Bath (ME) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Bath.
Climate overview of Bath
Temperatures in Bath, Maine, United States of America, vary greatly throughout the year. July is the hottest month at 26°C (79°F), while January is the coldest at 0°C (32°F).
The city has a wet climate, receiving around 1318 mm (52 in) of rain/snowfall per year. Despite the high annual total, it has warm summers and very cold winters. June is the wettest month. July is the sunniest month, averaging 9.3 hours of sunshine per day.
Bath Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Bath - and find the best time to visit.
Monthly Temperature in Bath
The climate in Bath is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 26°C (79°F) in July to a very cold 0°C (32°F) in January.
Nighttime temperatures range from 15°C (59°F) in July to -11°C (12°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Bath
Bath has a notably wet climate with abundant precipitation, recording 1318 mm (52 in) of rain/snowfall per year. The amount of precipitation varies moderately throughout the year. The wettest month, June, sees around 146 mm (5.7 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, January, still receives a respectable 88 mm (3.5 in) of snowfall. For more details, please visit our Bath Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Bath
In Bath, summer days are longer and more sunny, with daily sunshine hours peaking at 9.3 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.7 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Bath by Month
The relative humidity is high throughout the year in Bath.
The city experiences its highest humidity in September, reaching 77%. In February, the humidity drops to its lowest level at 65%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Bath
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: August and September
- Warmest weather: July and August
- Most sunshine: July and August
- Fewer rainy days: February, March, August, September and November
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -11°C (12°F).
Frequently asked questions about the climate in Bath
What is the best time to visit Bath?
August and September typically offer the most optimal weather in Bath. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Bath has warm summers and very cold winters.
What temperatures can I expect in Bath?
Daytime highs range from 0°C (32°F) in January to 26°C (79°F) in July. Nighttime lows range from -11°C (12°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Bath get?
Annual rainfall is around 1318 mm (52 in). June is the wettest month with 146 mm (5.7 in), while January is the driest with 88 mm (3.5 in).
How sunny is Bath?
Bath receives around 2,497 hours of sunshine per year. July is the sunniest month with 278 hours, while December is the cloudiest with just 140 hours. Overall, Bath enjoys abundant sunshine.
Bath 3-Day Forecast
Bath on the map
Bath is highlighted - select any city to see its climate.
Popular this month
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