Climate and monthly weather forecastOwatonna, MN
Climate and monthly weather forecast
The climate of Owatonna
Located in Minnesota, USA, Owatonna holds a Dfa classification under the Köppen climate framework. In simpler terms, the city experiences a humid continental climate, dominated by a hot summer and nary a dry season. Weather in Owatonna is characterized by appreciable seasonality, resulting in distinct oscillation in climatic variables throughout the year.Throughout the year, Owatonna experiences a temperature spectrum ranging from a frigid low of 7.5°F (-13.6°C) in winter to a basky high of 79°F (26.1°C) in summer. The locality exhibits marked variability in rainfall, accumulating from 0.75" (19mm) in the driest weeks to a possible high of 3.94" (100mm) at peak. The city is often under the veil of clouds with cloud coverage ranging from 32% in the sunny months to 68% in the cloudier timeframe.
Snowfall is a common occurrence in the winter months, reaching a peak of 6.5" (165mm) in February, while completely disappearing from May onwards. It is noteworthy to mention the striking swing in humidity, which starts at 73% in April, peaks at 91% in January and dips down to 72% by October. Interestingly, sunshine hours oscillate between 3 hours per day in the darker months to 10 hours in the sunnier period.
The best time to visit Owatonna
The most enjoyable time to visit Owatonna largely depends on individual preferences for temperature and precipitation. However, considering the climatic averages, the period between late May to early September promises the most agreeable conditions. During this time, daily temperatures reside between 71.2°F (21.8°C) and 79°F (26.1°C), accompanied by relative humidity figures oscillating between 74 and 82%, providing a balance of warmth and humidity. Sunshine hours peak at 10 hours per day, offering ample opportunity for outdoor activities. Rainfall, despite reaching its annual peak of 3.94" (100mm) in June, is comparatively lower in later summer months.The worst time to visit Owatonna
Visiting Owatonna during the cold winter months, specifically between December and February, could pose certain challenges. Average minimum temperatures can reach a biting low of 7.5°F (-13.6°C), with maximum temperatures barely exceeding 24.4°F (-4.2°C). Humidity during this period elevates to upwards of 88%, intensifying the chill. Snowfall becomes a frequent visitor, with February witnessing a high of 6.5" (165mm). The scarcity of sunshine, with an average of 3 hours per day, and the encroached visibility, dropping under 5 miles, might further hamper the outdoor experience.Spring weather in Owatonna
Spring in Owatonna makes its transient journey from March to May, encompassing a wide range of weather patterns. Temperatures during this season undergo a sharp rise, starting from 39.4°F (4.1°C) in March and reaching 65.8°F (18.8°C) by May. Correspondingly, the minimum temperatures also see a steady increase from 25.7°F (-3.5°C) to 49.6°F (9.8°C). Rainfall witnesses a sharp increase during this period, gathering from a relatively lower 1.38" (35mm) in March to a peak of 2.83" (72mm) by May.Summer weather in Owatonna
Summer descends on Owatonna during June and continues till the end of August. The season witnesses the highest average temperatures of the year, with highs oscillating between 71.2°F (21.8°C) and 79°F (26.1°C). Nighttime lows, in the meantime, hover between 59.4°F (15.2°C) and 62.4°F (16.9°C), offering a comforting coolness after the day's heat. Despite being the season with the most rainfall, reaching an annual peak of 3.94" (100mm) in June, the relative humidity stays rather moderate, oscillating between 80 and 82%.Autumn weather in Owatonna
Autumn ushers in a period of cooling from September to November. Daytime average temperatures moderate from a comfortable 71.2°F (21.8°C) in September to a cooler 40.8°F (4.9°C) in November. Correspondingly, nighttime lows descend from 52.7°F (11.5°C) to 28.6°F (-1.9°C). Rainfall, in this transitionary season, exhibits a downward trend, starting at 1.93" (49mm) in September and tapering off to 1.06" (27mm) by November. The duration of daylight follows a similar trend, markedly decreasing from 12.5 hours in early autumn to 9.6 hours by the end of November.Winter weather in Owatonna
Winters in Owatonna, spanning December through February, are characterized by a freezing climate. Minimum temperatures reach a chilly low of 7.5°F (-13.6°C), with maximums hardly edging past 24.4°F (-4.2°C). Snowfall enters the annual scene, adding up to a hefty 4.13" (105mm) in December, peaking at 6.5" (165mm) in February. Coupled with the short daylight hours of around 9 hours, winter in Owatonna exhibits the quintessential characteristics of the region's cold season.Weather in January
Given its northern location, Owatonna, Minnesota, experiences cold and snowy conditions in January. It's the coldest month of the year with temperatures dipping as low as 7.5°F (-13.6°C) and reaching only as high as 20.5°F (-6.4°C). Weather in January »Weather in February
Owatonna's weather in February continues to be cold, although there is a slight warming trend compared to January. Winters are prolonged in Minnesota, and freezing temperatures below 10.9°F (-11.7°C) with highs just reaching 24.4°F (-4.2°C) confirm this climatological fact. Weather in February »Weather in March
Owatonna begins thawing out in March, weather-wise, as winter starts giving way to spring. The city gets its first taste of spring with temperatures reaching up to 39.4°F (4.1°C) from their low at 25.7°F (-3.5°C). The rapid disappearance of snowflakes from the sky hints at the changing seasons, yet sporadic snowy days are not entirely ruled out. Weather in March »Weather in April
April ushers in considerably milder weather conditions in Owatonna with a continuing warming trend from March. Weather metamorphosis is more apparent in April as temperatures break free from the strictures of winter, reaching a warm 53.1°F (11.7°C) at the top end from a relatively comfortable 37.6°F (3.1°C). Weather in April »Weather in May
May brings true spring to Owatonna, setting the stage for the approaching summer. The warmth intensifies with the mercury rising to pleasing highs of 65.8°F (18.8°C) and distinct lows of 49.6°F (9.8°C). There's a perceptible rise in rainfall, indicative of typical spring showers required for the growth of lush greenery around the city. Weather in May »Weather in June
