Gardiner (MT) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Gardiner.
Climate overview of Gardiner
Temperatures in Gardiner, Montana, United States of America, vary greatly throughout the year. July is the hottest month at 29°C (84°F), while December is the coldest at -1°C (30°F).
The city has a relatively dry climate, receiving around 331 mm (13 in) of rain/snowfall per year. It does experience very little rainfall for most of the year, with warm summers and very cold winters. May is the wettest month and February the driest.
Gardiner Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Gardiner - and find the best time to visit.
Monthly Temperature in Gardiner
The climate in Gardiner is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 29°C (84°F) in July to a very cold -1°C (30°F) in December.
Nighttime temperatures range from 11°C (52°F) in July to -10°C (14°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Gardiner
Gardiner maintains relatively dry conditions year-round, recording average annual precipitation of 331 mm (13 in). The seasons in Gardiner bring significant changes in precipitation. The wettest month, May, receives moderate rainfall, with an average of 43 mm (1.7 in) of precipitation. This rainfall is distributed across 15 rainy days.
In contrast, the driest month, February, experiences much less snowfall, totaling 16 mm (0.6 in) over 13 snowy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Gardiner 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 Gardiner
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August and September
- Warmest weather: July and August
- Fewest rainy days: July, August and September
- Seasonal pattern: Very little rainfall for most of the year, with warm summers and very cold winters
- Coldest conditions: December, with freezing nights around -10°C (14°F).
Frequently asked questions about the climate in Gardiner
What is the best time to visit Gardiner?
June, July, August and September typically offer the most optimal weather in Gardiner. In contrast, January, February, November and December tend to have less optimal conditions. Gardiner has very little rainfall for most of the year, with warm summers and very cold winters.
What temperatures can I expect in Gardiner?
Daytime highs range from -1°C (30°F) in December to 29°C (84°F) in July. Nighttime lows range from -10°C (14°F) to 11°C (52°F). Temperatures vary considerably through the year.
How much rain does Gardiner get?
Annual rainfall is around 331 mm (13 in). May is the wettest month with 43 mm (1.7 in), while February is the driest with 16 mm (0.6 in).
Gardiner 3-Day Forecast
Gardiner (MT) 3-Day Forecast
Gardiner on the map
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