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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
Weather in January
January in Grinnell, Kansas, is a chilly winter month, with an average temperature ranging between max 42.8°F (6°C) and min 25.2°F (-3.8°C). Entering January, the average high-temperature is recorded at a chilly 42.8°F (6°C), exhibiting a minimal shift from December's 41.9°F (5.5°C). Weather in January »
Weather in February
February, the last month of the winter in Grinnell, is also a frosty month, with an average temperature varying between 44.4°F (6.9°C) and 26.2°F (-3.2°C). Grinnell's shift into February sets the average high-temperature at a still frosty 44.4°F (6.9°C), a figure that deviates only slightly from January's 42.8°F (6°C). Weather in February »
Weather in March
The first month of the spring, March, is a moderate month in Grinnell, Kansas, with temperature in the range of an average low of 36.3°F (2.4°C) and an average high of 57.6°F (14.2°C). Grinnell's transition into March sees a rise in the average high-temperature, advancing from a chilly 44.4°F (6.9°C) in February to a refreshing 57.6°F (14.2°C). Weather in March »
Weather in April
April in Grinnell, Kansas, is a comfortable spring month, with an average temperature ranging between max 64.8°F (18.2°C) and min 43°F (6.1°C). April's onset witnesses a minor shift in the average high-temperature, moving from a moderate 57.6°F (14.2°C) in March to a still refreshing 64.8°F (18.2°C). Weather in April »
Weather in May
May, the last month of the spring in Grinnell, is a warm month, with an average temperature ranging between max 73.8°F (23.2°C) and min 52°F (11.1°C). The arrival of May sees a shift in the average high-temperature, moving from a refreshing 64.8°F (18.2°C) in April to a moderately hot 73.8°F (23.2°C). Weather in May »
Weather in June
The first month of the summer, June, is a hot month in Grinnell, Kansas, with an average temperature varying between 65.8°F (18.8°C) and 88.7°F (31.5°C). June indicates a noticeable escalation in the average high-temperature, moving up from a moderately hot 73.8°F (23.2°C) in May to a tropical 88.7°F (31.5°C). Weather in June »
Weather in July
July, the same as June, in Grinnell, Kansas, is a hot summer month, with temperature in the range of an average high of 92.5°F (33.6°C) and an average low of 70.3°F (21.3°C). July tends to be the warmest month, with temperatures averaging a daily high of 92.5°F (33.6°C) and a low of 70.3°F (21.3°C). For most parts of July, the heat index is estimated at a sweltering 100.4°F (38°C). Weather in July »
Weather in August
The last month of the summer, August, is also a hot month in Grinnell, Kansas, with an average temperature varying between 89.2°F (31.8°C) and 67.1°F (19.5°C). August reports an average high-temperature of a still hot 89.2°F (31.8°C), slightly varied from July's 92.5°F (33.6°C). Weather in August »
Weather in September
September, the first month of the autumn in Grinnell, is also a moderately hot month, with an average temperature varying between 60.4°F (15.8°C) and 81.9°F (27.7°C). September's arrival subtly correlates with a reduction in the average high-temperature, down from a hot 89.2°F (31.8°C) in August to a warm 81.9°F (27.7°C). Weather in September »
Weather in October
October, like September, in Grinnell, Kansas, is another refreshing autumn month, with temperature in the range of an average low of 46.6°F (8.1°C) and an average high of 65.7°F (18.7°C). As October arrives, Grinnell's weather displays a notable decrease in high-temperatures, falling from September's warm 81.9°F (27.7°C) to an enjoyable 65.7°F (18.7°C). Weather in October »
Weather in November
November, the last month of the autumn in Grinnell, is another cool month, with an average temperature varying between 35.4°F (1.9°C) and 54.1°F (12.3°C). November's arrival correlates with a reduction in the average high-temperature, down from an enjoyable 65.7°F (18.7°C) in October to a cool 54.1°F (12.3°C). Weather in November »
Weather in December
December, the first month of the winter in Grinnell, is still a cold month, with an average temperature fluctuating between 41.9°F (5.5°C) and 25.5°F (-3.6°C). December is the month when Grinnell experiences its coldest temperatures, averaging a high of 41.9°F (5.5°C) and a low of 25.5°F (-3.6°C). Weather in December »
Updated: Feb 12, 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 is the most humid month in Grinnell?
January and December, with an average relative humidity of 63%, are most humid months.
What is the driest month in Grinnell?
January and November are months with the least rain in Grinnell, Kansas, when the rain falls for 4.6 days and typically aggregates up to 0.39" (10mm) of rain.
How many days does it rain in Grinnell?
In Grinnell, Kansas, during the entire year, the rain falls for 105.4 days and collects up to 13.7" (348mm) of precipitation.
When does it snow in Grinnell?
Months with snowfall are January through April, October through December.
How much does it snow in Grinnell?
Throughout the year, in Grinnell, there are 12.1 snowfall days, and 3.5" (89mm) of snow is accumulated.
When is the lowest UV index in Grinnell?
The months with the lowest UV index in Grinnell, Kansas, are January, February, November and December, with an average maximum UV index of 2.
When is Daylight Saving Time (DST) in Grinnell?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Grinnell, 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 in Grinnell?
