Average climate of Duncannon
The climate of Duncannon has an average yearly temperature of 19°C. Throughout the year, the average monthly temperature can drop to 4°C and rise to 31°C.
Annually, about 1616 mm of rain falls. This gives a good overview of how much rain to expect in Duncannon. Additionally, about 58 cm of snow falls each year.
The best time to visit Duncannon is April, June, August and October. Although it often rains during this period, it rains less than in other months. The temperatures are also good for visiting Duncannon.
4 to 31°C
1616 mm
58 cm
Table of contents
- Average yearly temperature: 19°C
- Highest temperature: 31°C in July
- Lowest temperature: 4°C in January
- Precipitation: 1616 mm per year, averaging 135 mm per month
- Driest months: 82 mm in January, 98 mm in March and November
- Wettest months: 269 mm in July, 192 mm in September and 176 mm in May
- Snowfall: 58 cm per year
Climate table Duncannon
The climate table for Duncannon shows the average temperatures, precipitation, snowfall, and UV index per month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daytime temperature (°C) | 4 | 7 | 11 | 18 | 23 | 28 | 31 | 30 | 27 | 20 | 12 | 8 |
| Nighttime temperature (°C) | -4 | -2 | 1 | 7 | 13 | 18 | 21 | 20 | 17 | 11 | 3 | 0 |
| Precipitation (mm) | 82 | 136 | 98 | 116 | 176 | 132 | 269 | 102 | 192 | 109 | 98 | 106 |
| Snowfall (cm) | 13 | 21 | 16 | 0,8 | 0 | 0 | 0 | 0 | 0 | 0 | 1,8 | 5,5 |
| UV Index | 2 | 3 | 4 | 5 | 4 | 6 | 6 | 5 | 5 | 4 | 3 | 2 |
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Temperature per month in Duncannon
This graph shows the average high temperatures in degrees Celsius for each month in Duncannon, Pennsylvania
Precipitation per month in Duncannon
This graph shows the average monthly precipitation in millimeters in Duncannon, Pennsylvania.
Snowfall per month in Duncannon
This graph shows the average snowfall in centimeters per month in Duncannon, Pennsylvania.
UV index per month in Duncannon
This graph shows the average UV index per month in Duncannon, Pennsylvania.
Yearly temperature in Duncannon
This graph shows the average yearly temperature in Duncannon, Pennsylvania, measured in degrees Celsius.
Yearly total precipitation in Duncannon
This graph shows the average yearly precipitation in millimeters in Duncannon, Pennsylvania.
Yearly snowfall in Duncannon
This graph shows the average yearly snowfall in Duncannon, Pennsylvania, measured in centimeters.
Weather experiences in Duncannon
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Average weather in Duncannon per month
Click on a month below to see in detail how the weather typically is in Duncannon and what to expect. Based on the historical weather data of Duncannon, you can view the average temperature, precipitation, wind, and UV index for each day of the month.