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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, the same as December, in Hartford, Iowa, is a freezing cold winter month, with an average temperature varying between 28.4°F (-2°C) and 14.9°F (-9.5°C). Hartford's temperature records reveal January as the coldest month, marked by average highs of 28.4°F (-2°C) and lows of 14.9°F (-9.5°C). Weather in January »
Weather in February
The last month of the winter, February, is a cold month in Hartford, Iowa, with temperature in the range of an average low of 18°F (-7.8°C) and an average high of 32.5°F (0.3°C). Hartford, Iowa, notes an average high-temperature of a cold 32.5°F (0.3°C) in February, hardly diverging from January. Weather in February »
Weather in March
March, the first month of the spring in Hartford, is a chilly month, with an average temperature ranging between min 32.7°F (0.4°C) and max 47.7°F (8.7°C). A distinct shift in the average high-temperature is signaled in March, moving up from a wintry 32.5°F (0.3°C) in February to a frosty 47.7°F (8.7°C). Weather in March »
Weather in April
April is a refreshing spring month in Hartford, Iowa, with temperature in the range of an average low of 42.4°F (5.8°C) and an average high of 59.9°F (15.5°C). With the arrival of April, the average high-temperature transitions from a frosty 47.7°F (8.7°C) in March to a mild 59.9°F (15.5°C). Weather in April »
Weather in May
May, the last month of the spring in Hartford, is an agreeable month, with an average temperature varying between 70.2°F (21.2°C) and 52.9°F (11.6°C). Hartford sees an increase in average high-temperatures during May, moving from a mild 59.9°F (15.5°C) in April to a pleasant 70.2°F (21.2°C). Weather in May »
Weather in June
June, the first month of the summer in Hartford, is a warm month, with an average temperature varying between 79.7°F (26.5°C) and 62.6°F (17°C). Hartford's weather in June presents a rise in the average high-temperature, moving from an agreeable 70.2°F (21.2°C) in May to a warm 79.7°F (26.5°C). Weather in June »
Weather in July
July, like June, in Hartford, Iowa, is a moderately hot summer month, with temperature in the range of an average low of 65.1°F (18.4°C) and an average high of 83.1°F (28.4°C). July is the month when Hartford's temperatures reach their peak, with averages of 83.1°F (28.4°C) and lows of 65.1°F (18.4°C). July's average heat index is estimated at a tropical 91.4°F (33°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Hartford, Iowa, with an average temperature varying between 81.5°F (27.5°C) and 62.2°F (16.8°C). August's arrival brings an average high-temperature of a still moderately hot 81.5°F (27.5°C), demonstrating subtle variation from the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Hartford, Iowa, with an average temperature fluctuating between 76.1°F (24.5°C) and 55.9°F (13.3°C). The shift from August to September includes a small decrease in the average high-temperature, from a warm 81.5°F (27.5°C) to a still moderately hot 76.1°F (24.5°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Hartford, Iowa, with temperature in the range of an average high of 60.8°F (16°C) and an average low of 44.6°F (7°C). A shift in Hartford's weather is noticeable as September turns into October, with the average high temperature decreasing from a warm 76.1°F (24.5°C) to an enjoyable 60.8°F (16°C). Weather in October »
Weather in November
November, the last month of the autumn in Hartford, is also a frosty month, with temperature in the range of an average low of 32.9°F (0.5°C) and an average high of 47.3°F (8.5°C). November ushers in a slight temperature change, with average high-temperatures reducing from October's enjoyable 60.8°F (16°C) to a chilly 47.3°F (8.5°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Hartford, Iowa, with an average temperature varying between 22.8°F (-5.1°C) and 34.7°F (1.5°C). December ushers in a slight temperature change, with average high-temperatures reducing from November's frosty 47.3°F (8.5°C) to an icy 34.7°F (1.5°C). Weather in December »
Updated: Aug 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 is the month when Hartford experiences its coldest temperatures, averaging a high of 28.4°F (-2°C) and a low of 14.9°F (-9.5°C).
