Climate and monthly weather forecastMount Palatine, IL
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Mount Palatine, Illinois, with an average temperature fluctuating between 17.4°F (-8.1°C) and 29.3°F (-1.5°C). In Mount Palatine, the month of January registers the lowest temperatures, averaging 29.3°F (-1.5°C) at the peak and 17.4°F (-8.1°C) at the lowest. Weather in January »Weather in February
February, the last month of the winter in Mount Palatine, is an icy month, with an average temperature fluctuating between 21°F (-6.1°C) and 33.4°F (0.8°C). With the onset of February, the average high-temperature stands at a cold 33.4°F (0.8°C), closely aligned with January's 29.3°F (-1.5°C). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Mount Palatine, Illinois, with an average temperature ranging between min 33.1°F (0.6°C) and max 47.7°F (8.7°C). The average high-temperature increases in March, moving from an icy 33.4°F (0.8°C) in February to a chilly 47.7°F (8.7°C). Weather in March »Weather in April
April is a refreshing spring month in Mount Palatine, Illinois, with temperature in the range of an average high of 59.4°F (15.2°C) and an average low of 43°F (6.1°C). The onset of April brings a temperature shift, with the average high-temperature moving from a frosty 47.7°F (8.7°C) in March to a mild 59.4°F (15.2°C). Weather in April »Weather in May
May, the last month of the spring in Mount Palatine, is a pleasant month, with an average temperature ranging between max 71.1°F (21.7°C) and min 54°F (12.2°C). May's arrival sees a rise in the average high-temperature, jumping from April's moderate 59.4°F (15.2°C) to a pleasant 71.1°F (21.7°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Mount Palatine, Illinois, with an average temperature fluctuating between 62.1°F (16.7°C) and 79°F (26.1°C). Mount Palatine's transition into June sees a mild rise in the average high-temperature, edging from a pleasant 71.1°F (21.7°C) in May to a moderately hot 79°F (26.1°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Mount Palatine, Illinois, with temperature in the range of an average low of 64.6°F (18.1°C) and an average high of 81°F (27.2°C). In Mount Palatine, the highest average temperatures are observed in July, with a high of 81°F (27.2°C) and a low of 64.6°F (18.1°C). July's mean heat index is computed to be a tropical 87.8°F (31°C). Weather in July »Weather in August
August, the last month of the summer in Mount Palatine, is another warm month, with an average temperature fluctuating between 80.1°F (26.7°C) and 62.2°F (16.8°C). August begins with an average high-temperature of a still warm 80.1°F (26.7°C), reflecting close similarity to the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Mount Palatine, Illinois, with an average temperature ranging between min 56.5°F (13.6°C) and max 75°F (23.9°C). Mount Palatine's weather, upon September's arrival, documents an average high-temperature of a still moderately hot 75°F (23.9°C), nearly identical to the prior month. Weather in September »Weather in October
October, like September, in Mount Palatine, Illinois, is another comfortable autumn month, with an average temperature ranging between min 46°F (7.8°C) and max 61.7°F (16.5°C). Onset of October witnesses a reduction in the average high-temperature, falling from a warm 75°F (23.9°C) in September to an enjoyable 61.7°F (16.5°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Mount Palatine, Illinois, with an average temperature varying between 47.3°F (8.5°C) and 34°F (1.1°C). The changeover to November signals a significant decrease in the average high-temperature, dropping from a refreshing 61.7°F (16.5°C) in October to a chilly 47.3°F (8.5°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Mount Palatine, Illinois, with an average temperature varying between 35.6°F (2°C) and 25.3°F (-3.7°C). The transition into December indicates a reduction in the average high-temperature, down to an icy 35.6°F (2°C) from November's frosty 47.3°F (8.5°C). Weather in December »Updated: Feb 12, 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
Mount Palatine's January weather, with an average high temperature of 29.3°F (-1.5°C) and an average low temperature of 17.4°F (-8.1°C), tends to be the coldest of the year.
