Last updated: June 24, 2025
In June, the average temperature in Swansea, United States is a warm 26°C (79°F). Expect fluctuations from a cool minimum of 13°C (55°F) to a sizzling maximum of 38°C (101°F). During this month, anticipate about 121 mm (4.8 in) of precipitation spread over 14 days, with an average humidity level of 75%. Enjoy the unique climate of the season!
In June in Swansea, the average temperature is 26°C (79°F). Maximums can reach 38°C (101°F) and minimums can be as low as 13°C (55°F). This makes it an ideal time for travelers seeking warm weather while also being prepared for cooler evenings.
In Swansea in June, the precipitation amount is 121 mm (4.8 in) over a span of 14 days.
In Swansea in June, humidity is 75%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket wrapped around you, making traveling a sticky experience where every step requires extra effort and frequent breaks to cool off.
In Swansea in June, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Swansea.
UV Risk Categories
Weather in Swansea varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Swansea, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 9°C (49°F) | 83 mm (3.3 inches) | 86% | moderate |
February Weather | 12°C (54°F) | 100 mm (3.9 inches) | 81% | high |
March Weather | 15°C (58°F) | 76 mm (3.0 inches) | 81% | very high |
April Weather | 19°C (66°F) | 112 mm (4.4 inches) | 79% | very high |
May Weather | 23°C (74°F) | 105 mm (4.2 inches) | 75% | extreme |
June Weather | 26°C (79°F) | 121 mm (4.8 inches) | 75% | extreme |
July Weather | 27°C (82°F) | 154 mm (6.1 inches) | 80% | extreme |
August Weather | 27°C (81°F) | 141 mm (5.6 inches) | 81% | extreme |
September Weather | 25°C (77°F) | 98 mm (3.9 inches) | 83% | very high |
October Weather | 20°C (69°F) | 71 mm (2.8 inches) | 78% | very high |
November Weather | 13°C (55°F) | 61 mm (2.4 inches) | 85% | high |
December Weather | 10°C (51°F) | 129 mm (5.1 inches) | 87% | moderate |