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
As Watertown transitions into May, the average high-temperature shows a change, moving from a fresh 52.9°F (11.6°C) in April to an enjoyable 66.2°F (19°C). May in Watertown generally records an average low-temperature of 49.1°F (9.5°C).Humidity
In May, the average relative humidity is 72%.Rainfall
In May, the rain falls for 15.6 days. Throughout May, 2.87" (73mm) of precipitation is accumulated. Throughout the year, in Watertown, there are 123.5 rainfall days, and 22.76" (578mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Watertown aggregates 0.08" (2mm) of snow. In Watertown, during the entire year, snow falls for 53.2 days and aggregates up to 20.83" (529mm) of snow.Daylight
In Watertown, the average length of the day in May is 14h and 52min.On the first day of May, sunrise is at 6:03 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:54 pm CDT.
Sunshine
In Watertown, the average sunshine in May is 8.6h.UV index
In Watertown, Minnesota, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 5 during May translates into the following directions:
Act with care - The need to guard against sun damage is communicated. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Watertown in May?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Watertown, MN
- Average high temperature in May: 66.2°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (20.1°F).
- Average low temperature in May: 49.1°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 (7.2°F).
Average pressure in May
Watertown, 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
Watertown, MN
- Average wind speed in May: 8.3mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in May
Watertown, MN
- Average humidity in May: 72%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (71%).
Average rainfall in May
Watertown, MN
- Average rainfall in May: 2.87"
The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in May
Watertown, MN
- Average rainfall days in May: 15.6 days
The month with the highest number of rainy days is June (17.5 days).
The month with the least rainy days is January (2.3 days).
Average snowfall in May
Watertown, MN
- Average snowfall in May: 0.08"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Watertown, MN
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Watertown, MN
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in May
Watertown, MN
- Average sunshine days in May: 14.3 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in May
Watertown, 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
Watertown, MN
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
Watertown, 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).
Watertown, Minnesota, USA
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