Best time to visit Nafplio
Re-score for me — drag the dial — every chart recolours live for your heat & sea limits 27°C · sea 29°C
Default 27 °C is the upper edge of the Holiday Climate Index "ideal comfort" band (Scott, Rutty, Amelung & Tang, 2016). Above this, most warm-tourism travellers report measurable discomfort.
Default 29 °C is the Beach Climate Index "bathtub" line (Morgan et al.) — where the sea stops being refreshing and starts feeling like a warm bath.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
How is this scored? HCI / Steadman / CCI gate — full methodology and citations below.
Compare with another destination
Add as many as you like — stacked below the main strips above. Each row is just the recent-window score strip and (for beach destinations) sea-temperature strip.
Tours in Nafplio
6 top-rated tours via Viator. Booking links earn this site a commission at no cost to you. Map locations are approximate (centred on Nafplio).
- 1
Nafplio Private Sailing Half-Day Cruise with Local Snacks - 2
Transfer from/to Nafplio and Portocheli/Ermioni (Kosta/Metochi) - 3
Private RIB Boat Tour in Nafplio and Argolic Gulf - 4
Nemea Wine Tour from Athens, Nafplio or Nemea with Oenologists - 5
4-Hour Thessaloniki Jewish Heritage Private Guided Tour - 6
TRANSFER from/to Nafplio and Athens
Last refreshed 2026-06-09.
Similar climatesSpetses97% · Hydra97% · Athens96%
Other destinations with the most-alike year-round climate to Nafplio (apparent temperature, rain hours, sunshine — matched within the same trip-profile). The ±N chip compares each match's typical score for the current month against Nafplio's. Based on the 2020-2024 climatology, not this year's actual weather.
Month-by-month
| Month | Temp °C | Feels °C | Rain days | Rain h | Rain h/day | Humidity | Wind km/h | Sun h | UV | Interest | Score |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | 6–14 | 12 | 7 | 72 | 10.3 | 58% | 16 | 183 | 2 | Quiet | 8 |
| Feb | 7–16 | 13 | 4 | 54 | 13.5 | 53% | 16 | 189 | 2 | Quiet | 9 |
| Mar | 8–17 | 14 | 8 | 71 | 8.9 | 50% | 16 | 222 | 4 | Quiet | 9 |
| Apr | 11–21 | 19 | 4 | 48 | 12.0 | 44% | 18 | 248 | 6 | Quiet | 10 |
| May | 15–26 | 24 | 5 | 44 | 8.8 | 41% | 18 | 278 | 6 | Quiet | 10 |
| Jun | 21–32 | 31 | 3 | 23 | 7.7 | 36% | 19 | 303 | 8 | Quiet | 7 |
| Jul | 24–36 | 35 | 1 | 10 | 10.0 | 28% | 20 | 314 | 9 | Quiet | 5 |
| Aug | 24–35 | 35 | 2 | 13 | 6.5 | 32% | 20 | 299 | 8 | Peak | 5 |
| Sep | 20–30 | 30 | 4 | 43 | 10.8 | 41% | 17 | 253 | 6 | Busy | 8 |
| Oct | 16–25 | 24 | 3 | 37 | 12.3 | 48% | 15 | 231 | 4 | Peak | 10 |
| Nov | 12–20 | 19 | 5 | 53 | 10.6 | 56% | 15 | 185 | 2 | Peak | 9 |
| Dec | 9–16 | 15 | 8 | 102 | 12.8 | 65% | 14 | 170 | 2 | Busy | 8 |
UV Index in Nafplio by Month
UV index in Nafplio peaks at 9 (very high) in July, dropping to 2 (low) in December. June, July, August reach very high or extreme levels — apply SPF 50+, wear a hat and protective clothing, and limit direct sun between 11:00 and 17:00.
