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 arrival of May brings a change in Thiells's weather, with average high-temperatures moving from April's refreshing 58.5°F (14.7°C) to a pleasant 69.8°F (21°C). The nighttime temperature dips to a cool 50.5°F (10.3°C) on average during May.Humidity
The average relative humidity in May is 75%.Rainfall
In May, the rain falls for 16.8 days. Throughout May, 2.83" (72mm) of precipitation is accumulated. In Thiells, during the entire year, the rain falls for 152.8 days and collects up to 30.79" (782mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Thiells aggregates 0.2" (5mm) of snow. Throughout the year, there are 22.6 snowfall days, and 12.28" (312mm) of snow is accumulated.Daylight
In Thiells, the average length of the day in May is 14h and 31min.On the first day of May, sunrise is at 5:52 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 8:22 pm EDT.
Sunshine
The average sunshine in May is 8.5h.UV index
In May, the average daily maximum UV index in Thiells is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
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?
What time 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
Thiells, NY
- Average high temperature in May: 69.8°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (34.7°F).
- Average low temperature in May: 50.5°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in May
Thiells, NY
- Average pressure in May: 30.01"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
Thiells, NY
- Average wind speed in May: 5.9mph
The windiest months (with the highest average wind speed) are January and March (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in May
Thiells, NY
- Average humidity in May: 75%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall in May
Thiells, NY
- Average rainfall in May: 2.83"
The wettest month (with the highest rainfall) is July (3.23").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in May
Thiells, NY
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in May
Thiells, NY
- Average snowfall in May: 0.2"
The month with the highest snowfall is March (3.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Thiells, NY
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Thiells, NY
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Thiells, NY
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in May
Thiells, NY
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Thiells, NY
- Average cloud cover in May: 46
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Thiells, NY
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are February and May (5mi).
Thiells, New York, USA
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