Last updated: August 27, 2025
In May, the average temperature in Kalix, Sweden hovers around 5°C (41°F). Expect to experience chilly nights with minimums dipping to -4°C (25°F), while daytime highs can reach up to 18°C (65°F). Be prepared for 48 mm (1.9 in) of precipitation spread over 8 days, and don’t forget that the air will feel quite humid, with an average humidity of 80%.
In May, in Kalix, the average temperature is 5°C (41°F). The maximum can reach 18°C (65°F), and the minimum can be as low as -4°C (25°F). This range makes Kalix a destination that requires versatile clothing options, perfect for travelers who enjoy experiencing varying weather conditions.
In Kalix in May, the precipitation amount is 48 mm (1.9 in) over a span of 8 days.
In Kalix in May humidity is 80%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration feel much colder than it actually is, leading to the necessity of layering up to stay comfortable while traveling.
In Kalix in May, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Kalix for better planning.
UV Risk Categories
Weather in Kalix varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Kalix, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -7°C (20°F) | 50 mm (2.0 inches) | 99% | low |
February Weather | -8°C (18°F) | 43 mm (1.7 inches) | 97% | low |
March Weather | -4°C (24°F) | 44 mm (1.7 inches) | 93% | low |
April Weather | 0°C (32°F) | 31 mm (1.2 inches) | 86% | moderate |
May Weather | 5°C (41°F) | 48 mm (1.9 inches) | 80% | moderate |
June Weather | 12°C (55°F) | 56 mm (2.2 inches) | 76% | high |
July Weather | 16°C (62°F) | 64 mm (2.5 inches) | 79% | moderate |
August Weather | 15°C (59°F) | 85 mm (3.4 inches) | 83% | moderate |
September Weather | 10°C (51°F) | 77 mm (3.0 inches) | 89% | moderate |
October Weather | 4°C (40°F) | 103 mm (4.1 inches) | 94% | low |
November Weather | 0°C (32°F) | 72 mm (2.8 inches) | 94% | low |
December Weather | -4°C (26°F) | 76 mm (3.0 inches) | 98% | low |