Best months in detail
October
10/1016–25°C · 3 rain days (37h) · 231 sun hours · 48% humidity · Peak crowd · UV 4 (moderate)
May
10/1015–26°C (feels 24°C) · 5 rain days (44h) · 278 sun hours · 41% humidity · Quiet crowd · UV 6 (high) · sunniest 1 in 10 days reach 8 (very high)
April
10/1011–21°C (feels 19°C) · 4 rain days (48h) · 248 sun hours · 44% humidity · Quiet crowd · UV 6 (moderate) · sunniest 1 in 10 days reach 7 (high)
Every month
Show the other 9 months in detail
January
8/106–14°C (feels 12°C) · 7 rain days (72h) · 183 sun hours · 58% humidity · Quiet crowd · UV 2 (low)
February
9/107–16°C (feels 13°C) · 4 rain days (54h) · 189 sun hours · 53% humidity · Quiet crowd · UV 2 (low) · sunniest 1 in 10 days reach 4 (moderate)
March
9/108–17°C (feels 14°C) · 8 rain days (71h) · 222 sun hours · 50% humidity · Quiet crowd · UV 4 (moderate) · sunniest 1 in 10 days reach 6 (moderate)
June
7/1021–32°C · 3 rain days (23h) · 303 sun hours · 36% humidity · Quiet crowd · UV 8 (very high)
July
5/1024–36°C · 1 rain days (10h) · 314 sun hours · 28% humidity · Quiet crowd · UV 9 (very high)
August
5/1024–35°C · 2 rain days (13h) · 299 sun hours · 32% humidity · Peak crowd · UV 8 (very high)
September
8/1020–30°C · 4 rain days (43h) · 253 sun hours · 41% humidity · Busy crowd · UV 6 (high)
November
9/1012–20°C (feels 19°C) · 5 rain days (53h) · 185 sun hours · 56% humidity · Peak crowd · UV 2 (low) · sunniest 1 in 10 days reach 3 (moderate)
December
8/109–16°C (feels 15°C) · 8 rain days (102h) · 170 sun hours · 65% humidity · Busy crowd · UV 2 (low)
Frequently asked questions about visiting Nafplio
When is the best time to visit Nafplio?
October is the highest-scoring month (10/10 on the Holiday Climate Index). Typical conditions: 16–25°C (3 rainy days). The top three months by score are October, May, April.
What is the worst time to visit Nafplio?
July is the lowest-scoring month (5/10, capped by extreme heat). Typical conditions: 24–36°C (1 rainy day).
Is Nafplio too hot in summer?
3 months (June, July, August) trip the heat deal-breaker in our scoring: apparent temperature crosses the comfort cap, so even with clear skies and low rain the score is held down. Plan around it if heat tolerance is low.
When are crowds lowest in Nafplio?
Search-interest seasonality (Google Trends 2021-2025) is lowest in January and peaks in August. Interest tracks both in-trip visitors and lead-time planners, so treat it as a "destination is on people's minds" signal rather than literal arrivals.
Which months in Nafplio have good weather but fewer tourists?
April (climate 10/10, crowd index 28) and May (climate 10/10, crowd index 0) — shoulder months with above-average climate and below-median search-interest. Often the best value-for-weather trade.
What is the UV index in Nafplio by month?
UV peaks at 9 (very high) in July and is lowest in December at 2 (low). Monthly peak values: Jan 2, Feb 2, Mar 4, Apr 6, May 6, Jun 8, Jul 9, Aug 8, Sep 6, Oct 4, Nov 2, Dec 2. June, July, August reach very high or extreme levels — apply SPF 50+, wear a hat and protective clothing, and limit direct sun between 11:00 and 17:00.
What is the UV index in Nafplio in July?
July is the peak UV month in Nafplio, with a daily-peak UV index of 9 (very high). At this level, sunburn can occur in under 20 minutes on unprotected fair skin. Apply SPF 50+, wear protective clothing and a hat, and avoid direct midday sun (11:00–17:00).
How high can UV get in Nafplio on the sunniest days?
Most days look like the monthly average, but on the sunniest ~1 in 10 days UV climbs higher than the mean suggests. May is the worst case: typical days average UV 6 (high), but the top 10% of days reach UV 8 (very high) — and even higher. Months where the sunniest days routinely exceed the typical reading: February, March, April, May, November. Plan sun protection for the worst case, not the average.
Is air quality in Nafplio bad for travelers?
PM2.5 (fine-particle pollution) exceeds the WHO sensitive-group guideline (15 µg/m³) in 1 month: July. The worst month is March with a typical-day mean of 10 µg/m³ (fair); on the worst 10% of days PM2.5 reaches 15 µg/m³ (moderate) and higher. People with asthma, heart conditions, or sensitive children may want to avoid these months or limit outdoor activity. Source: CAMS via Open-Meteo.