Climate averages 1991–2020
Glyfáda weather
in May.
A warm, very dry month: the 5th warmest and the joint 4th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
May is a warm month in Glyfáda: daytime highs average 25.3°C and nights cool to about 15.9°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 11 mm of rain on roughly 3 days, which makes May a very dry month (the joint 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 12 min on an average May day.
The nearest other city in this atlas is Piraeus (13 km away). In May its highs average 25.3°C, about as warm as Glyfáda, with 23 mm of rain.
Among the 11 cities listed in Greece, Glyfáda ranks joint 4th of 11 for the warmest May highs and 1st of 11 for the driest May (rainfall, lowest first). The mean May high of those 11 cities is 24.6°C; Glyfáda is 0.6°C warmer than that mean.
From May to June, average highs rise by 5.0°C to 30.3°C, and monthly rainfall falls from 11 mm to 3.7 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Glyfáda climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 12.5°C7.0°C | 7.0°C | 51 | 7.0 | 9.910 h |
| February | 13.4°C7.2°C | 7.2°C | 42 | 6.6 | 10.811 h |
| March | 16.1°C8.8°C | 8.8°C | 44 | 5.4 | 11.912 h |
| April | 20.0°C11.6°C | 11.6°C | 19 | 3.6 | 13.213 h |
| May, selected | 25.3°C15.9°C | 15.9°C | 11 | 2.6 | 14.214 h |
| June | 30.3°C20.5°C | 20.5°C | 3.7 | 1.2 | 14.715 h |
| July | 32.7°C23.2°C | 23.2°C | 1.6 | 0.6 | 14.515 h |
| August | 32.6°C23.4°C | 23.4°C | 1.3 | 0.4 | 13.614 h |
| September | 28.4°C20.1°C | 20.1°C | 11 | 1.8 | 12.512 h |
| October | 23.4°C16.4°C | 16.4°C | 26 | 3.0 | 11.211 h |
| November | 18.2°C12.4°C | 12.4°C | 47 | 5.9 | 10.210 h |
| December | 13.8°C8.8°C | 8.8°C | 61 | 7.5 | 9.610 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Piraeus in MayGreece · 13 kmHigh 25.3°C · Low 15.7°C · 23 mm rain
- Athens in MayGreece · 14 kmHigh 25.4°C · Low 15.3°C · 23 mm rain
- Khalándrion in MayGreece · 18 kmHigh 25.1°C · Low 14.5°C · 23 mm rain
- Acharnés in MayGreece · 25 kmHigh 25.5°C · Low 14.5°C · 23 mm rain
- Volos in MayGreece · 182 kmHigh 23.2°C · Low 15.6°C · 44 mm rain
- Pátra in MayGreece · 182 kmHigh 23.2°C · Low 13.4°C · 52 mm rain
- Lárisa in MayGreece · 228 kmHigh 25.1°C · Low 14.0°C · 47 mm rain
- Karşıyaka in MayTurkey · 301 kmHigh 26.1°C · Low 14.6°C · 37 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Glyfáda) is explained once on the Glyfáda year overview and on the Sources, method and limits page.