Fresno Bee Newsroom Blog

It doesn’t rain on June 21 in Fresno — at all

Plan your picnic Friday, you live in Fresno. It’s a good bet you won’t see rain at Woodward Park or anyplace else in the city.

Since weather record-keeping began in the late 1870s, Fresno has never seen rain on June 21.

But that’s not the most interesting part of this trivia. According to the records, June 21 is the only rainless day of the year in Fresno.

In other words, all the torrid, parched days of July and August have seen at least some kind of rain in the last 130 years or so.

“Rain is pretty unusual in the summer for the San Joaquin Valley,” said meteorologist Paul Iniguez of the weather service in Hanford. “But we’ve recorded at least a trace on every day of the season in Fresno, except June 21.”

Iniguez said next month — July — is particularly dry in the Valley. He said there have only been three days since the 1870s when Fresno got more than .10 of an inch of rain. The amounts of rain were .14 of an inch in 1925, .22 in 1992 and .33 in 1913.

“The Valley has a very Mediterranean climate,” he said. “Summers are typically very dry.”

By the way, Friday is the first full day of summer. The solstice happens at 10:04 p.m. Thursday.

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