Climate and monthly weather forecastTheresa, WI
Climate and monthly weather forecast
Weather in January
January, the same as December, in Theresa, Wisconsin, is a freezing cold winter month, with an average temperature varying between 10.8°F (-11.8°C) and 22.6°F (-5.2°C). January is Theresa's coldest month, registering average high temperatures of 22.6°F (-5.2°C) and lows of 10.8°F (-11.8°C). Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Theresa, Wisconsin, with an average temperature ranging between max 26.1°F (-3.3°C) and min 13.6°F (-10.2°C). February ushers in an average high-temperature of a still freezing cold 26.1°F (-3.3°C), aligning closely with the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a wintry month in Theresa, Wisconsin, with an average temperature varying between 26.1°F (-3.3°C) and 40.1°F (4.5°C). Theresa in March sees a temperature change, with average high-temperatures moving from a freezing cold 26.1°F (-3.3°C) in February to an icy 40.1°F (4.5°C). Weather in March »Weather in April
April is a cool spring month in Theresa, Wisconsin, with an average temperature fluctuating between 36°F (2.2°C) and 52.3°F (11.3°C). Theresa's weather in April shows a rise in the average high-temperature, moving up from March's cold 40.1°F (4.5°C) to a fresh 52.3°F (11.3°C). Weather in April »Weather in May
May, the last month of the spring in Theresa, is a refreshing month, with an average temperature varying between 64.9°F (18.3°C) and 46.9°F (8.3°C). As Theresa welcomes May, the average high-temperature sees a rise, transitioning from a fresh 52.3°F (11.3°C) in April to a refreshing 64.9°F (18.3°C). Weather in May »Weather in June
June, the first month of the summer in Theresa, is a warm month, with an average temperature varying between 56.3°F (13.5°C) and 73.6°F (23.1°C). The transition from May to June brings a subtle temperature rise, with average high-temperatures increasing from a refreshing 64.9°F (18.3°C) to a warm 73.6°F (23.1°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Theresa, Wisconsin, with an average temperature fluctuating between 60.8°F (16°C) and 78.3°F (25.7°C). Theresa's temperature records reveal July as the warmest month, marked by average highs of 78.3°F (25.7°C) and lows of 60.8°F (16°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Theresa, Wisconsin, with an average temperature varying between 76.6°F (24.8°C) and 58.8°F (14.9°C). August's weather records an average high-temperature of a still moderately hot 76.6°F (24.8°C), showing little deviation from July. Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in Theresa, Wisconsin, with an average temperature ranging between max 70.2°F (21.2°C) and min 51.3°F (10.7°C). A moderate decline in average high-temperatures is noted in September, moving from a warm 76.6°F (24.8°C) in August to an agreeable 70.2°F (21.2°C). Weather in September »Weather in October
October, the same as September, in Theresa, Wisconsin, is a moderate autumn month, with an average temperature varying between 56.5°F (13.6°C) and 40.8°F (4.9°C). In Theresa, the beginning of October is marked by a lowered average high-temperature, shifting from September's agreeable 70.2°F (21.2°C) to a refreshing 56.5°F (13.6°C). Weather in October »Weather in November
The last month of the autumn, November, is also an icy month in Theresa, Wisconsin, with an average temperature ranging between max 42.1°F (5.6°C) and min 29.3°F (-1.5°C). November is marked by a distinct decrease in the average high-temperature, falling from a mild 56.5°F (13.6°C) in October to a wintry 42.1°F (5.6°C). Weather in November »Weather in December
December, the first month of the winter in Theresa, is still a freezing cold month, with an average temperature ranging between max 29.3°F (-1.5°C) and min 19.2°F (-7.1°C). A shift in the average high-temperature occurs in December, reducing from an icy 42.1°F (5.6°C) in November to a freezing cold 29.3°F (-1.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Theresa, WI
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (22.6°F).
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure
Theresa, WI
- Average pressure in January:
30.1"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:
29.96"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 and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Theresa, WI
- Average wind speed in January:
10mph - Average wind speed in February:
10.1mph - Average wind speed in March:
9.8mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.9mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
7mph - Average wind speed in August:
6.8mph - Average wind speed in September:
7.7mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity
Theresa, WI
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall
Theresa, WI
- Average rainfall in January:
0.91" - Average rainfall in February:
0.83" - Average rainfall in March:
1.22" - Average rainfall in April:
2.28" - Average rainfall in May:
2.6" - Average rainfall in June:
2.6"
- Average rainfall in July:
2.32" - Average rainfall in August:
1.85" - Average rainfall in September:
1.97" - Average rainfall in October:
2.05" - Average rainfall in November:
0.98" - Average rainfall in December:
0.83"
The wettest months (with the highest rainfall) are May and June (2.6").
The driest months (with the least rainfall) are February and December (0.83").
Average rainfall days
Theresa, WI
- Average rainfall days in January:
3.1 days - Average rainfall days in February:
3.1 days - Average rainfall days in March:
8 days - Average rainfall days in April:
13.7 days - Average rainfall days in May:
15.6 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
16.2 days - Average rainfall days in August:
14 days - Average rainfall days in September:
12.4 days - Average rainfall days in October:
11.6 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
4.2 days
The month with the highest number of rainy days is July (16.2 days).
The months with the least rainy days are January and February (3.1 days).
Average snowfall
Theresa, WI
- Average snowfall in January:
3.35" - Average snowfall in February:
3.15" - Average snowfall in March:
1.46" - Average snowfall in April:
1.42" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is January (3.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Theresa, WI
- Average snowfall days in January:
13.4 days - Average snowfall days in February:
12 days - Average snowfall days in March:
7.2 days - Average snowfall days in April:
3.1 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:
1.1 days - Average snowfall days in November:
5.5 days - Average snowfall days in December:
12.1 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Theresa, WI
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 24min
- 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 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
3h and 0min - Average sunshine in February:
3h and 24min - Average sunshine in March:
5h and 30min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 24min - Average sunshine in June:
8h and 54min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
9h and 30min - Average sunshine in September:
8h and 12min - Average sunshine in October:
5h and 6min - Average sunshine in November:
4h and 36min - Average sunshine in December:
3h and 30min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days
Theresa, WI
- Average sunshine days in January:
14.9 days - Average sunshine days in February:
13.2 days - Average sunshine days in March:
16.6 days - Average sunshine days in April:
12.4 days - Average sunshine days in May:
13.3 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
11.7 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
15.9 days - Average sunshine days in October:
16.7 days - Average sunshine days in November:
16.5 days - Average sunshine days in December:
16 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is July (11.7 days).
Average UV index
Theresa, WI
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover
Theresa, WI
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility
Theresa, WI
The months with the highest visibility are March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, July, August, September and December (5mi).





