May 2014 Was A Little Warmer, Drier Than Average

OSWEGO, NY – Spring finally arrived for good in May, according to Bill Gregway, local observer for the National Weather Service.

“Spring was rather late this year. But everything seem to come out all at once in May,” he said. “We had a lot of good color last month.”

A bicyclist rides across the Bridge Street bridge in a fog last month
A bicyclist rides across Oswego’s Bridge Street bridge in a fog last month

The average temperature was 56.8 degrees. That was 0.8-degree above average, Gregway said.

“That’s not much,” he said. “We had a lot of nice days, but we also had some cool northerly breezes that kept us cooler than places like Syracuse.”

The highest temperature last month was 84 degrees on the 9th and the lowest was 35 degrees on the 7th.

There were no records set. But we did tie the high (83 degrees) record on the 15th, Gregway noted.

May had 3 days were the temperature was 80 degrees or above, 2 of them in a row.

It was 70 degrees or higher 6 times with 3 days in a row.

The overnight low was in the 30s 4 times, 3 of them were consecutive.

Total precipitation for May was 3.14 inches. That is just 0.03-inch below average.

Measurable precipitation fell on 12 days, with 3 of stretches of 3 days in a row and 1 run of 5 days in a row at the end of the month.

A trace fell on 2 days.

And, no precipitation was recorded on 17 days with 6 spurts of

The greatest precipitation in a 24-hour period was 1.34 inches in the 16th.

At the end of May, total precipitation for the year stands at 16.01 inches. That is 0.46-inch below average.

A trace of snowfall was recorded, which is average for May.

“We had hail on the 13th,” Gregway explained. “That counts as snowfall.”

For the winter, the total stands at 154.5 inches. That is 3.7 inches higher than average.

The area received 49 percent of the possible amount of sunshine. That is 10 percentages below average.

The number of cloudy days, 13, was 1 above average.

The number of partly cloudy days, 15, was 5 above average.

The number of clear days, 3, was 6 below average.

There were 5 thunderstorm days last month. That is 2 above normal.

May had 2 foggy days, which is average.

The highest barometric pressure was 30.27 on the 7th and 8th. The lowest was 29.66 on the 3rd.

May’s strongest winds were south-southeasterly at greater than 30 mph on the 15th.

“We only had 2 other days where they were more than 25 mph,” Gregway said. “Surprisingly, we didn’t have a lot of wind last month. There were only 5 times when the winds were greater than 20 mph all month. It wasn’t very windy at all.”

Last year, May was 4.1 degrees warmer than average.

Spring finally arrived for good last month and everything started to bloom
Spring finally arrived for good last month and everything started to bloom

Total precipitation was 0.22-inch below average. And, for the year it was nearly 3 inches below average.

There were 4 thunderstorm days and 2 foggy days.

May 2013 had no snow and the winter petered out at 104.3 inches, which is 46.5 inches below average.

The warmest May on record is 62.7 degrees in 2012. The coldest is 46.4 degrees in 1917.

The highest temperature in May is 94 degrees on the 30th in 1879. The lowest is 27 degrees on the 11th in 1904.

May 1931 was the wettest (7.47 inches) and 1920 was the driest (0.18-inch).

The most snowfall in May is 1 inch in 1907. Several have been snow-free.