3 to 29°C
temperature
2809 hours
sunshine per day
745 mm
rain
197 days
dry
147 days
rain
21 days
snow

Climate of Lancaster

Lancaster has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Lancaster is 18° degrees and there is about 744 mm of rain in a year. It is dry for 178 days a year with an average humidity of 77% and an UV-index of 4.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 3°C and 29°C
  • Night:the average nighttime temperature is between -4°C and 20°C
  • Rain: it rains 147 days and there is a total of approximately 745 mm rainfall
  • Snow: it snows an average of 21 days per year
  • Sun hours: throughout the year there are 2809 sun hours
Maximum temperature: between 3°C and 29°C
Warmest month: 29°C in July
Coldest month: 3°C in January
Night temperature: between -4°C and 20°C
Dry days: 197 days
Days with rain: 147 days
Days with snow: 21 days
Total rain sum: 745 mm
Hours of sunshine: 2809 hours

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Lancaster.

Precipitation graph

This graph shows the average amount of rainfall per month for Lancaster.

Climate table of Lancaster

In this climate table you can see at a glance what the average weather per month is for Lancaster. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Lancaster might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 3 6 12 19 24 28 29 29 26 19 12 6
Night temp. (°C) -4 -2 3 9 15 19 20 19 16 10 4 -1
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 49 58 70 117 74 72 53 40 46 48 59 59
Days with rain 9 9 14 16 17 13 15 11 12 11 10 10
Days with snow 7 6 3 - - - - - - - 1 4
Dry days 15 13 14 14 14 17 16 20 18 20 19 17
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 4 5 6 9 10 11 11 11 9 7 5 4
Wind force (Bft) 3 3 3 3 3 2 2 2 2 3 3 3
UV-index 2 2 3 5 6 6 6 6 5 3 3 2

Best time to visit Lancaster

The best time to visit Lancaster in the state of Illinois is from May through October. In this period you have a warm temperature and little precipitation. The highest average temperature in Lancaster is 29°C in July and the lowest is 3°C in January.

Climate of Lancaster by month

What is the average climate in a given month for Lancaster? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

Lancaster weather experiences

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