Climate and monthly weather forecastReadlyn, IA
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Readlyn, Iowa, with temperature in the range of an average high of 23.9°F (-4.5°C) and an average low of 11.3°F (-11.5°C). Readlyn, Iowa, notes the coldest temperatures in January, with a high average of 23.9°F (-4.5°C) and a low of 11.3°F (-11.5°C). Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Readlyn, Iowa, with an average temperature fluctuating between 14.5°F (-9.7°C) and 27.9°F (-2.3°C). Readlyn experiences a recorded average high-temperature of a still subzero cold 27.9°F (-2.3°C) in February, closely aligned with January's 23.9°F (-4.5°C). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Readlyn, Iowa, with an average temperature varying between 43.2°F (6.2°C) and 29.1°F (-1.6°C). The shift into March is marked by a noticeable escalation in the average high-temperature, rising from February's subzero cold 27.9°F (-2.3°C) to a chilly 43.2°F (6.2°C). Weather in March »Weather in April
April in Readlyn, Iowa, is a mild spring month, with an average temperature ranging between max 56.1°F (13.4°C) and min 39.7°F (4.3°C). The arrival of April sees a shift in the average high-temperature, moving from a chilly 43.2°F (6.2°C) in March to a mild 56.1°F (13.4°C). Weather in April »Weather in May
May, the last month of the spring in Readlyn, is a pleasant month, with temperature in the range of an average high of 68°F (20°C) and an average low of 51.4°F (10.8°C). The arrival of May sees a shift in the average high-temperature, moving from a mild 56.1°F (13.4°C) in April to an agreeable 68°F (20°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Readlyn, Iowa, with temperature in the range of an average low of 60.8°F (16°C) and an average high of 77°F (25°C). In Readlyn, the average high-temperature in June increases from an agreeable 68°F (20°C) in May to a moderately hot 77°F (25°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Readlyn, Iowa, with an average temperature fluctuating between 79.7°F (26.5°C) and 63.1°F (17.3°C). July is the warmest month, exhibiting average temperatures of 79.7°F (26.5°C) at the peak and 63.1°F (17.3°C) at the base. Weather in July »Weather in August
August, the last month of the summer in Readlyn, is another warm month, with an average temperature fluctuating between 60.4°F (15.8°C) and 78.4°F (25.8°C). The average high-temperature is a still warm 78.4°F (25.8°C) in August, hardly different from the 79.7°F (26.5°C) recorded in July. Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in Readlyn, Iowa, with temperature in the range of an average high of 72.9°F (22.7°C) and an average low of 54°F (12.2°C). September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a warm 78.4°F (25.8°C) in August to a pleasant 72.9°F (22.7°C). Weather in September »Weather in October
October, the same as September, in Readlyn, Iowa, is a moderate autumn month, with an average temperature fluctuating between 43.2°F (6.2°C) and 58.3°F (14.6°C). October's arrival signals a significant decrease in average high-temperatures, falling from September's agreeable 72.9°F (22.7°C) to a refreshing 58.3°F (14.6°C). Weather in October »Weather in November
November, the last month of the autumn in Readlyn, is another chilly month, with an average temperature varying between 43.7°F (6.5°C) and 30.9°F (-0.6°C). A clear reduction in the average high-temperature is witnessed with the onset of November, reducing from a refreshing 58.3°F (14.6°C) in October to a frosty 43.7°F (6.5°C). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Readlyn, Iowa, with temperature in the range of an average high of 30.4°F (-0.9°C) and an average low of 19.9°F (-6.7°C). A moderate decline in the average high-temperature is seen during December, decreasing from a frosty 43.7°F (6.5°C) in November to a subzero cold 30.4°F (-0.9°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Readlyn, IA
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (23.9°F).
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).
Average pressure
Readlyn, IA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Readlyn, IA
- Average wind speed in January:
10.5mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.7mph - Average wind speed in May:
9.3mph - Average wind speed in June:
8.1mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
7mph - Average wind speed in September:
8.2mph - Average wind speed in October:
9.8mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.1mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity
Readlyn, IA
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Readlyn, IA
- Average rainfall in January:
0.98" - Average rainfall in February:
1.06" - Average rainfall in March:
1.69" - Average rainfall in April:
3.03" - Average rainfall in May:
4.06" - Average rainfall in June:
4.09"
- Average rainfall in July:
2.72" - Average rainfall in August:
1.89" - Average rainfall in September:
2.36" - Average rainfall in October:
2.6" - Average rainfall in November:
1.46" - Average rainfall in December:
1.34"
The wettest month (with the highest rainfall) is June (4.09").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days
Readlyn, IA
- Average rainfall days in January:
3.9 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
9.7 days - Average rainfall days in April:
14.9 days - Average rainfall days in May:
17 days - Average rainfall days in June:
17.6 days
- Average rainfall days in July:
14.6 days - Average rainfall days in August:
12.6 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
10.7 days - Average rainfall days in November:
8.9 days - Average rainfall days in December:
6.3 days
The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is January (3.9 days).
Average snowfall
Readlyn, IA
- Average snowfall in January:
4.45" - Average snowfall in February:
4.06" - Average snowfall in March:
2.17" - Average snowfall in April:
1.38" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is January (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Readlyn, IA
- Average snowfall days in January:
11.8 days - Average snowfall days in February:
10.3 days - Average snowfall days in March:
5.9 days - Average snowfall days in April:
2 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:
0.8 days - Average snowfall days in November:
4.2 days - Average snowfall days in December:
10.4 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Readlyn, IA
- Average daylight in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 18min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
3h and 48min - Average sunshine in February:
4h and 0min - Average sunshine in March:
6h and 12min - Average sunshine in April:
7h and 36min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 48min - Average sunshine in September:
9h and 12min - Average sunshine in October:
5h and 24min - Average sunshine in November:
5h and 12min - Average sunshine in December:
4h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Readlyn, IA
- Average sunshine days in January:
16.5 days - Average sunshine days in February:
15.2 days - Average sunshine days in March:
15.1 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
12.5 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
16.1 days - Average sunshine days in September:
16.9 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
17.5 days
The months with the most sunshine days are October, November and December (17.5 days).
The month with the least sunshine days is June (10.8 days).
Average UV index
Readlyn, IA
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Readlyn, IA
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility
Readlyn, IA
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).





