Climate and monthly weather forecastSiren, WI
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Siren, Wisconsin, with an average temperature varying between 18°F (-7.8°C) and 4.8°F (-15.1°C). Siren's January weather, with an average high temperature of 18°F (-7.8°C) and an average low temperature of 4.8°F (-15.1°C), tends to be the coldest of the year. Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Siren, Wisconsin, with an average temperature fluctuating between 21.9°F (-5.6°C) and 8.1°F (-13.3°C). Siren experiences an average high-temperature of a still subzero cold 21.9°F (-5.6°C) with the onset of February, subtly varied from January's 18°F (-7.8°C). Weather in February »Weather in March
March, the first month of the spring in Siren, is a cold month, with an average temperature varying between 36.9°F (2.7°C) and 22.8°F (-5.1°C). The start of March signals a considerable escalation in the average high-temperature, advancing from a freezing cold 21.9°F (-5.6°C) in February to a wintry 36.9°F (2.7°C). Weather in March »Weather in April
April in Siren, Wisconsin, is a fresh spring month, with an average temperature fluctuating between 50.4°F (10.2°C) and 34.3°F (1.3°C). Siren's April weather shows an increase in high-temperatures, moving from March's wintry 36.9°F (2.7°C) to a cool 50.4°F (10.2°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Siren, Wisconsin, with an average temperature fluctuating between 64.8°F (18.2°C) and 46°F (7.8°C). As May sets, the average high-temperature displays a significant increase, moving up from a cool 50.4°F (10.2°C) in April to an enjoyable 64.8°F (18.2°C). Weather in May »Weather in June
June, the first month of the summer in Siren, is a warm month, with an average temperature ranging between max 73.6°F (23.1°C) and min 55°F (12.8°C). June brings a slight rise in Siren's average high-temperature, moving from a refreshing 64.8°F (18.2°C) in May to a warm 73.6°F (23.1°C). Weather in June »Weather in July
July, like June, in Siren, Wisconsin, is a moderately hot summer month, with an average temperature fluctuating between 59.7°F (15.4°C) and 78.8°F (26°C). July, known for its average high temperature of 78.8°F (26°C) and an average low temperature of 59.7°F (15.4°C), is the warmest month. Weather in July »Weather in August
August, the last month of the summer in Siren, is another warm month, with an average temperature ranging between max 76.8°F (24.9°C) and min 57.7°F (14.3°C). At the onset of August, Siren records an average high-temperature of a still moderately hot 76.8°F (24.9°C), showing little deviation from the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Siren, is also an agreeable month, with an average temperature varying between 69.3°F (20.7°C) and 50.7°F (10.4°C). September is characterized by a slight reduction in average high-temperature, easing from a warm 76.8°F (24.9°C) in August to a pleasant 69.3°F (20.7°C). Weather in September »Weather in October
October, like September, in Siren, Wisconsin, is another fresh autumn month, with an average temperature ranging between min 39°F (3.9°C) and max 53.1°F (11.7°C). Siren sees a considerable decrease in average high-temperatures during October, falling from a pleasant 69.3°F (20.7°C) in September to a fresh 53.1°F (11.7°C). Weather in October »Weather in November
The last month of the autumn, November, is also a wintry month in Siren, Wisconsin, with an average temperature fluctuating between 38.1°F (3.4°C) and 26.1°F (-3.3°C). Siren's November weather is marked by a distinct drop in high-temperatures, declining from a cool 53.1°F (11.7°C) in October to a cold 38.1°F (3.4°C). Weather in November »Weather in December
The first month of the winter, December, is also a subzero cold month in Siren, Wisconsin, with an average temperature varying between 23.4°F (-4.8°C) and 13.1°F (-10.5°C). The shift from November to December sees a distinct decrease in the average high-temperature, dropping from an icy 38.1°F (3.4°C) to a subzero cold 23.4°F (-4.8°C). Weather in December »Updated: Aug 18, 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
Temperature readings reach their annual highs in January, averaging 18°F (-7.8°C) and a minimum average of 4.8°F (-15.1°C).
With an average relative humidity of 91%, January is the most humid month.
The month with the least rainfall is January, when the rain falls for 2.8 days and typically collects 0.55" (14mm) of precipitation.
Throughout the year, there are 124.6 rainfall days, and 21.65" (550mm) of precipitation is accumulated.
