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 marks a distinct rise in the average high-temperature, ascending from April's frosty 46.6°F (8.1°C) to a refreshing 61.3°F (16.3°C). Perth in May anticipates an average nighttime temperature of 44.4°F (6.9°C).Humidity
In Perth, North Dakota, the average relative humidity in May is 63%.Rainfall
In May, the rain falls for 14.9 days. Throughout May, 2.2" (56mm) of precipitation is accumulated. In Perth, during the entire year, the rain falls for 110.9 days and collects up to 17.95" (456mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Perth. May is the last month it regularly snows in Perth. During 1.7 snowfall days, in May, Perth aggregates 0.47" (12mm) of snow. In Perth, during the entire year, snow falls for 86.8 days and aggregates up to 23.78" (604mm) of snow.Daylight
The average length of the day in May in Perth is 15h and 17min.On the first day of the month, sunrise is at 6:16 am and sunset at 8:53 pm. On the last day of May, sunrise is at 5:39 am and sunset at 9:31 pm CDT.
Sunshine
The average sunshine in May is 8.9h.UV index
The average daily maximum UV index in May in Perth, North Dakota, is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 4 in May transforms into this advice:
Adopt protective measures - Suggestions to resist sunburn are offered. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Perth?
What is the average humidity in May in Perth?
How much does it rain in Perth in May?
What is the last month it snows in Perth?
What is the average length of the day in May in Perth?
What time are sunrise and sunset in May in Perth?
How many hours of sunshine does Perth have in May?
What is the UV index reading in May in Perth?
Average temperature in May
Perth, ND
- Average high temperature in May: 61.3°F
The warmest month (with the highest average high temperature) is August (77.9°F).
The month with the lowest average high temperature is January (14.2°F).
- Average low temperature in May: 44.4°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (0.5°F).
Average pressure in May
Perth, ND
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Perth, ND
- Average wind speed in May: 10.3mph
The windiest month (with the highest average wind speed) is October (11mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in May
Perth, ND
- Average humidity in May: 63%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (60%).
Average rainfall in May
Perth, ND
- Average rainfall in May: 2.2"
The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days in May
Perth, ND
- Average rainfall days in May: 14.9 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (2 days).
Average snowfall in May
Perth, ND
- Average snowfall in May: 0.47"
The month with the highest snowfall is November (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Perth, ND
- Average snowfall days in May: 1.7 days
The month with the highest number of snowfall days is December (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Perth, ND
- 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 24min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in May
Perth, ND
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in May
Perth, ND
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in May
Perth, ND
- Average cloud cover in May: 41
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in May
Perth, ND
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Perth, North Dakota, USA
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