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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, the same as December, in Blue Grass, Iowa, is a freezing cold winter month, with temperature in the range of an average high of 27.7°F (-2.4°C) and an average low of 15.3°F (-9.3°C). January, on average, is the coldest month, registering a high temperature of 27.7°F (-2.4°C) and a low of 15.3°F (-9.3°C). Weather in January »
Weather in February
The last month of the winter, February, is a wintry month in Blue Grass, Iowa, with an average temperature ranging between max 32°F (0°C) and min 19°F (-7.2°C). With the advent of February, Blue Grass's high-temperatures adjust to an icy 32°F (0°C), closely aligning with the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Blue Grass, Iowa, with an average temperature varying between 31.5°F (-0.3°C) and 46.4°F (8°C). A noticeable upsurge in temperatures is seen as February gives way to March, with average highs moving from a cold 32°F (0°C) to a chilly 46.4°F (8°C). Weather in March »
Weather in April
April in Blue Grass, Iowa, is a mild spring month, with an average temperature fluctuating between 42.3°F (5.7°C) and 58.3°F (14.6°C). The shift into April brings an increase in the average high-temperature, moving from a frosty 46.4°F (8°C) in March to a moderate 58.3°F (14.6°C). Weather in April »
Weather in May
May, the last month of the spring in Blue Grass, is an agreeable month, with an average temperature ranging between max 69.4°F (20.8°C) and min 53.2°F (11.8°C). In May, the average high-temperature increases from a moderate 58.3°F (14.6°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 Blue Grass, Iowa, with an average temperature ranging between max 78.8°F (26°C) and min 61.9°F (16.6°C). As Blue Grass transitions into June, the average high-temperature is observed to rise from an agreeable 69.4°F (20.8°C) in May to a warm 78.8°F (26°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Blue Grass, Iowa, with an average temperature ranging between max 81.1°F (27.3°C) and min 64.6°F (18.1°C). With average high temperatures of 81.1°F (27.3°C) and lows of 64.6°F (18.1°C), July is the warmest month. In July, the heat index is estimated at a hot 87.8°F (31°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Blue Grass, Iowa, with temperature in the range of an average low of 62.6°F (17°C) and an average high of 80.4°F (26.9°C). The average high-temperature during August registers at a still moderately hot 80.4°F (26.9°C), maintaining a close resemblance to the previous month. Weather in August »
Weather in September
September, the first month of the autumn in Blue Grass, is still a warm month, with an average temperature ranging between max 75.2°F (24°C) and min 55.8°F (13.2°C). Blue Grass notes an average high-temperature of a still moderately hot 75.2°F (24°C) in September, displaying minor variation from August. Weather in September »
Weather in October
October, like September, in Blue Grass, Iowa, is another comfortable autumn month, with an average temperature ranging between max 60.8°F (16°C) and min 44.8°F (7.1°C). Blue Grass's transition into October marks a considerable drop in the average high-temperature, moving down from a warm 75.2°F (24°C) in September to a comfortable 60.8°F (16°C). Weather in October »
Weather in November
November, the last month of the autumn in Blue Grass, is also a frosty month, with an average temperature varying between 32.9°F (0.5°C) and 46.4°F (8°C). November is characterized by a clear drop in the average high-temperature, falling from October's refreshing 60.8°F (16°C) to a frosty 46.4°F (8°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Blue Grass, Iowa, with an average temperature varying between 34°F (1.1°C) and 23.2°F (-4.9°C). Blue Grass's December weather shows a moderate shift in high-temperatures, falling from November's frosty 46.4°F (8°C) to a cold 34°F (1.1°C). Weather in December »
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
Blue Grass's January weather, with an average high temperature of 27.7°F (-2.4°C) and an average low temperature of 15.3°F (-9.3°C), tends to be the coldest of the year.
What is the most humid month?
With an average relative humidity of 84%, January is the most humid month.
How much does it rain?
Throughout the year, there are 151.1 rainfall days, and 31.14" (791mm) of precipitation is accumulated.