Months with snowfall are January through May, October through December.
Throughout the year, there are 70.6 snowfall days, and 23.9" (607mm) of snow is accumulated.
January has the least sunshine of the year, with an average of 2.8h of sunshine.
January, February, 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.
The months with the lowest humidity are April and May, with an average relative humidity of 74%.
The month with the most rainfall is June, when the rain falls for 16.7 days and typically aggregates up to 3.39" (86mm) of precipitation.
June through September are months without snowfall.
The month with the longest days is June, with an average of 15h and 42min of daylight.
The month of July sees the average highest temperatures in Siren, reaching 78.8°F (26°C) at the peak and 59.7°F (15.4°C) at the low.
The month with the most sunshine is July, with an average of 10h of sunshine.
July is the month with the highest UV index, with an average maximum UV index of 6.
December is the month with the most snowfall. Snow falls for 14.1 days and accumulates 5.75" (146mm) of snow.
The month with the shortest days is December, with an average of 8h and 42min of daylight.
Average temperature
Siren, WI
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (18°F).
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (4.8°F).
Average pressure
Siren, WI
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
29.97"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
Siren, WI
- Average wind speed in January:
8.4mph - Average wind speed in February:
8.6mph - Average wind speed in March:
8.6mph - Average wind speed in April:
9.3mph - Average wind speed in May:
8.2mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
6.7mph - Average wind speed in September:
7.8mph - Average wind speed in October:
8.6mph - Average wind speed in November:
8.6mph - Average wind speed in December:
8.3mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity
Siren, WI
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and May (74%).
Average rainfall
Siren, WI
- Average rainfall in January:
0.55" - Average rainfall in February:
0.79" - Average rainfall in March:
1.26" - Average rainfall in April:
2.17" - Average rainfall in May:
2.87" - Average rainfall in June:
3.39"
- Average rainfall in July:
2.6" - Average rainfall in August:
2.05" - Average rainfall in September:
1.73" - Average rainfall in October:
1.93" - Average rainfall in November:
1.06" - Average rainfall in December:
1.26"
The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days
Siren, WI
- Average rainfall days in January:
2.8 days - Average rainfall days in February:
3.2 days - Average rainfall days in March:
9.5 days - Average rainfall days in April:
13.1 days - Average rainfall days in May:
14.6 days - Average rainfall days in June:
16.7 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
13.9 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
12.3 days - Average rainfall days in November:
7 days - Average rainfall days in December:
4.1 days
The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is January (2.8 days).
Average snowfall
Siren, WI
- Average snowfall in January:
3.54" - Average snowfall in February:
4.37" - Average snowfall in March:
2.83" - Average snowfall in April:
2.83" - Average snowfall in May:
0.47" - Average snowfall in June:
0"
The month with the highest snowfall is December (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Siren, WI
- Average snowfall days in January:
15.8 days - Average snowfall days in February:
13.3 days - Average snowfall days in March:
9.6 days - Average snowfall days in April:
5.9 days - Average snowfall days in May:
0.8 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:
2.6 days - Average snowfall days in November:
8.5 days - Average snowfall days in December:
14.1 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Siren, WI
- Average daylight in January:
9h and 12min - Average daylight in February:
10h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 36min - Average daylight in May:
15h and 0min - Average daylight in June:
15h and 42min
- Average daylight in July:
15h and 18min - Average daylight in August:
14h and 6min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 30min - Average daylight in December:
8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January:
2h and 48min - Average sunshine in February:
3h and 6min - Average sunshine in March:
5h and 0min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 36min - Average sunshine in September:
8h and 30min - Average sunshine in October:
5h and 0min - Average sunshine in November:
4h and 30min - Average sunshine in December:
3h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days
Siren, WI
- Average sunshine days in January:
15.6 days - Average sunshine days in February:
14.7 days - Average sunshine days in March:
14.1 days - Average sunshine days in April:
11.1 days - Average sunshine days in May:
13.4 days - Average sunshine days in June:
10.1 days
- Average sunshine days in July:
13.7 days - Average sunshine days in August:
15.1 days - Average sunshine days in September:
16.1 days - Average sunshine days in October:
15.5 days - Average sunshine days in November:
16.5 days - Average sunshine days in December:
15.4 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is June (10.1 days).
Average UV index
Siren, WI
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover
Siren, WI
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility
Siren, WI
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
