May weather forecast
Owatonna, MN

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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. An even further increase in daylight hours means that residents and visitors can enjoy an extended exposure to light and warmth. Ergo, May becomes an inviting month for all those eager to soak up the Minnesota sun.

Temperature

The arrival of May brings an increase in high-temperatures, moving from a fresh 53.1°F (11.7°C) in April to an enjoyable 65.8°F (18.8°C). During May, Owatonna consistently records a temperature low averaging a frosty 49.6°F (9.8°C).

Humidity

In Owatonna, the average relative humidity in May is 74%.

Rainfall

In Owatonna, in May, it is raining for 16.2 days, with typically 2.83" (72mm) of accumulated precipitation. In Owatonna, during the entire year, the rain falls for 123.9 days and collects up to 23.74" (603mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.5 snowfall days, in May, Owatonna aggregates 0.51" (13mm) of snow. Throughout the year, there are 56.8 snowfall days, and 24.06" (611mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 47min.
On the first day of the month, sunrise is at 6:02 am and sunset at 8:16 pm. On the last day of May, sunrise is at 5:32 am and sunset at 8:48 pm CDT.

Sunshine

In Owatonna, the average sunshine in May is 8.5h.

UV index

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In May, the maximum UV index of 5 translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.

Frequently asked questions

What is the average May temperature?

In May, the average high-temperature and low-temperature are 65.8°F (18.8°C) and 49.6°F (9.8°C) respectively.

What is the average humidity in May?

In Owatonna, the average relative humidity in May is 74%.

How many days does it rain in May in Owatonna?

In May, the rain falls for 16.2 days. Throughout May, 2.83" (72mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows in Owatonna, Minnesota. During 0.5 snowfall days, in May, Owatonna aggregates 0.51" (13mm) of snow.

What is the average length of the day in May?

In Owatonna, the average day length in May is 14h and 47min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 6:02 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:48 pm CDT.

How many hours of sunshine does Owatonna have in May?

The average sunshine duration in May is 8.5h.

What is the UV index intensity in May?

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Owatonna, MN

Average temperature in May - Owatonna, MN
  • Average high temperature in May: 65.8°F

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).

  • Average low temperature in May: 49.6°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 in May
Owatonna, MN

Average pressure in May - Owatonna, MN
  • Average pressure in May: 29.93"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 in May
Owatonna, MN

Average wind speed in May - Owatonna, MN
  • Average wind speed in May: 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 in May
Owatonna, MN

Average humidity in May - Owatonna, MN
  • Average humidity in May: 74%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is October (72%).

Average rainfall in May
Owatonna, MN

Average rainfall in May - Owatonna, MN
  • Average rainfall in May: 2.83"

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 in May
Owatonna, MN

Average rainfall days in May - Owatonna, MN
  • Average rainfall days in May: 16.2 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 in May
Owatonna, MN

Average snowfall in May - Owatonna, MN
  • Average snowfall in May: 0.51"

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 in May
Owatonna, MN

Average snowfall days in May - Owatonna, MN
  • Average snowfall days in May: 0.5 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 in May /
Average sunshine in May
Owatonna, MN

Average daylight in May / Average sunshine in May - Owatonna, MN
  • Average daylight in May: 14h and 5min

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 May: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in May
Owatonna, MN

Average sunshine days in May - Owatonna, MN
  • Average sunshine days in May: 12.5 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 in May
Owatonna, MN

Average UV index in May - Owatonna, MN
  • Average UV index in May: 5

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 in May
Owatonna, MN

Average cloud cover in May - Owatonna, MN
  • Average cloud cover in May: 43

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 in May
Owatonna, MN

Average visibility in May - Owatonna, MN
  • Average visibility in May: 6mi

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).

Owatonna, Minnesota, USA

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