When does it snow?
January through April, October through December are months with snowfall.
What is the snowiest month?
January is the month with the most snowfall. Snow falls for 11.6 days and accumulates 4.88" (124mm) of snow.
How many days does it snow?
Throughout the year, there are 39.2 snowfall days, and 16.54" (420mm) of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 4h of sunshine.
When is the lowest UV index?
The months with the lowest UV index in Blue Grass are January and December, with an average maximum UV index of 1.
What is the driest month?
February is the month with the least rainfall. Rain falls for 5.4 days and accumulates 1.38" (35mm) of precipitation.
When is Daylight Saving Time (DST)?
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.
What is the wettest month?
May is the month with the most rainfall. Rain falls for 19.6 days and accumulates 5" (127mm) of precipitation.
When it does not snow?
May through September are months without snowfall.
When are the longest days?
The month with the longest days is June, with an average of 15h and 6min of daylight.
What is the warmest month?
Blue Grass's July weather reaches an average high of 81.1°F (27.3°C) and an average low of 64.6°F (18.1°C), making it the warmest month.
What month has the most sunshine?
With an average of 10.1h of sunshine, July has the most sunshine of the year.
When is the highest UV index?
The month with the highest UV index is July, with an average maximum UV index of 6.
What is the least humid month?
With an average relative humidity of 72%, October is the least humid month.
What is the month with the shortest days?
The month with the shortest days in Blue Grass is December, with an average of 9h and 12min of daylight.
Average temperature
Blue Grass, IA
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (27.7°F).
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure
Blue Grass, IA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.9"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:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Blue Grass, IA
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.6mph - Average wind speed in May:
8.9mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.7mph - Average wind speed in September:
7.8mph - Average wind speed in October:
9.5mph - Average wind speed in November:
10.3mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity
Blue Grass, IA
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Blue Grass, IA
- Average rainfall in January:
1.42" - Average rainfall in February:
1.38" - Average rainfall in March:
2.01" - Average rainfall in April:
3.46" - Average rainfall in May:
5" - Average rainfall in June:
4.13"
- Average rainfall in July:
3.23" - Average rainfall in August:
2.24" - Average rainfall in September:
2.36" - Average rainfall in October:
2.6" - Average rainfall in November:
1.85" - Average rainfall in December:
1.46"
The wettest month (with the highest rainfall) is May (5").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days
Blue Grass, IA
- Average rainfall days in January:
4.6 days - Average rainfall days in February:
5.4 days - Average rainfall days in March:
12 days - Average rainfall days in April:
17 days - Average rainfall days in May:
19.6 days - Average rainfall days in June:
19 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
15.1 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
12.4 days - Average rainfall days in November:
9.2 days - Average rainfall days in December:
7 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (4.6 days).
Average snowfall
Blue Grass, IA
The month with the highest snowfall is January (4.88").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Blue Grass, IA
- Average snowfall days in January:
11.6 days - Average snowfall days in February:
9.4 days - Average snowfall days in March:
5.2 days - Average snowfall days in April:
1.1 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:
0.5 days - Average snowfall days in November:
2.8 days - Average snowfall days in December:
8.6 days
The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Blue Grass, IA
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
4h and 1min - Average sunshine in March:
6h and 3min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
Blue Grass, IA
- Average sunshine days in January:
16.2 days - Average sunshine days in February:
15 days - Average sunshine days in March:
14.9 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
8.3 days - Average sunshine days in June:
8.3 days
- Average sunshine days in July:
9.3 days - Average sunshine days in August:
12.9 days - Average sunshine days in September:
15.8 days - Average sunshine days in October:
16.9 days - Average sunshine days in November:
17.2 days - Average sunshine days in December:
17.4 days
The month with the most sunshine days is December (17.4 days).
The months with the least sunshine days are May and June (8.3 days).
Average UV index
Blue Grass, IA
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
Blue Grass, IA
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility
Blue Grass, IA
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).