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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, like December, is another subzero cold winter month in Grant, Iowa, with an average temperature varying between 16°F (-8.9°C) and 29.3°F (-1.5°C). January, with an average high of 29.3°F (-1.5°C) and a low of 16°F (-8.9°C), signifies the coldest month of the year. Weather in January »
Weather in February
The last month of the winter, February, is a wintry month in Grant, Iowa, with an average temperature varying between 18.9°F (-7.3°C) and 33.4°F (0.8°C). The beginning of February records an average high-temperature of an icy 33.4°F (0.8°C), marking a negligible difference from January's 29.3°F (-1.5°C). Weather in February »
Weather in March
March, the first month of the spring in Grant, is a frosty month, with an average temperature ranging between min 32.7°F (0.4°C) and max 48.6°F (9.2°C). A clear escalation in the average high-temperature marks the arrival of March, surging from a cold 33.4°F (0.8°C) in February to a chilly 48.6°F (9.2°C). Weather in March »
Weather in April
April in Grant, Iowa, is a moderate spring month, with an average temperature fluctuating between 42.4°F (5.8°C) and 60.1°F (15.6°C). Entering April, Grant sees a temperature rise, with the average high-temperature advancing from March's frosty 48.6°F (9.2°C) to a moderate 60.1°F (15.6°C). Weather in April »
Weather in May
May, the last month of the spring in Grant, is an agreeable month, with an average temperature fluctuating between 70.2°F (21.2°C) and 53.1°F (11.7°C). May brings a rise in Grant's average high-temperature, moving from a refreshing 60.1°F (15.6°C) in April to an agreeable 70.2°F (21.2°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Grant, Iowa, with an average temperature varying between 79.9°F (26.6°C) and 63.3°F (17.4°C). The arrival of June signals an increase in the average high-temperature, moving from an agreeable 70.2°F (21.2°C) in May to a moderately hot 79.9°F (26.6°C). Weather in June »
Weather in July
July, like June, in Grant, Iowa, is another warm summer month, with an average temperature fluctuating between 83.3°F (28.5°C) and 65.8°F (18.8°C). July tends to be the warmest month, with temperatures averaging a daily high of 83.3°F (28.5°C) and a low of 65.8°F (18.8°C). The heat index in July is evaluated at a tropical 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Grant, is another warm month, with an average temperature fluctuating between 63°F (17.2°C) and 81.1°F (27.3°C). At the onset of August, Grant records an average high-temperature of a still moderately hot 81.1°F (27.3°C), showing little deviation from the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Grant, is still a warm month, with an average temperature fluctuating between 56.1°F (13.4°C) and 75.6°F (24.2°C). September's arrival subtly correlates with a reduction in the average high-temperature, down from a moderately hot 81.1°F (27.3°C) in August to a still warm 75.6°F (24.2°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Grant, Iowa, with temperature in the range of an average low of 44.4°F (6.9°C) and an average high of 61.3°F (16.3°C). As September transitions into October, Grant sees a drop in the average high-temperature, transitioning from a warm 75.6°F (24.2°C) to an enjoyable 61.3°F (16.3°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Grant, Iowa, with temperature in the range of an average high of 47.5°F (8.6°C) and an average low of 32.9°F (0.5°C). As Grant enters November, the average high-temperature decreases from the a comfortable 61.3°F (16.3°C) of October to a frosty 47.5°F (8.6°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Grant, Iowa, with an average temperature fluctuating between 22.1°F (-5.5°C) and 34.3°F (1.3°C). December's arrival coincides with a drop in the average high-temperature, decreasing from November's chilly 47.5°F (8.6°C) to an icy 34.3°F (1.3°C). Weather in December »
Updated: Aug 20, 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 time of the year is the coldest?
Temperature records in Grant mark January as the coldest month, with highs averaging 29.3°F (-1.5°C) and lows at 16°F (-8.9°C).
What are the most humid months in Grant?
January and June, with an average relative humidity of 81%, are most humid months.
How much does it rain?
In Grant, during the entire year, the rain falls for 115.1 days and collects up to 19.21" (488mm) of precipitation.
When does it snow?
January through April, October through December are months with snowfall.
When does it snow the most?
January is the month with the most snowfall. Snow falls for 8.4 days and accumulates 2.28" (58mm) of snow.
How many days does it snow?
In Grant, during the entire year, snow falls for 27.6 days and aggregates up to 8.15" (207mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 4.4h of sunshine.
When is the lowest UV index?
The month with the lowest UV index is January, with an average maximum UV index of 1.
What is the driest month?
February is the month with the least rainfall. Rain falls for 3 days and accumulates 0.51" (13mm) 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.
When it does not snow in Grant?
May through September are months without snowfall.
What is the wettest month?
June is the month with the most rainfall. Rain falls for 15.3 days and accumulates 3.74" (95mm) of precipitation.
When are the longest days?
June has the longest days of the year, with an average of 15h and 6min of daylight.
What are the months with the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What is the hottest time of year?
During the warmest month in Grant, July, temperatures average a high of 83.3°F (28.5°C) and a low of 65.8°F (18.8°C).
What month has the most sunshine in Grant?
July has the most sunshine of the year, with an average of 10.3h of sunshine.
What is the least humid month?
The least humid month is October, with an average relative humidity of 70%.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 18min of daylight.
Average temperature
Grant, IA
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (29.3°F).
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure
Grant, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.92"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.13"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
Grant, IA
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.5mph - Average wind speed in April:
10.5mph - Average wind speed in May:
8.8mph - Average wind speed in June:
8.2mph
- 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:
9.4mph - Average wind speed in November:
10.3mph - Average wind speed in December:
9.9mph
The windiest months (with the highest average wind speed) are March and April (10.5mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity
Grant, IA
The months with the highest relative humidity are January and June (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Grant, IA
- Average rainfall in January:
0.55" - Average rainfall in February:
0.51" - Average rainfall in March:
1.1" - Average rainfall in April:
1.69" - Average rainfall in May:
3.19" - Average rainfall in June:
3.74"
The wettest month (with the highest rainfall) is June (3.74").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days
Grant, IA
- Average rainfall days in January:
3.8 days - Average rainfall days in February:
3 days - Average rainfall days in March:
9.6 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
16.5 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
13.2 days - Average rainfall days in August:
12.6 days - Average rainfall days in September:
10.4 days - Average rainfall days in October:
8.5 days - Average rainfall days in November:
5.2 days - Average rainfall days in December:
4.7 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is February (3 days).
Average snowfall
Grant, IA
The month with the highest snowfall is January (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Grant, IA
- Average snowfall days in January:
8.4 days - Average snowfall days in February:
7.1 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
0.9 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:
0.7 days - Average snowfall days in November:
1.3 days - Average snowfall days in December:
5.3 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Grant, 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 2min
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 18min).
- Average sunshine in January:
4h and 2min - Average sunshine in February:
5h and 1min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 4min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
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 24min).
Average sunshine days
Grant, IA
- Average sunshine days in January:
20.3 days - Average sunshine days in February:
18.7 days - Average sunshine days in March:
17.3 days - Average sunshine days in April:
15.2 days - Average sunshine days in May:
12 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
14.1 days - Average sunshine days in August:
16.3 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
20.2 days - Average sunshine days in November:
22.5 days - Average sunshine days in December:
21.9 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is May (12 days).
Average UV index
Grant, IA
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Grant, IA
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and September (Cloud cover 29).
Average visibility
Grant, 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).