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June Weather in Londonderry, United States

Last updated: June 24, 2025

In June, the average temperature in Londonderry, United States hovers around 20°C (69°F). However, temperatures can range from a cool 5°C (41°F) to a sweltering 38°C (100°F). Expect about 89 mm (3.5 in) of precipitation over 11 days, contributing to an average humidity of 72%. Prepare accordingly for a mix of warm and damp conditions!

June Temperature in Londonderry

In June in Londonderry, the average temperature is 20°C (69°F). Maximum temperatures can reach 38°C (100°F), while the minimum can be as low as 5°C (41°F). This variation makes Londonderry a great destination for travelers looking to enjoy a mix of warm days and cooler evenings.

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

The chart illustrates June temperature patterns in Londonderry, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Londonderry, 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 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec293137485969747366554132
Data source: Temperature data for Londonderry 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 Londonderry

In Londonderry in June, the precipitation amount is 89 mm (3.5 in) over a span of 11 days.

June Precipitation Trends in Londonderry

The chart displays monthly precipitation patterns in Londonderry, 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 Londonderry, June typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec6884851278289131777312895121
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Londonderry

In Londonderry in June humidity is 72%. With an average temperature of 20°C (69°F), this humidity feels like a warm, almost tropical embrace, making it perfect for leisurely strolls but challenging for those unaccustomed to the moist air.

June Average Humidity in Londonderry

This chart illustrates the average monthly humidity levels in Londonderry, 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 Londonderry is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Londonderry

In Londonderry 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 Londonderry.

Maximum UV Index Levels in Londonderry for June

The chart shows the monthly maximum UV Index (UVI) for Londonderry 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 Londonderry typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2558910997632
Data source: Londonderry 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 Londonderry Compares to Other Months

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

This table compares monthly weather conditions in Londonderry, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)68 mm (2.7 inches)86%low
February Weather0°C (32°F)84 mm (3.3 inches)84%moderate
March Weather3°C (37°F)85 mm (3.3 inches)82%moderate
April Weather9°C (48°F)127 mm (5.0 inches)80%very high
May Weather15°C (59°F)82 mm (3.2 inches)72%very high
June Weather20°C (69°F)89 mm (3.5 inches)72%very high
July Weather23°C (74°F)131 mm (5.2 inches)67%very high
August Weather23°C (74°F)77 mm (3.0 inches)66%very high
September Weather19°C (66°F)73 mm (2.9 inches)71%high
October Weather13°C (55°F)128 mm (5.0 inches)78%high
November Weather5°C (42°F)95 mm (3.7 inches)84%moderate
December Weather0°C (32°F)121 mm (4.8 inches)81%low

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