Complete 2013 Long-Range Weather Forecast for the Intermountain Region, November 2012 to October 2013 includes week-by-week details.
Free 2-Month Weather Forecast
MAY 2013: temperature 57° (avg.); precipitation 1" (avg.); May 1-3: Sunny, warm; May 4-12: Showers, then sunny, warm; May 13-20: Scattered showers, cool north; sunny, warm south; May 21-24: Sunny; cool north, warm south; May 25-31: Showers north, sunny south; warm.
JUNE 2013: temperature 66.5° (2° above avg. north, 1° below south); precipitation 0.2" (0.3" below avg.); Jun 1-7: Showers, then sunny, cool; Jun 8-11: Sunny, hot; Jun 12-18: Scattered t-storms, warm; Jun 19-30: Sunny; cool, then hot.
Annual Weather Summary: November 2012 to October 2013
Winter temperatures will be above normal in the north and slightly below normal in the south, with the coldest periods in early to mid-December, late December, and mid- to late January. Precipitation will be below normal in the north and above normal in the south. Snowfall will be above normal in northern Utah and southwest Wyoming and below normal elsewhere. The snowiest periods will occur in mid- to late November, early to mid-December, mid- to late January, and early and mid-March.
April and May will be cooler and drier than normal.
Summer will be cooler than normal, especially in the south, with the hottest periods in late June, early July, and mid- to late July. Rainfall will be slightly above normal in the north and slightly below in the south.
September and October will be cooler than normal, with rainfall above normal in the north and below in the south.