Mohler, Washington is a small town located in the eastern region of the state. The climate in Mohler is characterized by hot, dry summers and cold, snowy winters. Summers typically see high temperatures reaching into the 90s°F, while winters often drop below freezing, with snowfall being common.

Water in Mohler is primarily sourced from groundwater wells. Hydrology constituents in the area include a mix of both agricultural and residential water usage. Agriculture is a prevalent industry, with crops like wheat, barley, and corn being grown in the surrounding farmlands. As a result, irrigation practices are essential for maintaining crop yields.

While Mohler is a small town, it offers various outdoor recreation opportunities. The area is surrounded by beautiful natural landscapes and is close to the Columbia River. Outdoor enthusiasts can enjoy activities such as fishing, boating, and hiking. The nearby state parks and wildlife areas provide opportunities for camping, birdwatching, and wildlife observation. Additionally, the town's location in the Palouse region offers picturesque views with rolling hills and vibrant fields, making it a popular destination for photography and scenic drives.