The climate in Frederick is characterized by mild to moderate temperatures throughout the year with low humidity. The area's hydrology constituents include the St. Vrain Creek, which runs through the town, and the Boulder Creek watershed, both of which provide critical water resources to the region. As for outdoor recreation opportunities, residents and visitors can take advantage of several parks in the area, including the Frederick Recreation Area and Centennial Park. Additionally, Frederick is located near the Rocky Mountains, providing ample opportunities for hiking, skiing, and other outdoor activities.
Frederick receives approximately 342mm of rain per year, with humidity levels near 50% and air temperatures averaging around 10°C. Frederick has a plant hardyness factor of 5, meaning plants and agriculture in this region thrive during a short period during spring and early summer. Most plants will die off during the colder winter months.
| Location | Reservations | Toilets |
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St. Vrain State Park
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Union Reservoir
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Boulder County Fairground
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