Besttimetovisit.com.pkClimate of Boulder Hill
Boulder Hill has a continental climate. It is warm in the summer and cold in the winter. The average annual temperature for Boulder Hill is 15° degrees and there is about 1127 mm of rain in a year. It is dry for 155 days a year with an average humidity of 79% and an UV-index of 3.
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 -8°C and 20°C
- Rain: it rains 150 days and there is a total of approximately 1128 mm rainfall
- Snow: it snows an average of 32 days per year
- Sun hours: throughout the year there are 1054 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 -8°C and 20°C |
| Dry days: | 183 days |
| Days with rain: | 150 days |
| Days with snow: | 32 days |
| Total rain sum: | 1128 mm |
| Hours of sunshine: | 1054 hours |
Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Boulder Hill.
Precipitation graph
This graph shows the average amount of rainfall per month for Boulder Hill.
Climate table of Boulder Hill
In this climate table you can see at a glance what the average weather per month is for Boulder Hill. 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 Boulder Hill might be like in a given month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day temp. (°C) | -3 | 0 | 8 | 15 | 21 | 27 | 29 | 28 | 24 | 17 | 9 | 1 |
| Night temp. (°C) | -8 | -6 | 1 | 6 | 13 | 18 | 20 | 18 | 14 | 8 | 2 | -3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Precipitation (mm) | 53 | 74 | 91 | 137 | 129 | 139 | 104 | 103 | 56 | 93 | 71 | 78 |
| Days with rain | 6 | 6 | 11 | 17 | 19 | 17 | 17 | 16 | 11 | 12 | 10 | 8 |
| Days with snow | 10 | 9 | 4 | 1 | - | - | - | - | - | - | 1 | 7 |
| Dry days | 15 | 13 | 16 | 12 | 12 | 13 | 14 | 15 | 19 | 19 | 19 | 16 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Sun hours per day | 2 | 2 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 2 | 2 | 1 |
| Wind force (Bft) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 3 | 3 | 3 | 3 |
| UV-index | 1 | 2 | 3 | 4 | 4 | 5 | 5 | 5 | 4 | 2 | 2 | 1 |
Best time to visit Boulder Hill
The best time to visit Boulder Hill in the state of Illinois is September. In this period you have a pleasant temperature and little precipitation. The highest average temperature in Boulder Hill is 29°C in July and the lowest is -3°C in January.
Climate of Boulder Hill by month
What is the average climate in a given month for Boulder Hill? 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.
Boulder Hill weather experiences
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