Also, before you use a nasal steroid spray to treat your allergies, doctors suggest you first use a saline nasal spray to cleanse the nose and rid it of thick mucus and debris. Thick mucus can keep the nasal steroid spray from coating the nasal mucosa, where itâs most effective.
Olympia: Annual Weather Averages. August is the hottest month in Olympia with an average temperature of 25Â°C (77Â°F) and the coldest is January at 10Â°C (50Â°F) with the most daily sunshine hours at 13 in July. The wettest month is December with an average of 148mm of rain.
CLIMATE OVERVIEW. Olympia, Washington, gets 48 inches of rain per year. The US average is 39. Snowfall is 8 inches. The average US city gets 26 inches of snow per year. The number of days with any measurable precipitation is 111. On average, there are 136 sunny days per year in Olympia, Washington. The July high is around 76 degrees. The January low is 34. Sperling's comfort index for Olympia is a 75 out of 100, where a higher score indicates a more comfortable year-around climate. The US average for the comfort index is 54.