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.
Island Park (ID) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Island Park.
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Climate overview of Island Park
The climate in Island Park, Idaho, United States of America, is marked by large temperature swings across the seasons, ranging from 27°C (81°F) in July to -2°C (28°F) in December.
The city receives around 684 mm (27 in) of rain/snowfall per year. It experiences a distinct dry season from July to August, with warm summers and very cold winters. December is the wettest month and July the driest.
Island Park Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Island Park - and find the best time to visit.
Monthly Temperature in Island Park
In Island Park, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 27°C (81°F) in July to a very cold -2°C (28°F) in December.
Nighttime temperatures range from 7°C (45°F) in July to -15°C (5°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Island Park
On average, Island Park receives a reasonable amount of rain/snowfall, with an annual precipitation of 684 mm (27 in). The seasons in Island Park bring significant changes in precipitation. The wettest month, December, receives high snowfall, with an average of 104 mm (4.1 in) of precipitation. This snowfall is distributed across 15 snowy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 22 mm (0.9 in) over 6 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Island Park 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 Island Park
The most comfortable overall weather for exploring Island Park is usually found in June, July, August and September. Conditions are generally least comfortable in January, February, March, April, 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
very cold
Feb
cold
Mar
cold
Apr
cold
May
good
Jun
excellent
Jul
excellent
Aug
excellent
Sep
excellent
Oct
mixed
Nov
cold
Dec
very cold
- Best overall: June, July, August and September
- Warmest weather: July and August
- Fewest rainy days: June, July, August and September
- Wettest months: January, November and December, when rainfall is highest.
- Seasonal pattern: A distinct dry season from July to August, with warm summers and very cold winters
- Coldest conditions: December, with freezing nights around -15°C (5°F).
Frequently asked questions about the climate in Island Park
What is the best time to visit Island Park?
June, July, August and September typically offer the most optimal weather in Island Park. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Island Park has a distinct dry season from July to August, with warm summers and very cold winters.
What temperatures can I expect in Island Park?
Daytime highs range from -2°C (28°F) in December to 27°C (81°F) in July. Nighttime lows range from -15°C (5°F) to 7°C (45°F). Temperatures vary considerably through the year.
How much rain does Island Park get?
Annual rainfall is around 684 mm (27 in). December is the wettest month with 104 mm (4.1 in), while July is the driest with 22 mm (0.9 in). In the coldest months, precipitation may fall as snow.
Island Park 3-Day Forecast
Island Park on the map
Island Park is highlighted - select any city to see its climate.
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