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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is another subzero cold winter month in Forest Lake, Illinois, with an average temperature varying between 16.3°F (-8.7°C) and 27.7°F (-2.4°C). January is Forest Lake's coldest month, registering average high temperatures of 27.7°F (-2.4°C) and lows of 16.3°F (-8.7°C). Weather in January »
Weather in February
February, the last month of the winter in Forest Lake, is another freezing cold month, with an average temperature varying between 18.9°F (-7.3°C) and 31.1°F (-0.5°C). Forest Lake, Illinois, notes an average high-temperature of a still subzero cold 31.1°F (-0.5°C) in February, displaying minor variation from January. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Forest Lake, Illinois, with an average temperature varying between 30.4°F (-0.9°C) and 43.5°F (6.4°C). As Forest Lake welcomes March, the average high-temperature sees a rise, transitioning from a freezing cold 31.1°F (-0.5°C) in February to a chilly 43.5°F (6.4°C). Weather in March »
Weather in April
April in Forest Lake, Illinois, is a cool spring month, with an average temperature varying between 39.2°F (4°C) and 54.3°F (12.4°C). April's arrival brings a temperature shift, moving from a chilly 43.5°F (6.4°C) in March to a fresh 54.3°F (12.4°C). Weather in April »
Weather in May
May, the last month of the spring in Forest Lake, is an enjoyable month, with an average temperature varying between 50.2°F (10.1°C) and 66.4°F (19.1°C). May comes with an increase, with the average high-temperature moving from a cool 54.3°F (12.4°C) in April to a comfortable 66.4°F (19.1°C). Weather in May »
Weather in June
June, the first month of the summer in Forest Lake, is a moderately hot month, with an average temperature varying between 59.7°F (15.4°C) and 75.9°F (24.4°C). June's arrival brings a temperature shift, moving from a refreshing 66.4°F (19.1°C) in May to a moderately hot 75.9°F (24.4°C). Weather in June »
Weather in July
July, like June, in Forest Lake, Illinois, is a moderately hot summer month, with an average temperature varying between 80.6°F (27°C) and 64.9°F (18.3°C). Forest Lake's warmest temperatures are experienced in July, with average high temperatures of 80.6°F (27°C) and lows of 64.9°F (18.3°C). The heat index in July is estimated at a hot 86°F (30°C). Weather in July »
Weather in August
August, the last month of the summer in Forest Lake, is another warm month, with an average temperature ranging between min 63.5°F (17.5°C) and max 79.3°F (26.3°C). The advent of August brings an average high-temperature of a still warm 79.3°F (26.3°C), almost identical to the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Forest Lake, Illinois, with an average temperature varying between 72.9°F (22.7°C) and 57.2°F (14°C). The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a warm 79.3°F (26.3°C) in August to an agreeable 72.9°F (22.7°C). Weather in September »
Weather in October
October, the same as September, in Forest Lake, Illinois, is another refreshing autumn month, with an average temperature ranging between min 45.3°F (7.4°C) and max 59.5°F (15.3°C). October's onset corresponds with a shift in the average high-temperature, moving from an agreeable 72.9°F (22.7°C) in September to a refreshing 59.5°F (15.3°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Forest Lake, Illinois, with an average temperature ranging between min 33.1°F (0.6°C) and max 45.1°F (7.3°C). November signals a clear temperature drop, with average high-temperatures decreasing from October's mild 59.5°F (15.3°C) to a chilly 45.1°F (7.3°C). Weather in November »
Weather in December
December, the first month of the winter in Forest Lake, is also a wintry month, with temperature in the range of an average low of 23.9°F (-4.5°C) and an average high of 33.4°F (0.8°C). December ushers in a slight temperature change, with average high-temperatures reducing from November's frosty 45.1°F (7.3°C) to an icy 33.4°F (0.8°C). Weather in December »
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Forest Lake?
With average temperatures fluctuating between a high of 27.7°F (-2.4°C) and a low of 16.3°F (-8.7°C), January stands out as the coldest month.
What is the most humid month?
The months with the highest humidity are January and February, with an average relative humidity of 83%.
How many days does it rain?
In Forest Lake, during the entire year, the rain falls for 163.1 days and collects up to 32.24" (819mm) of precipitation.