January and December are months with the least rain in Mount Palatine, Illinois, when the rain falls for 6.4 days and typically aggregates up to 1.57" (40mm) of rain.
Throughout the year, there are 151.3 rainfall days, and 30.16" (766mm) of precipitation is accumulated.
January through April, October through December are months with snowfall in Mount Palatine, Illinois.
In Mount Palatine, Illinois, during the entire year, snow falls for 36.7 days and aggregates up to 14.09" (358mm) of snow.
With an average of 3.9h of sunshine, January has the least sunshine of the year.
January is the month with the lowest UV index, with an average maximum UV index of 1.
The month with the most snowfall is February, when snow falls for 9.6 days and typically aggregates up to 3.7" (94mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Mount Palatine, 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.
May is the month with the most rainfall in Mount Palatine. Rain falls for 18.4 days and accumulates 4.41" (112mm) of precipitation.
May through September are months without snowfall in Mount Palatine.
June has the longest days of the year, with an average of 15h and 6min of daylight.
The month with the most sunshine is June, with an average of 10h of sunshine.
June and July, with an average maximum UV index of 6, are months with the highest UV index.
July is the month when Mount Palatine's temperatures reach their peak, with averages of 81°F (27.2°C) and lows of 64.6°F (18.1°C).
July is the most humid month, with an average relative humidity of 85%.
With an average relative humidity of 72%, October is the least humid month.
The month with the shortest days in Mount Palatine, Illinois, is December, with an average of 9h and 18min of daylight.
Average temperature
Mount Palatine, IL
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.3°F).
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure
Mount Palatine, IL
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.91"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:
30.01"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Mount Palatine, IL
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10.2mph - Average wind speed in April:
10.6mph - Average wind speed in May:
8.9mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10mph - Average wind speed in December:
9.7mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity
Mount Palatine, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Mount Palatine, IL
- Average rainfall in January:
1.57" - Average rainfall in February:
1.61" - Average rainfall in March:
2.17" - Average rainfall in April:
3.7" - Average rainfall in May:
4.41" - Average rainfall in June:
3.23"
- Average rainfall in July:
2.76" - Average rainfall in August:
2.24" - Average rainfall in September:
2.24" - Average rainfall in October:
2.91" - Average rainfall in November:
1.73" - Average rainfall in December:
1.57"
The wettest month (with the highest rainfall) is May (4.41").
The driest months (with the least rainfall) are January and December (1.57").
Average rainfall days
Mount Palatine, IL
- Average rainfall days in January:
6.4 days - Average rainfall days in February:
5.9 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
17 days - Average rainfall days in May:
18.4 days - Average rainfall days in June:
17.4 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
14.7 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
12.6 days - Average rainfall days in November:
9.6 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (5.9 days).
Average snowfall
Mount Palatine, IL
The month with the highest snowfall is February (3.7").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Mount Palatine, IL
- Average snowfall days in January:
11.2 days - Average snowfall days in February:
9.6 days - Average snowfall days in March:
4.8 days - Average snowfall days in April:
1.3 days - Average snowfall days in May:
0 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:
0.3 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
7 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Mount Palatine, IL
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
3h and 54min - Average sunshine in February:
4h and 6min - Average sunshine in March:
6h and 24min - Average sunshine in April:
7h and 54min - Average sunshine in May:
8h and 48min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
9h and 48min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 12min - Average sunshine in December:
4h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Mount Palatine, IL
- Average sunshine days in January:
14.8 days - Average sunshine days in February:
12.8 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
10.8 days - Average sunshine days in May:
10.7 days - Average sunshine days in June:
10.9 days
- Average sunshine days in July:
11 days - Average sunshine days in August:
14.7 days - Average sunshine days in September:
16.3 days - Average sunshine days in October:
15.9 days - Average sunshine days in November:
17.7 days - Average sunshine days in December:
16.8 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is May (10.7 days).
Average UV index
Mount Palatine, IL
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Mount Palatine, IL
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility
Mount Palatine, IL
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
