Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Hamilton (MT) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Hamilton.
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10-day forecastForecast
Climate overview of Hamilton
Hamilton, Montana, United States of America, sees big temperature differences between seasons, with July peaking at 31°C (88°F) and December dropping to 2°C (36°F).
With around 320 mm (13 in) of annual rain/snowfall, Hamilton has a fairly dry climate. However, it has very little rainfall year-round, with very warm summers and very cold winters. The wettest month is November, while July sees the least rain.
Hamilton Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hamilton - and find the best time to visit.
Monthly Temperature in Hamilton
Visitors to Hamilton can expect significant temperature changes throughout the year. Average daytime temperatures reach a very warm 31°C (88°F) in July. In December, the coolest month of the year, temperatures drop to a very cold 2°C (36°F).
At night, temperatures range from around 10°C (50°F) in July to -8°C (18°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Hamilton
Hamilton tends toward drier weather patterns, receiving approximately 320 mm (13 in) of rain/snow per year. Hamilton experiences moderate seasonal variation in snowfall, with monthly averages ranging from 38 mm (1.5 in) in November, the wettest month, and 18 mm (0.7 in) in July, the driest month. For more details, please visit our Hamilton 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 Hamilton
The most comfortable overall weather for exploring Hamilton is usually found in June, August and September. Conditions are generally least comfortable in January, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
mixed
Mar
good
Apr
very good
May
very good
Jun
excellent
Jul
very good
Aug
excellent
Sep
excellent
Oct
very good
Nov
cold
Dec
cold
- Best overall: June, August and September
- Warmest weather: July and August
- Fewest rainy days: July, August and September
- Seasonal pattern: Very little rainfall year-round, with very warm summers and very cold winters
- Coldest conditions: December, with freezing nights around -8°C (18°F).
Frequently asked questions about the climate in Hamilton
What is the best time to visit Hamilton?
June, August and September typically offer the most optimal weather in Hamilton. In contrast, January, November and December tend to have less optimal conditions. Hamilton has very little rainfall year-round, with very warm summers and very cold winters.
What temperatures can I expect in Hamilton?
Daytime highs range from 2°C (36°F) in December to 31°C (88°F) in July. Nighttime lows range from -8°C (18°F) to 10°C (50°F). Temperatures vary considerably through the year.
How much rain does Hamilton get?
Annual rainfall is around 320 mm (13 in). November is the wettest month with 38 mm (1.5 in), while July is the driest with 18 mm (0.7 in). In the coldest months, precipitation may fall as snow.
Hamilton 3-Day Forecast
Hamilton on the map
Hamilton is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
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