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Los Gatos, California climate
Csb Warm-summer Mediterranean
Los Gatos has a mildly seasonal mild-temperate climate (Warm-summer Mediterranean, Köppen Csb). The hottest month is July with an average daily high near 29°C, while the coldest is December averaging around 4°C at night. Precipitation totals about 564 mm a year and is strongly seasonal — January alone averages 128 mm while July 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 Gatos climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 15 | 17 | 19 | 21 | 24 | 28 | 29 | 29 | 28 | 24 | 18 | 14 |
| Avg temp (°C) | 9 | 11 | 13 | 14 | 17 | 20 | 21 | 21 | 20 | 17 | 12 | 9 |
| Avg low (°C) | 4 | 5 | 6 | 7 | 10 | 11 | 13 | 13 | 12 | 9 | 6 | 4 |
| Precipitation (mm) | 128 | 124 | 87 | 35 | 13 | 4 | 0 | 1 | 1 | 19 | 50 | 101 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 15 | 17 | 19 | 21 | 24 | 28 |
| Avg temp (°C) | 9 | 11 | 13 | 14 | 17 | 20 |
| Avg low (°C) | 4 | 5 | 6 | 7 | 10 | 11 |
| Precipitation (mm) | 128 | 124 | 87 | 35 | 13 | 4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 29 | 29 | 28 | 24 | 18 | 14 |
| Avg temp (°C) | 21 | 21 | 20 | 17 | 12 | 9 |
| Avg low (°C) | 13 | 13 | 12 | 9 | 6 | 4 |
| Precipitation (mm) | 0 | 1 | 1 | 19 | 50 | 101 |
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 | 5 | 2 | 0.8 | — | 0.1 | 0.3 | 2 | 5 | 8 |
| Days with high ≥ 32°C (days) | — | — | 0.0 | 0.5 | 1 | 5 | 6 | 5 | 5 | 0.8 | — | — |
| Days with low ≤ 0°C (days) | 4 | 1 | 0.3 | 0.2 | — | 0.0 | — | — | — | — | 1.0 | 4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 9 | 8 | 7 | 5 | 2 | 0.8 |
| Days with high ≥ 32°C (days) | — | — | 0.0 | 0.5 | 1 | 5 |
| Days with low ≤ 0°C (days) | 4 | 1 | 0.3 | 0.2 | — | 0.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | — | 0.1 | 0.3 | 2 | 5 | 8 |
| Days with high ≥ 32°C (days) | 6 | 5 | 5 | 0.8 | — | — |
| Days with low ≤ 0°C (days) | — | — | — | — | 1.0 | 4 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 55 | 53 | 49 | 42 | 33 | 20 | 14 | 14 | 16 | 26 | 41 | 52 |
| Clear days (≤ 30% cloud) | 9 | 9 | 11 | 13 | 18 | 23 | 27 | 27 | 25 | 21 | 14 | 9 |
| Partly cloudy days (30–70%) | 10 | 9 | 9 | 9 | 8 | 5 | 3 | 3 | 4 | 7 | 9 | 11 |
| Cloudy days (≥ 70%) | 13 | 10 | 10 | 7 | 5 | 2 | 0.7 | 1 | 1 | 4 | 8 | 11 |
| Relative humidity (%) | 83 | 83 | 82 | 79 | 76 | 71 | 69 | 69 | 67 | 68 | 75 | 80 |
| Wind speed (km/h) | 4.3 | 4.4 | 4.1 | 4.1 | 4.0 | 4.1 | 3.7 | 3.7 | 3.6 | 3.9 | 4.4 | 4.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 55 | 53 | 49 | 42 | 33 | 20 |
| Clear days (≤ 30% cloud) | 9 | 9 | 11 | 13 | 18 | 23 |
| Partly cloudy days (30–70%) | 10 | 9 | 9 | 9 | 8 | 5 |
| Cloudy days (≥ 70%) | 13 | 10 | 10 | 7 | 5 | 2 |
| Relative humidity (%) | 83 | 83 | 82 | 79 | 76 | 71 |
| Wind speed (km/h) | 4.3 | 4.4 | 4.1 | 4.1 | 4.0 | 4.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 14 | 14 | 16 | 26 | 41 | 52 |
| Clear days (≤ 30% cloud) | 27 | 27 | 25 | 21 | 14 | 9 |
| Partly cloudy days (30–70%) | 3 | 3 | 4 | 7 | 9 | 11 |
| Cloudy days (≥ 70%) | 0.7 | 1 | 1 | 4 | 8 | 11 |
| Relative humidity (%) | 69 | 69 | 67 | 68 | 75 | 80 |
| Wind speed (km/h) | 3.7 | 3.7 | 3.6 | 3.9 | 4.4 | 4.8 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Los Gatos (NOAA GHCN station USC00045123), about 1 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.