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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, like December, is another subzero cold winter month in Hopkinton, Iowa, with an average temperature fluctuating between 13.3°F (-10.4°C) and 25.2°F (-3.8°C). The month of January, characterized by an average high of 25.2°F (-3.8°C) and a low of 13.3°F (-10.4°C), is recognized as the coldest. Weather in January »
Weather in February
February, the last month of the winter in Hopkinton, is another freezing cold month, with an average temperature fluctuating between 16°F (-8.9°C) and 28.9°F (-1.7°C). Hopkinton's shift into February is marked by a subtle change to a still subzero cold 28.9°F (-1.7°C) from January's 25.2°F (-3.8°C) in temperature. Weather in February »
Weather in March
March, the first month of the spring in Hopkinton, is a frosty month, with temperature in the range of an average high of 44.2°F (6.8°C) and an average low of 29.5°F (-1.4°C). The onset of March witnesses a clear shift in the average high-temperature, escalating from a subzero cold 28.9°F (-1.7°C) in February to a chilly 44.2°F (6.8°C). Weather in March »
Weather in April
April in Hopkinton, Iowa, is a mild spring month, with temperature in the range of an average high of 56.1°F (13.4°C) and an average low of 39.9°F (4.4°C). April indicates a change in the average high-temperature, moving up from a chilly 44.2°F (6.8°C) in March to a moderate 56.1°F (13.4°C). Weather in April »
Weather in May
May, the last month of the spring in Hopkinton, is an agreeable month, with an average temperature ranging between max 68.4°F (20.2°C) and min 51.1°F (10.6°C). With the onset of May, Hopkinton experiences a temperature shift, with the average high-temperature moving from a refreshing 56.1°F (13.4°C) in April to an agreeable 68.4°F (20.2°C). Weather in May »
Weather in June
June, the first month of the summer in Hopkinton, is a moderately hot month, with temperature in the range of an average high of 77°F (25°C) and an average low of 60.4°F (15.8°C). Hopkinton's June weather indicates a minor ascent in high-temperatures, adjusting from a pleasant 68.4°F (20.2°C) in May to a moderately hot 77°F (25°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Hopkinton, Iowa, with an average temperature fluctuating between 80.1°F (26.7°C) and 63.3°F (17.4°C). July stands out as Hopkinton's warmest month, with temperatures ranging between an average high of 80.1°F (26.7°C) and a low of 63.3°F (17.4°C). Weather in July »
Weather in August
August, the last month of the summer in Hopkinton, is another warm month, with an average temperature fluctuating between 78.6°F (25.9°C) and 60.6°F (15.9°C). August begins with an average high-temperature of a still moderately hot 78.6°F (25.9°C), reflecting close similarity to the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Hopkinton, Iowa, with an average temperature ranging between max 73°F (22.8°C) and min 54.3°F (12.4°C). During the shift to September, Hopkinton records a mild decrease in average high-temperature, moving from a warm 78.6°F (25.9°C) in August to a pleasant 73°F (22.8°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Hopkinton, Iowa, with an average temperature ranging between max 58.6°F (14.8°C) and min 43.2°F (6.2°C). October's arrival signals a distinct temperature shift, dropping from an agreeable 73°F (22.8°C) in September to a moderate 58.6°F (14.8°C). Weather in October »
Weather in November
November, the last month of the autumn in Hopkinton, is also a frosty month, with temperature in the range of an average low of 31.3°F (-0.4°C) and an average high of 44.6°F (7°C). November comes with a drop in the average high-temperature, falling from October's moderate 58.6°F (14.8°C) to a chilly 44.6°F (7°C). Weather in November »
Weather in December
The first month of the winter, December, is also a subzero cold month in Hopkinton, Iowa, with an average temperature varying between 21.4°F (-5.9°C) and 31.8°F (-0.1°C). The onset of December is marked by a decrease in temperature, transitioning from a frosty 44.6°F (7°C) in November to a subzero cold 31.8°F (-0.1°C). Weather in December »
Updated: Jul 27, 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 coldest month?
January stands out as Hopkinton's coldest month, with temperatures ranging between an average high of 25.2°F (-3.8°C) and a low of 13.3°F (-10.4°C).
