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June Weather in Frederick, United States

Last updated: June 24, 2025

In June, the average temperature in Frederick, United States hovers around 20°C (69°F), creating a delightful climate. However, be prepared for a range, as temperatures can dip to a chilly 6°C (42°F) or soar up to a scorching 38°C (100°F). During this month, expect about 46 mm (1.8 in) of precipitation spread over 9 days, with an average humidity level of 58%.

June Temperature in Frederick

In June in Frederick, the average temperature is 20°C (69°F). Maximum temperatures can reach 38°C (100°F), while minimums can drop to as low as 6°C (42°F). Be prepared for a mix of warm days and cooler nights when planning your travel.

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

The chart illustrates June temperature patterns in Frederick, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Frederick, June typically has an average temperature of 20°C (69°F), with highs reaching up to 38°C (100°F) and lows dropping to around 6°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec302940485669747266494033
Data source: Temperature data for Frederick 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 Frederick

In Frederick in June, the precipitation amount is 46 mm (1.8 in) over the course of 9 days.

June Precipitation Trends in Frederick

The chart displays monthly precipitation patterns in Frederick, 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 Frederick, June typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec2127555610946354128372414
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Frederick

In Frederick in June humidity is 58%. With an average temperature of 20°C (69°F), this humidity feels like a refreshing balmy embrace, making it quite pleasant for traveling as long as you stay hydrated and take occasional breaks in the shade.

June Average Humidity in Frederick

This chart illustrates the average monthly humidity levels in Frederick, 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 Frederick is approximately 58%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%81%76%67%58%52%56%65%76%82%89%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Frederick

In Frederick in June, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Frederick.

Maximum UV Index Levels in Frederick for June

The chart shows the monthly maximum UV Index (UVI) for Frederick 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 Frederick typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469111112121110754
Data source: Frederick 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 Frederick Compares to Other Months

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

This table compares monthly weather conditions in Frederick, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)21 mm (0.8 inches)88%moderate
February Weather-2°C (30°F)27 mm (1.1 inches)87%high
March Weather4°C (40°F)55 mm (2.2 inches)81%very high
April Weather9°C (48°F)56 mm (2.2 inches)76%extreme
May Weather13°C (56°F)109 mm (4.3 inches)66%extreme
June Weather20°C (69°F)46 mm (1.8 inches)58%extreme
July Weather23°C (74°F)35 mm (1.4 inches)52%extreme
August Weather22°C (73°F)41 mm (1.6 inches)56%extreme
September Weather19°C (66°F)28 mm (1.1 inches)65%very high
October Weather9°C (49°F)37 mm (1.5 inches)76%high
November Weather5°C (40°F)24 mm (0.9 inches)82%moderate
December Weather0°C (33°F)14 mm (0.6 inches)89%moderate

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