May weather forecast
Rochester, MN

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The cityscape of Rochester, Minnesota, with a beautiful city park surrounded by water
The cityscape of Rochester, Minnesota, with a beautiful city park surrounded by water

Weather in May

The month of May ushers in spring in its full glory. The most striking difference between April and May is in rainfall, with May recording a significant amount of rain, upwards of 2.01" (51mm). This heralds the start of Rochester's rainy season. Transitioning from May to June, one might notice that the days are notably longer with the city bathed in natural light for longer periods. The richness of greenery all across the city makes for stunning scenic vistas.

Temperature

May witnesses an increase in the average high-temperature, moving from a fresh 52.7°F (11.5°C) in April to an enjoyable 64.9°F (18.3°C). May's average low-temperature reading in Rochester settles at a chilly 48.7°F (9.3°C).

Humidity

In Rochester, Minnesota, the average relative humidity in May is 78%.

Rainfall

In Rochester, in May, during 14.7 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. Throughout the year, there are 109.7 rainfall days, and 16.57" (421mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.7 snowfall days, in May, Rochester aggregates 0.51" (13mm) of snow. In Rochester, during the entire year, snow falls for 55.2 days and aggregates up to 14.09" (358mm) of snow.

Daylight

In May, the average length of the day is 14h and 46min.
On the first day of the month, sunrise is at 6:00 am and sunset at 8:13 pm. On the last day of May, sunrise is at 5:30 am and sunset at 8:45 pm CDT.

Sunshine

In May, the average sunshine in Rochester, Minnesota, is 8.3h.

UV index

In May, the average daily maximum UV index in Rochester is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.

Frequently asked questions

What are the temperatures in Rochester in May?

The average high-temperature and low-temperature during May are 64.9°F (18.3°C) and 48.7°F (9.3°C) respectively.

What is the average humidity in May in Rochester?

In May, the average relative humidity in Rochester, Minnesota, is 78%.

How much does it rain in Rochester in May?

In Rochester, Minnesota, in May, during 14.7 rainfall days, 2.01" (51mm) of precipitation is typically accumulated.

What is the last month it snows in Rochester?

May is the last month it regularly snows. During 0.7 snowfall days, in May, Rochester aggregates 0.51" (13mm) of snow.

How many hours of daylight does Rochester have in May?

The average day length in May in Rochester is 14h and 46min.

When are sunrise and sunset in May in Rochester?

On the first day of May, sunrise is at 6:00 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 8:45 pm CDT.

How long on average sun shines in May in Rochester?

In Rochester, the average sunshine duration in May is 8.3h.

How high is the UV index in May in Rochester?

In May, the average daily maximum UV index in Rochester, Minnesota, is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's 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
Rochester, MN

Average temperature in May - Rochester, MN
  • Average high temperature in May: 64.9°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (20.7°F).

  • Average low temperature in May: 48.7°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (7.7°F).

Average pressure in May
Rochester, MN

Average pressure in May - Rochester, MN
  • Average pressure in May: 29.93"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in May
Rochester, MN

Average wind speed in May - Rochester, MN
  • Average wind speed in May: 9.1mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).

Average humidity in May
Rochester, MN

Average humidity in May - Rochester, MN
  • Average humidity in May: 78%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is October (74%).

Average rainfall in May
Rochester, MN

Average rainfall in May - Rochester, MN
  • Average rainfall in May: 2.01"

The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in May
Rochester, MN

Average rainfall days in May - Rochester, MN
  • Average rainfall days in May: 14.7 days

The month with the highest number of rainy days is June (15.3 days).
The month with the least rainy days is February (2.3 days).

Average snowfall in May
Rochester, MN

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

The month with the highest snowfall is February (4.09").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Rochester, MN

Average snowfall days in May - Rochester, MN
  • Average snowfall days in May: 0.7 days

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Rochester, 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: 9h and 0min).

  • Average sunshine in May: 8h and 2min

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 12min).

Average sunshine days in May
Rochester, MN

Average sunshine days in May - Rochester, MN
  • Average sunshine days in May: 13 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (11.2 days).

Average UV index in May
Rochester, MN

Average UV index in May - Rochester, 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).

Average cloud cover in May
Rochester, MN

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

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in May
Rochester, MN

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

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

Rochester, Minnesota, USA

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