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
With the transition into May, Saint Francis experiences a significant increase in average high-temperatures, moving up from an icy 41.4°F (5.2°C) in April to a refreshing 59.4°F (15.2°C). Saint Francis, in the month of May, anticipates a consistent average low-temperature of 39.6°F (4.2°C).Humidity
May is the least humid month, with an average relative humidity of 75%.Rainfall
In Saint Francis, in May, it is raining for 15.9 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, there are 142 rainfall days, and 30.35" (771mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.9 snowfall days, in May, Saint Francis aggregates 0.91" (23mm) of snow. In Saint Francis, during the entire year, snow falls for 106.5 days and aggregates up to 71.89" (1826mm) of snow.Daylight
The average length of the day in May is 15h and 6min.On the first day of May, sunrise is at 5:18 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 4:43 am and sunset at 8:23 pm EDT.
Sunshine
In May, the average sunshine is 7.7h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 4 during May leads to these instructions:
Put precautions into practice - Guidance to elude sunburn is provided. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the least humid month?
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 in Saint Francis?
When are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Saint Francis, ME
- Average high temperature in May: 59.4°F
The warmest month (with the highest average high temperature) is July (74.3°F).
The month with the lowest average high temperature is January (18°F).
- Average low temperature in May: 39.6°F
The month with the highest average low temperature is July (53.6°F).
The coldest month (with the lowest average low temperature) is January (2.8°F).
Average pressure in May
Saint Francis, ME
- Average pressure in May: 29.96"Hg
The months with the highest atmospheric pressure are March, September and November (30.01"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
Saint Francis, ME
- Average wind speed in May: 7.5mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in May
Saint Francis, ME
- Average humidity in May: 75%
The month with the highest relative humidity is March (94%).
The month with the lowest relative humidity is May (75%).
Average rainfall in May
Saint Francis, ME
- Average rainfall in May: 2.6"
The wettest month (with the highest rainfall) is October (2.91").
The driest month (with the least rainfall) is February (2.09").
Average rainfall days in May
Saint Francis, ME
- Average rainfall days in May: 15.9 days
The month with the highest number of rainy days is July (16.7 days).
The months with the least rainy days are January and February (4.8 days).
Average snowfall in May
Saint Francis, ME
- Average snowfall in May: 0.91"
The month with the highest snowfall is January (14.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Saint Francis, ME
- Average snowfall days in May: 0.9 days
The month with the highest number of snowfall days is February (20.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Saint Francis, ME
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in May: 7h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 2h and 12min).
Average sunshine days in May
Saint Francis, ME
- Average sunshine days in May: 13 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is March (8 days).
Average UV index in May
Saint Francis, ME
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in May
Saint Francis, ME
- Average cloud cover in May: 52
The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility in May
Saint Francis, ME
- Average visibility in May: 5mi
The months with the highest visibility are May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March, April and December (4mi).
Saint Francis, Maine, USA
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