By May, daytime temperatures are warming noticeably, although evenings still require a sweater. The frequency of precipitation has dropped off dramatically.
Humidity can be as low as the single digits.
June is also the driest month of the year. Summer Early summer brings a continuation of very warm, dry weather. But gradually, clouds begin to build in the afternoons. Temperatures that have soared to the 90s at noon can plummet to the 70s by late afternoon after a storm. The rainy season has ended by early Fall, ushering in pleasantly warm days and crisp nights.