Climate and monthly weather forecastDeerfield, WI
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Deerfield, Wisconsin, with an average temperature fluctuating between 11.7°F (-11.3°C) and 24.1°F (-4.4°C). The coldest month is January, with an average high-temperature of 24.1°F (-4.4°C) and an average low-temperature of 11.7°F (-11.3°C). Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Deerfield, Wisconsin, with an average temperature varying between 27.9°F (-2.3°C) and 14.9°F (-9.5°C). With February's arrival, Deerfield notes an average high-temperature of a still subzero cold 27.9°F (-2.3°C), closely following the trend of the preceding month. Weather in February »Weather in March
The first month of the spring, March, is an icy month in Deerfield, Wisconsin, with an average temperature fluctuating between 41.5°F (5.3°C) and 27.1°F (-2.7°C). Deerfield's transition into March brings a rise in the average high-temperature, moving from a subzero cold 27.9°F (-2.3°C) in February to a wintry 41.5°F (5.3°C). Weather in March »Weather in April
April is a fresh spring month in Deerfield, Wisconsin, with temperature in the range of an average low of 37.4°F (3°C) and an average high of 54°F (12.2°C). The arrival of April brings an increase in high-temperatures, moving from a cold 41.5°F (5.3°C) in March to a cool 54°F (12.2°C). Weather in April »Weather in May
May, the last month of the spring in Deerfield, is a refreshing month, with temperature in the range of an average high of 66.4°F (19.1°C) and an average low of 48.7°F (9.3°C). An upsurge in temperatures occurs as April gives way to May, with average highs shifting from a cool 54°F (12.2°C) to a comfortable 66.4°F (19.1°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Deerfield, Wisconsin, with temperature in the range of an average high of 74.8°F (23.8°C) and an average low of 57.6°F (14.2°C). June's arrival coincides with a subtle temperature rise, moving from May's refreshing 66.4°F (19.1°C) to a warm 74.8°F (23.8°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Deerfield, Wisconsin, with an average temperature varying between 61.5°F (16.4°C) and 79°F (26.1°C). The average temperatures reach their apex in July, averaging 79°F (26.1°C) at the high end and 61.5°F (16.4°C) at the low end. Weather in July »Weather in August
The last month of the summer, August, is another warm month in Deerfield, Wisconsin, with an average temperature fluctuating between 59.5°F (15.3°C) and 77.4°F (25.2°C). Deerfield, Wisconsin, marks the start of August with an average high-temperature of a still moderately hot 77.4°F (25.2°C), hinting at a slight fluctuation from July's 79°F (26.1°C). Weather in August »Weather in September
September, the first month of the autumn in Deerfield, is still a pleasant month, with an average temperature varying between 71.4°F (21.9°C) and 52°F (11.1°C). Deerfield's September weather features a light decline in high-temperatures, reducing from a warm 77.4°F (25.2°C) in August to a pleasant 71.4°F (21.9°C). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Deerfield, Wisconsin, with an average temperature varying between 57.6°F (14.2°C) and 41.9°F (5.5°C). The onset of October coincides with a reduction in the average high-temperature, falling from a pleasant 71.4°F (21.9°C) in September to a refreshing 57.6°F (14.2°C). Weather in October »Weather in November
November, the last month of the autumn in Deerfield, is another chilly month, with an average temperature ranging between max 42.8°F (6°C) and min 30.2°F (-1°C). November is marked by a distinct decrease in the average high-temperature, falling from a mild 57.6°F (14.2°C) in October to a chilly 42.8°F (6°C). Weather in November »Weather in December
December, the first month of the winter in Deerfield, is still a freezing cold month, with an average temperature fluctuating between 30.4°F (-0.9°C) and 20.5°F (-6.4°C). The onset of December entails a temperature shift, as the average high-temperature decreases from a chilly 42.8°F (6°C) in November to a freezing cold 30.4°F (-0.9°C). Weather in December »Updated: Feb 14, 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
Deerfield's coldest weather arrives in January, when temperatures average a high of 24.1°F (-4.4°C) and a low of 11.7°F (-11.3°C).
The months with the highest humidity are January and February, with an average relative humidity of 88%.
