Last updated: June 24, 2025
In Arlington Heights, United States during the month of March, the average temperature hovers around 7°C (45°F). Expect a chill in the air with minimums dropping to -15°C (5°F), while the temperature can climb up to a pleasant 26°C (80°F). Be prepared for 137 mm (5.4 in) of precipitation over approximately 13 days, and a high humidity level of 87%, creating a refreshing yet damp atmosphere.
In March in Arlington Heights, the average temperature is 7°C (45°F), with maximums reaching up to 26°C (80°F) and minimums dipping as low as -15°C (5°F). This range makes it essential for travelers to pack accordingly, ensuring comfort in both warmer and colder conditions.
In Arlington Heights in March, the total precipitation amount reaches 137 mm (5.4 in) over the course of 13 days.
In Arlington Heights in March, humidity is 87%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures somewhat uncomfortable and urging travelers to seek refuge in cozy cafes or warm indoor activities.
In Arlington Heights in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Arlington Heights, you can refer to this 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 | 1°C (33°F) | 80 mm (3.2 inches) | 88% | moderate |
| February Weather | 3°C (37°F) | 107 mm (4.2 inches) | 88% | moderate |
| March Weather | 7°C (45°F) | 137 mm (5.4 inches) | 87% | high |
| April Weather | 12°C (55°F) | 119 mm (4.7 inches) | 85% | very high |
| May Weather | 19°C (66°F) | 127 mm (5.0 inches) | 81% | very high |
| June Weather | 23°C (74°F) | 131 mm (5.2 inches) | 82% | very high |
| July Weather | 25°C (78°F) | 110 mm (4.3 inches) | 81% | very high |
| August Weather | 24°C (75°F) | 89 mm (3.5 inches) | 73% | very high |
| September Weather | 21°C (71°F) | 81 mm (3.2 inches) | 73% | very high |
| October Weather | 15°C (59°F) | 96 mm (3.8 inches) | 78% | high |
| November Weather | 7°C (44°F) | 99 mm (3.9 inches) | 89% | moderate |
| December Weather | 4°C (39°F) | 110 mm (4.3 inches) | 87% | moderate |