Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May brings with it a considerable temperature increase, with average high-temperatures rising from April's frosty 48.2°F (9°C) to a comfortable 63.7°F (17.6°C). The average low-temperature during May nights is a frosty 46.6°F (8.1°C).Humidity
The average relative humidity in May is 64%.Rainfall
In May, the rain falls for 13.2 days. Throughout May, 2.17" (55mm) of precipitation is accumulated. In Lancaster, during the entire year, the rain falls for 100.4 days and collects up to 15.91" (404mm) 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, Lancaster aggregates 0.16" (4mm) of snow. Throughout the year, there are 72.7 snowfall days, and 19.57" (497mm) of snow is accumulated.Daylight
In Lancaster, the average length of the day in May is 15h and 18min.On the first day of the month, sunrise is at 6:05 am and sunset at 8:43 pm. On the last day of May, sunrise is at 5:28 am and sunset at 9:21 pm CDT.
Sunshine
In May, the average sunshine is 8.8h.UV index
In Lancaster, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 4 in May transforms into this advice:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Lancaster have in May?
When are sunrise and sunset in May?
How many hours of sunshine does Lancaster have in May?
How high is the UV index in May in Lancaster?
Average temperature in May
Lancaster, MN
- Average high temperature in May: 63.7°F
The warmest month (with the highest average high temperature) is August (79.3°F).
The month with the lowest average high temperature is January (13.6°F).
- Average low temperature in May: 46.6°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (-0.8°F).
Average pressure in May
Lancaster, MN
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Lancaster, MN
- Average wind speed in May: 9.6mph
The windiest month (with the highest average wind speed) is October (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).
Average humidity in May
Lancaster, MN
- Average humidity in May: 64%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (61%).
Average rainfall in May
Lancaster, MN
- Average rainfall in May: 2.17"
The wettest month (with the highest rainfall) is June (2.72").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in May
Lancaster, MN
- Average rainfall days in May: 13.2 days
The month with the highest number of rainy days is June (16.2 days).
The months with the least rainy days are February and December (1.9 days).
Average snowfall in May
Lancaster, MN
- Average snowfall in May: 0.16"
The month with the highest snowfall is December (4.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Lancaster, MN
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is December (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Lancaster, MN
- Average daylight in May: 15h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in May
Lancaster, MN
- Average sunshine days in May: 15 days
The month with the most sunshine days is August (19.1 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in May
Lancaster, MN
- Average UV index in May: 4
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
Lancaster, MN
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in May
Lancaster, 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).
Lancaster, Minnesota, USA
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