Climate averages 1991–2020
Reading, United States weather
in August.
A hot, moderately wet month: the 2nd warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Reading, United States: daytime highs average 28.7°C and nights cool to about 18.9°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 85 mm of rain on roughly 10 days, which makes August a moderately wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 46 min on an average August day.
The nearest other city in this atlas is Allentown (48 km away). In August its highs average 28.1°C, 0.6°C cooler than Reading, United States, with 93 mm of rain.
Among the 498 cities listed in the United States, Reading, United States ranks joint 294th of 498 for the warmest August highs and joint 291st of 498 for the driest August (rainfall, lowest first). The mean August high of those 498 cities is 29.9°C; Reading, United States is 1.2°C cooler than that mean.
From August to September, average highs fall by 4.0°C to 24.7°C, and monthly rainfall rises from 85 mm to 108 mm.
The annual picture
August 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
Reading, United States climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 3.4°C-4.4°C | -4.4°C | 82 | 9.3 | 9.610 h |
| February | 5.0°C-4.0°C | -4.0°C | 75 | 9.0 | 10.611 h |
| March | 9.7°C-0.1°C | -0.1°C | 99 | 10.6 | 11.912 h |
| April | 16.4°C5.7°C | 5.7°C | 96 | 10.8 | 13.313 h |
| May | 22.0°C11.5°C | 11.5°C | 92 | 11.3 | 14.414 h |
| June | 27.0°C16.8°C | 16.8°C | 96 | 11.0 | 15.015 h |
| July | 29.7°C19.7°C | 19.7°C | 95 | 10.7 | 14.715 h |
| August, selected | 28.7°C18.9°C | 18.9°C | 85 | 9.8 | 13.814 h |
| September | 24.7°C15.2°C | 15.2°C | 108 | 9.1 | 12.513 h |
| October | 17.7°C8.9°C | 8.9°C | 95 | 8.7 | 11.211 h |
| November | 11.3°C3.2°C | 3.2°C | 77 | 8.1 | 10.010 h |
| December | 5.9°C-1.3°C | -1.3°C | 94 | 9.1 | 9.49 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
August in nearby cities
- Allentown in AugustUnited States · 48 kmHigh 28.1°C · Low 17.9°C · 93 mm rain
- Bethlehem, United States in AugustUnited States · 57 kmHigh 28.0°C · Low 17.9°C · 93 mm rain
- Wilmington (Delaware), United States in AugustUnited States · 73 kmHigh 28.2°C · Low 19.9°C · 100 mm rain
- Philadelphia in AugustUnited States · 78 kmHigh 28.8°C · Low 19.9°C · 95 mm rain
- Camden in AugustUnited States · 82 kmHigh 28.7°C · Low 19.9°C · 95 mm rain
- Cherry Hill in AugustUnited States · 88 kmHigh 28.5°C · Low 20.0°C · 95 mm rain
- Trenton in AugustUnited States · 101 kmHigh 28.4°C · Low 19.3°C · 102 mm rain
- Scranton in AugustUnited States · 121 kmHigh 26.5°C · Low 17.3°C · 84 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 Reading) is explained once on the Reading, United States year overview and on the Sources, method and limits page.