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Medford, Oregon climate
Csa Hot-summer Mediterranean
Medford has a seasonal mild-temperate climate (Hot-summer Mediterranean, Köppen Csa). The hottest month is July with an average daily high near 33°C, while the coldest is December averaging around 0°C at night. Precipitation totals about 468 mm a year and is strongly seasonal — December alone averages 90 mm while July barely receives 6 mm. Snow is occasional (9 cm of snow per year on average).
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 countsMedford climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 9 | 12 | 15 | 18 | 23 | 28 | 33 | 33 | 29 | 21 | 12 | 8 |
| Avg temp (°C) | 5 | 7 | 9 | 12 | 16 | 19 | 24 | 24 | 20 | 13 | 7 | 4 |
| Avg low (°C) | 0 | 1 | 3 | 5 | 8 | 11 | 15 | 14 | 11 | 6 | 2 | 0 |
| Precipitation (mm) | 69 | 50 | 46 | 38 | 34 | 17 | 6 | 8 | 12 | 31 | 66 | 90 |
| Snowfall (cm) | 3 | 3 | 1 | — | — | — | — | — | — | — | 0 | 2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 9 | 12 | 15 | 18 | 23 | 28 |
| Avg temp (°C) | 5 | 7 | 9 | 12 | 16 | 19 |
| Avg low (°C) | 0 | 1 | 3 | 5 | 8 | 11 |
| Precipitation (mm) | 69 | 50 | 46 | 38 | 34 | 17 |
| Snowfall (cm) | 3 | 3 | 1 | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 33 | 33 | 29 | 21 | 12 | 8 |
| Avg temp (°C) | 24 | 24 | 20 | 13 | 7 | 4 |
| Avg low (°C) | 15 | 14 | 11 | 6 | 2 | 0 |
| Precipitation (mm) | 6 | 8 | 12 | 31 | 66 | 90 |
| Snowfall (cm) | — | — | — | — | 0 | 2 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 14 | 11 | 13 | 11 | 9 | 4 | 2 | 2 | 3 | 7 | 13 | 14 |
| Days with high ≥ 32°C (days) | — | — | — | 0.2 | 3 | 7 | 20 | 20 | 11 | 1.0 | — | — |
| Days with low ≤ 0°C (days) | 15 | 12 | 7 | 2 | 0.3 | — | — | — | — | 2 | 9 | 16 |
| Days with snowfall ≥ 2.5 cm (days) | 0.2 | 0.3 | 0.0 | — | — | — | — | — | — | — | 0.1 | 0.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 14 | 11 | 13 | 11 | 9 | 4 |
| Days with high ≥ 32°C (days) | — | — | — | 0.2 | 3 | 7 |
| Days with low ≤ 0°C (days) | 15 | 12 | 7 | 2 | 0.3 | — |
| Days with snowfall ≥ 2.5 cm (days) | 0.2 | 0.3 | 0.0 | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 2 | 2 | 3 | 7 | 13 | 14 |
| Days with high ≥ 32°C (days) | 20 | 20 | 11 | 1.0 | — | — |
| Days with low ≤ 0°C (days) | — | — | — | 2 | 9 | 16 |
| Days with snowfall ≥ 2.5 cm (days) | — | — | — | — | 0.1 | 0.3 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 68 | 68 | 69 | 66 | 57 | 41 | 23 | 23 | 32 | 47 | 67 | 70 |
| Clear days (≤ 30% cloud) | 5 | 4 | 4 | 6 | 8 | 14 | 22 | 22 | 18 | 12 | 5 | 4 |
| Partly cloudy days (30–70%) | 8 | 7 | 9 | 8 | 9 | 8 | 6 | 6 | 7 | 8 | 8 | 9 |
| Cloudy days (≥ 70%) | 18 | 17 | 18 | 17 | 14 | 8 | 3 | 3 | 6 | 10 | 17 | 18 |
| Relative humidity (%) | 91 | 88 | 85 | 82 | 79 | 72 | 57 | 50 | 52 | 66 | 84 | 91 |
| Wind speed (mph) | 0.7 | 0.7 | 0.7 | 0.7 | 0.6 | 0.6 | 0.6 | 0.7 | 0.8 | 0.8 | 0.7 | 0.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 68 | 68 | 69 | 66 | 57 | 41 |
| Clear days (≤ 30% cloud) | 5 | 4 | 4 | 6 | 8 | 14 |
| Partly cloudy days (30–70%) | 8 | 7 | 9 | 8 | 9 | 8 |
| Cloudy days (≥ 70%) | 18 | 17 | 18 | 17 | 14 | 8 |
| Relative humidity (%) | 91 | 88 | 85 | 82 | 79 | 72 |
| Wind speed (mph) | 0.7 | 0.7 | 0.7 | 0.7 | 0.6 | 0.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 23 | 23 | 32 | 47 | 67 | 70 |
| Clear days (≤ 30% cloud) | 22 | 22 | 18 | 12 | 5 | 4 |
| Partly cloudy days (30–70%) | 6 | 6 | 7 | 8 | 8 | 9 |
| Cloudy days (≥ 70%) | 3 | 3 | 6 | 10 | 17 | 18 |
| Relative humidity (%) | 57 | 50 | 52 | 66 | 84 | 91 |
| Wind speed (mph) | 0.6 | 0.7 | 0.8 | 0.8 | 0.7 | 0.7 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Medford Intl AP (NOAA GHCN station USW00024225), about 5 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.