Weather in Reno in May

Prime time. May is about as good as Reno gets. Highs average 20.8 °C, lows 6.8 °C, and rain falls on 6 days — nothing in the month is working against you.

May ranks 4 of 12 in Reno: past the worst of the year but short of June, which is the month to book if the dates are open.

Rain falls on only 6 days, so an itinerary with no wet-weather fallback is a reasonable risk. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.

What the averages hide

The averages here are honest — no hidden extremes worth planning around. Across the twenty years measured, the hottest May day reached 33.8 °C and the coldest night fell to -3 °C.

May is moderately variable: 3 mm in the driest year against 76 mm in the wettest, around an average of 31 mm. Roughly two Mays in three land near that average, and the third does something else entirely.

Wind is light at 6 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 57%.

How May sits in the year

The month is on the way up: 5.6 °C warmer than April, and June adds another 6.6 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.

Daylight in May

May is at or near the longest days of Reno's year: 14.3 hours of daylight, gaining 0.9 hours across the month. Evenings are the real gain — dinner outdoors still happens in full light.

An inland climate

With no coast nearby, the year swings a fair way — 35.8 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage. At 1373 m the air is thin enough to matter — sun that burns faster than the temperature suggests, and nights that cool off quickly. Within May itself the daily swing is 14 °C, so mornings and afternoons need different clothes.

How busy it gets

Peak season. Expect the highest prices of the year and to be booking well ahead.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

May in Reno versus nearby

If Reno is one option among several, the nearby comparison is worth making. Sacramento is close enough to be a coin toss — 6.4 °C warmer, 3 days less rain. Napa is close enough to be a coin toss — 4.1 °C warmer, 3 days less rain.

So: May is effectively as good as it gets here — 6 points behind June, which is inside the margin where the weather stops being the deciding factor and price starts being it.

Every month in Reno

See all twelve months in Reno, or where else to go in May.