Nafplio (Peloponnese) weather by month

The best time to visit Nafplio (Peloponnese) is April, May and October — 94/100 in April, 22°C and 6 rainy days. The best season is spring, March to May (90/100 on average).

The worst month is July at 69/100 — sweltering, dry. See July →

Updated September 2026 · climate normals from ERA5 reanalysis

Planning the wider trip? Best time to visit Greece →

Nafplio🇬🇷 Greece · Greece & Cyprus · City94
  1. 72Jan
  2. 77Feb
  3. 85Mar
  4. 94Apr
  5. 92May
  6. 80Jun
  7. 69Jul
  8. 76Aug
  9. 83Sep
  10. 93Oct
  11. 84Nov
  12. 74Dec

Best season: March to May (90/100 on average) · worst July (69/100)

Days
22°C
Nights
11°C
Wet days
6
Sun
11 h
Humidity
64%
Daylight
13 h
Nafplio, Greece
Photo: Enrique · Pexels

Nafplio, month by month

Comfort score out of 100 for the kind of trip Nafplio is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.

MonthScoreTierHighRainSunCrowdsOn
Jan72B13°C9 d7 hBusy1
Feb77B15°C7 d8 hBusy2
Mar85A18°C9 d10 hPeak4
Apr94S22°C6 d11 hPeak2
May92S27°C6 d12 hQuiet2
Jun80A32°C4 d13 hPeak3
Jul69C35°C2 d13 hPeak4
Aug76B34°C2 d13 hPeak3
Sep83A30°C4 d11 hPeak2
Oct93S24°C5 d9 hPeak3
Nov84A19°C7 d7 hBusy2
Dec74B15°C8 d7 hBusy1

What's on in Nafplio through the year

Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.

February
  • Clean Monday23 FebHoliday
March
  • Independence Day25 MarHoliday
  • Athenian weekends1 Mar – 15 NovSeason
April
  • Orthodox Easter10–13 AprHoliday
June
  • Nafplio Festival11–18 JulFestival
  • Sea warm enough15 Jun – 15 Oct (usually)Season
July
  • Midsummer heat on Palamidi1 Jul – 25 AugHazard
October
  • Ohi Day28 OctHoliday
November
  • Argolid orange harvest15 Nov – 31 Mar (usually)Season

Everything on in Nafplio through the year →

Crowds in Nafplio in April

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.

Peak crowdsAthenian weekends, Orthodox Easter, Easter holidays (Orthodox) in Greece(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Good to know before you go to Nafplio

Real experiences from travellers' own write-ups, quoted with a link to the original.

Visas & entry

A guide to Nafplio's Palamidi Fortress notes the climb involves close to 1,000 steps, rewarded with panoramic views over the town and the Argolic Gulf, though driving up is an option for anyone who'd rather skip the stairs. Their strongest recommendation: stay overnight rather than treating Nafplio as a day trip from Athens, since the town's charm, especially the Old Town at dusk after the day-trippers clear out, is worth more time than a rushed visit allows.
Artsy Traveler · Read the original ↗

Traveller notes on Nafplio

What people who have been say about the place — the year-round notes first, then month by month.

Forum posters describe early May as somewhat unpredictable - warm by day (low-to-mid 20sC) but cooler come evening, with a real chance of a cloudy or rainy day mixed into an otherwise good stretch. Mid-May is generally rated the sweeter spot: good, settled weather without summer's more intense heat, ideal for sightseeing around Nafplio's old town and nearby archaeological sites. Sea swimming is possible but the water itself is still notably cool this early in the season, cooler than a July or August visit would offer. Posters note Nafplio stays lively year-round thanks to its sizeable resident population and steady weekend visitor traffic from other parts of Greece, so it never feels like an empty off-season town even in spring.
Tripadvisor community · May · 1 month ago · Read more on Tripadvisor ↗
Forum posters describe early November in Nafplio as still warm enough for some visitors to swim from the town beach, with daytime temperatures typically in the high teens to low 20sC on dry, clear days, though evenings cool quickly once the sun sets early. Posters are direct that rain remains a real possibility roughly a third of the time during a November stay, even as T-shirt weather stays entirely plausible on a good day. Posters note conditions vary meaningfully across the Peloponnese, generally colder and wetter further from the coast than a seaside town like Nafplio. Posters confirm hotels, restaurants and attractions all stay open in November, with archaeological sites specifically recommended this time of year thanks to thinner crowds. Posters generally rate November as mild, variable but genuinely pleasant for a Nafplio visit, real rain risk balanced against real chances of warm, sunny days.
Tripadvisor community · November · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Nafplio's card on the map.