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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 88°F, while the coldest is January averaging around 42°F at night. Precipitation totals about 26 inches a year and is strongly seasonal — December alone averages 5.6 inches while August barely receives 0.01 inches.
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 (°F) | 52 | 54 | 58 | 65 | 74 | 82 | 87 | 88 | 81 | 72 | 63 | 55 |
| Avg temp (°F) | 47 | 48 | 52 | 58 | 66 | 74 | 78 | 79 | 73 | 65 | 57 | 50 |
| Avg low (°F) | 42 | 43 | 45 | 51 | 58 | 66 | 69 | 70 | 65 | 58 | 51 | 45 |
| Precipitation (in) | 3.7 | 3.8 | 2.4 | 2.1 | 0.6 | 0.3 | 0.1 | 0.0 | 0.8 | 2.1 | 4.5 | 5.6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 52 | 54 | 58 | 65 | 74 | 82 |
| Avg temp (°F) | 47 | 48 | 52 | 58 | 66 | 74 |
| Avg low (°F) | 42 | 43 | 45 | 51 | 58 | 66 |
| Precipitation (in) | 3.7 | 3.8 | 2.4 | 2.1 | 0.6 | 0.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 87 | 88 | 81 | 72 | 63 | 55 |
| Avg temp (°F) | 78 | 79 | 73 | 65 | 57 | 50 |
| Avg low (°F) | 69 | 70 | 65 | 58 | 51 | 45 |
| Precipitation (in) | 0.1 | 0.0 | 0.8 | 2.1 | 4.5 | 5.6 |
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 ≥ 90°F (days) | — | — | — | — | 0.1 | 8 | 21 | 17 | 2 | — | — | — |
| Days with low ≤ 32°F (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 ≥ 90°F (days) | — | — | — | — | 0.1 | 8 |
| Days with low ≤ 32°F (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 ≥ 90°F (days) | 21 | 17 | 2 | — | — | — |
| Days with low ≤ 32°F (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 (mph) | 9.6 | 9.9 | 9.1 | 7.5 | 6.7 | 7.0 | 8.6 | 9.1 | 8.0 | 8.1 | 8.6 | 9.7 |
| 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 (mph) | 9.6 | 9.9 | 9.1 | 7.5 | 6.7 | 7.0 |
| 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 (mph) | 8.6 | 9.1 | 8.0 | 8.1 | 8.6 | 9.7 |
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.