July weather forecast
Maine, USA

July stands as the zenith of summer in Maine, offering the warmest temperatures the state sees throughout the year. Nighttimes are comfortably mild, usually settling in the lower 60s°F. Daytime temperatures, on the other hand, consistently ascend into the upper 70s°F to lower 80s°F, though occasional heatwaves might push these figures slightly higher.

While coastal zones such as Ogunquit and Castine experience tempered warmth due to the adjacent Atlantic, they're still bathed in the joyous warmth of summer. Inland locales, encompassing places like Skowhegan and Fort Kent, might observe hotter days. These interior regions can, at times, experience temperatures that touch the mid or upper 80s°F, especially during pronounced heatwaves.

July's brilliance lies not just in its temperature but also in its clear skies and ample sunlight. The state sees extended daylight hours, allowing for prolonged outdoor activities, whether it's sailing, hiking, or simply enjoying a picnic by the lakeside. The beaches become a hub of activity, with both locals and tourists flocking to the shores, though the Atlantic waters can still retain a refreshing chill.

While July is predominantly sunny, it's not devoid of occasional thunderstorms. These brief periods of rain, often accompanied by lightning, provide a dramatic contrast to the otherwise placid summer days. However, they're usually short-lived, paving the way for clear skies soon after.

Drawing closer to August, Maine sustains its summer allure. The transition brings subtle changes, with nights becoming a tad cooler, but the quintessential summer warmth and vibrant outdoor life remain ever-present.

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• Portland - July »
  July is the warmest month of the year in Portland, registering average temperatures as high as 72.5°F (22.5°C) and as low as 62.2°F (16.8°C). July is Portland's warmest month, registering average high temperatures of 72.5°F (22.5°C) and lows of 62.2°F (16.8°C).
• Lewiston - July »
  In Lewiston during July, the rain falls for 12.7 days and regularly aggregates up to 1.1" (28mm) of precipitation. In Lewiston the average temperatures in July are the highest, with a peak at 77.5°F (25.3°C) and a low of 57.7°F (14.3°C).
• Bangor - July »
  July exhibits the towering phase of summer's warmth marking it as the hottest month in Bangor with average high temperatures soaring to a 77.2°F (25.1°C) peak. July is the month when Bangor experiences its warmest temperatures, averaging a high of 77.2°F (25.1°C) and a low of 57°F (13.9°C).
• South Portland - July »
  On the first day of July in South Portland sunrise is at 5:03 am and sunset at 8:26 pm. June and July, with an average relative humidity of 82%, are most humid months in South Portland.
• Auburn - July »
  July, characterized by an average high temperature of 77.5°F (25.3°C) and a low temperature of 57.7°F (14.3°C), is generally the warmest month in Auburn. The month with the highest UV index in Auburn is July, with an average maximum UV index of 6.
• Biddeford - July »
  The months with the highest humidity in Biddeford are June and July, with an average relative humidity of 82%. The months with the highest humidity in Biddeford are June and July, with an average relative humidity of 82%.
• Sanford - July »
  In Sanford in July, during 12.6 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. On the last day of July, in Sanford, sunrise is at 5:32 am and sunset at 8:06 pm EDT.
• Brunswick - July »
  The months with the highest humidity in Brunswick are June and July, with an average relative humidity of 82%. The months with the highest humidity in Brunswick are June and July, with an average relative humidity of 82%.
• Scarborough - July »
  In Scarborough during July, the rain falls for 13.8 days and regularly aggregates up to 1.42" (36mm) of precipitation. Scarborough's transition into July sees a mild rise in the average high-temperature, edging from a comfortable 66.7°F (19.3°C) in June to a moderately hot 73.8°F (23.2°C).
• Saco - July »
  The months with the highest humidity in Saco are June and July, with an average relative humidity of 82%. Saco reaches its highest average temperatures in July, measuring 74.5°F (23.6°C) at the peak and 61.2°F (16.2°C) at the lowest.
• Augusta - July »
  July, the warmest month in Augusta experiences temperatures reaching 76.6°F (24.8°C), inviting locals and tourists alike to enjoy the clear, often sun-filled skies. In Augusta, in July, during 14.4 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.
• Westbrook - July »
  In Westbrook during July, the rain falls for 13.8 days and regularly aggregates up to 1.42" (36mm) of precipitation. July temperatures in Westbrook, Maine, vary between a high-temperature of 73.8°F (23.2°C) and a low-temperature of 61.3°F (16.3°C).