What is Still's disease? Still's disease, a disorder featuring inflammation, is characterized by high spiking fevers, salmon-colored rash that comes and goes, and arthritis. Still's disease is also referred to as systemic-onset juvenile idiopathic arthritis.
The result is hot conditions for Penticton, BC and the rest of the Okanagan. Here are some historic Penticton weather facts for you. Summer temperatures, which include the months of June, July and August average in the high 20Â°C (low 80Â°Fahrenheit) range.
Evenings are cool, and July and August are considered perfect by most. In late fall the weather is much cooler and winter conditions can be snowy and much colder. Across the southern reaches of the Snake River Plain summer high temperatures average near 75 degrees, while winter highs are in the low-40s. The average annual rainfall here approaches 26 inches.