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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 18°C (64°F). Expect a minimum chill of 1°C (34°F) and the possibility of reaching a warm 33°C (92°F). Be prepared for 114 mm (4.5 in) of rainfall spread over 14 days, contributing to an average humidity level of 72%.

June Temperature in Londonderry

In June in Londonderry, the average temperature is 18°C (64°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop as low as 1°C (34°F). Be prepared for a range of temperatures, making it an ideal time for exploring the great outdoors.

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 18°C (64°F), with highs reaching up to 33°C (92°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec212430435564696760493425
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 total precipitation amount is 114 mm (4.5 in) over the course of 14 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 114 mm (4.5 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec78917813110311416312095157107105
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 18°C (64°F), this humidity feels like a warm, sticky embrace, making travel somewhat uncomfortable as the air clings to your skin, leaving you longing for a refreshing breeze.

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.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%84%76%72%67%64%72%81%87%85%
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.
JanFebMarAprMayJunJulAugSepOctNovDec34681010997632
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-6°C (21°F)78 mm (3.1 inches)89%moderate
February Weather-5°C (24°F)91 mm (3.6 inches)88%moderate
March Weather-1°C (31°F)78 mm (3.1 inches)86%high
April Weather6°C (43°F)131 mm (5.2 inches)84%very high
May Weather13°C (55°F)103 mm (4.0 inches)76%very high
June Weather18°C (64°F)114 mm (4.5 inches)72%very high
July Weather21°C (69°F)163 mm (6.4 inches)66%very high
August Weather20°C (67°F)120 mm (4.7 inches)64%very high
September Weather16°C (61°F)95 mm (3.7 inches)72%high
October Weather9°C (49°F)157 mm (6.2 inches)81%high
November Weather1°C (35°F)107 mm (4.2 inches)87%moderate
December Weather-4°C (26°F)105 mm (4.1 inches)84%low

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