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, the same as December, in Hartwick, Iowa, is another subzero cold winter month, with an average temperature fluctuating between 27°F (-2.8°C) and 13.6°F (-10.2°C). With an average high-temperature of 27°F (-2.8°C) and an average low-temperature of 13.6°F (-10.2°C), January is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Hartwick, Iowa, with an average temperature varying between 30.7°F (-0.7°C) and 17.2°F (-8.2°C). In Hartwick, the average high-temperature in February is essentially the same as in January - a still freezing cold 30.7°F (-0.7°C). Weather in February »
Weather in March
March, the first month of the spring in Hartwick, is a chilly month, with an average temperature varying between 45.7°F (7.6°C) and 31.5°F (-0.3°C). In Hartwick, the average high-temperature in March significantly increases from a subzero cold 30.7°F (-0.7°C) in February to a chilly 45.7°F (7.6°C). Weather in March »
Weather in April
April in Hartwick, Iowa, is a moderate spring month, with an average temperature fluctuating between 58.3°F (14.6°C) and 41.5°F (5.3°C). In April, the average high-temperature increases from a chilly 45.7°F (7.6°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 Hartwick, is a pleasant month, with an average temperature varying between 69.1°F (20.6°C) and 52.2°F (11.2°C). In Hartwick, the average high-temperature in May increases from a moderate 58.3°F (14.6°C) in April 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 Hartwick, Iowa, with an average temperature ranging between min 62.2°F (16.8°C) and max 78.4°F (25.8°C). In June, the average high-temperature increases from a pleasant 69.1°F (20.6°C) in May to a moderately hot 78.4°F (25.8°C). Weather in June »
Weather in July
July, like June, in Hartwick, Iowa, is another warm summer month, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 64.8°F (18.2°C). July is the warmest month, with an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 64.8°F (18.2°C). In July, the average heat index is calculated to be a tropical 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 Hartwick, Iowa, with an average temperature fluctuating between 61.9°F (16.6°C) and 79.7°F (26.5°C). In August, the average high-temperature is relatively the same as in July - a still moderately hot 79.7°F (26.5°C). Weather in August »
Weather in September
September, the first month of the autumn in Hartwick, is also a moderately hot month, with temperature in the range of an average low of 55.4°F (13°C) and an average high of 74.7°F (23.7°C). In September, the average high-temperature is essentially the same as in August - a still warm 74.7°F (23.7°C). Weather in September »
Weather in October
October, the same as September, in Hartwick, Iowa, is a moderate autumn month, with an average temperature varying between 60.1°F (15.6°C) and 44.4°F (6.9°C). In Hartwick, the average high-temperature in October declines considerably from a moderately hot 74.7°F (23.7°C) in September to a mild 60.1°F (15.6°C). Weather in October »
Weather in November
November, the last month of the autumn in Hartwick, is also a frosty month, with an average temperature fluctuating between 46.2°F (7.9°C) and 32.2°F (0.1°C). In Hartwick, the average high-temperature in November drops from a moderate 60.1°F (15.6°C) in October to a frosty 46.2°F (7.9°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Hartwick, Iowa, with an average temperature varying between 22.1°F (-5.5°C) and 32.9°F (0.5°C). In December, the average high-temperature decreases from a chilly 46.2°F (7.9°C) in November to a cold 32.9°F (0.5°C). Weather in December »
[Resources]FAQ
What is the coldest month in Hartwick?
January is the coldest month in Hartwick, with an average high-temperature of 27°F (-2.8°C) and an average low-temperature of 13.6°F (-10.2°C).
What are the most humid months in Hartwick?
The months with the highest humidity are January, February and July, with an average relative humidity of 84%.
What is the driest month in Hartwick?
January is the month with the least rainfall in Hartwick. Rain falls for 5 days and accumulates 1.02" (26mm) of precipitation.
How many days does it rain in Hartwick?
In Hartwick, Iowa, during the entire year, the rain falls for 135.6 days and collects up to 27.48" (698mm) of precipitation.
When does it snow in Hartwick?
January through May, October through December are months with snowfall in Hartwick.
When does it snow the most in Hartwick?
The month with the most snowfall is January, when snow falls for 9.8 days and typically aggregates up to 4.49" (114mm) of snow.
