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The average temperature in Upper Saucon over the whole year is 12°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -2°C. Upper Saucon has no sharply defined rainy season: the chance of rain on a given day runs from 68% in October, the driest month, to 70% in May, the wettest. Winds in Upper Saucon are highest in March, averaging 3.2 m/s (12 km/h), and lightest in August, at 1.7 m/s (6 km/h). The prevailing wind is from the W. The clearest skies in Upper Saucon come in July, when the sky is typically 35% covered; December is the cloudiest month, at 51%.
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 2°C | -2°C | -3°C | 69% | 50% | 2.8 m/s | 1 | 0 | 6 |
| February | 4°C | -1°C | -0°C | 70% | 46% | 2.6 m/s | 2 | 0 | 15 |
| March | 9°C | 2°C | 3°C | 69% | 45% | 3.2 m/s | 8 | 0 | 31 |
| April | 14°C | 7°C | 10°C | 69% | 48% | 3.0 m/s | 27 | 3 | 56 |
| May | 20°C | 12°C | 18°C | 70% | 49% | 2.4 m/s | 56 | 15 | 62 |
| June | 25°C | 17°C | 25°C | 69% | 38% | 2.2 m/s | 61 | 41 | 36 |
| July | 28°C | 21°C | 30°C | 69% | 35% | 1.8 m/s | 30 | 63 | 8 |
| August | 27°C | 19°C | 28°C | 68% | 37% | 1.7 m/s | 45 | 57 | 18 |
| September | 23°C | 15°C | 23°C | 69% | 39% | 1.8 m/s | 66 | 32 | 46 |
| October | 17°C | 10°C | 15°C | 68% | 45% | 2.0 m/s | 49 | 8 | 69 |
| November | 10°C | 3°C | 6°C | 68% | 39% | 2.4 m/s | 12 | 0 | 39 |
| December | 4°C | 0°C | -0°C | 70% | 51% | 2.4 m/s | 0 | 0 | 12 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Year round, Upper Saucon has days of about 2°C at their warmest in January, its coolest month, and 28°C in July, its warmest; the coolest hours of the day run from -2°C to 21°C through the year, and the average temperature over the year is 12°C around the clock. Rain is most likely around May and least likely around October. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Winter in Upper Saucon has typical daily highs of about 3°C and lows of about -1°C, with a 69% chance of rain on a given day.
Spring in Upper Saucon has typical daily highs of about 14°C and lows of about 7°C, with a 69% chance of rain on a given day.
Summer in Upper Saucon has typical daily highs of about 27°C and lows of about 19°C, with a 69% chance of rain on a given day.
Autumn in Upper Saucon has typical daily highs of about 17°C and lows of about 9°C, with a 68% chance of rain on a given day.
Upper Saucon has no sharply defined rainy season: the chance of rain on a given day runs from 68% in October, the driest month, to 70% in May, the wettest.
Winds in Upper Saucon are highest in March, averaging 3.2 m/s (12 km/h), and lightest in August, at 1.7 m/s (6 km/h). The prevailing wind is from the W.
The average temperature in Upper Saucon over the whole year is 12°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -2°C.