January and February are months with the least rain when the rain falls for 4 days and typically aggregates up to 1.1" (28mm) of rain.
In Deerfield, during the entire year, the rain falls for 134.9 days and collects up to 26.34" (669mm) of precipitation.
Months with snowfall in Deerfield, Wisconsin, are January through May, October through December.
The month with the most snowfall is January, when snow falls for 11.9 days and typically aggregates up to 4.41" (112mm) of snow.
Throughout the year, there are 45 snowfall days, and 18.19" (462mm) of snow is accumulated.
With an average of 3.3h of sunshine, January has the least sunshine of the year in Deerfield.
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index.
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.
April is the least humid month in Deerfield, Wisconsin, with an average relative humidity of 76%.
May through August, with an average maximum UV index of 5, are months with the highest UV index in Deerfield.
June is the month with the most rainfall. Rain falls for 16.9 days and accumulates 3.5" (89mm) of precipitation.
In Deerfield, Wisconsin, snow does not fall in June through September.
With an average of 15h and 18min of daylight, June has the longest days of the year.
Deerfield's July weather, with an average high temperature of 79°F (26.1°C) and an average low temperature of 61.5°F (16.4°C), tends to be the warmest of the year.
The month with the most sunshine in Deerfield, Wisconsin, is July, with an average of 9.8h of sunshine.
The month with the shortest days is December, with an average of 9h and 6min of daylight.
Average temperature
Deerfield, WI
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (24.1°F).
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure
Deerfield, WI
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.1"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:
30.08"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Deerfield, WI
- Average wind speed in January:
9.6mph - Average wind speed in February:
9.7mph - Average wind speed in March:
9.6mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.6mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.5mph - Average wind speed in October:
8.9mph - Average wind speed in November:
9.5mph - Average wind speed in December:
9.3mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity
Deerfield, WI
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall
Deerfield, WI
- Average rainfall in January:
1.1" - Average rainfall in February:
1.1" - Average rainfall in March:
1.54" - Average rainfall in April:
2.91" - Average rainfall in May:
3.27" - Average rainfall in June:
3.5"
The wettest month (with the highest rainfall) is June (3.5").
The driest months (with the least rainfall) are January and February (1.1").
Average rainfall days
Deerfield, WI
- Average rainfall days in January:
4 days - Average rainfall days in February:
4.2 days - Average rainfall days in March:
9.7 days - Average rainfall days in April:
15.2 days - Average rainfall days in May:
17.4 days - Average rainfall days in June:
16.9 days
- Average rainfall days in July:
16.2 days - Average rainfall days in August:
13.4 days - Average rainfall days in September:
11.9 days - Average rainfall days in October:
12.5 days - Average rainfall days in November:
7.8 days - Average rainfall days in December:
5.7 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (4 days).
Average snowfall
Deerfield, WI
- Average snowfall in January:
4.41" - Average snowfall in February:
4.13" - Average snowfall in March:
2.56" - Average snowfall in April:
1.61" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is January (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Deerfield, WI
- Average snowfall days in January:
11.9 days - Average snowfall days in February:
10.4 days - Average snowfall days in March:
6.5 days - Average snowfall days in April:
2.3 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:
0.6 days - Average snowfall days in November:
4.2 days - Average snowfall days in December:
8.9 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Deerfield, WI
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 18min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 6min
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 6min).
- Average sunshine in January:
3h and 18min - Average sunshine in February:
3h and 36min - Average sunshine in March:
5h and 48min - Average sunshine in April:
7h and 6min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 12min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
9h and 42min - Average sunshine in September:
8h and 30min - Average sunshine in October:
5h and 12min - Average sunshine in November:
4h and 54min - Average sunshine in December:
3h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days
Deerfield, WI
- Average sunshine days in January:
17.4 days - Average sunshine days in February:
14.9 days - Average sunshine days in March:
16.4 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
11.6 days - Average sunshine days in June:
10.7 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
15.1 days - Average sunshine days in September:
16.2 days - Average sunshine days in October:
16.4 days - Average sunshine days in November:
17.4 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is December (17.5 days).
The month with the least sunshine days is June (10.7 days).
Average UV index
Deerfield, 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
Deerfield, WI
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility
Deerfield, WI
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
