Climate and monthly weather forecastAstoria, IL
Climate and monthly weather forecast
Weather in January
January, like December, in Astoria, Illinois, is an icy winter month, with an average temperature varying between 20.3°F (-6.5°C) and 32.4°F (0.2°C). The coldest month is January, with an average high-temperature of 32.4°F (0.2°C) and an average low-temperature of 20.3°F (-6.5°C). Weather in January »Weather in February
February, the last month of the winter in Astoria, is also an icy month, with an average temperature ranging between max 37.4°F (3°C) and min 23.9°F (-4.5°C). Astoria's February reports an average high-temperature of a still cold 37.4°F (3°C), exhibiting a minor difference from January. Weather in February »Weather in March
The first month of the spring, March, is a cool month in Astoria, Illinois, with an average temperature fluctuating between 35.2°F (1.8°C) and 50.5°F (10.3°C). March brings a rise in the average high-temperature, transitioning from February's cold 37.4°F (3°C) to a fresh 50.5°F (10.3°C). Weather in March »Weather in April
April in Astoria, Illinois, is an enjoyable spring month, with an average temperature ranging between max 62.2°F (16.8°C) and min 45°F (7.2°C). The arrival of April sees a shift in the average high-temperature, moving from a fresh 50.5°F (10.3°C) in March to an enjoyable 62.2°F (16.8°C). Weather in April »Weather in May
May, the last month of the spring in Astoria, is an agreeable month, with an average temperature fluctuating between 72.1°F (22.3°C) and 55.4°F (13°C). Astoria experiences a temperature shift with the start of May, with average high-temperatures moving from a comfortable 62.2°F (16.8°C) in April to an agreeable 72.1°F (22.3°C). Weather in May »Weather in June
June, the first month of the summer in Astoria, is a warm month, with temperature in the range of an average low of 64°F (17.8°C) and an average high of 80.8°F (27.1°C). In Astoria, the onset of June comes with a modest high-temperature shift, transitioning from May's agreeable 72.1°F (22.3°C) to a warm 80.8°F (27.1°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Astoria, Illinois, with temperature in the range of an average low of 66.4°F (19.1°C) and an average high of 83.1°F (28.4°C). Astoria experiences its highest temperatures in July, with an average peak of 83.1°F (28.4°C) and a low of 66.4°F (19.1°C). For most parts of July, the heat index is computed to be a tropical 91.4°F (33°C). Weather in July »Weather in August
August, the last month of the summer in Astoria, is another warm month, with an average temperature varying between 64.2°F (17.9°C) and 82.9°F (28.3°C). At the start of August, Astoria's average high-temperature reaches a still moderately hot 82.9°F (28.3°C), subtly different from the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Astoria, is still a warm month, with an average temperature fluctuating between 77.5°F (25.3°C) and 58.1°F (14.5°C). September signals a slight drop in average high-temperature, sliding from August's moderately hot 82.9°F (28.3°C) to a still warm 77.5°F (25.3°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Astoria, Illinois, with temperature in the range of an average high of 63.5°F (17.5°C) and an average low of 46.9°F (8.3°C). As October begins, there is a decrease in the average high-temperature, falling from a warm 77.5°F (25.3°C) in September to an enjoyable 63.5°F (17.5°C). Weather in October »Weather in November
November, the last month of the autumn in Astoria, is also a frosty month, with an average temperature varying between 49.6°F (9.8°C) and 35.4°F (1.9°C). November indicates a shift in the average high-temperature, from October's enjoyable 63.5°F (17.5°C) to a frosty 49.6°F (9.8°C). Weather in November »Weather in December
December, the first month of the winter in Astoria, is still a cold month, with an average temperature varying between 38.3°F (3.5°C) and 26.6°F (-3°C). In the transition to December, Astoria observes a drop in the average high-temperature, moving from a chilly 49.6°F (9.8°C) in November to a cold 38.3°F (3.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Astoria, IL
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (32.4°F).
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure
Astoria, IL
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Astoria, IL
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.1mph - Average wind speed in March:
10mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.4mph - Average wind speed in June:
7.4mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.4mph - Average wind speed in September:
7.2mph - Average wind speed in October:
8.9mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.7mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity
Astoria, IL
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Astoria, IL
- Average rainfall in January:
1.5" - Average rainfall in February:
1.61" - Average rainfall in March:
2.4" - Average rainfall in April:
3.39" - Average rainfall in May:
4.02" - Average rainfall in June:
3.23"
- Average rainfall in July:
2.36" - Average rainfall in August:
2.24" - Average rainfall in September:
2.83" - Average rainfall in October:
2.56" - Average rainfall in November:
1.81" - Average rainfall in December:
1.46"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is December (1.46").
Average rainfall days
Astoria, IL
- Average rainfall days in January:
6 days - Average rainfall days in February:
6.5 days - Average rainfall days in March:
13.5 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
18.8 days - Average rainfall days in June:
17.1 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
14 days - Average rainfall days in September:
11.3 days - Average rainfall days in October:
11.8 days - Average rainfall days in November:
8.1 days - Average rainfall days in December:
7.4 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (6 days).
Average snowfall
Astoria, IL
The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Astoria, IL
- Average snowfall days in January:
8.3 days - Average snowfall days in February:
7.3 days - Average snowfall days in March:
3.7 days - Average snowfall days in April:
1 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:
0.1 days - Average snowfall days in November:
1.9 days - Average snowfall days in December:
5.5 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Astoria, IL
- Average daylight in January:
9h and 42min - 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 24min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
4h and 18min - Average sunshine in February:
4h and 30min - Average sunshine in March:
6h and 36min - Average sunshine in April:
8h and 12min - Average sunshine in May:
9h and 6min - Average sunshine in June:
10h and 12min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
9h and 54min - Average sunshine in September:
9h and 30min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days
Astoria, IL
- Average sunshine days in January:
17.3 days - Average sunshine days in February:
15.2 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
9.6 days - Average sunshine days in June:
9.8 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
16 days - Average sunshine days in October:
17.3 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
18.7 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (9.6 days).
Average UV index
Astoria, IL
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Astoria, IL
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility
Astoria, IL
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





