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
The beginning of May signals a rise in the average high-temperature, moving from a frosty 48.7°F (9.3°C) in April to a comfortable 61.3°F (16.3°C). The month of May records an average low-temperature of 41.7°F (5.4°C).Humidity
With an average relative humidity of 77%, May is the least humid month.Rainfall
In Grand Lake Stream, in May, during 13.5 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. In Grand Lake Stream, during the entire year, the rain falls for 122.6 days and collects up to 14.53" (369mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Grand Lake Stream aggregates 0.2" (5mm) of snow. In Grand Lake Stream, during the entire year, snow falls for 60.6 days and aggregates up to 17.91" (455mm) of snow.Daylight
In Grand Lake Stream, the average length of the day in May is 14h and 53min.On the first day of the month, sunrise is at 5:18 am and sunset at 7:37 pm. On the last day of May, sunrise is at 4:46 am and sunset at 8:10 pm EDT.
Sunshine
In May, the average sunshine is 7.6h.UV index
In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 4 in May interprets into the following advice:
Make use of precautions - Suggestions to resist sunburn are communicated. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the least humid month?
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 Grand Lake Stream have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Grand Lake Stream have in May?
What is the UV index intensity in May?
Average temperature in May
Grand Lake Stream, ME
- Average high temperature in May: 61.3°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in May: 41.7°F
The month with the highest average low temperature is July (56.1°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in May
Grand Lake Stream, ME
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is September (30.03"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Grand Lake Stream, ME
- Average wind speed in May: 6.8mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in May
Grand Lake Stream, ME
- Average humidity in May: 77%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (77%).
Average rainfall in May
Grand Lake Stream, ME
- Average rainfall in May: 1.38"
The wettest month (with the highest rainfall) is November (1.61").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in May
Grand Lake Stream, ME
- Average rainfall days in May: 13.5 days
The month with the highest number of rainy days is April (14.2 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in May
Grand Lake Stream, ME
- Average snowfall in May: 0.2"
The month with the highest snowfall is February (3.7").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Grand Lake Stream, ME
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is March (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Grand Lake Stream, ME
- 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: 7h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in May
Grand Lake Stream, ME
- Average sunshine days in May: 14.4 days
The month with the most sunshine days is September (18.4 days).
The month with the least sunshine days is April (11.6 days).
Average UV index in May
Grand Lake Stream, ME
- 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 February, November and December (UV index 1).
Average cloud cover in May
Grand Lake Stream, ME
- Average cloud cover in May: 52
The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in May
Grand Lake Stream, ME
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Grand Lake Stream, Maine, USA
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