Last updated: June 24, 2025
In Lewisville, United States, the average temperature in June is a pleasant 17°C (63°F). However, be prepared for some variability, with minimums dropping to 6°C (44°F) and maximums soaring up to 44°C (112°F). Expect 75 mm (3.0 in) of precipitation spread across about 9 days, along with an average humidity level of 83%. Pack accordingly for a mix of comfortable warmth and refreshing rain!
In June in Lewisville, the average temperature is 17°C (63°F). Maximum temperatures can reach 44°C (112°F), while minimums can drop as low as 6°C (44°F). Overall, travelers should be prepared for a wide range of temperatures and pack accordingly for both warm days and cooler nights.
In Lewisville in June, the precipitation amount is 75 mm (3.0 in) distributed over 9 days.
In Lewisville in June humidity is 83%. With an average temperature of 17°C (63°F), this humidity feels like a warm, sticky embrace that can make traveling uncomfortable, as the air clings to the skin and creates a heavy atmosphere, often leading to fatigue and a longing for the cooling relief of shade or air conditioning.
In Lewisville in June, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Lewisville.
UV Risk Categories
Weather in Lewisville varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Lewisville, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 246 mm (9.7 inches) | 85% | low |
| February Weather | 4°C (40°F) | 260 mm (10.2 inches) | 84% | moderate |
| March Weather | 7°C (45°F) | 189 mm (7.4 inches) | 85% | moderate |
| April Weather | 10°C (50°F) | 166 mm (6.5 inches) | 83% | high |
| May Weather | 14°C (57°F) | 86 mm (3.4 inches) | 83% | very high |
| June Weather | 17°C (63°F) | 75 mm (3.0 inches) | 83% | very high |
| July Weather | 20°C (68°F) | 10 mm (0.4 inches) | 82% | very high |
| August Weather | 20°C (69°F) | 13 mm (0.5 inches) | 74% | very high |
| September Weather | 17°C (63°F) | 111 mm (4.4 inches) | 71% | high |
| October Weather | 11°C (52°F) | 199 mm (7.8 inches) | 81% | moderate |
| November Weather | 7°C (46°F) | 260 mm (10.2 inches) | 87% | moderate |
| December Weather | 5°C (40°F) | 273 mm (10.7 inches) | 87% | low |