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Mytilene, Greece climate
Csa Hot-summer Mediterranean
Mytilene has a seasonal mild-temperate climate (Hot-summer Mediterranean, Köppen Csa). The hottest month is August with an average daily high near 31°C, while the coldest is January averaging around 6°C at night. Precipitation totals about 658 mm a year and is strongly seasonal — December alone averages 143 mm while August barely receives 0 mm.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Mytilene climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 11 | 12 | 15 | 18 | 23 | 28 | 31 | 31 | 27 | 22 | 17 | 13 |
| Avg temp (°C) | 8 | 9 | 11 | 14 | 19 | 23 | 26 | 26 | 23 | 18 | 14 | 10 |
| Avg low (°C) | 6 | 6 | 7 | 10 | 15 | 19 | 21 | 21 | 18 | 15 | 11 | 7 |
| Precipitation (mm) | 93 | 96 | 61 | 52 | 15 | 8 | 2 | 0 | 21 | 54 | 114 | 143 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 11 | 12 | 15 | 18 | 23 | 28 |
| Avg temp (°C) | 8 | 9 | 11 | 14 | 19 | 23 |
| Avg low (°C) | 6 | 6 | 7 | 10 | 15 | 19 |
| Precipitation (mm) | 93 | 96 | 61 | 52 | 15 | 8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 31 | 27 | 22 | 17 | 13 |
| Avg temp (°C) | 26 | 26 | 23 | 18 | 14 | 10 |
| Avg low (°C) | 21 | 21 | 18 | 15 | 11 | 7 |
| Precipitation (mm) | 2 | 0 | 21 | 54 | 114 | 143 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 9 | 9 | 7 | 8 | 3 | 1 | 0.4 | 0.3 | 2 | 5 | 9 | 12 |
| Days with high ≥ 32°C (days) | — | — | — | — | 0.1 | 8 | 21 | 17 | 2 | — | — | — |
| Days with low ≤ 0°C (days) | 2 | 0.7 | 0.1 | — | — | — | — | — | — | — | — | 0.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 9 | 9 | 7 | 8 | 3 | 1 |
| Days with high ≥ 32°C (days) | — | — | — | — | 0.1 | 8 |
| Days with low ≤ 0°C (days) | 2 | 0.7 | 0.1 | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 0.4 | 0.3 | 2 | 5 | 9 | 12 |
| Days with high ≥ 32°C (days) | 21 | 17 | 2 | — | — | — |
| Days with low ≤ 0°C (days) | — | — | — | — | — | 0.3 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 66 | 65 | 59 | 53 | 44 | 27 | 16 | 16 | 28 | 45 | 55 | 65 |
| Relative humidity (%) | 80 | 78 | 75 | 71 | 68 | 63 | 58 | 59 | 63 | 71 | 77 | 81 |
| Wind speed (km/h) | 15.4 | 15.9 | 14.7 | 12.0 | 10.8 | 11.3 | 13.8 | 14.6 | 12.8 | 13.1 | 13.8 | 15.6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 66 | 65 | 59 | 53 | 44 | 27 |
| Relative humidity (%) | 80 | 78 | 75 | 71 | 68 | 63 |
| Wind speed (km/h) | 15.4 | 15.9 | 14.7 | 12.0 | 10.8 | 11.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 16 | 16 | 28 | 45 | 55 | 65 |
| Relative humidity (%) | 58 | 59 | 63 | 71 | 77 | 81 |
| Wind speed (km/h) | 13.8 | 14.6 | 12.8 | 13.1 | 13.8 | 15.6 |
Methodology & sources
Temperature — modelled for this location from ERA5-Land reanalysis, a ~9 km global grid, because no long-record weather station is close enough to use.
Precipitation — 1991–2020 normals computed from 7 years of daily observations at Mitilini, a weather station, about 7 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.