Climate averages 1991–2020
Redding weather
in May.
A warm, moderately wet month: the 5th warmest and the 5th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
May is a warm month in Redding: daytime highs average 26.0°C and nights cool to about 12.1°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 58 mm of rain on roughly 6 days, which makes May a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 25 min on an average May day.
The nearest other city in this atlas is Chico (106 km away). In May its highs average 26.7°C, 0.7°C warmer than Redding, with 47 mm of rain.
Among the 498 cities listed in the United States, Redding ranks joint 158th of 498 for the warmest May highs and 159th of 498 for the driest May (rainfall, lowest first). The mean May high of those 498 cities is 23.8°C; Redding is 2.2°C warmer than that mean.
From May to June, average highs rise by 6.0°C to 32.0°C, and monthly rainfall falls from 58 mm to 24 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
Redding climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 12.5°C3.3°C | 3.3°C | 236 | 12.5 | 9.610 h |
| February | 14.2°C4.0°C | 4.0°C | 218 | 11.6 | 10.611 h |
| March | 16.8°C5.5°C | 5.5°C | 189 | 12.3 | 11.912 h |
| April | 20.2°C7.7°C | 7.7°C | 94 | 9.0 | 13.313 h |
| May, selected | 26.0°C12.1°C | 12.1°C | 58 | 6.2 | 14.414 h |
| June | 32.0°C16.7°C | 16.7°C | 24 | 2.8 | 15.015 h |
| July | 36.9°C20.9°C | 20.9°C | 2.3 | 0.4 | 14.815 h |
| August | 35.6°C20.1°C | 20.1°C | 4.9 | 0.6 | 13.814 h |
| September | 32.1°C16.7°C | 16.7°C | 13 | 1.7 | 12.513 h |
| October | 24.7°C11.7°C | 11.7°C | 70 | 4.6 | 11.211 h |
| November | 16.3°C6.5°C | 6.5°C | 142 | 8.8 | 10.010 h |
| December | 11.9°C3.5°C | 3.5°C | 253 | 12.9 | 9.39 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
- Chico in MayUnited States · 106 kmHigh 26.7°C · Low 12.8°C · 47 mm rain
- Medford in MayUnited States · 198 kmHigh 20.3°C · Low 8.0°C · 78 mm rain
- Roseville in MayUnited States · 225 kmHigh 26.2°C · Low 12.0°C · 33 mm rain
- Citrus Heights in MayUnited States · 230 kmHigh 26.2°C · Low 12.0°C · 33 mm rain
- Sacramento in MayUnited States · 236 kmHigh 26.8°C · Low 12.4°C · 23 mm rain
- Folsom in MayUnited States · 236 kmHigh 25.8°C · Low 11.7°C · 33 mm rain
- Arden-Arcade in MayUnited States · 237 kmHigh 26.4°C · Low 12.3°C · 23 mm rain
- Santa Rosa, United States in MayUnited States · 240 kmHigh 23.6°C · Low 10.6°C · 28 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 Redding) is explained once on the Redding year overview and on the Sources, method and limits page.