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June Weather in Grafton, United States

Last updated: June 24, 2025

In Grafton, United States, the average temperature in June hovers around 25°C (76°F), offering a pleasant climate. However, it can swing from a cool minimum of 12°C (53°F) to a steamy maximum of 36°C (97°F). Prepare for some rain, as 93 mm (3.6 in) of precipitation typically falls over 10 days, and you can expect an average humidity level of 83%. Enjoy the diverse weather while exploring the beauty of this destination!

June Temperature in Grafton

In June, in Grafton, the average temperature is 25°C (76°F). The maximum can reach 36°C (97°F) and the minimum can be as low as 12°C (53°F). This makes it an ideal time for travel, offering warm days and cooler evenings for outdoor exploration.

June Weather in Grafton: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Grafton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grafton, June typically has an average temperature of 25°C (76°F), with highs reaching up to 36°C (97°F) and lows dropping to around 12°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec313446546776797672584438
Data source: Temperature data for Grafton generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

June Precipitation in Grafton

In Grafton in June, the precipitation amount is 93 mm (3.6 in) over the course of 10 days.

June Precipitation Trends in Grafton

The chart displays monthly precipitation patterns in Grafton, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Grafton, June typically receives around 93 mm (3.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec70771311191479394123661006651
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Grafton

In Grafton in June humidity is 83%. With an average temperature of 25°C (76°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities a bit more challenging and prompting frequent breaks for hydration.

June Average Humidity in Grafton

This chart illustrates the average monthly humidity levels in Grafton, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Grafton is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Grafton

In Grafton 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 Grafton.

Maximum UV Index Levels in Grafton for June

The chart shows the monthly maximum UV Index (UVI) for Grafton in June, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In June, the maximum UV index in Grafton typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111199643
Data source: Grafton June UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How June Weather in Grafton Compares to Other Months

Weather in Grafton varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Grafton, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Grafton, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)70 mm (2.8 inches)82%moderate
February Weather1°C (34°F)77 mm (3.0 inches)80%moderate
March Weather8°C (46°F)131 mm (5.1 inches)80%high
April Weather12°C (55°F)119 mm (4.7 inches)80%very high
May Weather19°C (67°F)147 mm (5.8 inches)82%very high
June Weather25°C (76°F)93 mm (3.6 inches)83%extreme
July Weather26°C (79°F)94 mm (3.7 inches)81%extreme
August Weather24°C (76°F)123 mm (4.9 inches)80%very high
September Weather22°C (72°F)66 mm (2.6 inches)76%very high
October Weather15°C (59°F)100 mm (3.9 inches)76%high
November Weather6°C (44°F)66 mm (2.6 inches)85%moderate
December Weather3°C (38°F)51 mm (2.0 inches)86%moderate

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