Last updated: June 24, 2025
In June, the average temperature in Mercer, United States is a pleasant 20°C (68°F). However, be prepared for a temperature range that can dip to 4°C (40°F) and soar up to 33°C (91°F). You'll also want to consider the weather, as 140 mm (5.5 in) of precipitation is expected over 15 days, coupled with an average humidity of 83%. Plan accordingly to make the most of your visit!
In June in Mercer, the average temperature is 20°C (68°F). Maximums can reach 33°C (91°F) and minimums can be as low as 4°C (40°F). Be prepared for a range of temperatures to make the most of your travel experience.
In Mercer in June, the total precipitation amount is 140 mm (5.5 in) over a span of 15 days.
In Mercer in June humidity is 83%. With an average temperature of 20°C (68°F), this humidity feels like a warm, heavy blanket enveloping you, making it feel much warmer than it is. Traveling in such conditions can be quite taxing, as the air feels thick, often leading to a sense of exhaustion and requiring frequent breaks to seek shade or hydration.
In Mercer in June, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Mercer.
UV Risk Categories
Weather in Mercer varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Mercer, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (28°F) | 101 mm (4.0 inches) | 88% | moderate |
| February Weather | 0°C (32°F) | 110 mm (4.3 inches) | 88% | moderate |
| March Weather | 4°C (39°F) | 115 mm (4.5 inches) | 87% | high |
| April Weather | 9°C (49°F) | 144 mm (5.7 inches) | 87% | very high |
| May Weather | 16°C (60°F) | 149 mm (5.9 inches) | 81% | very high |
| June Weather | 20°C (68°F) | 140 mm (5.5 inches) | 83% | very high |
| July Weather | 23°C (73°F) | 146 mm (5.8 inches) | 82% | very high |
| August Weather | 21°C (71°F) | 105 mm (4.1 inches) | 76% | very high |
| September Weather | 19°C (66°F) | 113 mm (4.4 inches) | 77% | very high |
| October Weather | 13°C (55°F) | 127 mm (5.0 inches) | 82% | high |
| November Weather | 4°C (40°F) | 109 mm (4.3 inches) | 89% | moderate |
| December Weather | 1°C (34°F) | 106 mm (4.2 inches) | 86% | low |