When does it snow?
Months with snowfall are January through May, October through December.
How much does it snow?
Throughout the year, there are 55.5 snowfall days, and 22.95" (583mm) of snow is accumulated.
What is the month with the least sunshine in Forest Lake?
The month with the least sunshine is January, with an average of 3.7h of sunshine.
What is the month with the lowest UV index?
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
When does it snow the most?
The month with the most snowfall is February, when snow falls for 12.8 days and typically aggregates up to 6.22" (158mm) of snow.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Forest Lake, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
What is the rainiest month?
June is the month with the most rainfall. Rain falls for 18.8 days and accumulates 4.13" (105mm) of precipitation.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
The month with the longest days is June, with an average of 15h and 12min of daylight.
What are the warmest months?
July stands out as Forest Lake's warmest month, with temperatures ranging between an average high of 80.6°F (27°C) and a low of 64.9°F (18.3°C).
What is the month with the most sunshine?
July and August, with an average of 10.1h of sunshine, are months with the most sunshine.
When is the highest UV index?
The months with the highest UV index are July and August, with an average maximum UV index of 6.
What is the least humid month in Forest Lake?
The least humid month is October, with an average relative humidity of 74%.
What is the driest month?
The month with the least rainfall is November, when the rain falls for 9.4 days and typically collects 1.61" (41mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days in Forest Lake is December, with an average of 9h and 12min of daylight.
Average temperature
Forest Lake, IL
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (27.7°F).
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure
Forest Lake, IL
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Forest Lake, IL
- Average wind speed in January:
10.1mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.5mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.2mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7.3mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.3mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity
Forest Lake, IL
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Forest Lake, IL
- Average rainfall in January:
1.77" - Average rainfall in February:
1.85" - Average rainfall in March:
2.01" - Average rainfall in April:
3.86" - Average rainfall in May:
4.06" - Average rainfall in June:
4.13"
- Average rainfall in July:
3.27" - Average rainfall in August:
3.11" - Average rainfall in September:
2.2" - Average rainfall in October:
2.72" - Average rainfall in November:
1.61" - Average rainfall in December:
1.65"
The wettest month (with the highest rainfall) is June (4.13").
The driest month (with the least rainfall) is November (1.61").
Average rainfall days
Forest Lake, IL
- Average rainfall days in January:
6.7 days - Average rainfall days in February:
5.7 days - Average rainfall days in March:
13 days - Average rainfall days in April:
17.2 days - Average rainfall days in May:
20 days - Average rainfall days in June:
18.8 days
- Average rainfall days in July:
18.6 days - Average rainfall days in August:
16.9 days - Average rainfall days in September:
13.4 days - Average rainfall days in October:
14.6 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
8.8 days
The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (5.7 days).
Average snowfall
Forest Lake, IL
- Average snowfall in January:
6.14" - Average snowfall in February:
6.22" - Average snowfall in March:
2.17" - Average snowfall in April:
2.56" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is February (6.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Forest Lake, IL
- Average snowfall days in January:
15.5 days - Average snowfall days in February:
12.8 days - Average snowfall days in March:
7.8 days - Average snowfall days in April:
2.3 days - Average snowfall days in May:
0.2 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.5 days - Average snowfall days in November:
4.7 days - Average snowfall days in December:
11.7 days
The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Forest Lake, IL
- Average daylight in January:
9h and 3min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
3h and 4min - Average sunshine in February:
3h and 5min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 3min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Forest Lake, IL
- Average sunshine days in January:
12.2 days - Average sunshine days in February:
10.5 days - Average sunshine days in March:
12.5 days - Average sunshine days in April:
9 days - Average sunshine days in May:
8.5 days - Average sunshine days in June:
8.4 days
- Average sunshine days in July:
9.3 days - Average sunshine days in August:
11.2 days - Average sunshine days in September:
13.4 days - Average sunshine days in October:
13.7 days - Average sunshine days in November:
15.5 days - Average sunshine days in December:
13.9 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is June (8.4 days).
Average UV index
Forest Lake, IL
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Forest Lake, IL
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 31).
Average visibility
Forest Lake, IL
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Forest Lake, Illinois, USA
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