Climate and monthly weather forecastWest Amana, IA
Climate and monthly weather forecast
Weather in January
January, the same as December, in West Amana, Iowa, is a freezing cold winter month, with temperature in the range of an average high of 27°F (-2.8°C) and an average low of 14.4°F (-9.8°C). West Amana experiences its lowest temperatures in January, with an average peak of 27°F (-2.8°C) and a low of 14.4°F (-9.8°C). Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in West Amana, Iowa, with an average temperature ranging between min 18°F (-7.8°C) and max 30.9°F (-0.6°C). The beginning of February records an average high-temperature of a still subzero cold 30.9°F (-0.6°C), almost echoing the conditions of the previous month. Weather in February »Weather in March
March, the first month of the spring in West Amana, is a chilly month, with an average temperature ranging between max 45.9°F (7.7°C) and min 31.5°F (-0.3°C). As February transitions into March, a clear upsurge in temperatures is observed, with average highs advancing from a subzero cold 30.9°F (-0.6°C) to a chilly 45.9°F (7.7°C). Weather in March »Weather in April
April is a mild spring month in West Amana, Iowa, with an average temperature fluctuating between 58.1°F (14.5°C) and 41.4°F (5.2°C). April sees a rise in the average high-temperature, climbing from a chilly 45.9°F (7.7°C) in March to a moderate 58.1°F (14.5°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in West Amana, Iowa, with an average temperature varying between 52.3°F (11.3°C) and 69.1°F (20.6°C). In West Amana, the onset of May comes with an increased average high-temperature, moving from April's moderate 58.1°F (14.5°C) to an agreeable 69.1°F (20.6°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in West Amana, Iowa, with an average temperature fluctuating between 78.1°F (25.6°C) and 61.9°F (16.6°C). A shift in the average high-temperature is noticeable in June, changing from a pleasant 69.1°F (20.6°C) in May to a moderately hot 78.1°F (25.6°C). Weather in June »Weather in July
July, like June, in West Amana, Iowa, is a moderately hot summer month, with temperature in the range of an average low of 64.8°F (18.2°C) and an average high of 81°F (27.2°C). July, recording an average high temperature of 81°F (27.2°C) and a low temperature of 64.8°F (18.2°C), is West Amana's warmest month. The heat index value during July is calculated to be a hot 87.8°F (31°C). Weather in July »Weather in August
August, the last month of the summer in West Amana, is also a moderately hot month, with temperature in the range of an average high of 79.7°F (26.5°C) and an average low of 62.1°F (16.7°C). The beginning of August records an average high-temperature of a still warm 79.7°F (26.5°C), marking a negligible difference from July's 81°F (27.2°C). Weather in August »Weather in September
September, the first month of the autumn in West Amana, is still a warm month, with an average temperature ranging between min 55.2°F (12.9°C) and max 74.8°F (23.8°C). September's presence marks an average high-temperature of a still moderately hot 74.8°F (23.8°C), subtly varied from August's 79.7°F (26.5°C). Weather in September »Weather in October
October, like September, is a moderate autumn month in West Amana, Iowa, with an average temperature fluctuating between 60.1°F (15.6°C) and 44.4°F (6.9°C). As West Amana, Iowa, transitions into October, a marked decrease in the average high-temperature is observed, dropping from a moderately hot 74.8°F (23.8°C) in September to a refreshing 60.1°F (15.6°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in West Amana, Iowa, with an average temperature fluctuating between 46°F (7.8°C) and 32.2°F (0.1°C). During the transition into November, West Amana observes a decrease in the average high-temperature, falling from a moderate 60.1°F (15.6°C) in October to a frosty 46°F (7.8°C). Weather in November »Weather in December
December, the first month of the winter in West Amana, is also a wintry month, with temperature in the range of an average high of 33.4°F (0.8°C) and an average low of 22.5°F (-5.3°C). Stepping into December, West Amana observes a temperature decline, with the average high falling from November's frosty 46°F (7.8°C) to an icy 33.4°F (0.8°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
West Amana, IA
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (27°F).
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure
West Amana, IA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.07"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:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.09"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
West Amana, IA
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.5mph - Average wind speed in April:
10.7mph - Average wind speed in May:
9.1mph - Average wind speed in June:
8mph
- Average wind speed in July:
7mph - Average wind speed in August:
7mph - Average wind speed in September:
8mph - Average wind speed in October:
9.7mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.1mph
The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity
West Amana, IA
The months with the highest relative humidity are January, February and July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall
West Amana, IA
- Average rainfall in January:
1.14" - Average rainfall in February:
1.26" - Average rainfall in March:
1.97" - Average rainfall in April:
3.19" - Average rainfall in May:
4.33" - Average rainfall in June:
4.17"
- Average rainfall in July:
3.23" - Average rainfall in August:
2.28" - Average rainfall in September:
2.76" - Average rainfall in October:
2.24" - Average rainfall in November:
1.57" - Average rainfall in December:
1.46"
The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days
West Amana, IA
- Average rainfall days in January:
4.9 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
10.7 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
18.6 days - Average rainfall days in June:
18.8 days
- Average rainfall days in July:
16.5 days - Average rainfall days in August:
14.1 days - Average rainfall days in September:
12.4 days - Average rainfall days in October:
11.2 days - Average rainfall days in November:
8.6 days - Average rainfall days in December:
6.4 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (4.3 days).
Average snowfall
West Amana, IA
The month with the highest snowfall is January (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
West Amana, IA
- Average snowfall days in January:
9.4 days - Average snowfall days in February:
9.7 days - Average snowfall days in March:
5.5 days - Average snowfall days in April:
1.5 days - Average snowfall days in May:
0.1 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:
0.5 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
7.7 days
The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
West Amana, IA
- Average daylight in January:
9h and 36min - 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 and 6min - Average sunshine in February:
4h and 12min - Average sunshine in March:
6h and 18min - Average sunshine in April:
7h and 48min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
9h and 54min - Average sunshine in August:
9h and 48min - Average sunshine in September:
9h and 18min - Average sunshine in October:
5h and 24min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 30min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
West Amana, IA
- Average sunshine days in January:
18.3 days - Average sunshine days in February:
15.4 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
12 days - Average sunshine days in May:
9.9 days - Average sunshine days in June:
9.6 days
- Average sunshine days in July:
10.4 days - Average sunshine days in August:
13.7 days - Average sunshine days in September:
15.8 days - Average sunshine days in October:
18 days - Average sunshine days in November:
18 days - Average sunshine days in December:
17.8 days
The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is June (9.6 days).
Average UV index
West Amana, IA
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
West Amana, IA
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility
West Amana, IA
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).





