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Los Banos, California climate
BSk Cold semi-arid
Los Banos has a seasonal mild-temperate climate (Cold semi-arid, Köppen BSk). The hottest month is July with an average daily high near 35°C, while the coldest is December averaging around 4°C at night. Precipitation totals about 241 mm a year and is strongly seasonal — January alone averages 53 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 figuresClear vs cloudy days
Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day countsLos Banos climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 13 | 17 | 20 | 23 | 27 | 32 | 35 | 34 | 32 | 26 | 19 | 13 |
| Avg temp (°C) | 9 | 11 | 14 | 16 | 20 | 24 | 26 | 26 | 24 | 19 | 13 | 8 |
| Avg low (°C) | 4 | 6 | 8 | 10 | 13 | 16 | 18 | 17 | 16 | 12 | 7 | 4 |
| Precipitation (mm) | 53 | 46 | 34 | 17 | 12 | 2 | 1 | 0 | 1 | 12 | 22 | 42 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 13 | 17 | 20 | 23 | 27 | 32 |
| Avg temp (°C) | 9 | 11 | 14 | 16 | 20 | 24 |
| Avg low (°C) | 4 | 6 | 8 | 10 | 13 | 16 |
| Precipitation (mm) | 53 | 46 | 34 | 17 | 12 | 2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 35 | 34 | 32 | 26 | 19 | 13 |
| Avg temp (°C) | 26 | 26 | 24 | 19 | 13 | 8 |
| Avg low (°C) | 18 | 17 | 16 | 12 | 7 | 4 |
| Precipitation (mm) | 1 | 0 | 1 | 12 | 22 | 42 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 9 | 8 | 7 | 4 | 2 | 0.7 | 0.1 | 0.2 | 0.4 | 2 | 5 | 7 |
| Days with high ≥ 32°C (days) | — | — | — | 1 | 6 | 16 | 26 | 25 | 18 | 4 | 0.1 | — |
| Days with low ≤ 0°C (days) | 5 | 1 | — | 0.1 | — | — | 0.0 | — | — | — | 1 | 7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 9 | 8 | 7 | 4 | 2 | 0.7 |
| Days with high ≥ 32°C (days) | — | — | — | 1 | 6 | 16 |
| Days with low ≤ 0°C (days) | 5 | 1 | — | 0.1 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 0.1 | 0.2 | 0.4 | 2 | 5 | 7 |
| Days with high ≥ 32°C (days) | 26 | 25 | 18 | 4 | 0.1 | — |
| Days with low ≤ 0°C (days) | 0.0 | — | — | — | 1 | 7 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 59 | 53 | 49 | 40 | 31 | 18 | 13 | 12 | 15 | 26 | 44 | 56 |
| Clear days (≤ 30% cloud) | 7 | 8 | 11 | 14 | 19 | 24 | 27 | 27 | 24 | 21 | 12 | 7 |
| Partly cloudy days (30–70%) | 11 | 9 | 9 | 9 | 8 | 4 | 4 | 3 | 4 | 7 | 10 | 12 |
| Cloudy days (≥ 70%) | 13 | 10 | 10 | 7 | 5 | 2 | 0.8 | 0.8 | 1 | 4 | 8 | 12 |
| Relative humidity (%) | 75 | 76 | 74 | 65 | 54 | 41 | 35 | 36 | 40 | 47 | 62 | 71 |
| Wind speed (m/s) | 1.7 | 1.9 | 2.0 | 2.6 | 3.0 | 3.3 | 3.2 | 2.9 | 2.4 | 2.0 | 1.8 | 1.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 59 | 53 | 49 | 40 | 31 | 18 |
| Clear days (≤ 30% cloud) | 7 | 8 | 11 | 14 | 19 | 24 |
| Partly cloudy days (30–70%) | 11 | 9 | 9 | 9 | 8 | 4 |
| Cloudy days (≥ 70%) | 13 | 10 | 10 | 7 | 5 | 2 |
| Relative humidity (%) | 75 | 76 | 74 | 65 | 54 | 41 |
| Wind speed (m/s) | 1.7 | 1.9 | 2.0 | 2.6 | 3.0 | 3.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 13 | 12 | 15 | 26 | 44 | 56 |
| Clear days (≤ 30% cloud) | 27 | 27 | 24 | 21 | 12 | 7 |
| Partly cloudy days (30–70%) | 4 | 3 | 4 | 7 | 10 | 12 |
| Cloudy days (≥ 70%) | 0.8 | 0.8 | 1 | 4 | 8 | 12 |
| Relative humidity (%) | 35 | 36 | 40 | 47 | 62 | 71 |
| Wind speed (m/s) | 3.2 | 2.9 | 2.4 | 2.0 | 1.8 | 1.8 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Los Banos (NOAA GHCN station USC00045118), about 2 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.