). Temperatures can vary dramatically, with a minimum of -4°C (25°F) and a maximum of 26°C (79°F). Expect 52 mm (2.0 in) of precipitation spread over about 10 days, while the air remains quite humid with an average humidity of 86%.
In May in Hallsta, the average temperature is 7°C (45°F). The maximum can reach 26°C (79°F), while the minimum can be as low as -4°C (25°F). It's advisable to pack layers to accommodate the wide temperature range during your travels.
In Hallsta in May, the precipitation amount is 52 mm (2.0 in) over the course of 10 days.
In Hallsta in May, humidity is 86%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration a bit uncomfortable and necessitating cozy layers to stay warm while navigating the moist air.
In Hallsta 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 Hallsta.
UV Risk Categories
Weather in Hallsta varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Hallsta, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -5°C (23°F) | 45 mm (1.8 inches) | 99% | low |
February Weather | -6°C (22°F) | 31 mm (1.2 inches) | 97% | low |
March Weather | -2°C (28°F) | 41 mm (1.6 inches) | 94% | moderate |
April Weather | 2°C (36°F) | 31 mm (1.2 inches) | 89% | moderate |
May Weather | 7°C (45°F) | 52 mm (2.0 inches) | 86% | moderate |
June Weather | 13°C (56°F) | 72 mm (2.8 inches) | 81% | high |
July Weather | 15°C (59°F) | 80 mm (3.1 inches) | 82% | high |
August Weather | 14°C (57°F) | 70 mm (2.8 inches) | 90% | moderate |
September Weather | 9°C (49°F) | 78 mm (3.1 inches) | 92% | moderate |
October Weather | 4°C (40°F) | 74 mm (2.9 inches) | 95% | low |
November Weather | -1°C (31°F) | 45 mm (1.8 inches) | 98% | low |
December Weather | -4°C (25°F) | 61 mm (2.4 inches) | 100% | low |