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 Hartford steps into May, the average high-temperature increases significantly from the a frosty 47.7°F (8.7°C) of April to a refreshing 62.6°F (17°C). Hartford experiences an average nighttime temperature of 41.9°F (5.5°C) in the month of May.Humidity
May and November, with an average relative humidity of 76%, are the least humid months.Rainfall
In Hartford, Maine, in May, it is raining for 15.4 days, with typically 2.17" (55mm) of accumulated precipitation. Throughout the year, there are 146.3 rainfall days, and 28.31" (719mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.4 snowfall days, in May, Hartford aggregates 0.31" (8mm) of snow. Throughout the year, there are 69.3 snowfall days, and 48.15" (1223mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 49min.On the first day of the month, sunrise is at 5:30 am and sunset at 7:45 pm. On the last day of May, in Hartford, sunrise is at 5:00 am and sunset at 8:18 pm EDT.
Sunshine
In Hartford, the average sunshine in May is 7.7h.UV index
In Hartford, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 4 during May, leads to the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. 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 is the average May temperature?
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?
How many hours of daylight does Hartford have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Hartford have in May?
How high is the UV index in May?
Average temperature in May
Hartford, ME
- Average high temperature in May: 62.6°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (23.7°F).
- Average low temperature in May: 41.9°F
The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is January (10°F).
Average pressure in May
Hartford, ME
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Hartford, ME
- Average wind speed in May: 5.8mph
The windiest month (with the highest average wind speed) is March (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in May
Hartford, ME
- Average humidity in May: 76%
The months with the highest relative humidity are January, February and March (86%).
The months with the lowest relative humidity are May and November (76%).
Average rainfall in May
Hartford, ME
- Average rainfall in May: 2.17"
The wettest month (with the highest rainfall) is October (3.31").
The driest month (with the least rainfall) is July (1.85").
Average rainfall days in May
Hartford, ME
- Average rainfall days in May: 15.4 days
The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in May
Hartford, ME
- Average snowfall in May: 0.31"
The month with the highest snowfall is February (12.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Hartford, ME
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is February (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Hartford, ME
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 7h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in May
Hartford, ME
- Average sunshine days in May: 13.6 days
The month with the most sunshine days is September (16.7 days).
The months with the least sunshine days are February and April (11.3 days).
Average UV index in May
Hartford, 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 and December (UV index 1).
Average cloud cover in May
Hartford, ME
- Average cloud cover in May: 52
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 40).
Average visibility in May
Hartford, ME
- Average visibility in May: 5mi
The months with the highest visibility are May, June, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, July, August and September (4mi).
Hartford, Maine, USA
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