Climate Insights for Beach Park

Sweet Grass County, Illinois, United States

Hottest
August
23°C peak
Coldest
January
-4°C low
Wettest
October
118mm rain
Best to Visit
June, July, August
Mild temps & low rain

Climate Overview

The climate in Beach Park is cool. The average annual temperature is 9°C and approximately 1016mm of precipitation falls per year. Beach Park receives a notable amount of rainfall throughout the year, including during its driest month. Beach Park is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, December, when temperatures can drop to -4°C. Snowfall occurs from January to December, with around 80cm accumulating over the season.

Temperature

-10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 0° Average: -2° Min: -4° Feb Max: 1° Average: -2° Min: -4° Mar Max: 4° Average: 2° Min: 0° Apr Max: 7° Average: 5° Min: 3° May Max: 11° Average: 9° Min: 8° Jun Max: 18° Average: 16° Min: 14° Jul Max: 22° Average: 20° Min: 19° Aug Max: 23° Average: 22° Min: 20° Sep Max: 21° Average: 19° Min: 18° Oct Max: 15° Average: 13° Min: 11° Nov Max: 8° Average: 6° Min: 4° Dec Max: 3° Average: 1° Min: 0°
Max
Average
Min

Temperatures in Beach Park vary considerably across the year, with a 27°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 23°C with a mean of 22°C. The coldest month is January, when overnight lows fall to -4°C and the daily average is -2°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between October and November, with a 7°C shift in average temperatures.

Precipitation

0mm 25mm 50mm 75mm 100mm 125mm 150mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 74mm Snow: 26mm Feb Precipitation: 60mm Snow: 18mm Mar Precipitation: 89mm Snow: 10mm Apr Precipitation: 113mm Snow: 6mm May Precipitation: 116mm Snow: 0mm Jun Precipitation: 84mm Snow: 0mm Jul Precipitation: 71mm Snow: 0mm Aug Precipitation: 64mm Snow: 0mm Sep Precipitation: 78mm Snow: 0mm Oct Precipitation: 118mm Snow: 1mm Nov Precipitation: 73mm Snow: 7mm Dec Precipitation: 77mm Snow: 11mm
Precipitation
Snow

Beach Park is a moderately rainy area, receiving approximately 1016mm of precipitation annually, which averages out to around 85mm per month. The wettest month is October, averaging 118mm of rainfall. May and April also tend to see above-average precipitation. The driest month is February, with just 60mm. That's 59mm less than October, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 80cm accumulating over the season. January typically sees the most snow at around 26cm.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h 25km/h 30km/h 35km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 33km/h Feb Wind Speed: 34km/h Mar Wind Speed: 31km/h Apr Wind Speed: 30km/h May Wind Speed: 27km/h Jun Wind Speed: 26km/h Jul Wind Speed: 24km/h Aug Wind Speed: 24km/h Sep Wind Speed: 27km/h Oct Wind Speed: 32km/h Nov Wind Speed: 33km/h Dec Wind Speed: 34km/h
Wind Speed

Beach Park is moderately windy, with an average annual wind speed of 30km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 34km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in July, with average winds dropping to 24km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 10km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 33km/h in winter, 30km/h in spring, 24km/h in summer, 31km/h in autumn.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

87 days until Summer

It is currently spring in Beach Park, which began on March 20, 2026. Beach Park is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 23°C, while the coldest stretch bottoms out in January near -4°C. Summer is next, beginning on June 21, 2026 — 87 days from now.

Spring

Temperatures range from 0 to 11°C. Rainfall is heavy, totalling around 317mm across the season with a monthly average of 106mm. Winds are strong, averaging 30km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 14 to 23°C. Precipitation is moderate at around 219mm for the season, averaging 73mm per month. Winds are moderate at around 24km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from 4 to 21°C. Precipitation is moderate at around 268mm for the season, averaging 89mm per month. Expect around 7cm of snow accumulation during this period. Winds are strong, averaging 31km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -4 to 3°C. Precipitation is moderate at around 211mm for the season, averaging 70mm per month. Expect around 56cm of snow accumulation during this period. Winds are strong, averaging 33km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Best Time to Visit

Jan -2°
Feb -2°
Mar
Apr
May
Jun 16°
Jul 20°
Aug 22°
Sep 19°
Oct 13°
Nov
Dec

The best time to visit Beach Park is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 74mm per month. By contrast, January can be quite cold with temperatures dropping to -4°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

Monthly Climate Data

The table below shows monthly climate averages for Beach Park based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
-4 °C
0 °C
33 km/h
74 mm
26 cm
Feb
-4 °C
1 °C
34 km/h
60 mm
18 cm
Mar Current
0 °C
4 °C
31 km/h
89 mm
10 cm
Apr
3 °C
7 °C
30 km/h
113 mm
6 cm
May
8 °C
11 °C
27 km/h
116 mm
0 cm
Jun
14 °C
18 °C
26 km/h
84 mm
0 cm
Jul
19 °C
22 °C
24 km/h
71 mm
0 cm
Aug
20 °C
23 °C
24 km/h
64 mm
0 cm
Sep
18 °C
21 °C
27 km/h
78 mm
0 cm
Oct
11 °C
15 °C
32 km/h
118 mm
1 cm
Nov
4 °C
8 °C
33 km/h
73 mm
7 cm
Dec
0 °C
3 °C
34 km/h
77 mm
11 cm
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Metric (°C, km/h)