May weather forecast
Caledonia, MN

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Weather in May

The last month of the spring, May, is a refreshing month in Caledonia, Minnesota, with an average temperature ranging between min 47.8°F (8.8°C) and max 65.8°F (18.8°C).

Temperature

Caledonia, Minnesota, in May experiences an increase in the average high-temperature, moving from April's cool 54°F (12.2°C) to a comfortable 65.8°F (18.8°C). An average nighttime temperature of 47.8°F (8.8°C) is recorded in Caledonia during May.

Humidity

The average relative humidity in May in Caledonia, Minnesota, is 81%.

Rainfall

In Caledonia, in May, it is raining for 17.3 days, with typically 3.54" (90mm) of accumulated precipitation. In Caledonia, during the entire year, the rain falls for 130.5 days and collects up to 26.5" (673mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Caledonia. May is the last month it regularly snows in Caledonia. During 0.3 snowfall days, in May, Caledonia aggregates 0.2" (5mm) of snow. Throughout the year, in Caledonia, there are 51.4 snowfall days, and 22.2" (564mm) of snow is accumulated.

Daylight

In Caledonia, Minnesota, the average length of the day in May is 14h and 44min.
On the first day of May in Caledonia, sunrise is at 5:57 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:40 pm CDT.

Sunshine

In May, the average sunshine is 8.4h.

UV index

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The average daily UV index of 5 in May transforms into the following instructions:
Act with care - The suggestion to avoid sunburn is emphasized. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the usual temperature for Caledonia in May?

The high-temperature in Caledonia, Minnesota, during May is 65.8°F (18.8°C) and the low-temperature is 47.8°F (8.8°C).

What is the average humidity in May in Caledonia?

In May, the average relative humidity in Caledonia is 81%.

How many days does it rain in May in Caledonia?

In Caledonia, Minnesota, during May, the rain falls for 17.3 days and regularly aggregates up to 3.54" (90mm) of precipitation.

What is the last month it snows in Caledonia?

May is the last month it regularly snows in Caledonia. During 0.3 snowfall days, in May, Caledonia aggregates 0.2" (5mm) of snow.

What is the average length of the day in May in Caledonia?

In Caledonia, the average day length in May is 14h and 44min.

What time are sunrise and sunset in May in Caledonia?

On the first day of May, sunrise is at 5:57 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:40 pm CDT.

How long on average sun shines in May in Caledonia?

In Caledonia, Minnesota, the average sunshine duration in May is 8.4h.

What is the UV index reading in May in Caledonia?

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Caledonia, MN

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

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (21.7°F).

  • Average low temperature in May: 47.8°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (8.8°F).

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Average pressure in May
Caledonia, MN

Average pressure in May - Caledonia, MN
  • Average pressure in May: 29.94"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in May
Caledonia, MN

Average wind speed in May - Caledonia, MN
  • Average wind speed in May: 8.2mph

The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

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Average humidity in May
Caledonia, MN

Average humidity in May - Caledonia, MN
  • Average humidity in May: 81%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (76%).

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Average rainfall in May
Caledonia, MN

Average rainfall in May - Caledonia, MN
  • Average rainfall in May: 3.54"

The wettest month (with the highest rainfall) is June (4.61").
The driest month (with the least rainfall) is January (0.87").

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Average rainfall days in May
Caledonia, MN

Average rainfall days in May - Caledonia, MN
  • Average rainfall days in May: 17.3 days

The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (3 days).

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Average snowfall in May
Caledonia, MN

Average snowfall in May - Caledonia, MN
  • Average snowfall in May: 0.2"

The month with the highest snowfall is February (5.71").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Caledonia, MN

Average snowfall days in May - Caledonia, MN
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Caledonia, MN

Average daylight in May / Average sunshine in May - Caledonia, MN
  • Average daylight in May: 14h and 4min

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 May: 8h and 2min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

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Average sunshine days in May
Caledonia, MN

Average sunshine days in May - Caledonia, MN
  • Average sunshine days in May: 11.2 days

The month with the most sunshine days is January (17.7 days).
The month with the least sunshine days is June (9.8 days).

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Average UV index in May
Caledonia, MN

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

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).

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Average cloud cover in May
Caledonia, MN

Average cloud cover in May - Caledonia, MN
  • Average cloud cover in May: 45

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in May
Caledonia, MN

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

The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, March, July, August, September and December (5mi).

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Caledonia, Minnesota, USA

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