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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 Hartford, Wisconsin, with an average temperature ranging between min 12.7°F (-10.7°C) and max 23.9°F (-4.5°C). January is the coldest month of the year, registering average temperatures as high as 23.9°F (-4.5°C) and as low as 12.7°F (-10.7°C). Weather in January »
Weather in February
February, the last month of the winter in Hartford, is another freezing cold month, with an average temperature ranging between min 15.3°F (-9.3°C) and max 27.3°F (-2.6°C). With the advent of February, Hartford experiences an average high-temperature of a still subzero cold 27.3°F (-2.6°C), mirroring a close resemblance to the previous month. Weather in February »
Weather in March
March, the first month of the spring in Hartford, is a cold month, with temperature in the range of an average high of 39.9°F (4.4°C) and an average low of 27°F (-2.8°C). March brings a temperature change, with average high-temperatures moving from February's freezing cold 27.3°F (-2.6°C) to an icy 39.9°F (4.4°C). Weather in March »
Weather in April
April in Hartford, Wisconsin, is a cool spring month, with an average temperature ranging between max 51.4°F (10.8°C) and min 36.7°F (2.6°C). An increase in the average high-temperature marks April, moving from March's cold 39.9°F (4.4°C) to a fresh 51.4°F (10.8°C). Weather in April »
Weather in May
The last month of the spring, May, is an enjoyable month in Hartford, Wisconsin, with an average temperature varying between 47.1°F (8.4°C) and 63.5°F (17.5°C). The arrival of May brings a temperature shift, with the average high-temperature escalating from a fresh 51.4°F (10.8°C) in April to a comfortable 63.5°F (17.5°C). Weather in May »
Weather in June
June, the first month of the summer in Hartford, is an agreeable month, with an average temperature fluctuating between 56.1°F (13.4°C) and 72.5°F (22.5°C). The onset of June marks an increase in the average high-temperature, moving from an enjoyable 63.5°F (17.5°C) in May to an agreeable 72.5°F (22.5°C). Weather in June »
Weather in July
July in Hartford, Wisconsin, is a warm summer month, with an average temperature fluctuating between 61.7°F (16.5°C) and 77.9°F (25.5°C). July, known for its average high temperature of 77.9°F (25.5°C) and an average low temperature of 61.7°F (16.5°C), is the warmest month. Weather in July »
Weather in August
August, the last month of the summer in Hartford, is another warm month, with an average temperature varying between 59.9°F (15.5°C) and 76.6°F (24.8°C). As July transitions into August, Hartford records an average high-temperature of a still moderately hot 76.6°F (24.8°C), showing a gentle shift from the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Hartford, Wisconsin, with an average temperature ranging between max 70°F (21.1°C) and min 53.2°F (11.8°C). September's arrival signals a moderate reduction in the average high-temperature, easing from a warm 76.6°F (24.8°C) in August to an agreeable 70°F (21.1°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Hartford, Wisconsin, with an average temperature fluctuating between 56.5°F (13.6°C) and 42.3°F (5.7°C). The onset of October results in a decrease in the average high-temperature, receding from a pleasant 70°F (21.1°C) in September to a mild 56.5°F (13.6°C). Weather in October »
Weather in November
November, the last month of the autumn in Hartford, is also an icy month, with an average temperature fluctuating between 30.7°F (-0.7°C) and 42.6°F (5.9°C). A change in temperatures is noted as October gives way to November, with average highs reducing from a moderate 56.5°F (13.6°C) to an icy 42.6°F (5.9°C). Weather in November »
Weather in December
December, the first month of the winter in Hartford, is still a freezing cold month, with an average temperature varying between 20.7°F (-6.3°C) and 30.6°F (-0.8°C). December implies a gentle temperature shift, with average high-temperatures reducing from November's cold 42.6°F (5.9°C) to a subzero cold 30.6°F (-0.8°C). Weather in December »
Updated: Jun 22, 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 are the coldest months in Hartford?
January, characterized by an average high temperature of 23.9°F (-4.5°C) and a low temperature of 12.7°F (-10.7°C), is generally the coldest month.
What is the most humid month?
