Late spring · Weather & things to do
Downtown Tucson in May
Downtown Tucson sees its driest month, with just 0.2 in (4 mm) of rain, highs of 92°F (34°C) and lows of 61°F (16°C).
Our comfort score puts it mid-table at 74/100, 8th of 12.
- Avg high
- 92°F (34°C)
- Avg low
- 61°F (16°C)
- Rain
- 0.2 in (4 mm)
- Humidity
- 22%
- Cloud cover
- 22%
- Daylight
- ~13 h 39 min
- Comfort score
- 74/100 · Good
What May feels like
Heat sets the pace, with highs around 92°F (34°C). Get out early and keep the hottest hours for somewhere cool.
There's a big swing between day and night, about 17°C (31°F), so mornings and evenings feel much cooler than the afternoon.
The air is dry, at about 22% humidity, which keeps warmth comfortable but dries skin and lips.
It's one of the drier stretches, with only about 0.2 in (4 mm) of rain.
Clear skies are common, with cloud cover averaging only 22%.
Plan around May
May sits mid-table; the best months are November – April.
- Comfort slips from 94/100 in April to 74/100.
- Our Tucson New Year's Eve route is planned for Dec 30 – Jan 1, a window set by the holiday season rather than the weather — May falls outside it.
What to pack for May
- Light, breathable clothes92°F afternoons
- Sunscreen, sunglasses and a hatstrong sun this month
- Refillable water bottleeasy to dehydrate in the heat
- A warm layer for eveningsnights drop to 61°F
- Lip balm and moisturizerdry air
- Comfortable walking shoesmost picks involve some walking
What to do in Downtown Tucson in May
Afternoons run hot (92°F), so these picks mix early-start outdoor spots with cool indoor breaks.
Rialto Theatre
A 1920 theater across from Hotel Congress that is now Tucson's main mid-size concert hall.
Why now A break from 92°F afternoons.
Downtown Bowl Bash
Tucson's free New Year's Eve street party, with music and food trucks, ending in a lighted taco drop and fireworks at midnight.
Why now May scores 74/100 for comfort, good conditions for being outside.
Sentinel Peak
The hill with the big whitewashed A just west of downtown, with a summit road and a view across the whole city to the Catalinas.
Why now Highs near 92°F and 0.2 in of monthly rain make this an easy outdoor pick.
Playground Bar & Lounge
A Congress Street bar with a rooftop deck that has hosted a DJ New Year's Eve party with a midnight champagne toast.
Why now One to do outside while the weather is on your side.
Nearby in May
- Catalina Foothills in May~7 mi · highs 91°F, 0.2 in rain · similar daytime temperatures, about as wet
- Papago Park & Camelback in May~102 mi · highs 95°F, 0.2 in rain · 1°C (3°F) warmer by day, about as wet
- Phoenix in May~106 mi · highs 96°F, 0.2 in rain · 2°C (3°F) warmer by day, about as wet
- Sedona in May~188 mi · highs 81°F, 0.6 in rain · 6°C (11°F) cooler by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~962 m to Downtown Tucson's ~725 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Downtown Tucson in May: quick answers
Is May a good time to visit Downtown Tucson?
It's middling, scoring 74/100. The best months are November – April, at up to 100. Expect highs of 92°F (34°C) and 0.2 in (4 mm) of rain.
How hot is Downtown Tucson in May?
Average highs are 92°F (34°C) and average lows 61°F (16°C), making it the 5th-warmest month by daytime highs.
Does it rain a lot in Downtown Tucson in May?
Not much: about 0.2 in (4 mm) of rain falls across May on average, the driest month of the year. The annual total is about 12.7 in (322 mm).
What should I pack for Downtown Tucson in May?
Bring light, breathable clothes (92°F afternoons), sunscreen, sunglasses and a hat (strong sun this month), refillable water bottle (easy to dehydrate in the heat), a warm layer for evenings (nights drop to 61°F) and lip balm and moisturizer (dry air).
More on Downtown Tucson
Planning Downtown Tucson in May?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.