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June Weather in Harrisburg, United States

Last updated: June 24, 2025

In June, the average temperature in Harrisburg, United States is a pleasant 17°C (62°F). However, be prepared for a wide range of temperatures, with a minimum of 4°C (40°F) and soaring to a maximum of 42°C (109°F). During this month, you can expect about 48 mm (1.9 in) of precipitation spread over 6 days, with an average humidity level of 83%.

June Temperature in Harrisburg

In June in Harrisburg, the average temperature is 17°C (62°F). The maximum can reach 42°C (109°F), while the minimum can be as low as 4°C (40°F). Be prepared for a wide range of temperatures and pack accordingly for your trip to Harrisburg.

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

The chart illustrates June temperature patterns in Harrisburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harrisburg, June typically has an average temperature of 17°C (62°F), with highs reaching up to 42°C (109°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec414145505662686963534641
Data source: Temperature data for Harrisburg 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 Harrisburg

In Harrisburg in June, the precipitation amount is 48 mm (1.9 in) distributed over 6 days.

June Precipitation Trends in Harrisburg

The chart displays monthly precipitation patterns in Harrisburg, 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 Harrisburg, June typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec1601921401256448367191143195
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Harrisburg

In Harrisburg in June, humidity is 83%. With an average temperature of 17°C (62°F), this humidity feels like traveling through a thick blanket of warmth, making every step feel heavy and inviting frequent breaks to cool down and hydrate.

June Average Humidity in Harrisburg

This chart illustrates the average monthly humidity levels in Harrisburg, 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 Harrisburg is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%85%83%83%84%82%74%71%81%87%87%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Harrisburg

In Harrisburg 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 Harrisburg.

Maximum UV Index Levels in Harrisburg for June

The chart shows the monthly maximum UV Index (UVI) for Harrisburg 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 Harrisburg typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246710101098532
Data source: Harrisburg 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 Harrisburg Compares to Other Months

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

This table compares monthly weather conditions in Harrisburg, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)160 mm (6.3 inches)85%low
February Weather5°C (41°F)192 mm (7.5 inches)84%moderate
March Weather7°C (45°F)140 mm (5.5 inches)85%high
April Weather10°C (50°F)125 mm (4.9 inches)83%high
May Weather13°C (56°F)64 mm (2.5 inches)83%very high
June Weather17°C (62°F)48 mm (1.9 inches)83%very high
July Weather20°C (68°F)2 mm (0.1 inches)82%very high
August Weather20°C (69°F)6 mm (0.2 inches)74%very high
September Weather17°C (63°F)71 mm (2.8 inches)71%very high
October Weather11°C (53°F)91 mm (3.6 inches)81%moderate
November Weather8°C (46°F)143 mm (5.6 inches)87%moderate
December Weather5°C (41°F)195 mm (7.7 inches)87%low

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