Waterville (ME) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Waterville.
Climate overview of Waterville
Waterville, Maine, United States of America, sees big temperature differences between seasons, with July peaking at 27°C (81°F) and January dropping to -1°C (30°F).
With around 1178 mm (46 in) of annual rain/snowfall, Waterville has a notably wet climate. However, this rain/snowfall is not evenly distributed — the city has warm summers and very cold winters. The wettest month is October.
Waterville Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Waterville - and find the best time to visit.
Monthly Temperature in Waterville
Visitors to Waterville can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 27°C (81°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -1°C (30°F).
At night, temperatures range from around 15°C (59°F) in July to -12°C (10°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Waterville
Waterville is known for its substantial rain/snowfall, with annual precipitation reaching 1178 mm (46 in). Waterville experiences moderate seasonal variation in rainfall, with monthly averages ranging from 135 mm (5.3 in) in October, the wettest month, and 70 mm (2.8 in) in February, the driest month. For more details, please visit our Waterville Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Waterville
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July and September
- Warmest weather: July and August
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -12°C (10°F).
Frequently asked questions about the climate in Waterville
What is the best time to visit Waterville?
July and September typically offer the most optimal weather in Waterville. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Waterville has warm summers and very cold winters.
What temperatures can I expect in Waterville?
Daytime highs range from -1°C (30°F) in January to 27°C (81°F) in July. Nighttime lows range from -12°C (10°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Waterville get?
Annual rainfall is around 1178 mm (46 in). October is the wettest month with 135 mm (5.3 in), while February is the driest with 70 mm (2.8 in).
Waterville 3-Day Forecast
Waterville (ME) 3-Day Forecast
Waterville on the map
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