June in Owatonna marks the start of summer with the highest daylight hours of the year. Climatic conditions exhibit noticeable changes with temperature variations from 59.4°F (15.2°C) to a peak of 75.7°F (24.3°C). An important trait of June is the high cumulative rainfall, reaching the zenith of its annual cycle. Weather in June »Weather in July
Traditionally regarded as the height of summer, July in Owatonna presents the warmest conditions of the year. The temperature fluctuates between 62.4°F (16.9°C) and the peak of 79°F (26.1°C), making July the hottest month on the weather calendar. Weather in July »Weather in August
Deep into summer, August continues the warm trend set by July in Owatonna. Temperatures, however, slightly recede ranging from 59.4°F (15.2°C) to 77.2°F (25.1°C), offering a slight reprieve from the peak summer warmth. Despite it being another high-rainfall month, clear weather instances are more frequent. Weather in August »Weather in September
In Owatonna, September serves as a turning point heralding the advent of fall. The air begins to cool with temperatures moderating from a high of 71.2°F (21.8°C) down to a cooler average of 52.7°F (11.5°C). A decrease in the volume of rainfall marks the transition from summer to fall. Weather in September »Weather in October
October conveys the real essence of fall in Owatonna with deciduous trees flaunting their Fall colors. The temperatures continue their downward journey, ranging from 41.2°F (5.1°C) to a mild 55.6°F (13.1°C). The first snowflakes of the season might make their appearance as well, adding a hint of winter white to the colorful autumn palette. Weather in October »Weather in November
November in Owatonna expedites the journey towards winter with a stark reduction in temperature. Now, the weather thermometer swings between chilly 28.6°F (-1.9°C) and a slight warmer 40.8°F (4.9°C), contrasting insignificantly with December’s cold. Weather in November »Weather in December
In December, Owatonna officially enters winter, experiencing a full circle of seasons. The cold becomes intense with the minimum temperature plummeting to 15.3°F (-9.3°C) and max touching only 25.9°F (-3.4°C), mirroring the January low. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Owatonna, MN
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (20.5°F).
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).
Average pressure
Owatonna, MN
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.11"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
Owatonna, MN
- Average wind speed in January:
9.4mph - Average wind speed in February:
9.4mph - Average wind speed in March:
9.5mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.9mph - Average wind speed in June:
8.1mph
- Average wind speed in July:
7.3mph - Average wind speed in August:
7.3mph - Average wind speed in September:
8.4mph - Average wind speed in October:
9.5mph - Average wind speed in November:
9.7mph - Average wind speed in December:
8.9mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity
Owatonna, MN
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Owatonna, MN
- Average rainfall in January:
0.75" - Average rainfall in February:
1.06" - Average rainfall in March:
1.38" - Average rainfall in April:
2.44" - Average rainfall in May:
2.83" - Average rainfall in June:
3.94"
- Average rainfall in July:
2.95" - Average rainfall in August:
2.28" - Average rainfall in September:
1.93" - Average rainfall in October:
1.81" - Average rainfall in November:
1.06" - Average rainfall in December:
1.3"
The wettest month (with the highest rainfall) is June (3.94").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days
Owatonna, MN
- Average rainfall days in January:
2.4 days - Average rainfall days in February:
1.8 days - Average rainfall days in March:
9.3 days - Average rainfall days in April:
13.4 days - Average rainfall days in May:
16.2 days - Average rainfall days in June:
17.8 days
- Average rainfall days in July:
16.4 days - Average rainfall days in August:
14.6 days - Average rainfall days in September:
11 days - Average rainfall days in October:
10.2 days - Average rainfall days in November:
6.6 days - Average rainfall days in December:
4.2 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (1.8 days).
Average snowfall
Owatonna, MN
- Average snowfall in January:
4.13" - Average snowfall in February:
6.5" - Average snowfall in March:
3.39" - Average snowfall in April:
2.17" - Average snowfall in May:
0.51" - Average snowfall in June:
0"
The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Owatonna, MN
- Average snowfall days in January:
12.1 days - Average snowfall days in February:
12.1 days - Average snowfall days in March:
7.3 days - Average snowfall days in April:
4.3 days - Average snowfall days in May:
0.5 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:
1.6 days - Average snowfall days in November:
6.2 days - Average snowfall days in December:
12.7 days
The month with the highest number of snowfall days is December (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Owatonna, MN
- Average daylight in January:
9h and 18min - 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 48min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 6min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 36min - Average daylight in December:
8h and 54min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
3h - Average sunshine in February:
3h and 24min - Average sunshine in March:
5h and 24min - Average sunshine in April:
7h and 30min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
10h - Average sunshine in August:
9h and 36min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 24min - Average sunshine in November:
4h and 54min - Average sunshine in December:
3h and 42min
The month with the most sunshine is July (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 3h).
Average sunshine days
Owatonna, MN
- Average sunshine days in January:
18.1 days - Average sunshine days in February:
15.6 days - Average sunshine days in March:
17 days - Average sunshine days in April:
13.1 days - Average sunshine days in May:
12.5 days - Average sunshine days in June:
10.4 days
- Average sunshine days in July:
11 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
17 days - Average sunshine days in October:
18.1 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
16.5 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (10.4 days).
Average UV index
Owatonna, MN
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover
Owatonna, MN
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility
Owatonna, MN
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).