What is the most humid month?
January and February, with an average relative humidity of 86%, are most humid months.
What is the driest month?
The months with the least rainfall in Hopkinton are January and February Rain falls for 5.2 days and accumulates 1.26" (32mm) of rain.
How much does it rain in Hopkinton?
In Hopkinton, during the entire year, the rain falls for 142.5 days and collects up to 28.27" (718mm) of precipitation.
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 12.1 days and accumulates 5.04" (128mm) of snow.
How many days does it snow?
In Hopkinton, during the entire year, snow falls for 43.2 days and aggregates up to 17.17" (436mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 3.8h of sunshine.
What are the months with the lowest UV index in Hopkinton?
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Hopkinton, Iowa.
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?
The month with the most rainfall is May, when the rain falls for 18.6 days and typically aggregates up to 4.25" (108mm) of precipitation.
When it does not snow?
In Hopkinton, snow does not fall in May through September.
When are the longest days?
June has the longest days of the year, with an average of 15h and 12min of daylight.
When is the highest UV index?
The months with the highest UV index are June and July, with an average maximum UV index of 6.
What part of the year is the hottest?
Hopkinton experiences its average highest temperatures in July, reaching a peak of 80.1°F (26.7°C) and a minimum of 63.3°F (17.4°C).
What is the month with the most sunshine?
The months with the most sunshine are July and August, with an average of 9.9h of sunshine.
What is the least humid month in Hopkinton?
October is the least humid month in Hopkinton, with an average relative humidity of 74%.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 6min of daylight.
Average temperature
Hopkinton, IA
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.2°F).
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure
Hopkinton, 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:
29.94"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"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.1"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
Hopkinton, IA
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.5mph - 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:
7.8mph
- Average wind speed in July:
7mph - Average wind speed in August:
6.9mph - Average wind speed in September:
8mph - Average wind speed in October:
9.5mph - Average wind speed in November:
10.3mph - Average wind speed in December:
10mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity
Hopkinton, IA
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Hopkinton, IA
- Average rainfall in January:
1.26" - Average rainfall in February:
1.26" - Average rainfall in March:
1.85" - Average rainfall in April:
3.15" - Average rainfall in May:
4.25" - Average rainfall in June:
3.78"
- Average rainfall in July:
2.83" - Average rainfall in August:
1.77" - Average rainfall in September:
2.52" - Average rainfall in October:
2.52" - Average rainfall in November:
1.65" - Average rainfall in December:
1.42"
The wettest month (with the highest rainfall) is May (4.25").
The driest months (with the least rainfall) are January and February (1.26").
Average rainfall days
Hopkinton, IA
- Average rainfall days in January:
5.2 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
11.9 days - Average rainfall days in April:
16 days - Average rainfall days in May:
18.6 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
12.5 days - Average rainfall days in September:
11.4 days - Average rainfall days in October:
11.9 days - Average rainfall days in November:
8.9 days - Average rainfall days in December:
7.7 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is January (5.2 days).
Average snowfall
Hopkinton, IA
The month with the highest snowfall is January (5.04").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Hopkinton, IA
- Average snowfall days in January:
12.1 days - Average snowfall days in February:
9.5 days - Average snowfall days in March:
6 days - Average snowfall days in April:
1.6 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:
0.6 days - Average snowfall days in November:
4 days - Average snowfall days in December:
9.4 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Hopkinton, IA
- Average daylight in January:
9h and 3min - 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 4min - 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 0min - 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 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
4h and 0min - Average sunshine in March:
6h and 2min - Average sunshine in April:
7h and 3min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Hopkinton, IA
- Average sunshine days in January:
15.8 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
11.1 days - Average sunshine days in May:
10.6 days - Average sunshine days in June:
10.5 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
16.7 days - Average sunshine days in September:
17 days - Average sunshine days in October:
16.9 days - Average sunshine days in November:
16.8 days - Average sunshine days in December:
16.7 days
The month with the most sunshine days is September (17 days).
The month with the least sunshine days is June (10.5 days).
Average UV index
Hopkinton, IA
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Hopkinton, IA
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Hopkinton, IA
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Hopkinton, Iowa, USA
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