How many days does it snow in Hartwick?
In Hartwick, Iowa, during the entire year, snow falls for 35.5 days and aggregates up to 13.98" (355mm) of snow.
What is the month with the least sunshine in Hartwick?
January has the least sunshine of the year, with an average of 4h of sunshine.
When is the lowest UV index in Hartwick?
The month with the lowest UV index in Hartwick, Iowa, is January, with an average maximum UV index of 1.
When is Daylight Saving Time (DST) in Hartwick?
On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from CDT to CST.
What is the rainiest month in Hartwick?
The month with the most rainfall in Hartwick is May, when the rain falls for 17.3 days and typically aggregates up to 4.21" (107mm) of precipitation.
When it does not snow in Hartwick?
June through September are months without snowfall.
When are the longest days in Hartwick?
The month with the longest days is June, with an average of 15h and 10min of daylight.
What are the months with the highest UV index in Hartwick?
The months with the highest UV index in Hartwick are June and July, with an average maximum UV index of 6.
What is the warmest month in Hartwick?
July is the warmest month, with an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 64.8°F (18.2°C).
What month has the most sunshine in Hartwick?
July has the most sunshine of the year in Hartwick, with an average of 10.1h of sunshine.
What is the least humid month in Hartwick?
October is the least humid month, with an average relative humidity of 72%.
What is the month with the shortest days in Hartwick?
The month with the shortest days in Hartwick is December, with an average of 9h and 12min of daylight.
Average temperature
Hartwick, 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°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 (13.6°F).
Average pressure
Hartwick, IA
- Average pressure in January:
30.15"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:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Hartwick, IA
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.6mph - 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:
7.1mph - Average wind speed in August:
7mph - Average wind speed in September:
8.1mph - Average wind speed in October:
9.8mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.2mph
The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity
Hartwick, 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
Hartwick, IA
- Average rainfall in January:
1.02" - Average rainfall in February:
1.06" - Average rainfall in March:
1.97" - Average rainfall in April:
2.91" - Average rainfall in May:
4.21" - Average rainfall in June:
3.78"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days
Hartwick, IA
- Average rainfall days in January:
5 days - Average rainfall days in February:
4.6 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
14.5 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
12.2 days - Average rainfall days in September:
11.9 days - Average rainfall days in October:
10.8 days - Average rainfall days in November:
8.7 days - Average rainfall days in December:
7.2 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (4.6 days).
Average snowfall
Hartwick, IA
- Average snowfall in January:
4.49" - Average snowfall in February:
3.98" - Average snowfall in March:
1.65" - Average snowfall in April:
0.59" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is January (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Hartwick, IA
- Average snowfall days in January:
9.8 days - Average snowfall days in February:
8.8 days - Average snowfall days in March:
4.8 days - Average snowfall days in April:
1.4 days - Average snowfall days in May:
0.2 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:
2.7 days - Average snowfall days in December:
7.3 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Hartwick, IA
- Average daylight in January:
9h and 34min - Average daylight in February:
10h and 37min - Average daylight in March:
11h and 58min - Average daylight in April:
13h and 22min - Average daylight in May:
14h and 34min - Average daylight in June:
15h and 10min
- Average daylight in July:
14h and 52min - Average daylight in August:
13h and 49min - Average daylight in September:
12h and 28min - Average daylight in October:
11h and 4min - Average daylight in November:
9h and 50min - Average daylight in December:
9h and 12min
The month with the longest days is June (Average daylight: 15h and 10min).
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 12min - Average sunshine in March:
6h and 12min - Average sunshine in April:
7h and 48min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
9h and 48min - Average sunshine in September:
9h and 18min - Average sunshine in October:
5h and 30min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 30min
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
Hartwick, IA
- Average sunshine days in January:
17.6 days - Average sunshine days in February:
15.1 days - Average sunshine days in March:
15.4 days - Average sunshine days in April:
12.9 days - Average sunshine days in May:
11.9 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
16.3 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
18 days - Average sunshine days in November:
18.2 days - Average sunshine days in December:
18.5 days
The month with the most sunshine days is December (18.5 days).
The month with the least sunshine days is June (10.8 days).
Average UV index
Hartwick, 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
Hartwick, 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
Hartwick, IA
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
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