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Carson City, Nevada climate
Csa Hot-summer Mediterranean
Carson City has a seasonal cool-temperate climate (Hot-summer Mediterranean, Köppen Csa). The hottest month is July with an average daily high near 32°C, while the coldest is December averaging around −5°C at night. Precipitation totals about 237 mm a year and is strongly seasonal — January alone averages 44 mm while August barely receives 4 mm. Light snow accumulates each winter (36 cm of snow per year on average).
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation split into rain and snow · 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 countsCarson City climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 8 | 10 | 13 | 17 | 21 | 27 | 32 | 31 | 27 | 20 | 13 | 7 |
| Avg temp (°C) | 2 | 4 | 7 | 9 | 14 | 18 | 22 | 21 | 17 | 11 | 5 | 1 |
| Avg low (°C) | −4 | −3 | 0 | 2 | 6 | 10 | 13 | 11 | 8 | 2 | −2 | −5 |
| Precipitation (mm) | 44 | 38 | 31 | 13 | 13 | 9 | 5 | 4 | 6 | 14 | 23 | 38 |
| Snowfall (cm) | 9 | 4 | 4 | — | — | — | — | — | — | — | 2 | 16 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 8 | 10 | 13 | 17 | 21 | 27 |
| Avg temp (°C) | 2 | 4 | 7 | 9 | 14 | 18 |
| Avg low (°C) | −4 | −3 | 0 | 2 | 6 | 10 |
| Precipitation (mm) | 44 | 38 | 31 | 13 | 13 | 9 |
| Snowfall (cm) | 9 | 4 | 4 | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 32 | 31 | 27 | 20 | 13 | 7 |
| Avg temp (°C) | 22 | 21 | 17 | 11 | 5 | 1 |
| Avg low (°C) | 13 | 11 | 8 | 2 | −2 | −5 |
| Precipitation (mm) | 5 | 4 | 6 | 14 | 23 | 38 |
| Snowfall (cm) | — | — | — | — | 2 | 16 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 6 | 5 | 4 | 3 | 3 | 2 | 0.8 | 0.8 | 0.9 | 2 | 3 | 4 |
| Days with high ≥ 32°C (days) | — | — | — | — | 0.3 | 4 | 14 | 11 | 2 | 0.0 | — | — |
| Days with low ≤ 0°C (days) | 24 | 19 | 18 | 11 | 2 | 0.3 | 0.0 | 0.0 | 0.5 | 11 | 19 | 22 |
| Days with snowfall ≥ 2.5 cm (days) | 1 | 0.9 | 0.8 | 0.1 | — | — | — | — | — | 0.0 | 0.4 | 0.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 6 | 5 | 4 | 3 | 3 | 2 |
| Days with high ≥ 32°C (days) | — | — | — | — | 0.3 | 4 |
| Days with low ≤ 0°C (days) | 24 | 19 | 18 | 11 | 2 | 0.3 |
| Days with snowfall ≥ 2.5 cm (days) | 1 | 0.9 | 0.8 | 0.1 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 0.8 | 0.8 | 0.9 | 2 | 3 | 4 |
| Days with high ≥ 32°C (days) | 14 | 11 | 2 | 0.0 | — | — |
| Days with low ≤ 0°C (days) | 0.0 | 0.0 | 0.5 | 11 | 19 | 22 |
| Days with snowfall ≥ 2.5 cm (days) | — | — | — | 0.0 | 0.4 | 0.9 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 58 | 56 | 52 | 47 | 32 | 24 | 23 | 24 | 35 | 50 | 58 |
| Clear days (≤ 30% cloud) | 7 | 6 | 8 | 9 | 11 | 18 | 21 | 22 | 20 | 17 | 9 | 7 |
| Partly cloudy days (30–70%) | 11 | 10 | 11 | 11 | 12 | 8 | 8 | 7 | 7 | 8 | 12 | 12 |
| Cloudy days (≥ 70%) | 13 | 11 | 12 | 10 | 9 | 4 | 2 | 2 | 3 | 6 | 9 | 13 |
| Relative humidity (%) | 77 | 77 | 75 | 69 | 62 | 48 | 36 | 33 | 38 | 48 | 63 | 76 |
| Wind speed (mph) | 3.1 | 3.4 | 3.8 | 3.9 | 3.6 | 3.4 | 3.0 | 2.9 | 3.0 | 3.1 | 3.2 | 3.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 58 | 56 | 52 | 47 | 32 |
| Clear days (≤ 30% cloud) | 7 | 6 | 8 | 9 | 11 | 18 |
| Partly cloudy days (30–70%) | 11 | 10 | 11 | 11 | 12 | 8 |
| Cloudy days (≥ 70%) | 13 | 11 | 12 | 10 | 9 | 4 |
| Relative humidity (%) | 77 | 77 | 75 | 69 | 62 | 48 |
| Wind speed (mph) | 3.1 | 3.4 | 3.8 | 3.9 | 3.6 | 3.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 24 | 23 | 24 | 35 | 50 | 58 |
| Clear days (≤ 30% cloud) | 21 | 22 | 20 | 17 | 9 | 7 |
| Partly cloudy days (30–70%) | 8 | 7 | 7 | 8 | 12 | 12 |
| Cloudy days (≥ 70%) | 2 | 2 | 3 | 6 | 9 | 13 |
| Relative humidity (%) | 36 | 33 | 38 | 48 | 63 | 76 |
| Wind speed (mph) | 3.0 | 2.9 | 3.0 | 3.1 | 3.2 | 3.2 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Carson City (NOAA GHCN station USC00261485), about 4 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.