Round Lake Beach US | ||
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| Today Fri Jul 11 | ||
Sat Jul 12 | ||
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Today Fri Jul 11 | Sat Jul 12 | Sun Jul 13 | Mon Jul 14 | Tue Jul 15 | Wed Jul 16 | Thu Jul 17 | Fri Jul 18 | Sat Jul 19 | Sun Jul 20 | Mon Jul 21 | Tue Jul 22 | Wed Jul 23 | Thu Jul 24 | |
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Round Lake Beach US |
Calculations are based on the last 8 years of historical weather data.
Round Lake Beach, Illinois experiences distinct seasonal temperature variations throughout the year.
Winter months (December to February) see minimums dipping as low as -7.3°C, while summer months (June to August) boast highs reaching up to 26.4°C, indicating a temperature swing of almost 34°C.
The most moderate temperatures occur in spring (March to May) and fall (September to November), showcasing a more balanced climate during these transitional periods.
Maximum Temperatures
| Period | Round Lake Beach |
|---|---|
| Jan | -1.5°C |
| Feb | 0.9°C |
| Mar | 7.0°C |
| Apr | 11.8°C |
| May | 18.3°C |
| Jun | 24.0°C |
| Jul | 26.5°C |
| Aug | 26.3°C |
| Sep | 23.7°C |
| Oct | 16.0°C |
| Nov | 7.6°C |
| Dec | 2.7°C |
| Average | 13.6°C |
Minimum Temperatures
| Period | Round Lake Beach |
|---|---|
| Jan | -7.4°C |
| Feb | -6.0°C |
| Mar | -0.4°C |
| Apr | 3.9°C |
| May | 10.1°C |
| Jun | 15.7°C |
| Jul | 18.6°C |
| Aug | 18.1°C |
| Sep | 15.1°C |
| Oct | 8.0°C |
| Nov | 0.8°C |
| Dec | -2.8°C |
| Average | 6.1°C |
In Round Lake Beach, there is a clear pattern of increasing sun hours (sh) from January to June, peaking at 7.8 hours in June, before slightly declining over the summer months and dropping again in the fall and winter.
Precipitation levels (prec) show a modest increase through the spring, culminating in peak values in April and then remaining relatively low throughout the summer months, suggesting that the region experiences its driest weather parallel to its sunniest days during the summer.
Sunny Weather
| Period | Round Lake Beach |
|---|---|
| Jan | 2.4 hours/day |
| Feb | 3.2 hours/day |
| Mar | 3.5 hours/day |
| Apr | 3.9 hours/day |
| May | 5.2 hours/day |
| Jun | 7.8 hours/day |
| Jul | 7.6 hours/day |
| Aug | 7.4 hours/day |
| Sep | 7.0 hours/day |
| Oct | 4.4 hours/day |
| Nov | 3.7 hours/day |
| Dec | 2.8 hours/day |
| Average | 4.9 hours/day |
Precipitation Levels
| Period | Round Lake Beach |
|---|---|
| Jan | 2.8mm |
| Feb | 3.3mm |
| Mar | 3.8mm |
| Apr | 4.9mm |
| May | 4.5mm |
| Jun | 3.7mm |
| Jul | 3.3mm |
| Aug | 3.0mm |
| Sep | 2.9mm |
| Oct | 3.8mm |
| Nov | 2.4mm |
| Dec | 2.0mm |
| Average | 3.4mm |
Wind Speed
| Period | Round Lake Beach |
|---|---|
| Jan | 20.9km/h |
| Feb | 22.0km/h |
| Mar | 23.4km/h |
| Apr | 22.8km/h |
| May | 19.7km/h |
| Jun | 18.6km/h |
| Jul | 15.9km/h |
| Aug | 16.1km/h |
| Sep | 18.0km/h |
| Oct | 21.2km/h |
| Nov | 21.5km/h |
| Dec | 21.0km/h |
| Average | 20.1km/h |
Humidity
| Period | Round Lake Beach |
|---|---|
| Jan | 81.0% |
| Feb | 79.4% |
| Mar | 71.8% |
| Apr | 72.3% |
| May | 73.7% |
| Jun | 73.4% |
| Jul | 76.5% |
| Aug | 74.1% |
| Sep | 70.9% |
| Oct | 68.6% |
| Nov | 71.3% |
| Dec | 74.7% |
| Average | 74.0% |
In Round Lake Beach, Illinois, the earliest sunrise occurs at 5:16 AM in June, reflecting the city's summer peak, while the latest sunrise at 7:17 AM is recorded in January, indicating the winter months' shorter days.
The sunset times show significant variation as well, with the latest sunset at 8:30 PM in June and the earliest at 4:22 PM in December.
Day length is notably shorter in December, with only 9 hours and 7 minutes of daylight, compared to a lengthy 15 hours and 13 minutes in June, emphasizing the stark contrast between summer and winter in this region.
Sunrise Time
| Period | Round Lake Beach |
|---|---|
| Jan | 7:17 |
| Feb | 6:48 |
| Mar | 6:41 |
| Apr | 6:11 |
| May | 5:31 |
| Jun | 5:16 |
| Jul | 5:31 |
| Aug | 6:01 |
| Sep | 6:33 |
| Oct | 7:07 |
| Nov | 6:52 |
| Dec | 7:14 |
| Average | 6:24 |
Sunset Time
| Period | Round Lake Beach |
|---|---|
| Jan | 16:47 |
| Feb | 17:25 |
| Mar | 18:39 |
| Apr | 19:35 |
| May | 20:08 |
| Jun | 20:30 |
| Jul | 20:25 |
| Aug | 19:51 |
| Sep | 19:01 |
| Oct | 18:09 |
| Nov | 16:39 |
| Dec | 16:22 |
| Average | 18:36 |
Useful Day Length
| Period | Round Lake Beach |
|---|---|
| Jan | 9:29 hours |
| Feb | 10:25 hours |
| Mar | 11:39 hours |
| Apr | 12:35 hours |
| May | 13:08 hours |
| Jun | 13:30 hours |
| Jul | 13:25 hours |
| Aug | 12:51 hours |
| Sep | 12:01 hours |
| Oct | 11:02 hours |
| Nov | 9:39 hours |
| Dec | 9:08 hours |
| Average | 11:36 hours |