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
Galena's May weather brings a rise in high-temperatures, moving from a fresh 51.8°F (11°C) in April to a comfortable 65.3°F (18.5°C). An average temperature of 45.3°F (7.4°C) is recorded in Galena during the nights in May.Humidity
April and May, with an average relative humidity of 79%, are the least humid months.Rainfall
May is the month with the most rainfall. Rain falls for 18.3 days and accumulates 3.27" (83mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.8 snowfall days, in May, Galena aggregates 0.28" (7mm) of snow. In Galena, during the entire year, snow falls for 90.9 days and aggregates up to 44.8" (1138mm) of snow.Daylight
The average length of the day in May is 14h and 38min.On the first day of the month, sunrise is at 5:55 am and sunset at 8:02 pm. On the last day of May, in Galena, New York, sunrise is at 5:27 am and sunset at 8:32 pm EDT.
Sunshine
In May, the average sunshine is 8.4h.UV index
In Galena, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 4 during May translates into the following guidance:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Stay sun-safe with clothing that is both closely woven and worn loosely. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the temperature in May in Galena?
What is the least humid month in Galena?
What is the average humidity in May in Galena?
What is the wettest month in Galena?
How much does it rain in Galena in May?
What is the last month it snows in Galena?
How many hours of daylight does Galena have in May?
What time are sunrise and sunset in May in Galena?
How long on average sun shines in May in Galena?
What is the UV index reading in May in Galena?
Average temperature in May
Galena, NY
- Average high temperature in May: 65.3°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in May: 45.3°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in May
Galena, NY
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Galena, NY
- Average wind speed in May: 7.7mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in May
Galena, NY
- Average humidity in May: 79%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall in May
Galena, NY
- Average rainfall in May: 3.27"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is September (2.28").
Average rainfall days in May
Galena, NY
- Average rainfall days in May: 18.3 days
The months with the highest number of rainy days are May and July (18.3 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in May
Galena, NY
- Average snowfall in May: 0.28"
The month with the highest snowfall is February (9.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Galena, NY
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (19.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Galena, NY
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in May
Galena, NY
- Average sunshine days in May: 10.3 days
The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is February (4.6 days).
Average UV index in May
Galena, NY
- 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, November and December (UV index 1).
Average cloud cover in May
Galena, NY
- Average cloud cover in May: 48
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 37).
Average visibility in May
Galena, NY
- Average visibility in May: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Galena, New York, USA
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