What are the most humid months?
The months with the highest humidity are January, February and June, with an average relative humidity of 82%.
What is the driest month?
The month with the least rainfall is January, when the rain falls for 4.2 days and typically collects 0.91" (23mm) of precipitation.
How much does it rain?
Throughout the year, there are 124.7 rainfall days, and 26.34" (669mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, October through December.
What is the snowiest month?
January is the month with the most snowfall. Snow falls for 10.8 days and accumulates 4.37" (111mm) of snow.
How many days does it snow?
Throughout the year, there are 35.2 snowfall days, and 13.31" (338mm) of snow is accumulated.
What is the month with the least sunshine?
With an average of 4.1h of sunshine, January has the least sunshine of the year.
What is the month with the lowest UV index?
The month with the lowest UV index is January, with an average maximum UV index of 1.
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 16.5 days and accumulates 4.45" (113mm) of precipitation.
When it does not snow?
In Hartford, snow does not fall in June through September.
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?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What is the hottest time of year?
Hartford's July weather, marked by an average high temperature of 83.1°F (28.4°C) and an average low temperature of 65.1°F (18.4°C), is the warmest in the year.
What month has the most sunshine?
With an average of 10.2h of sunshine, July has the most sunshine of the year.
What is the least humid month?
October is the least humid month, with an average relative humidity of 70%.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 12min of daylight.
Average temperature
Hartford, IA
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (28.4°F).
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure
Hartford, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.92"Hg - Average pressure in May:
29.93"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:
30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Hartford, IA
- Average wind speed in January:
10.2mph - Average wind speed in February:
10.1mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.3mph - Average wind speed in May:
8.8mph - Average wind speed in June:
8mph
- Average wind speed in July:
7mph - Average wind speed in August:
6.9mph - Average wind speed in September:
7.9mph - Average wind speed in October:
9.4mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.8mph
The windiest months (with the highest average wind speed) are March and April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity
Hartford, IA
The months with the highest relative humidity are January, February and June (82%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Hartford, IA
- Average rainfall in January:
0.91" - Average rainfall in February:
1.06" - Average rainfall in March:
1.85" - Average rainfall in April:
2.8" - Average rainfall in May:
4.45" - Average rainfall in June:
3.7"
- Average rainfall in July:
2.13" - Average rainfall in August:
2.36" - Average rainfall in September:
2.6" - Average rainfall in October:
2.01" - Average rainfall in November:
1.46" - Average rainfall in December:
1.02"
The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days
Hartford, IA
- Average rainfall days in January:
4.2 days - Average rainfall days in February:
4 days - Average rainfall days in March:
10.4 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
16.5 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
13.5 days - Average rainfall days in August:
11.5 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
10 days - Average rainfall days in November:
7.1 days - Average rainfall days in December:
5.4 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (4 days).
Average snowfall
Hartford, IA
- Average snowfall in January:
4.37" - Average snowfall in February:
4.21" - Average snowfall in March:
1.3" - Average snowfall in April:
0.59" - Average snowfall in May:
0.28" - Average snowfall in June:
0"
The month with the highest snowfall is January (4.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Hartford, IA
- Average snowfall days in January:
10.8 days - Average snowfall days in February:
8.6 days - Average snowfall days in March:
4 days - Average snowfall days in April:
1.3 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:
2.8 days - Average snowfall days in December:
7 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Hartford, 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 1min - Average sunshine in February:
4h and 4min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 4min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
Hartford, IA
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
15.8 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
13.4 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
11.7 days
- Average sunshine days in July:
14.8 days - Average sunshine days in August:
18.2 days - Average sunshine days in September:
17.1 days - Average sunshine days in October:
18.4 days - Average sunshine days in November:
18.7 days - Average sunshine days in December:
18.5 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (11.7 days).
Average UV index
Hartford, 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
Hartford, IA
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July, August and September (Cloud cover 31).
Average visibility
Hartford, IA
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Hartford, Iowa, USA
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