Last updated: June 24, 2025
In March, the average temperature in Arlington Heights, United States hovers around 5°C (41°F). Expect a significant temperature range, with minimums plummeting to -12°C (11°F) and maximums reaching up to 25°C (77°F). The region experiences considerable precipitation, totaling 256 mm (10.1 in) over 18 days, contributing to a high average humidity of 88%. Stay prepared for a chilly and damp month!
In March in Arlington Heights, the average temperature is 5°C (41°F), with maximums reaching 25°C (77°F) and minimums dropping as low as -12°C (11°F). This diverse range of temperatures makes it essential for travelers to pack accordingly and be prepared for varying weather conditions.
In Arlington Heights in March, the total precipitation amount is 256 mm (10.1 in), measured over a span of 18 days.
In Arlington Heights in March humidity is 88%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making it essential to bundle up for your travels, as every breath feels heavy in the air and the landscape appears cloaked in a misty shroud.
In Arlington Heights in March, 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 Arlington Heights.
UV Risk Categories
Weather in Arlington Heights varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Arlington Heights, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (37°F) | 314 mm (12.4 inches) | 87% | low |
| February Weather | 2°C (36°F) | 325 mm (12.8 inches) | 86% | moderate |
| March Weather | 5°C (41°F) | 256 mm (10.1 inches) | 88% | moderate |
| April Weather | 8°C (47°F) | 214 mm (8.4 inches) | 86% | high |
| May Weather | 12°C (54°F) | 113 mm (4.4 inches) | 82% | very high |
| June Weather | 15°C (59°F) | 104 mm (4.1 inches) | 82% | very high |
| July Weather | 17°C (63°F) | 37 mm (1.5 inches) | 85% | very high |
| August Weather | 18°C (64°F) | 38 mm (1.5 inches) | 77% | very high |
| September Weather | 14°C (58°F) | 175 mm (6.9 inches) | 76% | high |
| October Weather | 8°C (47°F) | 302 mm (11.9 inches) | 88% | moderate |
| November Weather | 5°C (42°F) | 404 mm (15.9 inches) | 88% | moderate |
| December Weather | 2°C (37°F) | 365 mm (14.4 inches) | 89% | low |