Climate and monthly weather forecastAmboy, IL

Climate and monthly weather forecast

Weather in January

January, the same as December, in Amboy, Illinois, is a freezing cold winter month, with an average temperature varying between 15.1°F (-9.4°C) and 27.5°F (-2.5°C). Amboy's coldest weather arrives in January, when temperatures average a high of 27.5°F (-2.5°C) and a low of 15.1°F (-9.4°C). Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Amboy, Illinois, with temperature in the range of an average high of 31.6°F (-0.2°C) and an average low of 18.7°F (-7.4°C). During February, Amboy observes a subtle ascent to a still subzero cold 31.6°F (-0.2°C) from January's 27.5°F (-2.5°C) in the average high-temperature. Weather in February »

Weather in March

March, the first month of the spring in Amboy, is a chilly month, with an average temperature fluctuating between 45.7°F (7.6°C) and 31.3°F (-0.4°C). Amboy's transition into March brings a rise in the average high-temperature, moving from a freezing cold 31.6°F (-0.2°C) in February to a chilly 45.7°F (7.6°C). Weather in March »

Weather in April

April in Amboy, Illinois, is a mild spring month, with an average temperature ranging between min 41°F (5°C) and max 57.6°F (14.2°C). April's onset is marked by a temperature increase, moving from a frosty 45.7°F (7.6°C) in March to a refreshing 57.6°F (14.2°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Amboy, Illinois, with an average temperature ranging between max 69.4°F (20.8°C) and min 52.3°F (11.3°C). The start of May brings a rise in the average high-temperature, moving from a refreshing 57.6°F (14.2°C) in April to a pleasant 69.4°F (20.8°C). Weather in May »

Weather in June

June, the first month of the summer in Amboy, is a moderately hot month, with an average temperature varying between 61.2°F (16.2°C) and 77.9°F (25.5°C). Amboy, Illinois, observes a slight ascent in average high-temperatures during June, adjusting from an agreeable 69.4°F (20.8°C) in May to a moderately hot 77.9°F (25.5°C). Weather in June »

Weather in July

July, like June, in Amboy, Illinois, is another warm summer month, with an average temperature fluctuating between 64°F (17.8°C) and 80.2°F (26.8°C). July brings the highest temperatures, with an average high of 80.2°F (26.8°C) and an average low of 64°F (17.8°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Amboy, Illinois, with temperature in the range of an average low of 61.7°F (16.5°C) and an average high of 78.6°F (25.9°C). With the onset of August, the average high-temperature stands at a still moderately hot 78.6°F (25.9°C), closely aligned with July's 80.2°F (26.8°C). Weather in August »

Weather in September

September, the first month of the autumn in Amboy, is also a moderately hot month, with an average temperature ranging between min 55.2°F (12.9°C) and max 73.8°F (23.2°C). The onset of September brings an average high-temperature of a still moderately hot 73.8°F (23.2°C), nearly matching the August temperature. Weather in September »

Weather in October

October, the same as September, in Amboy, Illinois, is a moderate autumn month, with an average temperature varying between 60.3°F (15.7°C) and 44.6°F (7°C). The onset of October entails a temperature shift, as the average high-temperature decreases from a warm 73.8°F (23.2°C) in September to a mild 60.3°F (15.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Amboy, is another chilly month, with an average temperature ranging between max 45.5°F (7.5°C) and min 32.7°F (0.4°C). The beginning of November signals a clear reduction in the average high-temperature, falling from a mild 60.3°F (15.7°C) in October to a frosty 45.5°F (7.5°C). Weather in November »

Weather in December

December, the first month of the winter in Amboy, is also an icy month, with an average temperature fluctuating between 34°F (1.1°C) and 23.5°F (-4.7°C). The commencement of December indicates a shift in the average high-temperature, receding from November's chilly 45.5°F (7.5°C) to a wintry 34°F (1.1°C). Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

January is the coldest month in Amboy, Illinois, with an average high-temperature of 27.5°F (-2.5°C) and an average low-temperature of 15.1°F (-9.4°C).

January and July, with an average relative humidity of 85%, are most humid months.

In Amboy, Illinois, during the entire year, the rain falls for 129.4 days and collects up to 16.65" (423mm) of precipitation.

Months with snowfall are January through April, October through December.

January is the month with the most snowfall in Amboy. Snow falls for 10.4 days and accumulates 2.32" (59mm) of snow.

Throughout the year, there are 36.1 snowfall days, and 6.97" (177mm) of snow is accumulated.

January has the least sunshine of the year, with an average of 3.8h of sunshine.

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

The month with the least rainfall in Amboy is February, when the rain falls for 4.4 days and typically collects 0.67" (17mm) of precipitation.

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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. Rain falls for 16.6 days and accumulates 2.68" (68mm) of precipitation.

In Amboy, Illinois, snow does not fall in May through September.

With an average of 15h and 12min of daylight, June has the longest days of the year in Amboy.

June and July, with an average of 9.7h of sunshine, are months with the most sunshine in Amboy.

Amboy's warmest temperatures are experienced in July, with average high temperatures of 80.2°F (26.8°C) and lows of 64°F (17.8°C).

With an average maximum UV index of 6, July is the month with the highest UV index in Amboy, Illinois.

The least humid month in Amboy, Illinois, is October, with an average relative humidity of 73%.

December has the shortest days of the year in Amboy, Illinois, with an average of 9h and 12min of daylight.

Average temperature
Amboy, IL

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.5°F).

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

Average pressure
Amboy, IL

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed
Amboy, IL

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity
Amboy, IL

The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (73%).

Average rainfall
Amboy, IL

The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is February (0.67").

Average rainfall days
Amboy, IL

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (4.3 days).

Average snowfall
Amboy, IL

The month with the highest snowfall is January (2.32").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Amboy, IL

The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Amboy, IL

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).

The months with the most sunshine are June and July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days
Amboy, IL

The months with the most sunshine days are November and December (18.8 days).
The month with the least sunshine days is June (11.1 days).

Average UV index
Amboy, IL

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover
Amboy, IL

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 31).

Average visibility
Amboy, 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).