Climate and monthly weather forecastLanyon, IA
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Lanyon, Iowa, with an average temperature varying between 13.5°F (-10.3°C) and 26.8°F (-2.9°C). Lanyon's coldest month, January, generally records average temperatures ranging from a high of 26.8°F (-2.9°C) to a low of 13.5°F (-10.3°C). Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Lanyon, Iowa, with an average temperature ranging between min 16.9°F (-8.4°C) and max 30.6°F (-0.8°C). The shift to February signals an average high-temperature of a still freezing cold 30.6°F (-0.8°C), subtly varied from January's 26.8°F (-2.9°C). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Lanyon, Iowa, with an average temperature ranging between max 45.7°F (7.6°C) and min 30.9°F (-0.6°C). The start of March signals a clear increase in the average high-temperature, soaring from a freezing cold 30.6°F (-0.8°C) in February to a chilly 45.7°F (7.6°C). Weather in March »Weather in April
April in Lanyon, Iowa, is a mild spring month, with an average temperature ranging between min 41.9°F (5.5°C) and max 58.6°F (14.8°C). April brings a rise in the average high-temperature, transitioning from March's chilly 45.7°F (7.6°C) to a moderate 58.6°F (14.8°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Lanyon, Iowa, with an average temperature ranging between min 52.9°F (11.6°C) and max 69.4°F (20.8°C). The arrival of May brings a temperature shift, with the average high-temperature escalating from a moderate 58.6°F (14.8°C) in April to a pleasant 69.4°F (20.8°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Lanyon, Iowa, with an average temperature fluctuating between 62.2°F (16.8°C) and 79.2°F (26.2°C). The start of June signals an increase in the average high-temperature, moving from a pleasant 69.4°F (20.8°C) in May to a warm 79.2°F (26.2°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Lanyon, Iowa, with an average temperature varying between 81.5°F (27.5°C) and 64.4°F (18°C). In Lanyon, the peak temperatures are generally noted in July, averaging a high of 81.5°F (27.5°C) and a low of 64.4°F (18°C). During July, the heat index is calculated to be a tropical 87.8°F (31°C). Weather in July »Weather in August
August, the last month of the summer in Lanyon, is also a moderately hot month, with temperature in the range of an average low of 61.3°F (16.3°C) and an average high of 80.2°F (26.8°C). The start of August sees the average high-temperature at a still warm 80.2°F (26.8°C), showing little difference from July's 81.5°F (27.5°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Lanyon, Iowa, with an average temperature fluctuating between 55.9°F (13.3°C) and 74.8°F (23.8°C). September brings a slight decrease in temperature, down from a warm 80.2°F (26.8°C) in August to a still moderately hot 74.8°F (23.8°C). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Lanyon, Iowa, with an average temperature ranging between min 44.1°F (6.7°C) and max 59.9°F (15.5°C). Lanyon's transition into October is marked by a clear temperature shift, receding from a moderately hot 74.8°F (23.8°C) in September to a mild 59.9°F (15.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Lanyon, Iowa, with an average temperature varying between 32.4°F (0.2°C) and 45.5°F (7.5°C). The transition from October to November brings a clear temperature drop, with average high-temperatures decreasing from a mild 59.9°F (15.5°C) to a chilly 45.5°F (7.5°C). Weather in November »Weather in December
December, the first month of the winter in Lanyon, is also an icy month, with an average temperature fluctuating between 32°F (0°C) and 21°F (-6.1°C). Lanyon's average high-temperature decreases in December, falling from a chilly 45.5°F (7.5°C) in November to an icy 32°F (0°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Lanyon, IA
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (26.8°F).
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure
Lanyon, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
Lanyon, IA
- Average wind speed in January:
10.4mph - 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:
9.1mph - Average wind speed in June:
8.3mph
- Average wind speed in July:
7mph - Average wind speed in August:
7.1mph - Average wind speed in September:
8.2mph - Average wind speed in October:
9.6mph - Average wind speed in November:
10.3mph - 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 July (7mph).
Average humidity
Lanyon, IA
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (69%).
Average rainfall
Lanyon, IA
- Average rainfall in January:
0.91" - Average rainfall in February:
1.02" - Average rainfall in March:
1.61" - Average rainfall in April:
2.8" - Average rainfall in May:
4.06" - Average rainfall in June:
3.94"
- Average rainfall in July:
2.24" - Average rainfall in August:
2.44" - Average rainfall in September:
3.03" - Average rainfall in October:
2.28" - Average rainfall in November:
1.22" - Average rainfall in December:
1.3"
The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days
Lanyon, IA
- Average rainfall days in January:
3.8 days - Average rainfall days in February:
3.3 days - Average rainfall days in March:
10.2 days - Average rainfall days in April:
14.5 days - Average rainfall days in May:
16.1 days - Average rainfall days in June:
16.7 days
- Average rainfall days in July:
14.5 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
9.8 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
4.8 days
The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is February (3.3 days).
Average snowfall
Lanyon, IA
The month with the highest snowfall is January (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Lanyon, IA
- Average snowfall days in January:
10.3 days - Average snowfall days in February:
8.6 days - Average snowfall days in March:
5.2 days - Average snowfall days in April:
1.5 days - Average snowfall days in May:
0.3 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:
0.7 days - Average snowfall days in November:
3.2 days - Average snowfall days in December:
8 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Lanyon, 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 12min
- Average daylight in July:
14h and 54min - 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 48min - Average daylight in December:
9h and 12min
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:
4h - Average sunshine in February:
4h and 42min - Average sunshine in March:
5h and 54min - Average sunshine in April:
7h and 48min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
10h - Average sunshine in August:
9h and 36min - Average sunshine in September:
9h and 12min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 36min
The month with the most sunshine is July (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 4h).
Average sunshine days
Lanyon, IA
- Average sunshine days in January:
18.1 days - Average sunshine days in February:
16.3 days - Average sunshine days in March:
16 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
13.4 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
14.7 days - Average sunshine days in August:
16.1 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
19 days - Average sunshine days in November:
18.9 days - Average sunshine days in December:
18.1 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is June (11.8 days).
Average UV index
Lanyon, IA
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover
Lanyon, IA
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and September (Cloud cover 31).
Average visibility
Lanyon, 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).