The most humid month is January, with an average relative humidity of 88%.
How many days does it rain in Hartford?
Throughout the year, there are 141.6 rainfall days, and 25.67" (652mm) of precipitation is accumulated.
When does it snow?
January through May, October through December are months with snowfall.
How many days does it snow?
In Hartford, during the entire year, snow falls for 60.3 days and aggregates up to 17.72" (450mm) of snow.
What is the month with the least sunshine?
With an average of 3.3h of sunshine, January has the least sunshine of the year in Hartford, Wisconsin.
What are the months with the lowest UV index?
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1.
What is the driest month?
February and December are months with the least rain when the rain falls for 4.3 days and typically aggregates up to 1.18" (30mm) of rain.
When does it snow the most?
The month with the most snowfall is February, when snow falls for 13.2 days and typically aggregates up to 4.45" (113mm) of snow.
When is Daylight Saving Time (DST) in Hartford?
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 least humid month?
With an average relative humidity of 77%, April is the least humid month.
What is the month with the highest UV index?
May through August, with an average maximum UV index of 5, are months with the highest UV index.
What is the wettest month?
The month with the most rainfall is June, when the rain falls for 16.2 days and typically aggregates up to 3.11" (79mm) of precipitation.
When it does not snow?
June through September are months without snowfall.
When are the longest days in Hartford?
With an average of 15h and 18min of daylight, June has the longest days of the year.
What are the warmest months?
July, on average, is the warmest month, registering a high temperature of 77.9°F (25.5°C) and a low of 61.7°F (16.5°C).
What month has the most sunshine?
The month with the most sunshine is July, with an average of 10.1h of sunshine.
What is the month with the shortest days?
With an average of 9h and 0min of daylight, December has the shortest days of the year in Hartford.
Average temperature
Hartford, WI
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (23.9°F).
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure
Hartford, WI
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.08"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Hartford, WI
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.4mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10.3mph - Average wind speed in May:
8.7mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.8mph - Average wind speed in September:
7.8mph - Average wind speed in October:
9.3mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.9mph
The windiest months (with the highest average wind speed) are January and February (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity
Hartford, WI
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall
Hartford, WI
- Average rainfall in January:
1.3" - Average rainfall in February:
1.18" - Average rainfall in March:
1.54" - Average rainfall in April:
2.72" - Average rainfall in May:
2.99" - Average rainfall in June:
3.11"
The wettest month (with the highest rainfall) is June (3.11").
The driest months (with the least rainfall) are February and December (1.18").
Average rainfall days
Hartford, WI
- Average rainfall days in January:
4.9 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
10 days - Average rainfall days in April:
15.1 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
16.2 days
- Average rainfall days in July:
16.1 days - Average rainfall days in August:
15.9 days - Average rainfall days in September:
13 days - Average rainfall days in October:
12.9 days - Average rainfall days in November:
9.1 days - Average rainfall days in December:
6.6 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (4.3 days).
Average snowfall
Hartford, WI
- Average snowfall in January:
4.33" - Average snowfall in February:
4.45" - Average snowfall in March:
1.85" - Average snowfall in April:
1.06" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Hartford, WI
- Average snowfall days in January:
15.1 days - Average snowfall days in February:
13.2 days - Average snowfall days in March:
8.4 days - Average snowfall days in April:
3.2 days - Average snowfall days in May:
0.3 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:
1.2 days - Average snowfall days in November:
5.6 days - Average snowfall days in December:
13.3 days
The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Hartford, WI
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - 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 2min
- Average daylight in July:
15h and 0min - 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 4min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
3h and 2min - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 2min - Average sunshine in November:
4h and 5min - Average sunshine in December:
3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days
Hartford, WI
- Average sunshine days in January:
12.3 days - Average sunshine days in February:
11.7 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
11.5 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
11.2 days - Average sunshine days in August:
12.1 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
14.3 days - Average sunshine days in November:
15.5 days - Average sunshine days in December:
14.5 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is May (10.8 days).
Average UV index
Hartford, WI
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover
Hartford, WI
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July, August and September (Cloud cover 31).
Average visibility
Hartford, WI
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).