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 sea temperature 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 Westfield transitions into May, a rise in the average high-temperature is observed, moving from a chilly 48°F (8.9°C) in April to a moderate 58.6°F (14.8°C). Throughout May, the temperature falls to an average low of 48.2°F (9°C).Humidity
The average relative humidity in May is 82%.Rainfall
In Westfield, in May, during 18 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. Throughout the year, in Westfield, there are 176.3 rainfall days, and 34.65" (880mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Westfield aggregates 0.16" (4mm) of snow. Throughout the year, in Westfield, there are 66.8 snowfall days, and 22.72" (577mm) of snow is accumulated.Ocean temperature
In Westfield, in May, the average water temperature is 47.1°F (8.4°C).Note: It is advised against swimming in 47.1°F (8.4°C) when it drops below 50°F (10°C). Such temperatures can cause extreme cold shock, leading to hyperventilation.
Daylight
The average length of the day in May in Westfield, New York, is 14h and 37min.On the first day of the month, sunrise is at 6:12 am and sunset at 8:18 pm. On the last day of May, sunrise is at 5:44 am and sunset at 8:48 pm EDT.
Sunshine
In Westfield, the average sunshine in May is 9h.UV index
The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 4 in May leads to these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Remember! The Sun's UV radiation can be magnified almost twofold 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 in Westfield?
What is the average humidity in May in Westfield?
How much does it rain in Westfield in May?
What is the last month it snows in Westfield?
What is the water temperature in May in Westfield?
What is the average length of the day in May in Westfield?
What time are sunrise and sunset in May in Westfield?
How long on average sun shines in May in Westfield?
What is the UV index intensity in May in Westfield?
Average temperature in May
Westfield, NY
- Average high temperature in May: 58.6°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 (29.5°F).
- Average low temperature in May: 48.2°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in May
Westfield, 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
Westfield, NY
- Average wind speed in May: 9.2mph
The windiest month (with the highest average wind speed) is January (14.2mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in May
Westfield, NY
- Average humidity in May: 82%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are September, October and November (78%).
Average rainfall in May
Westfield, NY
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is October (3.39").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in May
Westfield, NY
- Average rainfall days in May: 18 days
The month with the highest number of rainy days is October (18.9 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in May
Westfield, NY
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (6.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Westfield, NY
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (16.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in May
Westfield, NY
- Average sea temperature in May: 47.1°F
The best month for swimming (with the highest average sea temperature) is August (75.1°F).
The coldest month (with the lowest average sea temperature) is February (33.2°F).
Average daylight in May /
Average sunshine in May
Westfield, NY
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 9h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in May
Westfield, NY
- Average sunshine days in May: 10.7 days
The month with the most sunshine days is September (13.2 days).
The month with the least sunshine days is January (5.3 days).
Average UV index in May
Westfield, NY
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Westfield, NY
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Westfield, NY
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Westfield, New York, USA
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