Year-to-date readings also close to average
FRISCO — The average temperature across the U.S. was 1 degree Fahrenheit above the 20th century average, making it the 32d-warmest May on record, according to the latest report from NOAA’s National Climatic Data Center. Both the East and West coasts were warmer than average during May, while much of the central U.S. had near-average temperatures.
For the spring season (March- May), the average temperature was 0.2 degrees above the 20th century average, ranking the season near the middle of the pack for the 120-year period of record.
Most of the U.S. reported near average temperatures in May, with the warmest readings along the West Coast, especially in California, which experienced is ninth-warmest May on record. No other state had May temperatures that ranked among the 10 warmest or coldest on record.Temperatures were also close to average for the year to-date (Jan. through May), at 0.1 degrees below the 20th century average. According to NOAA, it was the coldest five month start to the year since 1996. That span was also marked by a persistent contrast between east and west, with readings well above average west of the Rocky Mountains.
California’s January-May temperature of 55.2 degrees Fahrenheit was 5 degrees above the 20th century average, breaking the record set in 1934 by 0.1 degrees Fahrenheit.
Below-average January-May temperatures were widespread east of the Rockies. Thirteen states, from the Upper Midwest to the Gulf Coast, had year-to-date temperatures that ranked among the 10 coldest on record. The largest departures from average occurred across the Great Lakes region. No state had five-month temperatures that were record cold.
Read the full monthly report here.