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Esperance, Western Australia climate
Csb Warm-summer Mediterranean
Esperance has a mildly seasonal mild-temperate climate (Warm-summer Mediterranean, Köppen Csb). The hottest month is February with an average daily high near 26°C, while the coldest is July averaging around 9°C at night. Precipitation totals about 600 mm a year and is strongly seasonal — July alone averages 87 mm while December barely receives 21 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)Esperance climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 26 | 26 | 25 | 23 | 21 | 18 | 17 | 18 | 20 | 21 | 23 | 25 |
| Avg temp (°C) | 21 | 21 | 20 | 18 | 16 | 14 | 13 | 13 | 15 | 16 | 18 | 20 |
| Avg low (°C) | 16 | 16 | 15 | 13 | 11 | 9 | 9 | 9 | 10 | 11 | 13 | 14 |
| Precipitation (mm) | 34 | 21 | 34 | 41 | 60 | 73 | 87 | 87 | 66 | 42 | 34 | 21 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 26 | 26 | 25 | 23 | 21 | 18 |
| Avg temp (°C) | 21 | 21 | 20 | 18 | 16 | 14 |
| Avg low (°C) | 16 | 16 | 15 | 13 | 11 | 9 |
| Precipitation (mm) | 34 | 21 | 34 | 41 | 60 | 73 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 17 | 18 | 20 | 21 | 23 | 25 |
| Avg temp (°C) | 13 | 13 | 15 | 16 | 18 | 20 |
| Avg low (°C) | 9 | 9 | 10 | 11 | 13 | 14 |
| Precipitation (mm) | 87 | 87 | 66 | 42 | 34 | 21 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 6 | 6 | 8 | 9 | 13 | 15 | 16 | 16 | 14 | 10 | 9 | 7 |
| Days with high ≥ 32°C (days) | 4 | 4 | 3 | 1 | 0.1 | — | — | 0.0 | 0.2 | 1 | 3 | 3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 6 | 6 | 8 | 9 | 13 | 15 |
| Days with high ≥ 32°C (days) | 4 | 4 | 3 | 1 | 0.1 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 16 | 16 | 14 | 10 | 9 | 7 |
| Days with high ≥ 32°C (days) | — | 0.0 | 0.2 | 1 | 3 | 3 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 48 | 53 | 52 | 53 | 51 | 47 | 47 | 50 | 51 | 53 | 56 | 49 |
| Relative humidity (%) | 74 | 75 | 75 | 74 | 74 | 74 | 75 | 75 | 75 | 74 | 74 | 73 |
| Wind speed (m/s) | 5.6 | 5.5 | 5.3 | 4.9 | 5.2 | 5.9 | 6.0 | 5.8 | 5.6 | 5.3 | 5.5 | 5.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 48 | 53 | 52 | 53 | 51 | 47 |
| Relative humidity (%) | 74 | 75 | 75 | 74 | 74 | 74 |
| Wind speed (m/s) | 5.6 | 5.5 | 5.3 | 4.9 | 5.2 | 5.9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 47 | 50 | 51 | 53 | 56 | 49 |
| Relative humidity (%) | 75 | 75 | 75 | 74 | 74 | 73 |
| Wind speed (m/s) | 6.0 | 5.8 | 5.6 | 5.3 | 5.5 | 5.5 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Esperance, a weather station, about 3 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.