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Bishop, California climate
BWk Cold desert
Bishop has a seasonal mild-temperate climate (Cold desert, Köppen BWk). The hottest month is July with an average daily high near 38°C, while the coldest is December averaging around −6°C at night. Precipitation totals about 123 mm a year and is strongly seasonal — January alone averages 29 mm while August barely receives 2 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)Bishop climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 14 | 15 | 20 | 23 | 28 | 34 | 38 | 37 | 32 | 25 | 18 | 13 |
| Avg temp (°C) | 4 | 6 | 10 | 13 | 18 | 23 | 26 | 24 | 20 | 14 | 8 | 4 |
| Avg low (°C) | −5 | −3 | 0 | 3 | 7 | 11 | 14 | 12 | 8 | 3 | −3 | −6 |
| Precipitation (mm) | 29 | 23 | 14 | 6 | 6 | 3 | 5 | 2 | 3 | 9 | 8 | 17 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 14 | 15 | 20 | 23 | 28 | 34 |
| Avg temp (°C) | 4 | 6 | 10 | 13 | 18 | 23 |
| Avg low (°C) | −5 | −3 | 0 | 3 | 7 | 11 |
| Precipitation (mm) | 29 | 23 | 14 | 6 | 6 | 3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 38 | 37 | 32 | 25 | 18 | 13 |
| Avg temp (°C) | 26 | 24 | 20 | 14 | 8 | 4 |
| Avg low (°C) | 14 | 12 | 8 | 3 | −3 | −6 |
| Precipitation (mm) | 5 | 2 | 3 | 9 | 8 | 17 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 4 | 4 | 3 | 2 | 2 | 1 | 2 | 1.0 | 1 | 1 | 2 | 3 |
| Days with high ≥ 32°C (days) | — | — | — | 0.5 | 6 | 21 | 30 | 29 | 17 | 1 | — | — |
| Days with low ≤ 0°C (days) | 29 | 23 | 18 | 8 | 1 | 0.1 | — | — | 0.2 | 7 | 24 | 29 |
| Days with snowfall ≥ 2.5 cm (days) | 0.8 | 0.2 | 0.0 | 0.0 | — | — | — | — | — | — | 0.1 | 0.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 4 | 4 | 3 | 2 | 2 | 1 |
| Days with high ≥ 32°C (days) | — | — | — | 0.5 | 6 | 21 |
| Days with low ≤ 0°C (days) | 29 | 23 | 18 | 8 | 1 | 0.1 |
| Days with snowfall ≥ 2.5 cm (days) | 0.8 | 0.2 | 0.0 | 0.0 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 2 | 1.0 | 1 | 1 | 2 | 3 |
| Days with high ≥ 32°C (days) | 30 | 29 | 17 | 1 | — | — |
| Days with low ≤ 0°C (days) | — | — | 0.2 | 7 | 24 | 29 |
| Days with snowfall ≥ 2.5 cm (days) | — | — | — | — | 0.1 | 0.4 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 56 | 59 | 57 | 54 | 52 | 36 | 35 | 28 | 26 | 33 | 45 | 54 |
| Relative humidity (%) | 58 | 56 | 51 | 46 | 41 | 30 | 27 | 25 | 28 | 35 | 45 | 55 |
| Wind speed (m/s) | 1.7 | 2.0 | 2.1 | 2.4 | 2.2 | 2.1 | 1.9 | 1.8 | 1.8 | 1.7 | 1.7 | 1.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 56 | 59 | 57 | 54 | 52 | 36 |
| Relative humidity (%) | 58 | 56 | 51 | 46 | 41 | 30 |
| Wind speed (m/s) | 1.7 | 2.0 | 2.1 | 2.4 | 2.2 | 2.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 35 | 28 | 26 | 33 | 45 | 54 |
| Relative humidity (%) | 27 | 25 | 28 | 35 | 45 | 55 |
| Wind speed (m/s) | 1.9 | 1.8 | 1.8 | 1.7 | 1.7 | 1.7 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Bishop AP (NOAA GHCN station USW00023157), about 3 km from the city centre.
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.