Climate averages 1991–2020
Medford weather
in May.
A mild, moderately wet month: the 5th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Medford: daytime highs average 20.3°C and nights cool to about 8.0°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 78 mm of rain on roughly 10 days, which makes May a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 34 min on an average May day.
The nearest other city in this atlas is Eugene (193 km away). In May its highs average 18.0°C, 2.2°C cooler than Medford, with 82 mm of rain.
Among the 498 cities listed in the United States, Medford ranks joint 365th of 498 for the warmest May highs and joint 207th of 498 for the driest May (rainfall, lowest first). The mean May high of those 498 cities is 23.8°C; Medford is 3.5°C cooler than that mean.
From May to June, average highs rise by 4.0°C to 24.3°C, and monthly rainfall falls from 78 mm to 40 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Medford climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.8°C0.7°C | 0.7°C | 126 | 13.8 | 9.59 h |
| February | 11.2°C1.1°C | 1.1°C | 104 | 12.9 | 10.511 h |
| March | 13.5°C2.3°C | 2.3°C | 122 | 15.1 | 11.912 h |
| April | 16.0°C4.2°C | 4.2°C | 99 | 13.9 | 13.313 h |
| May, selected | 20.3°C8.0°C | 8.0°C | 78 | 10.3 | 14.615 h |
| June | 24.3°C11.2°C | 11.2°C | 40 | 5.7 | 15.215 h |
| July | 30.2°C15.3°C | 15.3°C | 12 | 2.5 | 14.915 h |
| August | 30.1°C15.0°C | 15.0°C | 15 | 2.6 | 13.914 h |
| September | 26.9°C11.7°C | 11.7°C | 22 | 3.5 | 12.513 h |
| October | 19.9°C7.0°C | 7.0°C | 59 | 7.3 | 11.111 h |
| November | 12.7°C3.2°C | 3.2°C | 110 | 12.8 | 9.810 h |
| December | 8.7°C0.6°C | 0.6°C | 158 | 14.9 | 9.19 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Eugene in MayUnited States · 193 kmHigh 18.0°C · Low 7.8°C · 82 mm rain
- Redding in MayUnited States · 198 kmHigh 26.0°C · Low 12.1°C · 58 mm rain
- Bend in MayUnited States · 230 kmHigh 16.9°C · Low 4.4°C · 45 mm rain
- Salem, United States in MayUnited States · 291 kmHigh 18.6°C · Low 8.2°C · 56 mm rain
- Chico in MayUnited States · 302 kmHigh 26.7°C · Low 12.8°C · 47 mm rain
- Beaverton in MayUnited States · 351 kmHigh 18.5°C · Low 8.3°C · 70 mm rain
- Gresham in MayUnited States · 354 kmHigh 17.8°C · Low 7.9°C · 89 mm rain
- Hillsboro in MayUnited States · 356 kmHigh 18.6°C · Low 8.4°C · 69 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Medford) is explained once on the Medford year overview and on the Sources, method and limits page.