Normal weather on 18 December in Hartley
The weather on 18 December in Hartley has an average temperature of about 11°C during the day. The maximum temperature can reach up to 13°C, while the minimum temperature can be 8°C.
On average, 1,3 mm of rain falls in Hartley on 18 December. The wind speed is 4 Beaufort and mainly comes from Southwest.
18 December Averages for Hartley
![]() | 11°C |
![]() | 13°C |
![]() | 8°C |
![]() | 1,3 mm |
![]() | 1 day |
Temperature on 18 December in Hartley per Year
This graph shows the measured temperature on 18 December in Hartley per year, measured in degrees Celsius, over the past years.
Precipitation on 18 December in Hartley per Year
This graph shows the total measured precipitation in millimeters on 18 December in Hartley per year over the past years.
Average weather in Hartley per month
Click on a month below to see in detail how the weather typically is in Hartley and what to expect. Based on the historical weather data of Hartley, you can view the average temperature, precipitation, wind, and UV index for each day of the month.