Normal weather on 15 May in Alton
The weather on 15 May in Alton has an average temperature of about 16°C during the day. The maximum temperature can reach up to 20°C, while the minimum temperature can be 12°C.
On average, 0,7 mm of rain falls in Alton on 15 May. The wind speed is 4 Beaufort and mainly comes from Southwest.
15 May Averages for Alton
![]() | 16°C |
![]() | 20°C |
![]() | 12°C |
![]() | 0,7 mm |
![]() | 1 day |
Temperature on 15 May in Alton per Year
This graph shows the measured temperature on 15 May in Alton per year, measured in degrees Celsius, over the past years.
Precipitation on 15 May in Alton per Year
This graph shows the total measured precipitation in millimeters on 15 May in Alton per year over the past years.
Average weather in Alton per month
Click on a month below to see in detail how the weather typically is in Alton and what to expect. Based on the historical weather data of Alton, you can view the average temperature, precipitation, wind, and UV index for each day of the month.