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
Waltham in May experiences an increase in the average high-temperature, moving from April's fresh 53.1°F (11.7°C) to an enjoyable 65.8°F (18.8°C). Throughout May, the temperature falls to an average low of 49.6°F (9.8°C).Humidity
In May, the average relative humidity in Waltham is 74%.Rainfall
In Waltham, during May, the rain falls for 15.8 days and regularly aggregates up to 2.95" (75mm) of precipitation. In Waltham, during the entire year, the rain falls for 125.5 days and collects up to 23.66" (601mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Waltham. May is the last month it regularly snows. During 0.6 snowfall days, in May, Waltham aggregates 0.47" (12mm) of snow. In Waltham, during the entire year, snow falls for 58.6 days and aggregates up to 23.98" (609mm) 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 6:02 am and sunset at 8:14 pm. On the last day of May, in Waltham, Minnesota, sunrise is at 5:32 am and sunset at 8:46 pm CDT.
Sunshine
In Waltham, the average sunshine in May is 8.4h.UV index
In Waltham, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Take necessary precautions - Defending against sun damage is advocated. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Waltham?
What is the average humidity in May in Waltham?
How many days does it rain in May in Waltham?
What is the last month it snows in Waltham?
What is the average length of the day in May in Waltham?
When are sunrise and sunset in May in Waltham?
How many hours of sunshine does Waltham have in May?
What is the UV index reading in May in Waltham?
Average temperature in May
Waltham, MN
- Average high temperature in May: 65.8°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (20.7°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 (7.9°F).
Average pressure in May
Waltham, 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
Waltham, MN
- Average wind speed in May: 9.2mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in May
Waltham, 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
Waltham, MN
- Average rainfall in May: 2.95"
The wettest month (with the highest rainfall) is June (4.06").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in May
Waltham, MN
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in May
Waltham, MN
- Average snowfall in May: 0.47"
The month with the highest snowfall is February (6.26").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Waltham, MN
- Average snowfall days in May: 0.6 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
Waltham, 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 48min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in May
Waltham, MN
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in May
Waltham, 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
Waltham, MN
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Waltham, 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).
Waltham, Minnesota, USA
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