Raleigh weather in May

May in Raleigh: warm, rainy, with clean air — an excellent time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Raleigh🇺🇸 United States · US South · City85
  1. 62Jan
  2. 69Feb
  3. 79Mar
  4. 88Apr
  5. 85May
  6. 74Jun
  7. 63Jul
  8. 67Aug
  9. 76Sep
  10. 89Oct
  11. 77Nov
  12. 65Dec

#3 of 12 months in Raleigh · #472 of 1413 destinations to visit in May · comfort 85/100 (tier A)

Days
27°C
Nights
15°C
Wet days
10
Sun
10.1 h
Humidity
69%
Daylight
14 h
Raleigh, United States
Photo: Andretti Brown · Pexels

Traveller notes on Raleigh in May

North Carolina forum regulars put May ahead of the humid summer stretch still to come: “late April through June” gets described as low humidity, shorts and t-shirt weather, with the Raleigh/Durham/Chapel Hill area running noticeably less sticky than the coastal plain, if a touch cooler than Charlotte. The one thing spring doesn't spare visitors: pollen. Forum threads describe North Carolina's spring pollen as “record high,” a visible “green dust storm” coating cars and surfaces, enough that allergy medication is standard packing advice for anyone sensitive to it. Our record: 26°C days, 16°C nights, 65.7% humidity and 10.3 hours of sun — warm and comfortably below summer's worst humidity, the calm-before-the-sticky-season read the forums describe.
Tripadvisor community · May · 1 month ago · Read more on Tripadvisor ↗

Other months in Raleigh

Forum posters discussing April weather across North Carolina are consistent that conditions here are genuinely hard to pin down - you just never know with the state's spring weather. Posters describing the state's mountain areas in April note bare trees and hopefully sunny skies with temperatures in the mid-60sF are typical, though snow in the mountains remains possible even this late in the season. Given the limited destination-specific detail for Raleigh exactly, this note leans on that broader pattern: expect Raleigh's central-Piedmont location to trend milder and greener than the mountains to its west by April, with real day-to-day variability and a decent chance of rain still worth planning around. Posters generally recommend flexible, layered plans for an April visit anywhere in North Carolina, Raleigh included.
Tripadvisor community · April · 1 month ago · Read more on Tripadvisor ↗
Detailed month-specific weather trip reports for Raleigh are relatively sparse on the forum, with most November discussion centering on activities and itinerary logistics for a short visit rather than granular temperature detail. Posters discussing the wider North Carolina region in November note real variation between the coast, the Piedmont where Raleigh sits, and the mountains, with each running noticeably different this time of year. Given the limited destination-specific detail, this note leans on the well-established regional pattern for central North Carolina: a comfortably cool, crisp autumn month, generally milder than the mountains to the west and drier than late summer, with a real but modest chance of a rainy day mixed into an otherwise pleasant stretch for outdoor sightseeing.
Tripadvisor community · November · 1 month ago · Read more on Tripadvisor ↗
Raleigh forum regulars, drawing on the broader North Carolina fall conversation, call October reliably good: usually 70s to low 80s°F during the day and 50s at night, though the range could be anywhere from the 40s to the high 80s depending on the week and whether a cold front or the tail of a hurricane passes through. Nearby Asheville, in the mountains, runs noticeably cooler — daytime highs in the low 60s and lows in the 40s by mid-October — a useful data point for anyone splitting a trip between the Piedmont and the mountains. Fall overall gets rated one of the state's best seasons for exactly this mix of mild days and genuinely crisp evenings. Our record: 22.9°C days, 13.8°C nights, 7 rain days and 8.1 hours of sun — mild and reasonably dry, matching the “reliably good, real week-to-week variation” read.
Tripadvisor community · October · 1 month ago · Read more on Tripadvisor ↗

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Raleigh climate normals — May

Daytime high27°C / 80°F🌤 warm
Nighttime low15°C / 59°F
Feels like (high)28°C / 82°F
Rainfall113 mm / 4.4 in🌧 rainy
Rainy days10 days
Humidity69%💧 humid
Dew point15°C / 58°F
Sunshine10.1 h/day
Daylight14.1 h
Wind16 km/h / 10 mph
Air quality (US AQI)48🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Raleigh in May

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Busyone of its best months for weather(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Raleigh's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Best weatherRaleigh's best weather comes in April, May and October — separate windows, not one continuous season.

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Best weatherFair weatherToughest weather

What's on in Raleigh in May

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Season

    Pine pollen season

    15 Mar – 10 May · usuallyRisk

    Loblolly pine coats cars, porches and the surface of every pond in the city yellow for several weeks each spring. The grains are large enough that most people's noses ignore them; the oak and grass underneath is the problem.

What's on around the world in May →

Nearby, and something's on

Within 300 km of Raleigh — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Raleigh?

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Raleigh in May — FAQ

Is May a good time to visit Raleigh?
May in Raleigh: warm, rainy, with clean air — an excellent time to visit. It ranks #3 of 12 months for Raleigh on SeasonMap's comfort score (85/100).
What is the weather like in Raleigh in May?
In May, Raleigh averages a daily high of 26.9°C and a low of 15°C, with about 112.5 mm of rain over roughly 9.9 rainy days.
What is the air quality in Raleigh in May?
Raleigh has a mean US Air Quality Index of about 48 in May.

Within 300 km: Myrtle Beach's Loggerhead nesting on 1 May – 31 Oct, and Outer Banks' Lighthouse climbing season around 17 Apr – 12 Oct.