May is the month with the most rainfall. Rain falls for 13.4 days and accumulates 2.36" (60mm) of precipitation.
When it does not snow in Grinnell?
May through September are months without snowfall in Grinnell, Kansas.
When are the longest days in Grinnell?
June has the longest days of the year, with an average of 14h and 54min of daylight.
What is the month with the most sunshine in Grinnell?
June and July, with an average of 11.6h of sunshine, are months with the most sunshine.
When is the highest UV index in Grinnell?
The months with the highest UV index are June and July, with an average maximum UV index of 7.
What part of the year is the hottest in Grinnell?
Grinnell's July weather reaches an average high of 92.5°F (33.6°C) and an average low of 70.3°F (21.3°C), making it the warmest month.
What is the least humid month in Grinnell?
The least humid month in Grinnell, Kansas, is July, with an average relative humidity of 50%.
What month is the coldest in Grinnell?
In Grinnell, December registers the lowest temperatures, averaging 41.9°F (5.5°C) at the peak and 25.5°F (-3.6°C) at the lowest.
When does it snow the most in Grinnell?
December is the month with the most snowfall. Snow falls for 2.5 days and accumulates 1.06" (27mm) of snow.
What is the month with the shortest days in Grinnell?
The month with the shortest days in Grinnell, Kansas, is December, with an average of 9h and 30min of daylight.
What is the month with the least sunshine in Grinnell?
December has the least sunshine of the year, with an average of 6.5h of sunshine.
Average temperature
Grinnell, KS
The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is December (41.9°F).
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure
Grinnell, KS
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
29.99"Hg - Average pressure in April:
29.88"Hg - Average pressure in May:
29.88"Hg - Average pressure in June:
29.81"Hg
- Average pressure in July:
29.89"Hg - Average pressure in August:
29.9"Hg - Average pressure in September:
29.94"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).
Average wind speed
Grinnell, KS
- Average wind speed in January:
10.9mph - Average wind speed in February:
11.4mph - Average wind speed in March:
12mph - Average wind speed in April:
12.9mph - Average wind speed in May:
11.6mph - Average wind speed in June:
11.7mph
- Average wind speed in July:
10.4mph - Average wind speed in August:
10.1mph - Average wind speed in September:
11.2mph - Average wind speed in October:
11.5mph - Average wind speed in November:
11.1mph - Average wind speed in December:
10.9mph
The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is August (10.1mph).
Average humidity
Grinnell, KS
The months with the highest relative humidity are January and December (63%).
The month with the lowest relative humidity is July (50%).
Average rainfall
Grinnell, KS
- Average rainfall in January:
0.39" - Average rainfall in February:
0.47" - Average rainfall in March:
0.94" - Average rainfall in April:
1.22" - Average rainfall in May:
2.36" - Average rainfall in June:
1.73"
The wettest month (with the highest rainfall) is May (2.36").
The driest months (with the least rainfall) are January and November (0.39").
Average rainfall days
Grinnell, KS
- Average rainfall days in January:
4.6 days - Average rainfall days in February:
4.6 days - Average rainfall days in March:
9.1 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
13.4 days - Average rainfall days in June:
11.8 days
- Average rainfall days in July:
12.8 days - Average rainfall days in August:
11.4 days - Average rainfall days in September:
9.5 days - Average rainfall days in October:
7.8 days - Average rainfall days in November:
4 days - Average rainfall days in December:
4.6 days
The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is November (4 days).
Average snowfall
Grinnell, KS
The month with the highest snowfall is December (1.06").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Grinnell, KS
- Average snowfall days in January:
2.4 days - Average snowfall days in February:
3.9 days - Average snowfall days in March:
1.1 days - Average snowfall days in April:
0.3 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:
0.4 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
2.5 days
The month with the highest number of snowfall days is February (3.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Grinnell, KS
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
6h and 4min - Average sunshine in February:
8h and 1min - Average sunshine in March:
8h and 2min - Average sunshine in April:
9h and 1min - Average sunshine in May:
10h and 1min - Average sunshine in June:
11h and 4min
- Average sunshine in July:
11h and 4min - Average sunshine in August:
10h and 3min - Average sunshine in September:
9h and 1min - Average sunshine in October:
7h and 5min - Average sunshine in November:
6h and 4min - Average sunshine in December:
6h and 3min
The months with the most sunshine are June and July (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days
Grinnell, KS
- Average sunshine days in January:
23.5 days - Average sunshine days in February:
19.3 days - Average sunshine days in March:
20 days - Average sunshine days in April:
16.2 days - Average sunshine days in May:
15.2 days - Average sunshine days in June:
14.7 days
- Average sunshine days in July:
14.7 days - Average sunshine days in August:
15.3 days - Average sunshine days in September:
18 days - Average sunshine days in October:
20.9 days - Average sunshine days in November:
23.6 days - Average sunshine days in December:
23.7 days
The month with the most sunshine days is December (23.7 days).
The months with the least sunshine days are June and July (14.7 days).
Average UV index
Grinnell, KS
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Grinnell, KS
The months with the most cloud cover are February and April (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility
Grinnell, KS
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).
Grinnell, Kansas, USA
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